Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

167 files changed, 16648 insertions, 0 deletions

diff --git a/devtools/client/performance/test/.eslintrc.js b/devtools/client/performance/test/.eslintrc.js
new file mode 100644
index 0000000000..3d0bd99e1b
--- /dev/null
+++ b/devtools/client/performance/test/.eslintrc.js
@@ -0,0 +1,6 @@
+"use strict";
+
+module.exports = {
+  // Extend from the shared list of defined globals for mochitests.
+  extends: "../../../.eslintrc.mochitests.js",
+};
diff --git a/devtools/client/performance/test/browser.ini b/devtools/client/performance/test/browser.ini
new file mode 100644
index 0000000000..c85ae87ce9
--- /dev/null
+++ b/devtools/client/performance/test/browser.ini
@@ -0,0 +1,148 @@
+[DEFAULT]
+tags = devtools
+subsuite = devtools
+skip-if = os == 'linux' && e10s && (asan || debug) # Bug 1254821
+support-files =
+  doc_allocs.html
+  doc_innerHTML.html
+  doc_markers.html
+  doc_simple-test.html
+  doc_worker.html
+  js_simpleWorker.js
+  head.js
+  !/devtools/client/shared/test/telemetry-test-helpers.js
+
+[browser_aaa-run-first-leaktest.js]
+[browser_perf-button-states.js]
+[browser_perf-calltree-js-categories.js]
+skip-if = (os == 'win' && os_version == '10.0' && bits == 64 && !asan) # Bug 1466377
+[browser_perf-calltree-js-columns.js]
+[browser_perf-calltree-js-events.js]
+fail-if = a11y_checks # bug 1687790 call-tree-item is not accessible
+[browser_perf-calltree-memory-columns.js]
+[browser_perf-console-record-01.js]
+[browser_perf-console-record-02.js]
+[browser_perf-console-record-03.js]
+[browser_perf-console-record-04.js]
+[browser_perf-console-record-05.js]
+[browser_perf-console-record-06.js]
+[browser_perf-console-record-07.js]
+[browser_perf-console-record-08.js]
+[browser_perf-console-record-09.js]
+[browser_perf-details-01-toggle.js]
+[browser_perf-details-02-utility-fun.js]
+[browser_perf-details-03-without-allocations.js]
+[browser_perf-details-04-toolbar-buttons.js]
+[browser_perf-details-05-preserve-view.js]
+[browser_perf-details-06-rerender-on-selection.js]
+[browser_perf-details-07-bleed-events.js]
+[browser_perf-details-render-00-waterfall.js]
+[browser_perf-details-render-01-js-calltree.js]
+[browser_perf-details-render-02-js-flamegraph.js]
+[browser_perf-details-render-03-memory-calltree.js]
+[browser_perf-details-render-04-memory-flamegraph.js]
+[browser_perf-docload.js]
+[browser_perf-fission-switch-target.js]
+[browser_perf-highlighted.js]
+[browser_perf-loading-01.js]
+[browser_perf-loading-02.js]
+[browser_perf-marker-details.js]
+disabled=TODO bug 1256350
+[browser_perf-options-01-toggle-throw.js]
+[browser_perf-options-02-toggle-throw-alt.js]
+[browser_perf-options-03-toggle-meta.js]
+[browser_perf-options-enable-framerate-01.js]
+[browser_perf-options-enable-framerate-02.js]
+[browser_perf-options-enable-memory-01.js]
+[browser_perf-options-enable-memory-02.js]
+[browser_perf-options-flatten-tree-recursion-01.js]
+[browser_perf-options-flatten-tree-recursion-02.js]
+[browser_perf-options-invert-call-tree-01.js]
+[browser_perf-options-invert-call-tree-02.js]
+[browser_perf-options-invert-flame-graph-01.js]
+[browser_perf-options-invert-flame-graph-02.js]
+[browser_perf-options-propagate-allocations.js]
+[browser_perf-options-propagate-profiler.js]
+[browser_perf-options-show-idle-blocks-01.js]
+[browser_perf-options-show-idle-blocks-02.js]
+[browser_perf-options-show-jit-optimizations.js]
+disabled=TODO bug 1256350
+[browser_perf-options-show-platform-data-01.js]
+[browser_perf-options-show-platform-data-02.js]
+[browser_perf-overview-render-01.js]
+[browser_perf-overview-render-02.js]
+[browser_perf-overview-render-03.js]
+[browser_perf-overview-render-04.js]
+[browser_perf-overview-selection-01.js]
+[browser_perf-overview-selection-02.js]
+[browser_perf-overview-selection-03.js]
+[browser_perf-overview-time-interval.js]
+[browser_perf-private-browsing.js]
+disabled=TODO bug 1256350
+[browser_perf-range-changed-render.js]
+[browser_perf-recording-notices-01.js]
+[browser_perf-recording-notices-02.js]
+[browser_perf-recording-notices-03.js]
+skip-if = (debug && (bits == 32))  # debug 32 bit: bug 1273374
+[browser_perf-recording-notices-04.js]
+[browser_perf-recording-notices-05.js]
+[browser_perf-recording-selected-01.js]
+[browser_perf-recording-selected-02.js]
+[browser_perf-recording-selected-03.js]
+[browser_perf-recording-selected-04.js]
+[browser_perf-recordings-clear-01.js]
+[browser_perf-recordings-clear-02.js]
+[browser_perf-recordings-io-01.js]
+disabled=TODO bug 1256350
+[browser_perf-recordings-io-02.js]
+disabled=TODO bug 1256350
+[browser_perf-recordings-io-03.js]
+disabled=TODO bug 1256350
+[browser_perf-recordings-io-04.js]
+disabled=TODO bug 1256350
+[browser_perf-recordings-io-05.js]
+disabled=TODO bug 1256350
+[browser_perf-recordings-io-06.js]
+disabled=TODO bug 1256350
+[browser_perf-refresh.js]
+[browser_perf-states.js]
+[browser_perf-telemetry-01.js]
+[browser_perf-telemetry-02.js]
+[browser_perf-telemetry-03.js]
+[browser_perf-telemetry-04.js]
+[browser_perf-theme-toggle.js]
+disabled=TODO bug 1256350
+[browser_perf-tree-abstract-01.js]
+skip-if = (verify && debug && (os == 'win' || os == 'mac'))
+[browser_perf-tree-abstract-02.js]
+skip-if = (verify && debug && (os == 'win' || os == 'mac'))
+[browser_perf-tree-abstract-03.js]
+skip-if = (verify && debug && (os == 'win' || os == 'mac'))
+[browser_perf-tree-abstract-04.js]
+skip-if = (verify && debug && (os == 'win' || os == 'mac'))
+[browser_perf-tree-abstract-05.js]
+[browser_perf-tree-view-01.js]
+[browser_perf-tree-view-02.js]
+[browser_perf-tree-view-03.js]
+[browser_perf-tree-view-04.js]
+[browser_perf-tree-view-05.js]
+[browser_perf-tree-view-06.js]
+[browser_perf-tree-view-07.js]
+[browser_perf-tree-view-08.js]
+[browser_perf-tree-view-09.js]
+[browser_perf-tree-view-10.js]
+[browser_perf-tree-view-11.js]
+disabled=TODO bug 1256350
+[browser_perf-ui-recording.js]
+[browser_timeline-filters-01.js]
+disabled=TODO bug 1256350
+[browser_timeline-filters-02.js]
+disabled=TODO bug 1256350
+[browser_timeline-waterfall-background.js]
+[browser_timeline-waterfall-generic.js]
+[browser_timeline-waterfall-rerender.js]
+disabled=TODO bug 1256350
+[browser_timeline-waterfall-sidebar.js]
+disabled=TODO bug 1256350
+[browser_timeline-waterfall-workers.js]
+disabled=TODO bug 1256350
diff --git a/devtools/client/performance/test/browser_aaa-run-first-leaktest.js b/devtools/client/performance/test/browser_aaa-run-first-leaktest.js
new file mode 100644
index 0000000000..b7d5735c72
--- /dev/null
+++ b/devtools/client/performance/test/browser_aaa-run-first-leaktest.js
@@ -0,0 +1,27 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if the performance tool leaks on initialization and sudden destruction.
+ * You can also use this initialization format as a template for other tests.
+ */
+
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+
+add_task(async function() {
+  const { target, toolbox, panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  ok(target, "Should have a target available.");
+  ok(toolbox, "Should have a toolbox available.");
+  ok(panel, "Should have a panel available.");
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-button-states.js b/devtools/client/performance/test/browser_perf-button-states.js
new file mode 100644
index 0000000000..aeb74b3915
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-button-states.js
@@ -0,0 +1,105 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the recording button states are set as expected.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const {
+    $,
+    $$,
+    EVENTS,
+    PerformanceController,
+    PerformanceView,
+  } = panel.panelWin;
+
+  const recordButton = $("#main-record-button");
+
+  checkRecordButtonsStates(false, false);
+
+  const uiStartClick = once(PerformanceView, EVENTS.UI_START_RECORDING);
+  const recordingStarted = once(
+    PerformanceController,
+    EVENTS.RECORDING_STATE_CHANGE,
+    {
+      expectedArgs: ["recording-started"],
+    }
+  );
+  const backendStartReady = once(
+    PerformanceController,
+    EVENTS.BACKEND_READY_AFTER_RECORDING_START
+  );
+  const uiStateRecording = once(PerformanceView, EVENTS.UI_STATE_CHANGED, {
+    expectedArgs: ["recording"],
+  });
+
+  await click(recordButton);
+  await uiStartClick;
+
+  checkRecordButtonsStates(true, true);
+
+  await recordingStarted;
+
+  checkRecordButtonsStates(true, false);
+
+  await backendStartReady;
+  await uiStateRecording;
+
+  const uiStopClick = once(PerformanceView, EVENTS.UI_STOP_RECORDING);
+  const recordingStopped = once(
+    PerformanceController,
+    EVENTS.RECORDING_STATE_CHANGE,
+    {
+      expectedArgs: ["recording-stopped"],
+    }
+  );
+  const backendStopReady = once(
+    PerformanceController,
+    EVENTS.BACKEND_READY_AFTER_RECORDING_STOP
+  );
+  const uiStateRecorded = once(PerformanceView, EVENTS.UI_STATE_CHANGED, {
+    expectedArgs: ["recorded"],
+  });
+
+  await click(recordButton);
+  await uiStopClick;
+  await recordingStopped;
+
+  checkRecordButtonsStates(false, false);
+
+  await backendStopReady;
+  await uiStateRecorded;
+
+  await teardownToolboxAndRemoveTab(panel);
+
+  function checkRecordButtonsStates(checked, locked) {
+    for (const button of $$(".record-button")) {
+      is(
+        button.classList.contains("checked"),
+        checked,
+        "The record button checked state should be " + checked
+      );
+      is(
+        button.disabled,
+        locked,
+        "The record button locked state should be " + locked
+      );
+    }
+  }
+});
diff --git a/devtools/client/performance/test/browser_perf-calltree-js-categories.js b/devtools/client/performance/test/browser_perf-calltree-js-categories.js
new file mode 100644
index 0000000000..cdcdbaf920
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-calltree-js-categories.js
@@ -0,0 +1,82 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the categories are shown in the js call tree when
+ * platform data is enabled.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  UI_SHOW_PLATFORM_DATA_PREF,
+} = require("devtools/client/performance/test/helpers/prefs");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  busyWait,
+} = require("devtools/client/performance/test/helpers/wait-utils");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { EVENTS, $, $$, DetailsView, JsCallTreeView } = panel.panelWin;
+
+  // Enable platform data to show the categories in the tree.
+  Services.prefs.setBoolPref(UI_SHOW_PLATFORM_DATA_PREF, true);
+
+  await startRecording(panel);
+  // To show the `Gecko` category in the tree.
+  await busyWait(100);
+  await stopRecording(panel);
+
+  const rendered = once(JsCallTreeView, EVENTS.UI_JS_CALL_TREE_RENDERED);
+  await DetailsView.selectView("js-calltree");
+  await rendered;
+
+  is(
+    $(".call-tree-cells-container").hasAttribute("categories-hidden"),
+    false,
+    "The call tree cells container should show the categories now."
+  );
+  ok(
+    geckoCategoryPresent($$),
+    "A category node with the text `Gecko` is displayed in the tree."
+  );
+
+  // Disable platform data to hide the categories.
+  Services.prefs.setBoolPref(UI_SHOW_PLATFORM_DATA_PREF, false);
+
+  is(
+    $(".call-tree-cells-container").getAttribute("categories-hidden"),
+    "",
+    "The call tree cells container should hide the categories now."
+  );
+  ok(
+    !geckoCategoryPresent($$),
+    "A category node with the text `Gecko` doesn't exist in the tree anymore."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
+
+function geckoCategoryPresent($$) {
+  for (const elem of $$(".call-tree-category")) {
+    if (elem.textContent.trim() == "Gecko") {
+      return true;
+    }
+  }
+  return false;
+}
diff --git a/devtools/client/performance/test/browser_perf-calltree-js-columns.js b/devtools/client/performance/test/browser_perf-calltree-js-columns.js
new file mode 100644
index 0000000000..8fd330c36b
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-calltree-js-columns.js
@@ -0,0 +1,87 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the js call tree view renders the correct columns.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  UI_SHOW_PLATFORM_DATA_PREF,
+} = require("devtools/client/performance/test/helpers/prefs");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  busyWait,
+} = require("devtools/client/performance/test/helpers/wait-utils");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { EVENTS, $, $$, DetailsView, JsCallTreeView } = panel.panelWin;
+
+  // Enable platform data to show the platform functions in the tree.
+  Services.prefs.setBoolPref(UI_SHOW_PLATFORM_DATA_PREF, true);
+
+  await startRecording(panel);
+  // To show the `busyWait` function in the tree.
+  await busyWait(100);
+  await stopRecording(panel);
+
+  const rendered = once(JsCallTreeView, EVENTS.UI_JS_CALL_TREE_RENDERED);
+  await DetailsView.selectView("js-calltree");
+  await rendered;
+
+  ok(
+    DetailsView.isViewSelected(JsCallTreeView),
+    "The call tree is now selected."
+  );
+
+  testCells($, $$, {
+    duration: true,
+    percentage: true,
+    allocations: false,
+    "self-duration": true,
+    "self-percentage": true,
+    "self-allocations": false,
+    samples: true,
+    function: true,
+  });
+
+  await teardownToolboxAndRemoveTab(panel);
+});
+
+function testCells($, $$, visibleCells) {
+  for (const cell in visibleCells) {
+    if (visibleCells[cell]) {
+      ok(
+        $(`.call-tree-cell[type=${cell}]`),
+        `At least one ${cell} column was visible in the tree.`
+      );
+    } else {
+      ok(
+        !$(`.call-tree-cell[type=${cell}]`),
+        `No ${cell} columns were visible in the tree.`
+      );
+    }
+  }
+
+  is(
+    $$(".call-tree-cell", $(".call-tree-item")).length,
+    Object.keys(visibleCells).filter(e => visibleCells[e]).length,
+    "The correct number of cells were found in the tree."
+  );
+}
diff --git a/devtools/client/performance/test/browser_perf-calltree-js-events.js b/devtools/client/performance/test/browser_perf-calltree-js-events.js
new file mode 100644
index 0000000000..b9651bba49
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-calltree-js-events.js
@@ -0,0 +1,79 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the call tree up/down events work for js calltrees.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  synthesizeProfile,
+} = require("devtools/client/performance/test/helpers/synth-utils");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+const {
+  ThreadNode,
+} = require("devtools/client/performance/modules/logic/tree-model");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const {
+    EVENTS,
+    $,
+    DetailsView,
+    OverviewView,
+    JsCallTreeView,
+  } = panel.panelWin;
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  const rendered = once(JsCallTreeView, EVENTS.UI_JS_CALL_TREE_RENDERED);
+  await DetailsView.selectView("js-calltree");
+  await rendered;
+
+  // Mock the profile used so we can get a deterministic tree created.
+  const profile = synthesizeProfile();
+  const threadNode = new ThreadNode(
+    profile.threads[0],
+    OverviewView.getTimeInterval()
+  );
+  JsCallTreeView._populateCallTree(threadNode);
+  JsCallTreeView.emit(EVENTS.UI_JS_CALL_TREE_RENDERED);
+
+  const firstTreeItem = $("#js-calltree-view .call-tree-item");
+
+  // DE-XUL: There are focus issues with XUL. Focus first, then synthesize the clicks
+  // so that keyboard events work correctly.
+  firstTreeItem.focus();
+
+  let count = 0;
+  const onFocus = () => count++;
+  JsCallTreeView.on("focus", onFocus);
+
+  await click(firstTreeItem);
+
+  key("VK_DOWN");
+  key("VK_DOWN");
+  key("VK_DOWN");
+  key("VK_DOWN");
+
+  JsCallTreeView.off("focus", onFocus);
+  is(count, 4, "Several focus events are fired for the calltree.");
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-calltree-memory-columns.js b/devtools/client/performance/test/browser_perf-calltree-memory-columns.js
new file mode 100644
index 0000000000..5abcf857a3
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-calltree-memory-columns.js
@@ -0,0 +1,91 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the memory call tree view renders the correct columns.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  UI_ENABLE_ALLOCATIONS_PREF,
+} = require("devtools/client/performance/test/helpers/prefs");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { EVENTS, $, $$, DetailsView, MemoryCallTreeView } = panel.panelWin;
+
+  // Enable allocations to test.
+  Services.prefs.setBoolPref(UI_ENABLE_ALLOCATIONS_PREF, true);
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  const rendered = once(
+    MemoryCallTreeView,
+    EVENTS.UI_MEMORY_CALL_TREE_RENDERED
+  );
+  await DetailsView.selectView("memory-calltree");
+  await rendered;
+
+  ok(
+    DetailsView.isViewSelected(MemoryCallTreeView),
+    "The call tree is now selected."
+  );
+
+  testCells($, $$, {
+    duration: false,
+    percentage: false,
+    count: true,
+    "count-percentage": true,
+    size: true,
+    "size-percentage": true,
+    "self-duration": false,
+    "self-percentage": false,
+    "self-count": true,
+    "self-count-percentage": true,
+    "self-size": true,
+    "self-size-percentage": true,
+    samples: false,
+    function: true,
+  });
+
+  await teardownToolboxAndRemoveTab(panel);
+});
+
+function testCells($, $$, visibleCells) {
+  for (const cell in visibleCells) {
+    if (visibleCells[cell]) {
+      ok(
+        $(`.call-tree-cell[type=${cell}]`),
+        `At least one ${cell} column was visible in the tree.`
+      );
+    } else {
+      ok(
+        !$(`.call-tree-cell[type=${cell}]`),
+        `No ${cell} columns were visible in the tree.`
+      );
+    }
+  }
+
+  is(
+    $$(".call-tree-cell", $(".call-tree-item")).length,
+    Object.keys(visibleCells).filter(e => visibleCells[e]).length,
+    "The correct number of cells were found in the tree."
+  );
+}
diff --git a/devtools/client/performance/test/browser_perf-console-record-01.js b/devtools/client/performance/test/browser_perf-console-record-01.js
new file mode 100644
index 0000000000..4a3c12630d
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-console-record-01.js
@@ -0,0 +1,57 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if the profiler is populated by console recordings that have finished
+ * before it was opened.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInTab,
+  initConsoleInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  waitUntil,
+} = require("devtools/client/performance/test/helpers/wait-utils");
+const {
+  getSelectedRecording,
+} = require("devtools/client/performance/test/helpers/recording-utils");
+
+add_task(async function() {
+  const { target, console } = await initConsoleInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  await console.profile("rust");
+  await console.profileEnd("rust");
+
+  const { panel } = await initPerformanceInTab({ tab: target.localTab });
+  const { PerformanceController, WaterfallView } = panel.panelWin;
+
+  await waitUntil(() => PerformanceController.getRecordings().length == 1);
+  await waitUntil(() => WaterfallView.wasRenderedAtLeastOnce);
+
+  const recordings = PerformanceController.getRecordings();
+  is(recordings.length, 1, "One recording found in the performance panel.");
+  is(recordings[0].isConsole(), true, "Recording came from console.profile.");
+  is(recordings[0].getLabel(), "rust", "Correct label in the recording model.");
+
+  const selected = getSelectedRecording(panel);
+
+  is(
+    selected,
+    recordings[0],
+    "The profile from console should be selected as it's the only one."
+  );
+  is(
+    selected.getLabel(),
+    "rust",
+    "The profile label for the first recording is correct."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-console-record-02.js b/devtools/client/performance/test/browser_perf-console-record-02.js
new file mode 100644
index 0000000000..4e6f590bef
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-console-record-02.js
@@ -0,0 +1,104 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if the profiler is populated by in-progress console recordings
+ * when it is opened.
+ */
+
+const { Constants } = require("devtools/client/performance/modules/constants");
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInTab,
+  initConsoleInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  waitForRecordingStoppedEvents,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  waitUntil,
+} = require("devtools/client/performance/test/helpers/wait-utils");
+const {
+  times,
+} = require("devtools/client/performance/test/helpers/event-utils");
+const {
+  getSelectedRecording,
+} = require("devtools/client/performance/test/helpers/recording-utils");
+
+add_task(async function() {
+  const { target, console } = await initConsoleInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  await console.profile("rust");
+  await console.profile("rust2");
+
+  const { panel } = await initPerformanceInTab({ tab: target.localTab });
+  const { EVENTS, PerformanceController, OverviewView } = panel.panelWin;
+
+  await waitUntil(() => PerformanceController.getRecordings().length == 2);
+
+  const recordings = PerformanceController.getRecordings();
+  is(recordings.length, 2, "Two recordings found in the performance panel.");
+  is(
+    recordings[0].isConsole(),
+    true,
+    "Recording came from console.profile (1)."
+  );
+  is(
+    recordings[0].getLabel(),
+    "rust",
+    "Correct label in the recording model (1)."
+  );
+  is(recordings[0].isRecording(), true, "Recording is still recording (1).");
+  is(
+    recordings[1].isConsole(),
+    true,
+    "Recording came from console.profile (2)."
+  );
+  is(
+    recordings[1].getLabel(),
+    "rust2",
+    "Correct label in the recording model (2)."
+  );
+  is(recordings[1].isRecording(), true, "Recording is still recording (2).");
+
+  const selected = getSelectedRecording(panel);
+  is(
+    selected,
+    recordings[0],
+    "The first console recording should be selected."
+  );
+  is(
+    selected.getLabel(),
+    "rust",
+    "The profile label for the first recording is correct."
+  );
+
+  // Ensure overview is still rendering.
+  await times(OverviewView, EVENTS.UI_OVERVIEW_RENDERED, 3, {
+    expectedArgs: [Constants.FRAMERATE_GRAPH_LOW_RES_INTERVAL],
+  });
+
+  let stopped = waitForRecordingStoppedEvents(panel, {
+    // only emitted for manual recordings
+    skipWaitingForBackendReady: true,
+  });
+  await console.profileEnd("rust");
+  await stopped;
+
+  stopped = waitForRecordingStoppedEvents(panel, {
+    // only emitted for manual recordings
+    skipWaitingForBackendReady: true,
+    // only emitted when a finished recording is selected
+    skipWaitingForOverview: true,
+    skipWaitingForSubview: true,
+  });
+  await console.profileEnd("rust2");
+  await stopped;
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-console-record-03.js b/devtools/client/performance/test/browser_perf-console-record-03.js
new file mode 100644
index 0000000000..287de27f5b
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-console-record-03.js
@@ -0,0 +1,90 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if the profiler is populated by in-progress console recordings, and
+ * also console recordings that have finished before it was opened.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInTab,
+  initConsoleInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  waitForRecordingStoppedEvents,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  waitUntil,
+} = require("devtools/client/performance/test/helpers/wait-utils");
+const {
+  getSelectedRecording,
+} = require("devtools/client/performance/test/helpers/recording-utils");
+
+add_task(async function() {
+  const { target, console } = await initConsoleInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  await console.profile("rust");
+  await console.profileEnd("rust");
+  await console.profile("rust2");
+
+  const { panel } = await initPerformanceInTab({ tab: target.localTab });
+  const { PerformanceController, WaterfallView } = panel.panelWin;
+
+  await waitUntil(() => PerformanceController.getRecordings().length == 2);
+  await waitUntil(() => WaterfallView.wasRenderedAtLeastOnce);
+
+  const recordings = PerformanceController.getRecordings();
+  is(recordings.length, 2, "Two recordings found in the performance panel.");
+  is(
+    recordings[0].isConsole(),
+    true,
+    "Recording came from console.profile (1)."
+  );
+  is(
+    recordings[0].getLabel(),
+    "rust",
+    "Correct label in the recording model (1)."
+  );
+  is(recordings[0].isRecording(), false, "Recording is still recording (1).");
+  is(
+    recordings[1].isConsole(),
+    true,
+    "Recording came from console.profile (2)."
+  );
+  is(
+    recordings[1].getLabel(),
+    "rust2",
+    "Correct label in the recording model (2)."
+  );
+  is(recordings[1].isRecording(), true, "Recording is still recording (2).");
+
+  const selected = getSelectedRecording(panel);
+  is(
+    selected,
+    recordings[0],
+    "The first console recording should be selected."
+  );
+  is(
+    selected.getLabel(),
+    "rust",
+    "The profile label for the first recording is correct."
+  );
+
+  const stopped = waitForRecordingStoppedEvents(panel, {
+    // only emitted for manual recordings
+    skipWaitingForBackendReady: true,
+    // only emitted when a finished recording is selected
+    skipWaitingForOverview: true,
+    skipWaitingForSubview: true,
+  });
+  await console.profileEnd("rust2");
+  await stopped;
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-console-record-04.js b/devtools/client/performance/test/browser_perf-console-record-04.js
new file mode 100644
index 0000000000..48c78d5273
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-console-record-04.js
@@ -0,0 +1,75 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the profiler can handle creation and stopping of console profiles
+ * after being opened.
+ */
+
+const { Constants } = require("devtools/client/performance/modules/constants");
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInTab,
+  initConsoleInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  waitForRecordingStartedEvents,
+  waitForRecordingStoppedEvents,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  times,
+} = require("devtools/client/performance/test/helpers/event-utils");
+const {
+  getSelectedRecording,
+} = require("devtools/client/performance/test/helpers/recording-utils");
+
+add_task(async function() {
+  const { target, console } = await initConsoleInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { panel } = await initPerformanceInTab({ tab: target.localTab });
+  const { EVENTS, PerformanceController, OverviewView } = panel.panelWin;
+
+  const started = waitForRecordingStartedEvents(panel, {
+    // only emitted for manual recordings
+    skipWaitingForBackendReady: true,
+  });
+  await console.profile("rust");
+  await started;
+
+  const recordings = PerformanceController.getRecordings();
+  is(recordings.length, 1, "One recording found in the performance panel.");
+  is(recordings[0].isConsole(), true, "Recording came from console.profile.");
+  is(recordings[0].getLabel(), "rust", "Correct label in the recording model.");
+  is(recordings[0].isRecording(), true, "Recording is still recording.");
+
+  const selected = getSelectedRecording(panel);
+  is(
+    selected,
+    recordings[0],
+    "The profile from console should be selected as it's the only one."
+  );
+  is(
+    selected.getLabel(),
+    "rust",
+    "The profile label for the first recording is correct."
+  );
+
+  // Ensure overview is still rendering.
+  await times(OverviewView, EVENTS.UI_OVERVIEW_RENDERED, 3, {
+    expectedArgs: [Constants.FRAMERATE_GRAPH_LOW_RES_INTERVAL],
+  });
+
+  const stopped = waitForRecordingStoppedEvents(panel, {
+    // only emitted for manual recordings
+    skipWaitingForBackendReady: true,
+  });
+  await console.profileEnd("rust");
+  await stopped;
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-console-record-05.js b/devtools/client/performance/test/browser_perf-console-record-05.js
new file mode 100644
index 0000000000..41cfdf63d8
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-console-record-05.js
@@ -0,0 +1,131 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that multiple recordings with the same label (non-overlapping) appear
+ * in the recording list.
+ */
+
+const { Constants } = require("devtools/client/performance/modules/constants");
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInTab,
+  initConsoleInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  waitForRecordingStartedEvents,
+  waitForRecordingStoppedEvents,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  times,
+} = require("devtools/client/performance/test/helpers/event-utils");
+const {
+  getSelectedRecording,
+} = require("devtools/client/performance/test/helpers/recording-utils");
+
+add_task(async function() {
+  const { target, console } = await initConsoleInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { panel } = await initPerformanceInTab({ tab: target.localTab });
+  const { EVENTS, PerformanceController, OverviewView } = panel.panelWin;
+
+  let started = waitForRecordingStartedEvents(panel, {
+    // only emitted for manual recordings
+    skipWaitingForBackendReady: true,
+  });
+  await console.profile("rust");
+  await started;
+
+  let recordings = PerformanceController.getRecordings();
+  is(recordings.length, 1, "One recording found in the performance panel.");
+  is(
+    recordings[0].isConsole(),
+    true,
+    "Recording came from console.profile (1)."
+  );
+  is(
+    recordings[0].getLabel(),
+    "rust",
+    "Correct label in the recording model (1)."
+  );
+  is(recordings[0].isRecording(), true, "Recording is still recording (1).");
+
+  let selected = getSelectedRecording(panel);
+  is(
+    selected,
+    recordings[0],
+    "The profile from console should be selected as it's the only one."
+  );
+  is(
+    selected.getLabel(),
+    "rust",
+    "The profile label for the first recording is correct."
+  );
+
+  // Ensure overview is still rendering.
+  await times(OverviewView, EVENTS.UI_OVERVIEW_RENDERED, 3, {
+    expectedArgs: [Constants.FRAMERATE_GRAPH_LOW_RES_INTERVAL],
+  });
+
+  let stopped = waitForRecordingStoppedEvents(panel, {
+    // only emitted for manual recordings
+    skipWaitingForBackendReady: true,
+  });
+  await console.profileEnd("rust");
+  await stopped;
+
+  started = waitForRecordingStartedEvents(panel, {
+    // only emitted for manual recordings
+    skipWaitingForBackendReady: true,
+    // only emitted when an in-progress recording is selected
+    skipWaitingForOverview: true,
+    // the view state won't switch to "console-recording" unless the new
+    // in-progress recording is selected, which won't happen
+    skipWaitingForViewState: true,
+  });
+  await console.profile("rust");
+  await started;
+
+  recordings = PerformanceController.getRecordings();
+  is(recordings.length, 2, "Two recordings found in the performance panel.");
+  is(
+    recordings[1].isConsole(),
+    true,
+    "Recording came from console.profile (2)."
+  );
+  is(
+    recordings[1].getLabel(),
+    "rust",
+    "Correct label in the recording model (2)."
+  );
+  is(recordings[1].isRecording(), true, "Recording is still recording (2).");
+
+  selected = getSelectedRecording(panel);
+  is(
+    selected,
+    recordings[0],
+    "The profile from console should still be selected"
+  );
+  is(
+    selected.getLabel(),
+    "rust",
+    "The profile label for the first recording is correct."
+  );
+
+  stopped = waitForRecordingStoppedEvents(panel, {
+    // only emitted for manual recordings
+    skipWaitingForBackendReady: true,
+    // only emitted when a finished recording is selected
+    skipWaitingForOverview: true,
+    skipWaitingForSubview: true,
+  });
+  await console.profileEnd("rust");
+  await stopped;
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-console-record-06.js b/devtools/client/performance/test/browser_perf-console-record-06.js
new file mode 100644
index 0000000000..f2bc8ea458
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-console-record-06.js
@@ -0,0 +1,125 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that console recordings can overlap (not completely nested).
+ */
+
+const { Constants } = require("devtools/client/performance/modules/constants");
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInTab,
+  initConsoleInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  waitForRecordingStartedEvents,
+  waitForRecordingStoppedEvents,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  times,
+} = require("devtools/client/performance/test/helpers/event-utils");
+const {
+  getSelectedRecording,
+} = require("devtools/client/performance/test/helpers/recording-utils");
+
+add_task(async function() {
+  const { target, console } = await initConsoleInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { panel } = await initPerformanceInTab({ tab: target.localTab });
+  const { EVENTS, PerformanceController, OverviewView } = panel.panelWin;
+
+  let started = waitForRecordingStartedEvents(panel, {
+    // only emitted for manual recordings
+    skipWaitingForBackendReady: true,
+  });
+  await console.profile("rust");
+  await started;
+
+  let recordings = PerformanceController.getRecordings();
+  is(recordings.length, 1, "A recording found in the performance panel.");
+  is(
+    getSelectedRecording(panel),
+    recordings[0],
+    "The first console recording should be selected."
+  );
+
+  // Ensure overview is still rendering.
+  await times(OverviewView, EVENTS.UI_OVERVIEW_RENDERED, 3, {
+    expectedArgs: [Constants.FRAMERATE_GRAPH_LOW_RES_INTERVAL],
+  });
+
+  started = waitForRecordingStartedEvents(panel, {
+    // only emitted for manual recordings
+    skipWaitingForBackendReady: true,
+    // only emitted when an in-progress recording is selected
+    skipWaitingForOverview: true,
+    // the view state won't switch to "console-recording" unless the new
+    // in-progress recording is selected, which won't happen
+    skipWaitingForViewState: true,
+  });
+  await console.profile("golang");
+  await started;
+
+  recordings = PerformanceController.getRecordings();
+  is(recordings.length, 2, "Two recordings found in the performance panel.");
+  is(
+    getSelectedRecording(panel),
+    recordings[0],
+    "The first console recording should still be selected."
+  );
+
+  // Ensure overview is still rendering.
+  await times(OverviewView, EVENTS.UI_OVERVIEW_RENDERED, 3, {
+    expectedArgs: [Constants.FRAMERATE_GRAPH_LOW_RES_INTERVAL],
+  });
+
+  let stopped = waitForRecordingStoppedEvents(panel, {
+    // only emitted for manual recordings
+    skipWaitingForBackendReady: true,
+  });
+  await console.profileEnd("rust");
+  await stopped;
+
+  recordings = PerformanceController.getRecordings();
+  is(recordings.length, 2, "Two recordings found in the performance panel.");
+  is(
+    getSelectedRecording(panel),
+    recordings[0],
+    "The first console recording should still be selected."
+  );
+  is(
+    recordings[0].isRecording(),
+    false,
+    "The first console recording should no longer be recording."
+  );
+
+  stopped = waitForRecordingStoppedEvents(panel, {
+    // only emitted for manual recordings
+    skipWaitingForBackendReady: true,
+    // only emitted when a finished recording is selected
+    skipWaitingForOverview: true,
+    skipWaitingForSubview: true,
+  });
+  await console.profileEnd("golang");
+  await stopped;
+
+  recordings = PerformanceController.getRecordings();
+  is(recordings.length, 2, "Two recordings found in the performance panel.");
+  is(
+    getSelectedRecording(panel),
+    recordings[0],
+    "The first console recording should still be selected."
+  );
+  is(
+    recordings[1].isRecording(),
+    false,
+    "The second console recording should no longer be recording."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-console-record-07.js b/devtools/client/performance/test/browser_perf-console-record-07.js
new file mode 100644
index 0000000000..16fc0de781
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-console-record-07.js
@@ -0,0 +1,247 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that a call to console.profileEnd() with no label ends the
+ * most recent console recording, and console.profileEnd() with a label that
+ * does not match any pending recordings does nothing.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInTab,
+  initConsoleInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  waitForRecordingStartedEvents,
+  waitForRecordingStoppedEvents,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  idleWait,
+} = require("devtools/client/performance/test/helpers/wait-utils");
+const {
+  getSelectedRecording,
+} = require("devtools/client/performance/test/helpers/recording-utils");
+
+add_task(async function() {
+  const { target, console } = await initConsoleInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { panel } = await initPerformanceInTab({ tab: target.localTab });
+  const { PerformanceController } = panel.panelWin;
+
+  let started = waitForRecordingStartedEvents(panel, {
+    // only emitted for manual recordings
+    skipWaitingForBackendReady: true,
+  });
+  await console.profile();
+  await started;
+
+  started = waitForRecordingStartedEvents(panel, {
+    // only emitted for manual recordings
+    skipWaitingForBackendReady: true,
+    // only emitted when an in-progress recording is selected
+    skipWaitingForOverview: true,
+    // the view state won't switch to "console-recording" unless the new
+    // in-progress recording is selected, which won't happen
+    skipWaitingForViewState: true,
+  });
+  await console.profile("1");
+  await started;
+
+  started = waitForRecordingStartedEvents(panel, {
+    // only emitted for manual recordings
+    skipWaitingForBackendReady: true,
+    // only emitted when an in-progress recording is selected
+    skipWaitingForOverview: true,
+    // the view state won't switch to "console-recording" unless the new
+    // in-progress recording is selected, which won't happen
+    skipWaitingForViewState: true,
+  });
+  await console.profile("2");
+  await started;
+
+  let recordings = PerformanceController.getRecordings();
+  let selected = getSelectedRecording(panel);
+  is(recordings.length, 3, "Three recordings found in the performance panel.");
+  is(recordings[0].getLabel(), "", "Checking label of recording 1");
+  is(recordings[1].getLabel(), "1", "Checking label of recording 2");
+  is(recordings[2].getLabel(), "2", "Checking label of recording 3");
+  is(
+    selected,
+    recordings[0],
+    "The first console recording should be selected."
+  );
+
+  is(
+    recordings[0].isRecording(),
+    true,
+    "All recordings should now be started. (1)"
+  );
+  is(
+    recordings[1].isRecording(),
+    true,
+    "All recordings should now be started. (2)"
+  );
+  is(
+    recordings[2].isRecording(),
+    true,
+    "All recordings should now be started. (3)"
+  );
+
+  let stopped = waitForRecordingStoppedEvents(panel, {
+    // only emitted for manual recordings
+    skipWaitingForBackendReady: true,
+    // only emitted when a finished recording is selected
+    skipWaitingForOverview: true,
+    skipWaitingForSubview: true,
+    // the view state won't switch to "recorded" unless the new
+    // finished recording is selected, which won't happen
+    skipWaitingForViewState: true,
+  });
+  await console.profileEnd();
+  await stopped;
+
+  selected = getSelectedRecording(panel);
+  recordings = PerformanceController.getRecordings();
+  is(recordings.length, 3, "Three recordings found in the performance panel.");
+  is(
+    selected,
+    recordings[0],
+    "The first console recording should still be selected."
+  );
+
+  is(
+    recordings[0].isRecording(),
+    true,
+    "The not most recent recording should not stop " +
+      "when calling console.profileEnd with no args."
+  );
+  is(
+    recordings[1].isRecording(),
+    true,
+    "The not most recent recording should not stop " +
+      "when calling console.profileEnd with no args."
+  );
+  is(
+    recordings[2].isRecording(),
+    false,
+    "Only the most recent recording should stop " +
+      "when calling console.profileEnd with no args."
+  );
+
+  info("Trying to `profileEnd` a non-existent console recording.");
+  console.profileEnd("fxos");
+  await idleWait(1000);
+
+  selected = getSelectedRecording(panel);
+  recordings = PerformanceController.getRecordings();
+  is(recordings.length, 3, "Three recordings found in the performance panel.");
+  is(
+    selected,
+    recordings[0],
+    "The first console recording should still be selected."
+  );
+
+  is(
+    recordings[0].isRecording(),
+    true,
+    "The first recording should not be ended yet."
+  );
+  is(
+    recordings[1].isRecording(),
+    true,
+    "The second recording should not be ended yet."
+  );
+  is(
+    recordings[2].isRecording(),
+    false,
+    "The third recording should still be ended."
+  );
+
+  stopped = waitForRecordingStoppedEvents(panel, {
+    // only emitted for manual recordings
+    skipWaitingForBackendReady: true,
+    // only emitted when a finished recording is selected
+    skipWaitingForOverview: true,
+    skipWaitingForSubview: true,
+    // the view state won't switch to "recorded" unless the new
+    // finished recording is selected, which won't happen
+    skipWaitingForViewState: true,
+  });
+  await console.profileEnd();
+  await stopped;
+
+  selected = getSelectedRecording(panel);
+  recordings = PerformanceController.getRecordings();
+  is(recordings.length, 3, "Three recordings found in the performance panel.");
+  is(
+    selected,
+    recordings[0],
+    "The first console recording should still be selected."
+  );
+
+  is(
+    recordings[0].isRecording(),
+    true,
+    "The first recording should not be ended yet."
+  );
+  is(
+    recordings[1].isRecording(),
+    false,
+    "The second recording should not be ended yet."
+  );
+  is(
+    recordings[2].isRecording(),
+    false,
+    "The third recording should still be ended."
+  );
+
+  stopped = waitForRecordingStoppedEvents(panel, {
+    // only emitted for manual recordings
+    skipWaitingForBackendReady: true,
+  });
+  await console.profileEnd();
+  await stopped;
+
+  selected = getSelectedRecording(panel);
+  recordings = PerformanceController.getRecordings();
+  is(recordings.length, 3, "Three recordings found in the performance panel.");
+  is(
+    selected,
+    recordings[0],
+    "The first console recording should be selected."
+  );
+
+  is(
+    recordings[0].isRecording(),
+    false,
+    "All recordings should now be ended. (1)"
+  );
+  is(
+    recordings[1].isRecording(),
+    false,
+    "All recordings should now be ended. (2)"
+  );
+  is(
+    recordings[2].isRecording(),
+    false,
+    "All recordings should now be ended. (3)"
+  );
+
+  info("Trying to `profileEnd` with no pending recordings.");
+  console.profileEnd();
+  await idleWait(1000);
+
+  ok(
+    true,
+    "Calling console.profileEnd() with no argument and no pending recordings " +
+      "does not throw."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-console-record-08.js b/devtools/client/performance/test/browser_perf-console-record-08.js
new file mode 100644
index 0000000000..9ac2f731f9
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-console-record-08.js
@@ -0,0 +1,311 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if the profiler can correctly handle simultaneous console and manual
+ * recordings (via `console.profile` and clicking the record button).
+ */
+
+const { Constants } = require("devtools/client/performance/modules/constants");
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInTab,
+  initConsoleInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  waitForRecordingStartedEvents,
+  waitForRecordingStoppedEvents,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  once,
+  times,
+} = require("devtools/client/performance/test/helpers/event-utils");
+const {
+  setSelectedRecording,
+} = require("devtools/client/performance/test/helpers/recording-utils");
+
+/**
+ * The following are bit flag constants that are used to represent the state of a
+ * recording.
+ */
+
+// Represents a manually recorded profile, if a user hit the record button.
+const MANUAL = 0;
+// Represents a recorded profile from console.profile().
+const CONSOLE = 1;
+// Represents a profile that is currently recording.
+const RECORDING = 2;
+// Represents a profile that is currently selected.
+const SELECTED = 4;
+
+/**
+ * Utility function to provide a meaningful inteface for testing that the bits
+ * match for the recording state.
+ * @param {integer} expected - The expected bit values packed in an integer.
+ * @param {integer} actual - The actual bit values packed in an integer.
+ */
+function hasBitFlag(expected, actual) {
+  return !!(expected & actual);
+}
+
+add_task(async function() {
+  // This test seems to take a very long time to finish on Linux VMs.
+  requestLongerTimeout(4);
+
+  const { target, console } = await initConsoleInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { panel } = await initPerformanceInTab({ tab: target.localTab });
+  const { EVENTS, PerformanceController, OverviewView } = panel.panelWin;
+
+  info("Recording 1 - Starting console.profile()...");
+  let started = waitForRecordingStartedEvents(panel, {
+    // only emitted for manual recordings
+    skipWaitingForBackendReady: true,
+  });
+  await console.profile("rust");
+  await started;
+  testRecordings(PerformanceController, [CONSOLE + SELECTED + RECORDING]);
+
+  info("Recording 2 - Starting manual recording...");
+  await startRecording(panel);
+  testRecordings(PerformanceController, [
+    CONSOLE + RECORDING,
+    MANUAL + RECORDING + SELECTED,
+  ]);
+
+  info('Recording 3 - Starting console.profile("3")...');
+  started = waitForRecordingStartedEvents(panel, {
+    // only emitted for manual recordings
+    skipWaitingForBackendReady: true,
+    // only emitted when an in-progress recording is selected
+    skipWaitingForOverview: true,
+    // the view state won't switch to "console-recording" unless the new
+    // in-progress recording is selected, which won't happen
+    skipWaitingForViewState: true,
+  });
+  await console.profile("3");
+  await started;
+  testRecordings(PerformanceController, [
+    CONSOLE + RECORDING,
+    MANUAL + RECORDING + SELECTED,
+    CONSOLE + RECORDING,
+  ]);
+
+  info('Recording 4 - Starting console.profile("4")...');
+  started = waitForRecordingStartedEvents(panel, {
+    // only emitted for manual recordings
+    skipWaitingForBackendReady: true,
+    // only emitted when an in-progress  recording is selected
+    skipWaitingForOverview: true,
+    // the view state won't switch to "console-recording" unless the new
+    // in-progress recording is selected, which won't happen
+    skipWaitingForViewState: true,
+  });
+  await console.profile("4");
+  await started;
+  testRecordings(PerformanceController, [
+    CONSOLE + RECORDING,
+    MANUAL + RECORDING + SELECTED,
+    CONSOLE + RECORDING,
+    CONSOLE + RECORDING,
+  ]);
+
+  info("Recording 4 - Ending console.profileEnd()...");
+  let stopped = waitForRecordingStoppedEvents(panel, {
+    // only emitted for manual recordings
+    skipWaitingForBackendReady: true,
+    // only emitted when a finished recording is selected
+    skipWaitingForOverview: true,
+    skipWaitingForSubview: true,
+    // the view state won't switch to "recorded" unless the new
+    // finished recording is selected, which won't happen
+    skipWaitingForViewState: true,
+  });
+  await console.profileEnd();
+  await stopped;
+  testRecordings(PerformanceController, [
+    CONSOLE + RECORDING,
+    MANUAL + RECORDING + SELECTED,
+    CONSOLE + RECORDING,
+    CONSOLE,
+  ]);
+
+  info("Recording 4 - Select last recording...");
+  let recordingSelected = once(
+    PerformanceController,
+    EVENTS.RECORDING_SELECTED
+  );
+  setSelectedRecording(panel, 3);
+  await recordingSelected;
+  testRecordings(PerformanceController, [
+    CONSOLE + RECORDING,
+    MANUAL + RECORDING,
+    CONSOLE + RECORDING,
+    CONSOLE + SELECTED,
+  ]);
+  ok(
+    !OverviewView.isRendering(),
+    "Stop rendering overview when a completed recording is selected."
+  );
+
+  info("Recording 2 - Stop manual recording.");
+
+  await stopRecording(panel);
+  testRecordings(PerformanceController, [
+    CONSOLE + RECORDING,
+    MANUAL + SELECTED,
+    CONSOLE + RECORDING,
+    CONSOLE,
+  ]);
+  ok(
+    !OverviewView.isRendering(),
+    "Stop rendering overview when a completed recording is selected."
+  );
+
+  info("Recording 1 - Select first recording.");
+  recordingSelected = once(PerformanceController, EVENTS.RECORDING_SELECTED);
+  setSelectedRecording(panel, 0);
+  await recordingSelected;
+  testRecordings(PerformanceController, [
+    CONSOLE + RECORDING + SELECTED,
+    MANUAL,
+    CONSOLE + RECORDING,
+    CONSOLE,
+  ]);
+  ok(
+    OverviewView.isRendering(),
+    "Should be rendering overview a recording in progress is selected."
+  );
+
+  // Ensure overview is still rendering.
+  await times(OverviewView, EVENTS.UI_OVERVIEW_RENDERED, 3, {
+    expectedArgs: [Constants.FRAMERATE_GRAPH_LOW_RES_INTERVAL],
+  });
+
+  info("Ending console.profileEnd()...");
+  stopped = waitForRecordingStoppedEvents(panel, {
+    // only emitted for manual recordings
+    skipWaitingForBackendReady: true,
+    // only emitted when a finished recording is selected
+    skipWaitingForOverview: true,
+    skipWaitingForSubview: true,
+    // the view state won't switch to "recorded" unless the new
+    // finished recording is selected, which won't happen
+    skipWaitingForViewState: true,
+  });
+  await console.profileEnd();
+  await stopped;
+  testRecordings(PerformanceController, [
+    CONSOLE + RECORDING + SELECTED,
+    MANUAL,
+    CONSOLE,
+    CONSOLE,
+  ]);
+  ok(
+    OverviewView.isRendering(),
+    "Should be rendering overview a recording in progress is selected."
+  );
+
+  // Ensure overview is still rendering.
+  await times(OverviewView, EVENTS.UI_OVERVIEW_RENDERED, 3, {
+    expectedArgs: [Constants.FRAMERATE_GRAPH_LOW_RES_INTERVAL],
+  });
+
+  info("Recording 5 - Start one more manual recording.");
+  await startRecording(panel);
+  testRecordings(PerformanceController, [
+    CONSOLE + RECORDING,
+    MANUAL,
+    CONSOLE,
+    CONSOLE,
+    MANUAL + RECORDING + SELECTED,
+  ]);
+  ok(
+    OverviewView.isRendering(),
+    "Should be rendering overview a recording in progress is selected."
+  );
+
+  // Ensure overview is still rendering.
+  await times(OverviewView, EVENTS.UI_OVERVIEW_RENDERED, 3, {
+    expectedArgs: [Constants.FRAMERATE_GRAPH_LOW_RES_INTERVAL],
+  });
+
+  info("Recording 5 - Stop manual recording.");
+  await stopRecording(panel);
+  testRecordings(PerformanceController, [
+    CONSOLE + RECORDING,
+    MANUAL,
+    CONSOLE,
+    CONSOLE,
+    MANUAL + SELECTED,
+  ]);
+  ok(
+    !OverviewView.isRendering(),
+    "Stop rendering overview when a completed recording is selected."
+  );
+
+  info("Recording 1 - Ending console.profileEnd()...");
+  stopped = waitForRecordingStoppedEvents(panel, {
+    // only emitted for manual recordings
+    skipWaitingForBackendReady: true,
+    // only emitted when a finished recording is selected
+    skipWaitingForOverview: true,
+    skipWaitingForSubview: true,
+    // the view state won't switch to "recorded" unless the new
+    // in-progress recording is selected, which won't happen
+    skipWaitingForViewState: true,
+  });
+  await console.profileEnd();
+  await stopped;
+  testRecordings(PerformanceController, [
+    CONSOLE,
+    MANUAL,
+    CONSOLE,
+    CONSOLE,
+    MANUAL + SELECTED,
+  ]);
+  ok(
+    !OverviewView.isRendering(),
+    "Stop rendering overview when a completed recording is selected."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
+
+function testRecordings(controller, expectedBitFlags) {
+  const recordings = controller.getRecordings();
+  const current = controller.getCurrentRecording();
+  is(
+    recordings.length,
+    expectedBitFlags.length,
+    "Expected number of recordings."
+  );
+
+  recordings.forEach((recording, i) => {
+    const expected = expectedBitFlags[i];
+    is(
+      recording.isConsole(),
+      hasBitFlag(expected, CONSOLE),
+      `Recording ${i + 1} has expected console state.`
+    );
+    is(
+      recording.isRecording(),
+      hasBitFlag(expected, RECORDING),
+      `Recording ${i + 1} has expected console state.`
+    );
+    is(
+      recording == current,
+      hasBitFlag(expected, SELECTED),
+      `Recording ${i + 1} has expected selected state.`
+    );
+  });
+}
diff --git a/devtools/client/performance/test/browser_perf-console-record-09.js b/devtools/client/performance/test/browser_perf-console-record-09.js
new file mode 100644
index 0000000000..1f394fda7c
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-console-record-09.js
@@ -0,0 +1,83 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that an error is not thrown when clearing out the recordings if there's
+ * an in-progress console profile and that console profiles are not cleared
+ * if in progress.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInTab,
+  initConsoleInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  waitForRecordingStartedEvents,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  idleWait,
+} = require("devtools/client/performance/test/helpers/wait-utils");
+
+add_task(async function() {
+  const { target, console } = await initConsoleInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { panel } = await initPerformanceInTab({ tab: target.localTab });
+  const { PerformanceController } = panel.panelWin;
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  info("Starting console.profile()...");
+  const started = waitForRecordingStartedEvents(panel, {
+    // only emitted for manual recordings
+    skipWaitingForBackendReady: true,
+    // only emitted when an in-progress recording is selected
+    skipWaitingForOverview: true,
+    // the view state won't switch to "console-recording" unless the new
+    // in-progress recording is selected, which won't happen
+    skipWaitingForViewState: true,
+  });
+  await console.profile();
+  await started;
+
+  await PerformanceController.clearRecordings();
+  let recordings = PerformanceController.getRecordings();
+  is(recordings.length, 1, "One recording found in the performance panel.");
+  is(recordings[0].isConsole(), true, "Recording came from console.profile.");
+  is(recordings[0].getLabel(), "", "Correct label in the recording model.");
+  is(
+    PerformanceController.getCurrentRecording(),
+    recordings[0],
+    "There current recording should be the first one."
+  );
+
+  info("Attempting to end console.profileEnd()...");
+  await console.profileEnd();
+  await idleWait(1000);
+
+  ok(
+    true,
+    "Stopping an in-progress console profile after clearing recordings does not throw."
+  );
+
+  await PerformanceController.clearRecordings();
+  recordings = PerformanceController.getRecordings();
+  is(recordings.length, 0, "No recordings found");
+  is(
+    PerformanceController.getCurrentRecording(),
+    null,
+    "There should be no current recording."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-details-01-toggle.js b/devtools/client/performance/test/browser_perf-details-01-toggle.js
new file mode 100644
index 0000000000..2d8e95b0f2
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-details-01-toggle.js
@@ -0,0 +1,89 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the details view toggles subviews.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+const {
+  command,
+} = require("devtools/client/performance/test/helpers/input-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { EVENTS, $, DetailsView } = panel.panelWin;
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  info("Checking views on startup.");
+  checkViews(DetailsView, $, "waterfall");
+
+  // Select calltree view.
+  let viewChanged = once(DetailsView, EVENTS.UI_DETAILS_VIEW_SELECTED, {
+    spreadArgs: true,
+  });
+  command($("toolbarbutton[data-view='js-calltree']"));
+  let [viewName] = await viewChanged;
+  is(viewName, "js-calltree", "UI_DETAILS_VIEW_SELECTED fired with view name");
+  checkViews(DetailsView, $, "js-calltree");
+
+  // Select js flamegraph view.
+  viewChanged = once(DetailsView, EVENTS.UI_DETAILS_VIEW_SELECTED, {
+    spreadArgs: true,
+  });
+  command($("toolbarbutton[data-view='js-flamegraph']"));
+  [viewName] = await viewChanged;
+  is(
+    viewName,
+    "js-flamegraph",
+    "UI_DETAILS_VIEW_SELECTED fired with view name"
+  );
+  checkViews(DetailsView, $, "js-flamegraph");
+
+  // Select waterfall view.
+  viewChanged = once(DetailsView, EVENTS.UI_DETAILS_VIEW_SELECTED, {
+    spreadArgs: true,
+  });
+  command($("toolbarbutton[data-view='waterfall']"));
+  [viewName] = await viewChanged;
+  is(viewName, "waterfall", "UI_DETAILS_VIEW_SELECTED fired with view name");
+  checkViews(DetailsView, $, "waterfall");
+
+  await teardownToolboxAndRemoveTab(panel);
+});
+
+function checkViews(DetailsView, $, currentView) {
+  for (const viewName in DetailsView.components) {
+    const button = $(`toolbarbutton[data-view="${viewName}"]`);
+
+    is(
+      DetailsView.el.selectedPanel.id,
+      DetailsView.components[currentView].id,
+      `DetailsView correctly has ${currentView} selected.`
+    );
+
+    if (viewName == currentView) {
+      ok(button.getAttribute("checked"), `${viewName} button checked.`);
+    } else {
+      ok(!button.getAttribute("checked"), `${viewName} button not checked.`);
+    }
+  }
+}
diff --git a/devtools/client/performance/test/browser_perf-details-02-utility-fun.js b/devtools/client/performance/test/browser_perf-details-02-utility-fun.js
new file mode 100644
index 0000000000..79a516b9aa
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-details-02-utility-fun.js
@@ -0,0 +1,75 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the details view utility functions work as advertised.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const {
+    EVENTS,
+    DetailsView,
+    WaterfallView,
+    JsCallTreeView,
+    JsFlameGraphView,
+  } = panel.panelWin;
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  ok(
+    DetailsView.isViewSelected(WaterfallView),
+    "The waterfall view is selected by default in the details view."
+  );
+
+  // Select js calltree view.
+  let selected = once(DetailsView, EVENTS.UI_DETAILS_VIEW_SELECTED);
+  await DetailsView.selectView("js-calltree");
+  await selected;
+
+  ok(
+    DetailsView.isViewSelected(JsCallTreeView),
+    "The js calltree view is now selected in the details view."
+  );
+
+  // Select js flamegraph view.
+  selected = once(DetailsView, EVENTS.UI_DETAILS_VIEW_SELECTED);
+  await DetailsView.selectView("js-flamegraph");
+  await selected;
+
+  ok(
+    DetailsView.isViewSelected(JsFlameGraphView),
+    "The js flamegraph view is now selected in the details view."
+  );
+
+  // Select waterfall view.
+  selected = once(DetailsView, EVENTS.UI_DETAILS_VIEW_SELECTED);
+  await DetailsView.selectView("waterfall");
+  await selected;
+
+  ok(
+    DetailsView.isViewSelected(WaterfallView),
+    "The waterfall view is now selected in the details view."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-details-03-without-allocations.js b/devtools/client/performance/test/browser_perf-details-03-without-allocations.js
new file mode 100644
index 0000000000..c76cde4c8e
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-details-03-without-allocations.js
@@ -0,0 +1,176 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the details view hides the allocations buttons when a recording
+ * does not have allocations data ("withAllocations": false), and that when an
+ * allocations panel is selected to a panel that does not have allocations goes
+ * to a default panel instead.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  UI_ENABLE_ALLOCATIONS_PREF,
+} = require("devtools/client/performance/test/helpers/prefs");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+const {
+  setSelectedRecording,
+} = require("devtools/client/performance/test/helpers/recording-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const {
+    EVENTS,
+    $,
+    DetailsView,
+    WaterfallView,
+    MemoryCallTreeView,
+    MemoryFlameGraphView,
+  } = panel.panelWin;
+
+  const flameBtn = $("toolbarbutton[data-view='memory-flamegraph']");
+  const callBtn = $("toolbarbutton[data-view='memory-calltree']");
+
+  // Disable allocations to prevent recording them.
+  Services.prefs.setBoolPref(UI_ENABLE_ALLOCATIONS_PREF, false);
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  ok(
+    DetailsView.isViewSelected(WaterfallView),
+    "The waterfall view is selected by default in the details view."
+  );
+
+  // Re-enable allocations to test.
+  Services.prefs.setBoolPref(UI_ENABLE_ALLOCATIONS_PREF, true);
+
+  // The toolbar buttons will always be hidden when a recording isn't available,
+  // so make sure we have one that's finished.
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  ok(
+    DetailsView.isViewSelected(WaterfallView),
+    "The waterfall view is still selected in the details view."
+  );
+
+  is(
+    callBtn.hidden,
+    false,
+    "The `memory-calltree` button is shown when recording has memory data."
+  );
+  is(
+    flameBtn.hidden,
+    false,
+    "The `memory-flamegraph` button is shown when recording has memory data."
+  );
+
+  let selected = once(DetailsView, EVENTS.UI_DETAILS_VIEW_SELECTED);
+  let rendered = once(MemoryCallTreeView, EVENTS.UI_MEMORY_CALL_TREE_RENDERED);
+  DetailsView.selectView("memory-calltree");
+  await selected;
+  await rendered;
+
+  ok(
+    DetailsView.isViewSelected(MemoryCallTreeView),
+    "The memory call tree view can now be selected."
+  );
+
+  selected = once(DetailsView, EVENTS.UI_DETAILS_VIEW_SELECTED);
+  rendered = once(MemoryFlameGraphView, EVENTS.UI_MEMORY_FLAMEGRAPH_RENDERED);
+  DetailsView.selectView("memory-flamegraph");
+  await selected;
+  await rendered;
+
+  ok(
+    DetailsView.isViewSelected(MemoryFlameGraphView),
+    "The memory flamegraph view can now be selected."
+  );
+
+  // Select the first recording with no memory data.
+  selected = once(DetailsView, EVENTS.UI_DETAILS_VIEW_SELECTED);
+  rendered = once(WaterfallView, EVENTS.UI_WATERFALL_RENDERED);
+  setSelectedRecording(panel, 0);
+  await selected;
+  await rendered;
+
+  ok(
+    DetailsView.isViewSelected(WaterfallView),
+    "The waterfall view is now selected " +
+      "when switching back to a recording that does not have memory data."
+  );
+
+  is(
+    callBtn.hidden,
+    true,
+    "The `memory-calltree` button is hidden when recording has no memory data."
+  );
+  is(
+    flameBtn.hidden,
+    true,
+    "The `memory-flamegraph` button is hidden when recording has no memory data."
+  );
+
+  // Go back to the recording with memory data.
+  rendered = once(WaterfallView, EVENTS.UI_WATERFALL_RENDERED);
+  setSelectedRecording(panel, 1);
+  await rendered;
+
+  ok(
+    DetailsView.isViewSelected(WaterfallView),
+    "The waterfall view is still selected in the details view."
+  );
+
+  is(
+    callBtn.hidden,
+    false,
+    "The `memory-calltree` button is shown when recording has memory data."
+  );
+  is(
+    flameBtn.hidden,
+    false,
+    "The `memory-flamegraph` button is shown when recording has memory data."
+  );
+
+  selected = once(DetailsView, EVENTS.UI_DETAILS_VIEW_SELECTED);
+  rendered = once(MemoryCallTreeView, EVENTS.UI_MEMORY_CALL_TREE_RENDERED);
+  DetailsView.selectView("memory-calltree");
+  await selected;
+  await rendered;
+
+  ok(
+    DetailsView.isViewSelected(MemoryCallTreeView),
+    "The memory call tree view can be " +
+      "selected again after going back to the view with memory data."
+  );
+
+  selected = once(DetailsView, EVENTS.UI_DETAILS_VIEW_SELECTED);
+  rendered = once(MemoryFlameGraphView, EVENTS.UI_MEMORY_FLAMEGRAPH_RENDERED);
+  DetailsView.selectView("memory-flamegraph");
+  await selected;
+  await rendered;
+
+  ok(
+    DetailsView.isViewSelected(MemoryFlameGraphView),
+    "The memory flamegraph view can " +
+      "be selected again after going back to the view with memory data."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-details-04-toolbar-buttons.js b/devtools/client/performance/test/browser_perf-details-04-toolbar-buttons.js
new file mode 100644
index 0000000000..34784ea7bd
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-details-04-toolbar-buttons.js
@@ -0,0 +1,253 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the details view hides the toolbar buttons when a recording
+ * doesn't exist or is in progress.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+const {
+  setSelectedRecording,
+  getSelectedRecordingIndex,
+} = require("devtools/client/performance/test/helpers/recording-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { EVENTS, $, PerformanceController, WaterfallView } = panel.panelWin;
+
+  const waterfallBtn = $("toolbarbutton[data-view='waterfall']");
+  const jsFlameBtn = $("toolbarbutton[data-view='js-flamegraph']");
+  const jsCallBtn = $("toolbarbutton[data-view='js-calltree']");
+  const memFlameBtn = $("toolbarbutton[data-view='memory-flamegraph']");
+  const memCallBtn = $("toolbarbutton[data-view='memory-calltree']");
+
+  is(
+    waterfallBtn.hidden,
+    true,
+    "The `waterfall` button is hidden when tool starts."
+  );
+  is(
+    jsFlameBtn.hidden,
+    true,
+    "The `js-flamegraph` button is hidden when tool starts."
+  );
+  is(
+    jsCallBtn.hidden,
+    true,
+    "The `js-calltree` button is hidden when tool starts."
+  );
+  is(
+    memFlameBtn.hidden,
+    true,
+    "The `memory-flamegraph` button is hidden when tool starts."
+  );
+  is(
+    memCallBtn.hidden,
+    true,
+    "The `memory-calltree` button is hidden when tool starts."
+  );
+
+  await startRecording(panel);
+
+  is(
+    waterfallBtn.hidden,
+    true,
+    "The `waterfall` button is hidden when recording starts."
+  );
+  is(
+    jsFlameBtn.hidden,
+    true,
+    "The `js-flamegraph` button is hidden when recording starts."
+  );
+  is(
+    jsCallBtn.hidden,
+    true,
+    "The `js-calltree` button is hidden when recording starts."
+  );
+  is(
+    memFlameBtn.hidden,
+    true,
+    "The `memory-flamegraph` button is hidden when recording starts."
+  );
+  is(
+    memCallBtn.hidden,
+    true,
+    "The `memory-calltree` button is hidden when recording starts."
+  );
+
+  await stopRecording(panel);
+
+  is(
+    waterfallBtn.hidden,
+    false,
+    "The `waterfall` button is visible when recording ends."
+  );
+  is(
+    jsFlameBtn.hidden,
+    false,
+    "The `js-flamegraph` button is visible when recording ends."
+  );
+  is(
+    jsCallBtn.hidden,
+    false,
+    "The `js-calltree` button is visible when recording ends."
+  );
+  is(
+    memFlameBtn.hidden,
+    true,
+    "The `memory-flamegraph` button is hidden when recording ends."
+  );
+  is(
+    memCallBtn.hidden,
+    true,
+    "The `memory-calltree` button is hidden when recording ends."
+  );
+
+  await startRecording(panel);
+
+  is(
+    waterfallBtn.hidden,
+    true,
+    "The `waterfall` button is hidden when another recording starts."
+  );
+  is(
+    jsFlameBtn.hidden,
+    true,
+    "The `js-flamegraph` button is hidden when another recording starts."
+  );
+  is(
+    jsCallBtn.hidden,
+    true,
+    "The `js-calltree` button is hidden when another recording starts."
+  );
+  is(
+    memFlameBtn.hidden,
+    true,
+    "The `memory-flamegraph` button is hidden when another recording starts."
+  );
+  is(
+    memCallBtn.hidden,
+    true,
+    "The `memory-calltree` button is hidden when another recording starts."
+  );
+
+  let selected = once(PerformanceController, EVENTS.RECORDING_SELECTED);
+  let rendered = once(WaterfallView, EVENTS.UI_WATERFALL_RENDERED);
+  setSelectedRecording(panel, 0);
+  await selected;
+  await rendered;
+
+  let selectedIndex = getSelectedRecordingIndex(panel);
+  is(selectedIndex, 0, "The first recording was selected again.");
+
+  is(
+    waterfallBtn.hidden,
+    false,
+    "The `waterfall` button is visible when first recording selected."
+  );
+  is(
+    jsFlameBtn.hidden,
+    false,
+    "The `js-flamegraph` button is visible when first recording selected."
+  );
+  is(
+    jsCallBtn.hidden,
+    false,
+    "The `js-calltree` button is visible when first recording selected."
+  );
+  is(
+    memFlameBtn.hidden,
+    true,
+    "The `memory-flamegraph` button is hidden when first recording selected."
+  );
+  is(
+    memCallBtn.hidden,
+    true,
+    "The `memory-calltree` button is hidden when first recording selected."
+  );
+
+  selected = once(PerformanceController, EVENTS.RECORDING_SELECTED);
+  setSelectedRecording(panel, 1);
+  await selected;
+
+  selectedIndex = getSelectedRecordingIndex(panel);
+  is(selectedIndex, 1, "The second recording was selected again.");
+
+  is(
+    waterfallBtn.hidden,
+    true,
+    "The `waterfall button` still is hidden when second recording selected."
+  );
+  is(
+    jsFlameBtn.hidden,
+    true,
+    "The `js-flamegraph button` still is hidden when second recording selected."
+  );
+  is(
+    jsCallBtn.hidden,
+    true,
+    "The `js-calltree button` still is hidden when second recording selected."
+  );
+  is(
+    memFlameBtn.hidden,
+    true,
+    "The `memory-flamegraph button` still is hidden when second recording selected."
+  );
+  is(
+    memCallBtn.hidden,
+    true,
+    "The `memory-calltree button` still is hidden when second recording selected."
+  );
+
+  rendered = once(WaterfallView, EVENTS.UI_WATERFALL_RENDERED);
+  await stopRecording(panel);
+  await rendered;
+
+  selectedIndex = getSelectedRecordingIndex(panel);
+  is(selectedIndex, 1, "The second recording is still selected.");
+
+  is(
+    waterfallBtn.hidden,
+    false,
+    "The `waterfall` button is visible when second recording finished."
+  );
+  is(
+    jsFlameBtn.hidden,
+    false,
+    "The `js-flamegraph` button is visible when second recording finished."
+  );
+  is(
+    jsCallBtn.hidden,
+    false,
+    "The `js-calltree` button is visible when second recording finished."
+  );
+  is(
+    memFlameBtn.hidden,
+    true,
+    "The `memory-flamegraph` button is hidden when second recording finished."
+  );
+  is(
+    memCallBtn.hidden,
+    true,
+    "The `memory-calltree` button is hidden when second recording finished."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-details-05-preserve-view.js b/devtools/client/performance/test/browser_perf-details-05-preserve-view.js
new file mode 100644
index 0000000000..515f405d9e
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-details-05-preserve-view.js
@@ -0,0 +1,68 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the same details view is selected after recordings are cleared
+ * and a new recording starts.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const {
+    EVENTS,
+    PerformanceController,
+    DetailsView,
+    JsCallTreeView,
+  } = panel.panelWin;
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  const selected = once(DetailsView, EVENTS.UI_DETAILS_VIEW_SELECTED);
+  const rendered = once(JsCallTreeView, EVENTS.UI_JS_CALL_TREE_RENDERED);
+  await DetailsView.selectView("js-calltree");
+  await selected;
+  await rendered;
+
+  ok(
+    DetailsView.isViewSelected(JsCallTreeView),
+    "The js calltree view is now selected in the details view."
+  );
+
+  const cleared = once(PerformanceController, EVENTS.RECORDING_SELECTED, {
+    expectedArgs: [null],
+  });
+  await PerformanceController.clearRecordings();
+  await cleared;
+
+  await startRecording(panel);
+  await stopRecording(panel, {
+    expectedViewClass: "JsCallTreeView",
+    expectedViewEvent: "UI_JS_CALL_TREE_RENDERED",
+  });
+
+  ok(
+    DetailsView.isViewSelected(JsCallTreeView),
+    "The js calltree view is still selected in the details view."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-details-06-rerender-on-selection.js b/devtools/client/performance/test/browser_perf-details-06-rerender-on-selection.js
new file mode 100644
index 0000000000..d60afb9eab
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-details-06-rerender-on-selection.js
@@ -0,0 +1,105 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that when flame chart views scroll to change selection,
+ * other detail views are rerendered.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+const {
+  scrollCanvasGraph,
+  HORIZONTAL_AXIS,
+} = require("devtools/client/performance/test/helpers/input-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const {
+    EVENTS,
+    OverviewView,
+    DetailsView,
+    WaterfallView,
+    JsCallTreeView,
+    JsFlameGraphView,
+  } = panel.panelWin;
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  const waterfallRendered = once(WaterfallView, EVENTS.UI_WATERFALL_RENDERED);
+  OverviewView.setTimeInterval({ startTime: 10, endTime: 20 });
+  await waterfallRendered;
+
+  // Select the call tree to make sure it's initialized and ready to receive
+  // redrawing requests once reselected.
+  const callTreeRendered = once(
+    JsCallTreeView,
+    EVENTS.UI_JS_CALL_TREE_RENDERED
+  );
+  await DetailsView.selectView("js-calltree");
+  await callTreeRendered;
+
+  // Switch to the flamegraph and perform a scroll over the visualization.
+  // The waterfall and call tree should get rerendered when reselected.
+  const flamegraphRendered = once(
+    JsFlameGraphView,
+    EVENTS.UI_JS_FLAMEGRAPH_RENDERED
+  );
+  await DetailsView.selectView("js-flamegraph");
+  await flamegraphRendered;
+
+  const overviewRangeSelected = once(
+    OverviewView,
+    EVENTS.UI_OVERVIEW_RANGE_SELECTED
+  );
+  const waterfallRerendered = once(WaterfallView, EVENTS.UI_WATERFALL_RENDERED);
+  const callTreeRerendered = once(
+    JsCallTreeView,
+    EVENTS.UI_JS_CALL_TREE_RENDERED
+  );
+
+  once(JsFlameGraphView, EVENTS.UI_JS_FLAMEGRAPH_RENDERED).then(() => {
+    ok(
+      false,
+      "FlameGraphView should not publicly rerender, the internal state " +
+        "and drawing should be handled by the underlying widget."
+    );
+  });
+
+  // Reset the range to full view, trigger a "selection" event as if
+  // our mouse has done this
+  scrollCanvasGraph(JsFlameGraphView.graph, {
+    axis: HORIZONTAL_AXIS,
+    wheel: 200,
+    x: 10,
+  });
+
+  await overviewRangeSelected;
+  ok(true, "Overview range was changed.");
+
+  await DetailsView.selectView("waterfall");
+  await waterfallRerendered;
+  ok(true, "Waterfall rerendered by flame graph changing interval.");
+
+  await DetailsView.selectView("js-calltree");
+  await callTreeRerendered;
+  ok(true, "CallTree rerendered by flame graph changing interval.");
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-details-07-bleed-events.js b/devtools/client/performance/test/browser_perf-details-07-bleed-events.js
new file mode 100644
index 0000000000..c5202666f1
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-details-07-bleed-events.js
@@ -0,0 +1,63 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that events don't bleed between detail views.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { EVENTS, DetailsView, JsCallTreeView } = panel.panelWin;
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  // The waterfall should render by default, and we want to make
+  // sure that the render events don't bleed between detail views
+  // so test that's the case after both views have been created.
+  const callTreeRendered = once(
+    JsCallTreeView,
+    EVENTS.UI_JS_CALL_TREE_RENDERED
+  );
+  await DetailsView.selectView("js-calltree");
+  await callTreeRendered;
+
+  const waterfallSelected = once(DetailsView, EVENTS.UI_DETAILS_VIEW_SELECTED);
+  await DetailsView.selectView("waterfall");
+  await waterfallSelected;
+
+  once(JsCallTreeView, EVENTS.UI_WATERFALL_RENDERED).then(() =>
+    ok(false, "JsCallTreeView should not receive UI_WATERFALL_RENDERED event.")
+  );
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  const callTreeRerendered = once(
+    JsCallTreeView,
+    EVENTS.UI_JS_CALL_TREE_RENDERED
+  );
+  await DetailsView.selectView("js-calltree");
+  await callTreeRerendered;
+
+  ok(true, "Test passed.");
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-details-render-00-waterfall.js b/devtools/client/performance/test/browser_perf-details-render-00-waterfall.js
new file mode 100644
index 0000000000..8b73e8c06f
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-details-render-00-waterfall.js
@@ -0,0 +1,53 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the waterfall view renders content after recording.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { DetailsView, WaterfallView } = panel.panelWin;
+
+  await startRecording(panel);
+  // Already waits for EVENTS.UI_WATERFALL_RENDERED.
+  await stopRecording(panel);
+
+  ok(
+    DetailsView.isViewSelected(WaterfallView),
+    "The waterfall view is selected by default in the details view."
+  );
+
+  ok(true, "WaterfallView rendered after recording is stopped.");
+
+  await startRecording(panel);
+  // Already waits for EVENTS.UI_WATERFALL_RENDERED.
+  await stopRecording(panel);
+
+  ok(
+    DetailsView.isViewSelected(WaterfallView),
+    "The waterfall view is still selected in the details view."
+  );
+
+  ok(
+    true,
+    "WaterfallView rendered again after recording completed a second time."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-details-render-01-js-calltree.js b/devtools/client/performance/test/browser_perf-details-render-01-js-calltree.js
new file mode 100644
index 0000000000..b74cd7c087
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-details-render-01-js-calltree.js
@@ -0,0 +1,51 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the js call tree view renders content after recording.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { EVENTS, DetailsView, JsCallTreeView } = panel.panelWin;
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  const rendered = once(JsCallTreeView, EVENTS.UI_JS_CALL_TREE_RENDERED);
+  await DetailsView.selectView("js-calltree");
+  await rendered;
+
+  ok(true, "JsCallTreeView rendered after recording is stopped.");
+
+  await startRecording(panel);
+  await stopRecording(panel, {
+    expectedViewClass: "JsCallTreeView",
+    expectedViewEvent: "UI_JS_CALL_TREE_RENDERED",
+  });
+
+  ok(
+    true,
+    "JsCallTreeView rendered again after recording completed a second time."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-details-render-02-js-flamegraph.js b/devtools/client/performance/test/browser_perf-details-render-02-js-flamegraph.js
new file mode 100644
index 0000000000..fef2be5da5
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-details-render-02-js-flamegraph.js
@@ -0,0 +1,51 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the js flamegraph view renders content after recording.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { EVENTS, DetailsView, JsFlameGraphView } = panel.panelWin;
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  const rendered = once(JsFlameGraphView, EVENTS.UI_JS_FLAMEGRAPH_RENDERED);
+  await DetailsView.selectView("js-flamegraph");
+  await rendered;
+
+  ok(true, "JsFlameGraphView rendered after recording is stopped.");
+
+  await startRecording(panel);
+  await stopRecording(panel, {
+    expectedViewClass: "JsFlameGraphView",
+    expectedViewEvent: "UI_JS_FLAMEGRAPH_RENDERED",
+  });
+
+  ok(
+    true,
+    "JsFlameGraphView rendered again after recording completed a second time."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-details-render-03-memory-calltree.js b/devtools/client/performance/test/browser_perf-details-render-03-memory-calltree.js
new file mode 100644
index 0000000000..7c58fb789e
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-details-render-03-memory-calltree.js
@@ -0,0 +1,60 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the memory call tree view renders content after recording.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  UI_ENABLE_ALLOCATIONS_PREF,
+} = require("devtools/client/performance/test/helpers/prefs");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { EVENTS, DetailsView, MemoryCallTreeView } = panel.panelWin;
+
+  // Enable allocations to test.
+  Services.prefs.setBoolPref(UI_ENABLE_ALLOCATIONS_PREF, true);
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  const rendered = once(
+    MemoryCallTreeView,
+    EVENTS.UI_MEMORY_CALL_TREE_RENDERED
+  );
+  await DetailsView.selectView("memory-calltree");
+  await rendered;
+
+  ok(true, "MemoryCallTreeView rendered after recording is stopped.");
+
+  await startRecording(panel);
+  await stopRecording(panel, {
+    expectedViewClass: "MemoryCallTreeView",
+    expectedViewEvent: "UI_MEMORY_CALL_TREE_RENDERED",
+  });
+
+  ok(
+    true,
+    "MemoryCallTreeView rendered again after recording completed a second time."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-details-render-04-memory-flamegraph.js b/devtools/client/performance/test/browser_perf-details-render-04-memory-flamegraph.js
new file mode 100644
index 0000000000..7a44974326
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-details-render-04-memory-flamegraph.js
@@ -0,0 +1,60 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the memory call tree view renders content after recording.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  UI_ENABLE_ALLOCATIONS_PREF,
+} = require("devtools/client/performance/test/helpers/prefs");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { EVENTS, DetailsView, MemoryFlameGraphView } = panel.panelWin;
+
+  // Enable allocations to test.
+  Services.prefs.setBoolPref(UI_ENABLE_ALLOCATIONS_PREF, true);
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  const rendered = once(
+    MemoryFlameGraphView,
+    EVENTS.UI_MEMORY_FLAMEGRAPH_RENDERED
+  );
+  await DetailsView.selectView("memory-flamegraph");
+  await rendered;
+
+  ok(true, "MemoryFlameGraphView rendered after recording is stopped.");
+
+  await startRecording(panel);
+  await stopRecording(panel, {
+    expectedViewClass: "MemoryFlameGraphView",
+    expectedViewEvent: "UI_MEMORY_FLAMEGRAPH_RENDERED",
+  });
+
+  ok(
+    true,
+    "MemoryFlameGraphView rendered again after recording completed a second time."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-docload.js b/devtools/client/performance/test/browser_perf-docload.js
new file mode 100644
index 0000000000..141248bcb6
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-docload.js
@@ -0,0 +1,58 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if the sidebar is updated with "DOMContentLoaded" and "load" markers.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+  reload,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  waitUntil,
+} = require("devtools/client/performance/test/helpers/wait-utils");
+
+add_task(async function() {
+  const { panel, target } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { PerformanceController } = panel.panelWin;
+
+  await startRecording(panel);
+  await reload(target);
+
+  await waitUntil(() => {
+    // Wait until we get the necessary markers.
+    const markers = PerformanceController.getCurrentRecording().getMarkers();
+    if (
+      !markers.some(m => m.name == "document::DOMContentLoaded") ||
+      !markers.some(m => m.name == "document::Load")
+    ) {
+      return false;
+    }
+
+    ok(
+      markers.filter(m => m.name == "document::DOMContentLoaded").length == 1,
+      "There should only be one `DOMContentLoaded` marker."
+    );
+    ok(
+      markers.filter(m => m.name == "document::Load").length == 1,
+      "There should only be one `load` marker."
+    );
+
+    return true;
+  });
+
+  await stopRecording(panel);
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-fission-switch-target.js b/devtools/client/performance/test/browser_perf-fission-switch-target.js
new file mode 100644
index 0000000000..4b93ad6cce
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-fission-switch-target.js
@@ -0,0 +1,58 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Test behavior while target-switching.
+ */
+
+const {
+  MAIN_PROCESS_URL,
+  SIMPLE_URL: CONTENT_PROCESS_URL,
+} = require("devtools/client/performance/test/helpers/urls");
+const {
+  BrowserTestUtils,
+} = require("resource://testing-common/BrowserTestUtils.jsm");
+const {
+  addTab,
+} = require("devtools/client/performance/test/helpers/tab-utils");
+const {
+  initPerformanceInTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+
+add_task(async function() {
+  info("Open a page running on content process");
+  const tab = await addTab({
+    url: CONTENT_PROCESS_URL,
+    win: window,
+  });
+
+  info("Open the performance panel");
+  const { panel } = await initPerformanceInTab({ tab });
+  const { PerformanceController, PerformanceView, EVENTS } = panel.panelWin;
+
+  info("Start recording");
+  await startRecording(panel);
+  await PerformanceView.once(EVENTS.UI_RECORDING_PROFILER_STATUS_RENDERED);
+
+  info("Navigate to a page running on main process");
+  BrowserTestUtils.loadURI(tab.linkedBrowser, MAIN_PROCESS_URL);
+  await PerformanceView.once(EVENTS.UI_RECORDING_PROFILER_STATUS_RENDERED);
+
+  info("Return to a page running on content process again");
+  BrowserTestUtils.loadURI(tab.linkedBrowser, CONTENT_PROCESS_URL);
+  await PerformanceView.once(EVENTS.UI_RECORDING_PROFILER_STATUS_RENDERED);
+
+  info("Stop recording");
+  await stopRecording(panel);
+
+  const recordings = PerformanceController.getRecordings();
+  is(recordings.length, 3, "Have a record for every target-switching");
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-gc-snap.js b/devtools/client/performance/test/browser_perf-gc-snap.js
new file mode 100644
index 0000000000..9e42476b59
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-gc-snap.js
@@ -0,0 +1,146 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+/* eslint-disable */
+/**
+ * Tests that the marker details on GC markers displays allocation
+ * buttons and snaps to the correct range
+ */
+async function spawnTest() {
+  let { panel } = await initPerformance(ALLOCS_URL);
+  let { $, $$, EVENTS, PerformanceController, OverviewView, DetailsView, WaterfallView, MemoryCallTreeView } = panel.panelWin;
+  let EPSILON = 0.00001;
+
+  Services.prefs.setBoolPref(ALLOCATIONS_PREF, true);
+
+  await startRecording(panel);
+  await idleWait(1000);
+  await stopRecording(panel);
+
+  injectGCMarkers(PerformanceController, WaterfallView);
+
+  // Select everything
+  let rendered = WaterfallView.once(EVENTS.UI_WATERFALL_RENDERED);
+  OverviewView.setTimeInterval({ startTime: 0, endTime: Number.MAX_VALUE });
+  await rendered;
+
+  let bars = $$(".waterfall-marker-bar");
+  let gcMarkers = PerformanceController.getCurrentRecording().getMarkers();
+  ok(gcMarkers.length === 9, "should have 9 GC markers");
+  ok(bars.length === 9, "should have 9 GC markers rendered");
+
+  /**
+   * Check when it's the second marker of the first GC cycle.
+   */
+
+  let targetMarker = gcMarkers[1];
+  let targetBar = bars[1];
+  info(`Clicking GC Marker of type ${targetMarker.causeName} ${targetMarker.start}:${targetMarker.end}`);
+  await EventUtils.sendMouseEvent({ type: "mousedown" }, targetBar);
+  let showAllocsButton;
+  // On slower machines this can not be found immediately?
+  await waitUntil(() => showAllocsButton = $("#waterfall-details .custom-button[type='show-allocations']"));
+  ok(showAllocsButton, "GC buttons when allocations are enabled");
+
+  rendered = once(MemoryCallTreeView, EVENTS.UI_MEMORY_CALL_TREE_RENDERED);
+  await EventUtils.sendMouseEvent({ type: "click" }, showAllocsButton);
+  await rendered;
+
+  is(OverviewView.getTimeInterval().startTime, 0, "When clicking first GC, should use 0 as start time");
+  within(OverviewView.getTimeInterval().endTime, targetMarker.start, EPSILON, "Correct end time range");
+
+  let duration = PerformanceController.getCurrentRecording().getDuration();
+  rendered = once(WaterfallView, EVENTS.UI_WATERFALL_RENDERED);
+  OverviewView.setTimeInterval({ startTime: 0, endTime: duration });
+  await DetailsView.selectView("waterfall");
+  await rendered;
+
+  /**
+   * Check when there is a previous GC cycle
+   */
+
+  bars = $$(".waterfall-marker-bar");
+  targetMarker = gcMarkers[4];
+  targetBar = bars[4];
+
+  info(`Clicking GC Marker of type ${targetMarker.causeName} ${targetMarker.start}:${targetMarker.end}`);
+  await EventUtils.sendMouseEvent({ type: "mousedown" }, targetBar);
+  // On slower machines this can not be found immediately?
+  await waitUntil(() => showAllocsButton = $("#waterfall-details .custom-button[type='show-allocations']"));
+  ok(showAllocsButton, "GC buttons when allocations are enabled");
+
+  rendered = once(MemoryCallTreeView, EVENTS.UI_MEMORY_CALL_TREE_RENDERED);
+  await EventUtils.sendMouseEvent({ type: "click" }, showAllocsButton);
+  await rendered;
+
+  within(OverviewView.getTimeInterval().startTime, gcMarkers[2].end, EPSILON,
+    "selection start range is last marker from previous GC cycle.");
+  within(OverviewView.getTimeInterval().endTime, targetMarker.start, EPSILON,
+    "selection end range is current GC marker's start time");
+
+  /**
+   * Now with allocations disabled
+   */
+
+  // Reselect the entire recording -- due to bug 1196945, the new recording
+  // won't reset the selection
+  duration = PerformanceController.getCurrentRecording().getDuration();
+  rendered = once(WaterfallView, EVENTS.UI_WATERFALL_RENDERED);
+  OverviewView.setTimeInterval({ startTime: 0, endTime: duration });
+  await rendered;
+
+  Services.prefs.setBoolPref(ALLOCATIONS_PREF, false);
+  await startRecording(panel);
+  rendered = once(WaterfallView, EVENTS.UI_WATERFALL_RENDERED);
+  await stopRecording(panel);
+  await rendered;
+
+  injectGCMarkers(PerformanceController, WaterfallView);
+
+  // Select everything
+  rendered = WaterfallView.once(EVENTS.UI_WATERFALL_RENDERED);
+  OverviewView.setTimeInterval({ startTime: 0, endTime: Number.MAX_VALUE });
+  await rendered;
+
+  ok(true, "WaterfallView rendered after recording is stopped.");
+
+  bars = $$(".waterfall-marker-bar");
+  gcMarkers = PerformanceController.getCurrentRecording().getMarkers();
+
+  await EventUtils.sendMouseEvent({ type: "mousedown" }, bars[0]);
+  showAllocsButton = $("#waterfall-details .custom-button[type='show-allocations']");
+  ok(!showAllocsButton, "No GC buttons when allocations are disabled");
+
+
+  await teardown(panel);
+  finish();
+}
+
+function injectGCMarkers(controller, waterfall) {
+  // Push some fake GC markers into the recording
+  let realMarkers = controller.getCurrentRecording().getMarkers();
+  // Invalidate marker cache
+  waterfall._cache.delete(realMarkers);
+  realMarkers.length = 0;
+  for (let gcMarker of GC_MARKERS) {
+    realMarkers.push(gcMarker);
+  }
+}
+
+var GC_MARKERS = [
+  { causeName: "TOO_MUCH_MALLOC", cycle: 1 },
+  { causeName: "TOO_MUCH_MALLOC", cycle: 1 },
+  { causeName: "TOO_MUCH_MALLOC", cycle: 1 },
+  { causeName: "ALLOC_TRIGGER", cycle: 2 },
+  { causeName: "ALLOC_TRIGGER", cycle: 2 },
+  { causeName: "ALLOC_TRIGGER", cycle: 2 },
+  { causeName: "SET_NEW_DOCUMENT", cycle: 3 },
+  { causeName: "SET_NEW_DOCUMENT", cycle: 3 },
+  { causeName: "SET_NEW_DOCUMENT", cycle: 3 },
+].map((marker, i) => {
+  marker.name = "GarbageCollection";
+  marker.start = 50 + (i * 10);
+  marker.end = marker.start + 9;
+  return marker;
+});
+/* eslint-enable */
diff --git a/devtools/client/performance/test/browser_perf-highlighted.js b/devtools/client/performance/test/browser_perf-highlighted.js
new file mode 100644
index 0000000000..ad7e5333d8
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-highlighted.js
@@ -0,0 +1,66 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the toolbox tab for performance is highlighted when recording,
+ * whether already loaded, or via console.profile with an unloaded performance tools.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInTab,
+  initConsoleInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  waitUntil,
+} = require("devtools/client/performance/test/helpers/wait-utils");
+
+add_task(async function() {
+  const { target, toolbox, console } = await initConsoleInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const tab = toolbox.doc.getElementById("toolbox-tab-performance");
+
+  await console.profile("rust");
+  await waitUntil(() => tab.classList.contains("highlighted"));
+
+  ok(
+    tab.classList.contains("highlighted"),
+    "Performance tab is highlighted during " +
+      "recording from console.profile when unloaded."
+  );
+
+  await console.profileEnd("rust");
+  await waitUntil(() => !tab.classList.contains("highlighted"));
+
+  ok(
+    !tab.classList.contains("highlighted"),
+    "Performance tab is no longer highlighted when console.profile recording finishes."
+  );
+
+  const { panel } = await initPerformanceInTab({ tab: target.localTab });
+
+  await startRecording(panel);
+
+  ok(
+    tab.classList.contains("highlighted"),
+    "Performance tab is highlighted during recording while in performance tool."
+  );
+
+  await stopRecording(panel);
+
+  ok(
+    !tab.classList.contains("highlighted"),
+    "Performance tab is no longer highlighted when recording finishes."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-loading-01.js b/devtools/client/performance/test/browser_perf-loading-01.js
new file mode 100644
index 0000000000..02f97c3a64
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-loading-01.js
@@ -0,0 +1,80 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the recordings view shows the right label while recording, after
+ * recording, and once the record has loaded.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+const {
+  getSelectedRecording,
+  getDurationLabelText,
+} = require("devtools/client/performance/test/helpers/recording-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { EVENTS, PerformanceController } = panel.panelWin;
+  const { L10N } = require("devtools/client/performance/modules/global");
+
+  await startRecording(panel);
+
+  is(
+    getDurationLabelText(panel, 0),
+    L10N.getStr("recordingsList.recordingLabel"),
+    "The duration node should show the 'recording' message while recording"
+  );
+
+  const recordingStopping = once(
+    PerformanceController,
+    EVENTS.RECORDING_STATE_CHANGE,
+    {
+      expectedArgs: ["recording-stopping"],
+    }
+  );
+  const recordingStopped = once(
+    PerformanceController,
+    EVENTS.RECORDING_STATE_CHANGE,
+    {
+      expectedArgs: ["recording-stopped"],
+    }
+  );
+  const everythingStopped = stopRecording(panel);
+
+  await recordingStopping;
+  is(
+    getDurationLabelText(panel, 0),
+    L10N.getStr("recordingsList.loadingLabel"),
+    "The duration node should show the 'loading' message while stopping"
+  );
+
+  await recordingStopped;
+  const selected = getSelectedRecording(panel);
+  is(
+    getDurationLabelText(panel, 0),
+    L10N.getFormatStr(
+      "recordingsList.durationLabel",
+      selected.getDuration().toFixed(0)
+    ),
+    "The duration node should show the duration after the record has stopped"
+  );
+
+  await everythingStopped;
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-loading-02.js b/devtools/client/performance/test/browser_perf-loading-02.js
new file mode 100644
index 0000000000..710e8b9e29
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-loading-02.js
@@ -0,0 +1,129 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the details view is locked after recording has stopped and before
+ * the recording has finished loading.
+ * Also test that the details view isn't locked if the recording that is being
+ * stopped isn't the active one.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+const {
+  getSelectedRecordingIndex,
+  setSelectedRecording,
+} = require("devtools/client/performance/test/helpers/recording-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { EVENTS, $, PerformanceController } = panel.panelWin;
+  const detailsContainer = $("#details-pane-container");
+  const recordingNotice = $("#recording-notice");
+  const loadingNotice = $("#loading-notice");
+  const detailsPane = $("#details-pane");
+
+  await startRecording(panel);
+
+  is(
+    detailsContainer.selectedPanel,
+    recordingNotice,
+    "The recording-notice is shown while recording."
+  );
+
+  let recordingStopping = once(
+    PerformanceController,
+    EVENTS.RECORDING_STATE_CHANGE,
+    {
+      expectedArgs: ["recording-stopping"],
+    }
+  );
+  let recordingStopped = once(
+    PerformanceController,
+    EVENTS.RECORDING_STATE_CHANGE,
+    {
+      expectedArgs: ["recording-stopped"],
+    }
+  );
+  let everythingStopped = stopRecording(panel);
+
+  await recordingStopping;
+  is(
+    detailsContainer.selectedPanel,
+    loadingNotice,
+    "The loading-notice is shown while the record is stopping."
+  );
+
+  await recordingStopped;
+  is(
+    detailsContainer.selectedPanel,
+    detailsPane,
+    "The details panel is shown after the record has stopped."
+  );
+
+  await everythingStopped;
+  await startRecording(panel);
+
+  info("While the 2nd record is still going, switch to the first one.");
+  const recordingSelected = once(
+    PerformanceController,
+    EVENTS.RECORDING_SELECTED
+  );
+  setSelectedRecording(panel, 0);
+  await recordingSelected;
+
+  recordingStopping = once(
+    PerformanceController,
+    EVENTS.RECORDING_STATE_CHANGE,
+    {
+      expectedArgs: ["recording-stopping"],
+    }
+  );
+  recordingStopped = once(
+    PerformanceController,
+    EVENTS.RECORDING_STATE_CHANGE,
+    {
+      expectedArgs: ["recording-stopped"],
+    }
+  );
+  everythingStopped = stopRecording(panel);
+
+  await recordingStopping;
+  is(
+    detailsContainer.selectedPanel,
+    detailsPane,
+    "The details panel is still shown while the 2nd record is being stopped."
+  );
+  is(
+    getSelectedRecordingIndex(panel),
+    0,
+    "The first record is still selected."
+  );
+
+  await recordingStopped;
+
+  is(
+    detailsContainer.selectedPanel,
+    detailsPane,
+    "The details panel is still shown after the 2nd record has stopped."
+  );
+  is(getSelectedRecordingIndex(panel), 1, "The second record is now selected.");
+
+  await everythingStopped;
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-marker-details.js b/devtools/client/performance/test/browser_perf-marker-details.js
new file mode 100644
index 0000000000..9f55497a10
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-marker-details.js
@@ -0,0 +1,143 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+/* eslint-disable */
+/**
+ * Tests if the Marker Details view renders all properties expected
+ * for each marker.
+ */
+
+async function spawnTest() {
+  let { target, panel } = await initPerformance(MARKERS_URL);
+  let { $, $$, EVENTS, PerformanceController, OverviewView, WaterfallView } = panel.panelWin;
+
+  // Hijack the markers massaging part of creating the waterfall view,
+  // to prevent collapsing markers and allowing this test to verify
+  // everything individually. A better solution would be to just expand
+  // all markers first and then skip the meta nodes, but I'm lazy.
+  WaterfallView._prepareWaterfallTree = markers => {
+    return { submarkers: markers };
+  };
+
+  const MARKER_TYPES = [
+    "Styles", "Reflow", "ConsoleTime", "TimeStamp"
+  ];
+
+  await startRecording(panel);
+  ok(true, "Recording has started.");
+
+  await waitUntil(() => {
+    // Wait until we get all the different markers.
+    let markers = PerformanceController.getCurrentRecording().getMarkers();
+    return MARKER_TYPES.every(type => markers.some(m => m.name === type));
+  });
+
+  await stopRecording(panel);
+  ok(true, "Recording has ended.");
+
+  info("No need to select everything in the timeline.");
+  info("All the markers should be displayed by default.");
+
+  let bars = Array.prototype.filter.call($$(".waterfall-marker-bar"),
+             (bar) => MARKER_TYPES.includes(bar.getAttribute("type")));
+  let markers = PerformanceController.getCurrentRecording().getMarkers()
+                .filter(m => MARKER_TYPES.includes(m.name));
+
+  info(`Got ${bars.length} bars and ${markers.length} markers.`);
+  info("Markers types from datasrc: " + Array.from(markers, e => e.name));
+  info("Markers names from sidebar: " + Array.from(bars, e => e.parentNode.parentNode.querySelector(".waterfall-marker-name").getAttribute("value")));
+
+  ok(bars.length >= MARKER_TYPES.length, `Got at least ${MARKER_TYPES.length} markers (1)`);
+  ok(markers.length >= MARKER_TYPES.length, `Got at least ${MARKER_TYPES.length} markers (2)`);
+
+  // Sanity check that markers are in chronologically ascending order
+  markers.reduce((previous, m) => {
+    if (m.start <= previous) {
+      ok(false, "Markers are not in order");
+      info(markers);
+    }
+    return m.start;
+  }, 0);
+
+  // Override the timestamp marker's stack with our own recursive stack, which
+  // can happen for unknown reasons (bug 1246555); we should not cause a crash
+  // when attempting to render a recursive stack trace
+  let timestampMarker = markers.find(m => m.name === "ConsoleTime");
+  ok(typeof timestampMarker.stack === "number", "ConsoleTime marker has a stack before overwriting.");
+  let frames = PerformanceController.getCurrentRecording().getFrames();
+  let frameIndex = timestampMarker.stack = frames.length;
+  frames.push({ line: 1, column: 1, source: "file.js", functionDisplayName: "test", parent: frameIndex + 1});
+  frames.push({ line: 1, column: 1, source: "file.js", functionDisplayName: "test", parent: frameIndex + 2 });
+  frames.push({ line: 1, column: 1, source: "file.js", functionDisplayName: "test", parent: frameIndex });
+
+  const tests = {
+    ConsoleTime: function (marker) {
+      info("Got `ConsoleTime` marker with data: " + JSON.stringify(marker));
+      ok(marker.stack === frameIndex, "Should have the ConsoleTime marker with recursive stack");
+      shouldHaveStack($, "startStack", marker);
+      shouldHaveStack($, "endStack", marker);
+      shouldHaveLabel($, "Timer Name:", "!!!", marker);
+      return true;
+    },
+    TimeStamp: function (marker) {
+      info("Got `TimeStamp` marker with data: " + JSON.stringify(marker));
+      shouldHaveLabel($, "Label:", "go", marker);
+      shouldHaveStack($, "stack", marker);
+      return true;
+    },
+    Styles: function (marker) {
+      info("Got `Styles` marker with data: " + JSON.stringify(marker));
+      if (marker.stack) {
+        shouldHaveStack($, "stack", marker);
+        return true;
+      }
+    },
+    Reflow: function (marker) {
+      info("Got `Reflow` marker with data: " + JSON.stringify(marker));
+      if (marker.stack) {
+        shouldHaveStack($, "stack", marker);
+        return true;
+      }
+    }
+  };
+
+  // Keep track of all marker tests that are finished so we only
+  // run through each marker test once, so we don't spam 500 redundant
+  // tests.
+  let testsDone = [];
+
+  for (let i = 0; i < bars.length; i++) {
+    let bar = bars[i];
+    let m = markers[i];
+    await EventUtils.sendMouseEvent({ type: "mousedown" }, bar);
+
+    if (tests[m.name]) {
+      if (!testsDone.includes(m.name)) {
+        let fullTestComplete = tests[m.name](m);
+        if (fullTestComplete) {
+          testsDone.push(m.name);
+        }
+      }
+    } else {
+      throw new Error(`No tests for ${m.name} -- should be filtered out.`);
+    }
+
+    if (testsDone.length === Object.keys(tests).length) {
+      break;
+    }
+  }
+
+  await teardown(panel);
+  finish();
+}
+
+function shouldHaveStack($, type, marker) {
+  ok($(`#waterfall-details .marker-details-stack[type=${type}]`), `${marker.name} has a stack: ${type}`);
+}
+
+function shouldHaveLabel($, name, value, marker) {
+  let $name = $(`#waterfall-details .marker-details-labelcontainer .marker-details-labelname[value="${name}"]`);
+  let $value = $name.parentNode.querySelector(".marker-details-labelvalue");
+  is($value.getAttribute("value"), value, `${marker.name} has correct label for ${name}:${value}`);
+}
+/* eslint-enable */
diff --git a/devtools/client/performance/test/browser_perf-options-01-toggle-throw.js b/devtools/client/performance/test/browser_perf-options-01-toggle-throw.js
new file mode 100644
index 0000000000..a110d1b2c1
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-options-01-toggle-throw.js
@@ -0,0 +1,40 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that toggling preferences before there are any recordings does not throw.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { DetailsView, JsCallTreeView } = panel.panelWin;
+
+  await DetailsView.selectView("js-calltree");
+
+  // Manually call the _onPrefChanged function so we can catch an error.
+  try {
+    JsCallTreeView._onPrefChanged(null, "invert-call-tree", true);
+    ok(
+      true,
+      "Toggling preferences before there are any recordings should not fail."
+    );
+  } catch (e) {
+    ok(
+      false,
+      "Toggling preferences before there are any recordings should not fail."
+    );
+  }
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-options-02-toggle-throw-alt.js b/devtools/client/performance/test/browser_perf-options-02-toggle-throw-alt.js
new file mode 100644
index 0000000000..a8dc39390d
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-options-02-toggle-throw-alt.js
@@ -0,0 +1,44 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that toggling preferences during a recording does not throw.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { DetailsView, JsCallTreeView } = panel.panelWin;
+
+  await DetailsView.selectView("js-calltree");
+  await startRecording(panel);
+
+  // Manually call the _onPrefChanged function so we can catch an error.
+  try {
+    JsCallTreeView._onPrefChanged(null, "invert-call-tree", true);
+    ok(true, "Toggling preferences during a recording should not fail.");
+  } catch (e) {
+    ok(false, "Toggling preferences during a recording should not fail.");
+  }
+
+  await stopRecording(panel, {
+    expectedViewClass: "JsCallTreeView",
+    expectedViewEvent: "UI_JS_CALL_TREE_RENDERED",
+  });
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-options-03-toggle-meta.js b/devtools/client/performance/test/browser_perf-options-03-toggle-meta.js
new file mode 100644
index 0000000000..9d0428a97c
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-options-03-toggle-meta.js
@@ -0,0 +1,51 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that toggling meta option prefs change visibility of other options.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  UI_EXPERIMENTAL_PREF,
+} = require("devtools/client/performance/test/helpers/prefs");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+
+add_task(async function() {
+  Services.prefs.setBoolPref(UI_EXPERIMENTAL_PREF, false);
+
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { $ } = panel.panelWin;
+  const $body = $(".theme-body");
+  const $menu = $("#performance-options-menupopup");
+
+  ok(
+    !$body.classList.contains("experimental-enabled"),
+    "The body node does not have `experimental-enabled` on start."
+  );
+  ok(
+    !$menu.classList.contains("experimental-enabled"),
+    "The menu popup does not have `experimental-enabled` on start."
+  );
+
+  Services.prefs.setBoolPref(UI_EXPERIMENTAL_PREF, true);
+
+  ok(
+    $body.classList.contains("experimental-enabled"),
+    "The body node has `experimental-enabled` after toggle."
+  );
+  ok(
+    $menu.classList.contains("experimental-enabled"),
+    "The menu popup has `experimental-enabled` after toggle."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-options-enable-framerate-01.js b/devtools/client/performance/test/browser_perf-options-enable-framerate-01.js
new file mode 100644
index 0000000000..3bc7a686a3
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-options-enable-framerate-01.js
@@ -0,0 +1,77 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that `enable-framerate` toggles the visibility of the fps graph,
+ * as well as enabling ticks data on the PerformanceFront.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  UI_ENABLE_FRAMERATE_PREF,
+} = require("devtools/client/performance/test/helpers/prefs");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  isVisible,
+} = require("devtools/client/performance/test/helpers/dom-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { $, PerformanceController } = panel.panelWin;
+
+  // Disable framerate to test.
+  Services.prefs.setBoolPref(UI_ENABLE_FRAMERATE_PREF, false);
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  is(
+    PerformanceController.getCurrentRecording().getConfiguration().withTicks,
+    false,
+    "PerformanceFront started without ticks recording."
+  );
+  ok(
+    !isVisible($("#time-framerate")),
+    "The fps graph is hidden when ticks disabled."
+  );
+
+  // Re-enable framerate.
+  Services.prefs.setBoolPref(UI_ENABLE_FRAMERATE_PREF, true);
+
+  is(
+    PerformanceController.getCurrentRecording().getConfiguration().withTicks,
+    false,
+    "PerformanceFront still marked without ticks recording."
+  );
+  ok(
+    !isVisible($("#time-framerate")),
+    "The fps graph is still hidden if recording does not contain ticks."
+  );
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  is(
+    PerformanceController.getCurrentRecording().getConfiguration().withTicks,
+    true,
+    "PerformanceFront started with ticks recording."
+  );
+  ok(
+    isVisible($("#time-framerate")),
+    "The fps graph is not hidden when ticks enabled before recording."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-options-enable-framerate-02.js b/devtools/client/performance/test/browser_perf-options-enable-framerate-02.js
new file mode 100644
index 0000000000..2c4da5c89f
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-options-enable-framerate-02.js
@@ -0,0 +1,57 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that toggling `enable-memory` during a recording doesn't change that
+ * recording's state and does not break.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  UI_ENABLE_FRAMERATE_PREF,
+} = require("devtools/client/performance/test/helpers/prefs");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { PerformanceController } = panel.panelWin;
+
+  // Test starting without framerate, and stopping with it.
+  Services.prefs.setBoolPref(UI_ENABLE_FRAMERATE_PREF, false);
+  await startRecording(panel);
+
+  Services.prefs.setBoolPref(UI_ENABLE_FRAMERATE_PREF, true);
+  await stopRecording(panel);
+
+  is(
+    PerformanceController.getCurrentRecording().getConfiguration().withTicks,
+    false,
+    "The recording finished without tracking framerate."
+  );
+
+  // Test starting with framerate, and stopping without it.
+  await startRecording(panel);
+
+  Services.prefs.setBoolPref(UI_ENABLE_FRAMERATE_PREF, false);
+  await stopRecording(panel);
+
+  is(
+    PerformanceController.getCurrentRecording().getConfiguration().withTicks,
+    true,
+    "The recording finished with tracking framerate."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-options-enable-memory-01.js b/devtools/client/performance/test/browser_perf-options-enable-memory-01.js
new file mode 100644
index 0000000000..e32ad8b84c
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-options-enable-memory-01.js
@@ -0,0 +1,96 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that `enable-memory` toggles the visibility of the memory graph,
+ * as well as enabling memory data on the PerformanceFront.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  UI_ENABLE_MEMORY_PREF,
+} = require("devtools/client/performance/test/helpers/prefs");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  isVisible,
+} = require("devtools/client/performance/test/helpers/dom-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { $, PerformanceController } = panel.panelWin;
+
+  // Disable memory to test.
+  Services.prefs.setBoolPref(UI_ENABLE_MEMORY_PREF, false);
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  is(
+    PerformanceController.getCurrentRecording().getConfiguration().withMemory,
+    false,
+    "PerformanceFront started without memory recording."
+  );
+  is(
+    PerformanceController.getCurrentRecording().getConfiguration()
+      .withAllocations,
+    false,
+    "PerformanceFront started without allocations recording."
+  );
+  ok(
+    !isVisible($("#memory-overview")),
+    "The memory graph is hidden when memory disabled."
+  );
+
+  // Re-enable memory.
+  Services.prefs.setBoolPref(UI_ENABLE_MEMORY_PREF, true);
+
+  is(
+    PerformanceController.getCurrentRecording().getConfiguration().withMemory,
+    false,
+    "PerformanceFront still marked without memory recording."
+  );
+  is(
+    PerformanceController.getCurrentRecording().getConfiguration()
+      .withAllocations,
+    false,
+    "PerformanceFront still marked without allocations recording."
+  );
+  ok(
+    !isVisible($("#memory-overview")),
+    "memory graph is still hidden after enabling " +
+      "if recording did not start recording memory"
+  );
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  is(
+    PerformanceController.getCurrentRecording().getConfiguration().withMemory,
+    true,
+    "PerformanceFront started with memory recording."
+  );
+  is(
+    PerformanceController.getCurrentRecording().getConfiguration()
+      .withAllocations,
+    false,
+    "PerformanceFront did not record with allocations."
+  );
+  ok(
+    isVisible($("#memory-overview")),
+    "The memory graph is not hidden when memory enabled before recording."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-options-enable-memory-02.js b/devtools/client/performance/test/browser_perf-options-enable-memory-02.js
new file mode 100644
index 0000000000..b71fef4ed9
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-options-enable-memory-02.js
@@ -0,0 +1,69 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that toggling `enable-memory` during a recording doesn't change that
+ * recording's state and does not break.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  UI_ENABLE_MEMORY_PREF,
+} = require("devtools/client/performance/test/helpers/prefs");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { PerformanceController } = panel.panelWin;
+
+  // Test starting without memory, and stopping with it.
+  Services.prefs.setBoolPref(UI_ENABLE_MEMORY_PREF, false);
+  await startRecording(panel);
+
+  Services.prefs.setBoolPref(UI_ENABLE_MEMORY_PREF, true);
+  await stopRecording(panel);
+
+  is(
+    PerformanceController.getCurrentRecording().getConfiguration().withMemory,
+    false,
+    "The recording finished without tracking memory."
+  );
+  is(
+    PerformanceController.getCurrentRecording().getConfiguration()
+      .withAllocations,
+    false,
+    "The recording finished without tracking allocations."
+  );
+
+  // Test starting with memory, and stopping without it.
+  await startRecording(panel);
+
+  Services.prefs.setBoolPref(UI_ENABLE_MEMORY_PREF, false);
+  await stopRecording(panel);
+
+  is(
+    PerformanceController.getCurrentRecording().getConfiguration().withMemory,
+    true,
+    "The recording finished with tracking memory."
+  );
+  is(
+    PerformanceController.getCurrentRecording().getConfiguration()
+      .withAllocations,
+    false,
+    "The recording still is not recording allocations."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-options-flatten-tree-recursion-01.js b/devtools/client/performance/test/browser_perf-options-flatten-tree-recursion-01.js
new file mode 100644
index 0000000000..07bdbf9e69
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-options-flatten-tree-recursion-01.js
@@ -0,0 +1,101 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the js flamegraphs get rerendered when toggling `flatten-tree-recursion`.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  UI_FLATTEN_RECURSION_PREF,
+} = require("devtools/client/performance/test/helpers/prefs");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const {
+    EVENTS,
+    PerformanceController,
+    DetailsView,
+    JsFlameGraphView,
+  } = panel.panelWin;
+  const {
+    FlameGraphUtils,
+  } = require("devtools/client/shared/widgets/FlameGraph");
+
+  Services.prefs.setBoolPref(UI_FLATTEN_RECURSION_PREF, true);
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  let rendered = once(JsFlameGraphView, EVENTS.UI_JS_FLAMEGRAPH_RENDERED);
+  await DetailsView.selectView("js-flamegraph");
+  await rendered;
+
+  const thread1 = PerformanceController.getCurrentRecording().getProfile()
+    .threads[0];
+  const rendering1 = FlameGraphUtils._cache.get(thread1);
+
+  ok(thread1, "The samples were retrieved from the controller.");
+  ok(rendering1, "The rendering data was cached.");
+
+  rendered = once(JsFlameGraphView, EVENTS.UI_JS_FLAMEGRAPH_RENDERED);
+  Services.prefs.setBoolPref(UI_FLATTEN_RECURSION_PREF, false);
+  await rendered;
+  ok(true, "JsFlameGraphView rerendered when toggling flatten-tree-recursion.");
+
+  const thread2 = PerformanceController.getCurrentRecording().getProfile()
+    .threads[0];
+  const rendering2 = FlameGraphUtils._cache.get(thread2);
+
+  is(
+    thread1,
+    thread2,
+    "The same samples data should be retrieved from the controller (1)."
+  );
+  isnot(
+    rendering1,
+    rendering2,
+    "The rendering data should be different because other options were used (1)."
+  );
+
+  rendered = once(JsFlameGraphView, EVENTS.UI_JS_FLAMEGRAPH_RENDERED);
+  Services.prefs.setBoolPref(UI_FLATTEN_RECURSION_PREF, true);
+  await rendered;
+  ok(
+    true,
+    "JsFlameGraphView rerendered when toggling back flatten-tree-recursion."
+  );
+
+  const thread3 = PerformanceController.getCurrentRecording().getProfile()
+    .threads[0];
+  const rendering3 = FlameGraphUtils._cache.get(thread3);
+
+  is(
+    thread2,
+    thread3,
+    "The same samples data should be retrieved from the controller (2)."
+  );
+  isnot(
+    rendering2,
+    rendering3,
+    "The rendering data should be different because other options were used (2)."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-options-flatten-tree-recursion-02.js b/devtools/client/performance/test/browser_perf-options-flatten-tree-recursion-02.js
new file mode 100644
index 0000000000..d7e8a0cc06
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-options-flatten-tree-recursion-02.js
@@ -0,0 +1,124 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the memory flamegraphs get rerendered when toggling
+ * `flatten-tree-recursion`.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  UI_FLATTEN_RECURSION_PREF,
+  UI_ENABLE_ALLOCATIONS_PREF,
+} = require("devtools/client/performance/test/helpers/prefs");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const {
+    EVENTS,
+    PerformanceController,
+    DetailsView,
+    MemoryFlameGraphView,
+  } = panel.panelWin;
+
+  const {
+    FlameGraphUtils,
+  } = require("devtools/client/shared/widgets/FlameGraph");
+  const RecordingUtils = require("devtools/shared/performance/recording-utils");
+
+  // Enable memory to test
+  Services.prefs.setBoolPref(UI_ENABLE_ALLOCATIONS_PREF, true);
+  Services.prefs.setBoolPref(UI_FLATTEN_RECURSION_PREF, true);
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  let rendered = once(
+    MemoryFlameGraphView,
+    EVENTS.UI_MEMORY_FLAMEGRAPH_RENDERED
+  );
+  await DetailsView.selectView("memory-flamegraph");
+  await rendered;
+
+  const allocations1 = PerformanceController.getCurrentRecording().getAllocations();
+  const thread1 = RecordingUtils.getProfileThreadFromAllocations(allocations1);
+  const rendering1 = FlameGraphUtils._cache.get(thread1);
+
+  ok(allocations1, "The allocations were retrieved from the controller.");
+  ok(thread1, "The allocations profile was synthesized by the utility funcs.");
+  ok(rendering1, "The rendering data was cached.");
+
+  rendered = once(MemoryFlameGraphView, EVENTS.UI_MEMORY_FLAMEGRAPH_RENDERED);
+  Services.prefs.setBoolPref(UI_FLATTEN_RECURSION_PREF, false);
+  await rendered;
+  ok(
+    true,
+    "MemoryFlameGraphView rerendered when toggling flatten-tree-recursion."
+  );
+
+  const allocations2 = PerformanceController.getCurrentRecording().getAllocations();
+  const thread2 = RecordingUtils.getProfileThreadFromAllocations(allocations2);
+  const rendering2 = FlameGraphUtils._cache.get(thread2);
+
+  is(
+    allocations1,
+    allocations2,
+    "The same allocations data should be retrieved from the controller (1)."
+  );
+  is(
+    thread1,
+    thread2,
+    "The same allocations profile should be retrieved from the utility funcs. (1)."
+  );
+  isnot(
+    rendering1,
+    rendering2,
+    "The rendering data should be different because other options were used (1)."
+  );
+
+  rendered = once(MemoryFlameGraphView, EVENTS.UI_MEMORY_FLAMEGRAPH_RENDERED);
+  Services.prefs.setBoolPref(UI_FLATTEN_RECURSION_PREF, true);
+  await rendered;
+  ok(
+    true,
+    "MemoryFlameGraphView rerendered when toggling back flatten-tree-recursion."
+  );
+
+  const allocations3 = PerformanceController.getCurrentRecording().getAllocations();
+  const thread3 = RecordingUtils.getProfileThreadFromAllocations(allocations3);
+  const rendering3 = FlameGraphUtils._cache.get(thread3);
+
+  is(
+    allocations2,
+    allocations3,
+    "The same allocations data should be retrieved from the controller (2)."
+  );
+  is(
+    thread2,
+    thread3,
+    "The same allocations profile should be retrieved from the utility funcs. (2)."
+  );
+  isnot(
+    rendering2,
+    rendering3,
+    "The rendering data should be different because other options were used (2)."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-options-invert-call-tree-01.js b/devtools/client/performance/test/browser_perf-options-invert-call-tree-01.js
new file mode 100644
index 0000000000..65fcd4f866
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-options-invert-call-tree-01.js
@@ -0,0 +1,53 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the js call tree views get rerendered when toggling `invert-call-tree`.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  UI_INVERT_CALL_TREE_PREF,
+} = require("devtools/client/performance/test/helpers/prefs");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { EVENTS, DetailsView, JsCallTreeView } = panel.panelWin;
+
+  Services.prefs.setBoolPref(UI_INVERT_CALL_TREE_PREF, true);
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  let rendered = once(JsCallTreeView, EVENTS.UI_JS_CALL_TREE_RENDERED);
+  await DetailsView.selectView("js-calltree");
+  await rendered;
+
+  rendered = once(JsCallTreeView, EVENTS.UI_JS_CALL_TREE_RENDERED);
+  Services.prefs.setBoolPref(UI_INVERT_CALL_TREE_PREF, false);
+  await rendered;
+  ok(true, "JsCallTreeView rerendered when toggling invert-call-tree.");
+
+  rendered = once(JsCallTreeView, EVENTS.UI_JS_CALL_TREE_RENDERED);
+  Services.prefs.setBoolPref(UI_INVERT_CALL_TREE_PREF, true);
+  await rendered;
+  ok(true, "JsCallTreeView rerendered when toggling back invert-call-tree.");
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-options-invert-call-tree-02.js b/devtools/client/performance/test/browser_perf-options-invert-call-tree-02.js
new file mode 100644
index 0000000000..c594e9624e
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-options-invert-call-tree-02.js
@@ -0,0 +1,59 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the memory call tree views get rerendered when toggling `invert-call-tree`.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  UI_ENABLE_ALLOCATIONS_PREF,
+  UI_INVERT_CALL_TREE_PREF,
+} = require("devtools/client/performance/test/helpers/prefs");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { EVENTS, DetailsView, MemoryCallTreeView } = panel.panelWin;
+
+  // Enable allocations to test.
+  Services.prefs.setBoolPref(UI_ENABLE_ALLOCATIONS_PREF, true);
+  Services.prefs.setBoolPref(UI_INVERT_CALL_TREE_PREF, true);
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  let rendered = once(MemoryCallTreeView, EVENTS.UI_MEMORY_CALL_TREE_RENDERED);
+  await DetailsView.selectView("memory-calltree");
+  await rendered;
+
+  rendered = once(MemoryCallTreeView, EVENTS.UI_MEMORY_CALL_TREE_RENDERED);
+  Services.prefs.setBoolPref(UI_INVERT_CALL_TREE_PREF, false);
+  await rendered;
+  ok(true, "MemoryCallTreeView rerendered when toggling invert-call-tree.");
+
+  rendered = once(MemoryCallTreeView, EVENTS.UI_MEMORY_CALL_TREE_RENDERED);
+  Services.prefs.setBoolPref(UI_INVERT_CALL_TREE_PREF, true);
+  await rendered;
+  ok(
+    true,
+    "MemoryCallTreeView rerendered when toggling back invert-call-tree."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-options-invert-flame-graph-01.js b/devtools/client/performance/test/browser_perf-options-invert-flame-graph-01.js
new file mode 100644
index 0000000000..1416a59df4
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-options-invert-flame-graph-01.js
@@ -0,0 +1,53 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the js flamegraphs views get rerendered when toggling `invert-flame-graph`.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  UI_INVERT_FLAME_PREF,
+} = require("devtools/client/performance/test/helpers/prefs");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { EVENTS, DetailsView, JsFlameGraphView } = panel.panelWin;
+
+  Services.prefs.setBoolPref(UI_INVERT_FLAME_PREF, true);
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  let rendered = once(JsFlameGraphView, EVENTS.UI_JS_FLAMEGRAPH_RENDERED);
+  await DetailsView.selectView("js-flamegraph");
+  await rendered;
+
+  rendered = once(JsFlameGraphView, EVENTS.UI_JS_FLAMEGRAPH_RENDERED);
+  Services.prefs.setBoolPref(UI_INVERT_FLAME_PREF, false);
+  await rendered;
+  ok(true, "JsFlameGraphView rerendered when toggling invert-call-tree.");
+
+  rendered = once(JsFlameGraphView, EVENTS.UI_JS_FLAMEGRAPH_RENDERED);
+  Services.prefs.setBoolPref(UI_INVERT_FLAME_PREF, true);
+  await rendered;
+  ok(true, "JsFlameGraphView rerendered when toggling back invert-call-tree.");
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-options-invert-flame-graph-02.js b/devtools/client/performance/test/browser_perf-options-invert-flame-graph-02.js
new file mode 100644
index 0000000000..a968c17c68
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-options-invert-flame-graph-02.js
@@ -0,0 +1,63 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the memory flamegraphs views get rerendered when toggling
+ * `invert-flame-graph`.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  UI_ENABLE_ALLOCATIONS_PREF,
+  UI_INVERT_FLAME_PREF,
+} = require("devtools/client/performance/test/helpers/prefs");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { EVENTS, DetailsView, MemoryFlameGraphView } = panel.panelWin;
+
+  // Enable allocations to test.
+  Services.prefs.setBoolPref(UI_ENABLE_ALLOCATIONS_PREF, true);
+  Services.prefs.setBoolPref(UI_INVERT_FLAME_PREF, true);
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  let rendered = once(
+    MemoryFlameGraphView,
+    EVENTS.UI_MEMORY_FLAMEGRAPH_RENDERED
+  );
+  await DetailsView.selectView("memory-flamegraph");
+  await rendered;
+
+  rendered = once(MemoryFlameGraphView, EVENTS.UI_MEMORY_FLAMEGRAPH_RENDERED);
+  Services.prefs.setBoolPref(UI_INVERT_FLAME_PREF, false);
+  await rendered;
+  ok(true, "MemoryFlameGraphView rerendered when toggling invert-call-tree.");
+
+  rendered = once(MemoryFlameGraphView, EVENTS.UI_MEMORY_FLAMEGRAPH_RENDERED);
+  Services.prefs.setBoolPref(UI_INVERT_FLAME_PREF, true);
+  await rendered;
+  ok(
+    true,
+    "MemoryFlameGraphView rerendered when toggling back invert-call-tree."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-options-propagate-allocations.js b/devtools/client/performance/test/browser_perf-options-propagate-allocations.js
new file mode 100644
index 0000000000..330085f9db
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-options-propagate-allocations.js
@@ -0,0 +1,56 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that setting the `devtools.performance.memory.` prefs propagate to
+ * the memory actor.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  MEMORY_SAMPLE_PROB_PREF,
+  MEMORY_MAX_LOG_LEN_PREF,
+  UI_ENABLE_ALLOCATIONS_PREF,
+} = require("devtools/client/performance/test/helpers/prefs");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+
+add_task(async function() {
+  const { panel, toolbox } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  // Enable allocations to test.
+  Services.prefs.setBoolPref(UI_ENABLE_ALLOCATIONS_PREF, true);
+  Services.prefs.setCharPref(MEMORY_SAMPLE_PROB_PREF, "0.213");
+  Services.prefs.setIntPref(MEMORY_MAX_LOG_LEN_PREF, 777777);
+
+  await startRecording(panel);
+  const performanceFront = await toolbox.target.getFront("performance");
+  const {
+    probability,
+    maxLogLength,
+  } = await performanceFront.getConfiguration();
+  await stopRecording(panel);
+
+  is(
+    probability,
+    0.213,
+    "The allocations probability option is set on memory actor."
+  );
+  is(
+    maxLogLength,
+    777777,
+    "The allocations max log length option is set on memory actor."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-options-propagate-profiler.js b/devtools/client/performance/test/browser_perf-options-propagate-profiler.js
new file mode 100644
index 0000000000..2a969d353a
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-options-propagate-profiler.js
@@ -0,0 +1,42 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that setting the `devtools.performance.profiler.` prefs propagate
+ * to the profiler actor.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  PROFILER_BUFFER_SIZE_PREF,
+  PROFILER_SAMPLE_RATE_PREF,
+} = require("devtools/client/performance/test/helpers/prefs");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+
+add_task(async function() {
+  const { panel, toolbox } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  Services.prefs.setIntPref(PROFILER_BUFFER_SIZE_PREF, 1000);
+  Services.prefs.setIntPref(PROFILER_SAMPLE_RATE_PREF, 2000);
+
+  await startRecording(panel);
+  const performanceFront = await toolbox.target.getFront("performance");
+  const { entries, interval } = await performanceFront.getConfiguration();
+  await stopRecording(panel);
+
+  is(entries, 1000, "profiler entries option is set on profiler");
+  is(interval, 0.5, "profiler interval option is set on profiler");
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-options-show-idle-blocks-01.js b/devtools/client/performance/test/browser_perf-options-show-idle-blocks-01.js
new file mode 100644
index 0000000000..b62e13c794
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-options-show-idle-blocks-01.js
@@ -0,0 +1,53 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the js flamegraphs get rerendered when toggling `show-idle-blocks`.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  UI_SHOW_IDLE_BLOCKS_PREF,
+} = require("devtools/client/performance/test/helpers/prefs");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { EVENTS, DetailsView, JsFlameGraphView } = panel.panelWin;
+
+  Services.prefs.setBoolPref(UI_SHOW_IDLE_BLOCKS_PREF, true);
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  let rendered = once(JsFlameGraphView, EVENTS.UI_JS_FLAMEGRAPH_RENDERED);
+  await DetailsView.selectView("js-flamegraph");
+  await rendered;
+
+  rendered = once(JsFlameGraphView, EVENTS.UI_JS_FLAMEGRAPH_RENDERED);
+  Services.prefs.setBoolPref(UI_SHOW_IDLE_BLOCKS_PREF, false);
+  await rendered;
+  ok(true, "JsFlameGraphView rerendered when toggling show-idle-blocks.");
+
+  rendered = once(JsFlameGraphView, EVENTS.UI_JS_FLAMEGRAPH_RENDERED);
+  Services.prefs.setBoolPref(UI_SHOW_IDLE_BLOCKS_PREF, true);
+  await rendered;
+  ok(true, "JsFlameGraphView rerendered when toggling back show-idle-blocks.");
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-options-show-idle-blocks-02.js b/devtools/client/performance/test/browser_perf-options-show-idle-blocks-02.js
new file mode 100644
index 0000000000..fbc500f9fb
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-options-show-idle-blocks-02.js
@@ -0,0 +1,62 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the memory flamegraphs get rerendered when toggling `show-idle-blocks`.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  UI_ENABLE_ALLOCATIONS_PREF,
+  UI_SHOW_IDLE_BLOCKS_PREF,
+} = require("devtools/client/performance/test/helpers/prefs");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { EVENTS, DetailsView, MemoryFlameGraphView } = panel.panelWin;
+
+  // Enable allocations to test.
+  Services.prefs.setBoolPref(UI_ENABLE_ALLOCATIONS_PREF, true);
+  Services.prefs.setBoolPref(UI_SHOW_IDLE_BLOCKS_PREF, true);
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  let rendered = once(
+    MemoryFlameGraphView,
+    EVENTS.UI_MEMORY_FLAMEGRAPH_RENDERED
+  );
+  await DetailsView.selectView("memory-flamegraph");
+  await rendered;
+
+  rendered = once(MemoryFlameGraphView, EVENTS.UI_MEMORY_FLAMEGRAPH_RENDERED);
+  Services.prefs.setBoolPref(UI_SHOW_IDLE_BLOCKS_PREF, false);
+  await rendered;
+  ok(true, "MemoryFlameGraphView rerendered when toggling show-idle-blocks.");
+
+  rendered = once(MemoryFlameGraphView, EVENTS.UI_MEMORY_FLAMEGRAPH_RENDERED);
+  Services.prefs.setBoolPref(UI_SHOW_IDLE_BLOCKS_PREF, true);
+  await rendered;
+  ok(
+    true,
+    "MemoryFlameGraphView rerendered when toggling back show-idle-blocks."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-options-show-jit-optimizations.js b/devtools/client/performance/test/browser_perf-options-show-jit-optimizations.js
new file mode 100644
index 0000000000..62cf4b15eb
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-options-show-jit-optimizations.js
@@ -0,0 +1,303 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+/* eslint-disable */
+// Bug 1235788, increase time out of this test
+requestLongerTimeout(2);
+
+/**
+ * Tests that the JIT Optimizations view renders optimization data
+ * if on, and displays selected frames on focus.
+ */
+const {
+  setSelectedRecording,
+} = require("devtools/client/performance/test/helpers/recording-utils");
+Services.prefs.setBoolPref(INVERT_PREF, false);
+
+async function spawnTest() {
+  let { panel } = await initPerformance(SIMPLE_URL);
+  let { EVENTS, $, $$, window, PerformanceController } = panel.panelWin;
+  let {
+    OverviewView,
+    DetailsView,
+    OptimizationsListView,
+    JsCallTreeView,
+  } = panel.panelWin;
+
+  let profilerData = { threads: [gThread] };
+
+  is(
+    Services.prefs.getBoolPref(JIT_PREF),
+    false,
+    "record JIT Optimizations pref off by default"
+  );
+  Services.prefs.setBoolPref(JIT_PREF, true);
+  is(
+    Services.prefs.getBoolPref(JIT_PREF),
+    true,
+    "toggle on record JIT Optimizations"
+  );
+
+  // Make two recordings, so we have one to switch to later, as the
+  // second one will have fake sample data
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  await DetailsView.selectView("js-calltree");
+
+  await injectAndRenderProfilerData();
+
+  is(
+    $("#jit-optimizations-view").classList.contains("hidden"),
+    true,
+    "JIT Optimizations should be hidden when pref is on, but no frame selected"
+  );
+
+  // A is never a leaf, so it's optimizations should not be shown.
+  await checkFrame(1);
+
+  // gRawSite2 and gRawSite3 are both optimizations on B, so they'll have
+  // indices in descending order of # of samples.
+  await checkFrame(2, true);
+
+  // Leaf node (C) with no optimizations should not display any opts.
+  await checkFrame(3);
+
+  // Select the node with optimizations and change to a new recording
+  // to ensure the opts view is cleared
+  let rendered = once(JsCallTreeView, "focus");
+  await mousedown(window, $$(".call-tree-item")[2]);
+  await rendered;
+  let isHidden = $("#jit-optimizations-view").classList.contains("hidden");
+  ok(!isHidden, "opts view should be visible when selecting a frame with opts");
+
+  let select = once(PerformanceController, EVENTS.RECORDING_SELECTED);
+  rendered = once(JsCallTreeView, EVENTS.UI_JS_CALL_TREE_RENDERED);
+  setSelectedRecording(panel, 0);
+  await Promise.all([select, rendered]);
+
+  isHidden = $("#jit-optimizations-view").classList.contains("hidden");
+  ok(isHidden, "opts view is hidden when switching recordings");
+
+  rendered = once(JsCallTreeView, EVENTS.UI_JS_CALL_TREE_RENDERED);
+  setSelectedRecording(panel, 1);
+  await rendered;
+
+  rendered = once(JsCallTreeView, "focus");
+  await mousedown(window, $$(".call-tree-item")[2]);
+  await rendered;
+  isHidden = $("#jit-optimizations-view").classList.contains("hidden");
+  ok(!isHidden, "opts view should be visible when selecting a frame with opts");
+
+  rendered = once(JsCallTreeView, EVENTS.UI_JS_CALL_TREE_RENDERED);
+  Services.prefs.setBoolPref(JIT_PREF, false);
+  await rendered;
+  ok(true, "call tree rerendered when JIT pref changes");
+  isHidden = $("#jit-optimizations-view").classList.contains("hidden");
+  ok(isHidden, "opts view hidden when toggling off jit pref");
+
+  rendered = once(JsCallTreeView, "focus");
+  await mousedown(window, $$(".call-tree-item")[2]);
+  await rendered;
+  isHidden = $("#jit-optimizations-view").classList.contains("hidden");
+  ok(
+    isHidden,
+    "opts view hidden when jit pref off and selecting a frame with opts"
+  );
+
+  await teardown(panel);
+  finish();
+
+  async function injectAndRenderProfilerData() {
+    // Get current recording and inject our mock data
+    info("Injecting mock profile data");
+    let recording = PerformanceController.getCurrentRecording();
+    recording._profile = profilerData;
+
+    // Force a rerender
+    let rendered = once(JsCallTreeView, EVENTS.UI_JS_CALL_TREE_RENDERED);
+    JsCallTreeView.render(OverviewView.getTimeInterval());
+    await rendered;
+  }
+
+  async function checkFrame(frameIndex, hasOpts) {
+    info(`Checking frame ${frameIndex}`);
+    // Click the frame
+    let rendered = once(JsCallTreeView, "focus");
+    await mousedown(window, $$(".call-tree-item")[frameIndex]);
+    await rendered;
+
+    let isHidden = $("#jit-optimizations-view").classList.contains("hidden");
+    if (hasOpts) {
+      ok(
+        !isHidden,
+        "JIT Optimizations view is not hidden if current frame has opts."
+      );
+    } else {
+      ok(
+        isHidden,
+        "JIT Optimizations view is hidden if current frame does not have opts"
+      );
+    }
+  }
+}
+
+var gUniqueStacks = new RecordingUtils.UniqueStacks();
+
+function uniqStr(s) {
+  return gUniqueStacks.getOrAddStringIndex(s);
+}
+
+// Since deflateThread doesn't handle deflating optimization info, use
+// placeholder names A_O1, B_O2, and B_O3, which will be used to manually
+// splice deduped opts into the profile.
+var gThread = RecordingUtils.deflateThread(
+  {
+    samples: [
+      {
+        time: 0,
+        frames: [{ location: "(root)" }],
+      },
+      {
+        time: 5,
+        frames: [
+          { location: "(root)" },
+          { location: "A_O1" },
+          { location: "B_O2" },
+          { location: "C (http://foo/bar/baz:56)" },
+        ],
+      },
+      {
+        time: 5 + 1,
+        frames: [
+          { location: "(root)" },
+          { location: "A (http://foo/bar/baz:12)" },
+          { location: "B_O2" },
+        ],
+      },
+      {
+        time: 5 + 1 + 2,
+        frames: [
+          { location: "(root)" },
+          { location: "A_O1" },
+          { location: "B_O3" },
+        ],
+      },
+      {
+        time: 5 + 1 + 2 + 7,
+        frames: [
+          { location: "(root)" },
+          { location: "A_O1" },
+          { location: "E (http://foo/bar/baz:90)" },
+          { location: "F (http://foo/bar/baz:99)" },
+        ],
+      },
+    ],
+    markers: [],
+  },
+  gUniqueStacks
+);
+
+// 3 RawOptimizationSites
+var gRawSite1 = {
+  _testFrameInfo: { name: "A", line: "12", file: "@baz" },
+  line: 12,
+  column: 2,
+  types: [
+    {
+      mirType: uniqStr("Object"),
+      site: uniqStr("A (http://foo/bar/bar:12)"),
+      typeset: [
+        {
+          keyedBy: uniqStr("constructor"),
+          name: uniqStr("Foo"),
+          location: uniqStr("A (http://foo/bar/baz:12)"),
+        },
+        {
+          keyedBy: uniqStr("primitive"),
+          location: uniqStr("self-hosted"),
+        },
+      ],
+    },
+  ],
+  attempts: {
+    schema: {
+      outcome: 0,
+      strategy: 1,
+    },
+    data: [
+      [uniqStr("Failure1"), uniqStr("SomeGetter1")],
+      [uniqStr("Failure2"), uniqStr("SomeGetter2")],
+      [uniqStr("Failure3"), uniqStr("SomeGetter3")],
+    ],
+  },
+};
+
+var gRawSite2 = {
+  _testFrameInfo: { name: "B", line: "10", file: "@boo" },
+  line: 40,
+  types: [
+    {
+      mirType: uniqStr("Int32"),
+      site: uniqStr("Receiver"),
+    },
+  ],
+  attempts: {
+    schema: {
+      outcome: 0,
+      strategy: 1,
+    },
+    data: [
+      [uniqStr("Failure1"), uniqStr("SomeGetter1")],
+      [uniqStr("Failure2"), uniqStr("SomeGetter2")],
+      [uniqStr("Inlined"), uniqStr("SomeGetter3")],
+    ],
+  },
+};
+
+var gRawSite3 = {
+  _testFrameInfo: { name: "B", line: "10", file: "@boo" },
+  line: 34,
+  types: [
+    {
+      mirType: uniqStr("Int32"),
+      site: uniqStr("Receiver"),
+    },
+  ],
+  attempts: {
+    schema: {
+      outcome: 0,
+      strategy: 1,
+    },
+    data: [
+      [uniqStr("Failure1"), uniqStr("SomeGetter1")],
+      [uniqStr("Failure2"), uniqStr("SomeGetter2")],
+      [uniqStr("Failure3"), uniqStr("SomeGetter3")],
+    ],
+  },
+};
+
+gThread.frameTable.data.forEach(frame => {
+  const LOCATION_SLOT = gThread.frameTable.schema.location;
+  const OPTIMIZATIONS_SLOT = gThread.frameTable.schema.optimizations;
+
+  let l = gThread.stringTable[frame[LOCATION_SLOT]];
+  switch (l) {
+    case "A_O1":
+      frame[LOCATION_SLOT] = uniqStr("A (http://foo/bar/baz:12)");
+      frame[OPTIMIZATIONS_SLOT] = gRawSite1;
+      break;
+    case "B_O2":
+      frame[LOCATION_SLOT] = uniqStr("B (http://foo/bar/boo:10)");
+      frame[OPTIMIZATIONS_SLOT] = gRawSite2;
+      break;
+    case "B_O3":
+      frame[LOCATION_SLOT] = uniqStr("B (http://foo/bar/boo:10)");
+      frame[OPTIMIZATIONS_SLOT] = gRawSite3;
+      break;
+  }
+});
+/* eslint-enable */
diff --git a/devtools/client/performance/test/browser_perf-options-show-platform-data-01.js b/devtools/client/performance/test/browser_perf-options-show-platform-data-01.js
new file mode 100644
index 0000000000..0f0d9f4ced
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-options-show-platform-data-01.js
@@ -0,0 +1,53 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the js call tree views get rerendered when toggling `show-platform-data`.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  UI_SHOW_PLATFORM_DATA_PREF,
+} = require("devtools/client/performance/test/helpers/prefs");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { EVENTS, DetailsView, JsCallTreeView } = panel.panelWin;
+
+  Services.prefs.setBoolPref(UI_SHOW_PLATFORM_DATA_PREF, true);
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  let rendered = once(JsCallTreeView, EVENTS.UI_JS_CALL_TREE_RENDERED);
+  await DetailsView.selectView("js-calltree");
+  await rendered;
+
+  rendered = once(JsCallTreeView, EVENTS.UI_JS_CALL_TREE_RENDERED);
+  Services.prefs.setBoolPref(UI_SHOW_PLATFORM_DATA_PREF, false);
+  await rendered;
+  ok(true, "JsCallTreeView rerendered when toggling show-idle-blocks.");
+
+  rendered = once(JsCallTreeView, EVENTS.UI_JS_CALL_TREE_RENDERED);
+  Services.prefs.setBoolPref(UI_SHOW_PLATFORM_DATA_PREF, true);
+  await rendered;
+  ok(true, "JsCallTreeView rerendered when toggling back show-idle-blocks.");
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-options-show-platform-data-02.js b/devtools/client/performance/test/browser_perf-options-show-platform-data-02.js
new file mode 100644
index 0000000000..63317baf70
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-options-show-platform-data-02.js
@@ -0,0 +1,53 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the js flamegraphs views get rerendered when toggling `show-platform-data`.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  UI_SHOW_PLATFORM_DATA_PREF,
+} = require("devtools/client/performance/test/helpers/prefs");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { EVENTS, DetailsView, JsFlameGraphView } = panel.panelWin;
+
+  Services.prefs.setBoolPref(UI_SHOW_PLATFORM_DATA_PREF, true);
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  let rendered = once(JsFlameGraphView, EVENTS.UI_JS_FLAMEGRAPH_RENDERED);
+  await DetailsView.selectView("js-flamegraph");
+  await rendered;
+
+  rendered = once(JsFlameGraphView, EVENTS.UI_JS_FLAMEGRAPH_RENDERED);
+  Services.prefs.setBoolPref(UI_SHOW_PLATFORM_DATA_PREF, false);
+  await rendered;
+  ok(true, "JsFlameGraphView rerendered when toggling show-idle-blocks.");
+
+  rendered = once(JsFlameGraphView, EVENTS.UI_JS_FLAMEGRAPH_RENDERED);
+  Services.prefs.setBoolPref(UI_SHOW_PLATFORM_DATA_PREF, true);
+  await rendered;
+  ok(true, "JsFlameGraphView rerendered when toggling back show-idle-blocks.");
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-overview-render-01.js b/devtools/client/performance/test/browser_perf-overview-render-01.js
new file mode 100644
index 0000000000..49eaafe1b3
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-overview-render-01.js
@@ -0,0 +1,42 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the overview continuously renders content when recording.
+ */
+
+const { Constants } = require("devtools/client/performance/modules/constants");
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  times,
+} = require("devtools/client/performance/test/helpers/event-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { EVENTS, OverviewView } = panel.panelWin;
+
+  await startRecording(panel);
+
+  // Ensure overview keeps rendering.
+  await times(OverviewView, EVENTS.UI_OVERVIEW_RENDERED, 3, {
+    expectedArgs: [Constants.FRAMERATE_GRAPH_LOW_RES_INTERVAL],
+  });
+
+  ok(true, "Overview was rendered while recording.");
+
+  await stopRecording(panel);
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-overview-render-02.js b/devtools/client/performance/test/browser_perf-overview-render-02.js
new file mode 100644
index 0000000000..bc517ff170
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-overview-render-02.js
@@ -0,0 +1,158 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the overview graphs cannot be selected during recording
+ * and that they're cleared upon rerecording.
+ */
+
+const { Constants } = require("devtools/client/performance/modules/constants");
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  UI_ENABLE_MEMORY_PREF,
+} = require("devtools/client/performance/test/helpers/prefs");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  times,
+} = require("devtools/client/performance/test/helpers/event-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { EVENTS, OverviewView } = panel.panelWin;
+
+  // Enable memory to test.
+  Services.prefs.setBoolPref(UI_ENABLE_MEMORY_PREF, true);
+
+  await startRecording(panel);
+
+  const framerate = OverviewView.graphs.get("framerate");
+  const markers = OverviewView.graphs.get("timeline");
+  const memory = OverviewView.graphs.get("memory");
+
+  ok(
+    "selectionEnabled" in framerate,
+    "The selection should not be enabled for the framerate overview (1)."
+  );
+  is(
+    framerate.selectionEnabled,
+    false,
+    "The selection should not be enabled for the framerate overview (2)."
+  );
+  is(
+    framerate.hasSelection(),
+    false,
+    "The framerate overview shouldn't have a selection before recording."
+  );
+
+  ok(
+    "selectionEnabled" in markers,
+    "The selection should not be enabled for the markers overview (1)."
+  );
+  is(
+    markers.selectionEnabled,
+    false,
+    "The selection should not be enabled for the markers overview (2)."
+  );
+  is(
+    markers.hasSelection(),
+    false,
+    "The markers overview shouldn't have a selection before recording."
+  );
+
+  ok(
+    "selectionEnabled" in memory,
+    "The selection should not be enabled for the memory overview (1)."
+  );
+  is(
+    memory.selectionEnabled,
+    false,
+    "The selection should not be enabled for the memory overview (2)."
+  );
+  is(
+    memory.hasSelection(),
+    false,
+    "The memory overview shouldn't have a selection before recording."
+  );
+
+  // Ensure overview keeps rendering.
+  await times(OverviewView, EVENTS.UI_OVERVIEW_RENDERED, 3, {
+    expectedArgs: [Constants.FRAMERATE_GRAPH_LOW_RES_INTERVAL],
+  });
+
+  ok(
+    "selectionEnabled" in framerate,
+    "The selection should still not be enabled for the framerate overview (1)."
+  );
+  is(
+    framerate.selectionEnabled,
+    false,
+    "The selection should still not be enabled for the framerate overview (2)."
+  );
+  is(
+    framerate.hasSelection(),
+    false,
+    "The framerate overview still shouldn't have a selection before recording."
+  );
+
+  ok(
+    "selectionEnabled" in markers,
+    "The selection should still not be enabled for the markers overview (1)."
+  );
+  is(
+    markers.selectionEnabled,
+    false,
+    "The selection should still not be enabled for the markers overview (2)."
+  );
+  is(
+    markers.hasSelection(),
+    false,
+    "The markers overview still shouldn't have a selection before recording."
+  );
+
+  ok(
+    "selectionEnabled" in memory,
+    "The selection should still not be enabled for the memory overview (1)."
+  );
+  is(
+    memory.selectionEnabled,
+    false,
+    "The selection should still not be enabled for the memory overview (2)."
+  );
+  is(
+    memory.hasSelection(),
+    false,
+    "The memory overview still shouldn't have a selection before recording."
+  );
+
+  await stopRecording(panel);
+
+  is(
+    framerate.selectionEnabled,
+    true,
+    "The selection should now be enabled for the framerate overview."
+  );
+  is(
+    markers.selectionEnabled,
+    true,
+    "The selection should now be enabled for the markers overview."
+  );
+  is(
+    memory.selectionEnabled,
+    true,
+    "The selection should now be enabled for the memory overview."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-overview-render-03.js b/devtools/client/performance/test/browser_perf-overview-render-03.js
new file mode 100644
index 0000000000..05968827ea
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-overview-render-03.js
@@ -0,0 +1,114 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the overview graphs share the exact same width and scaling.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  UI_ENABLE_MEMORY_PREF,
+} = require("devtools/client/performance/test/helpers/prefs");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  waitUntil,
+} = require("devtools/client/performance/test/helpers/wait-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { PerformanceController, OverviewView } = panel.panelWin;
+
+  // Enable memory to test.
+  Services.prefs.setBoolPref(UI_ENABLE_MEMORY_PREF, true);
+
+  const doChecks = () => {
+    const markers = OverviewView.graphs.get("timeline");
+    const framerate = OverviewView.graphs.get("framerate");
+    const memory = OverviewView.graphs.get("memory");
+
+    ok(markers.width > 0, "The overview's markers graph has a width.");
+    ok(
+      markers.dataScaleX > 0,
+      "The overview's markers graph has a data scale factor."
+    );
+
+    ok(memory.width > 0, "The overview's memory graph has a width.");
+    ok(
+      memory.dataDuration > 0,
+      "The overview's memory graph has a data duration."
+    );
+    ok(
+      memory.dataScaleX > 0,
+      "The overview's memory graph has a data scale factor."
+    );
+
+    ok(framerate.width > 0, "The overview's framerate graph has a width.");
+    ok(
+      framerate.dataDuration > 0,
+      "The overview's framerate graph has a data duration."
+    );
+    ok(
+      framerate.dataScaleX > 0,
+      "The overview's framerate graph has a data scale factor."
+    );
+
+    is(
+      markers.width,
+      memory.width,
+      "The markers and memory graphs widths are the same."
+    );
+    is(
+      markers.width,
+      framerate.width,
+      "The markers and framerate graphs widths are the same."
+    );
+
+    is(
+      memory.dataDuration,
+      framerate.dataDuration,
+      "The memory and framerate graphs data duration are the same."
+    );
+
+    is(
+      markers.dataScaleX,
+      memory.dataScaleX,
+      "The markers and memory graphs data scale are the same."
+    );
+    is(
+      markers.dataScaleX,
+      framerate.dataScaleX,
+      "The markers and framerate graphs data scale are the same."
+    );
+  };
+
+  await startRecording(panel);
+  doChecks();
+
+  await waitUntil(
+    () => PerformanceController.getCurrentRecording().getMarkers().length
+  );
+  await waitUntil(
+    () => PerformanceController.getCurrentRecording().getMemory().length
+  );
+  await waitUntil(
+    () => PerformanceController.getCurrentRecording().getTicks().length
+  );
+  doChecks();
+
+  await stopRecording(panel);
+  doChecks();
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-overview-render-04.js b/devtools/client/performance/test/browser_perf-overview-render-04.js
new file mode 100644
index 0000000000..e4b156ed83
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-overview-render-04.js
@@ -0,0 +1,106 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the overview graphs do not render when realtime rendering is off
+ * due to lack of e10s.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  UI_ENABLE_MEMORY_PREF,
+} = require("devtools/client/performance/test/helpers/prefs");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  waitUntil,
+} = require("devtools/client/performance/test/helpers/wait-utils");
+const {
+  isVisible,
+} = require("devtools/client/performance/test/helpers/dom-utils");
+const {
+  setSelectedRecording,
+} = require("devtools/client/performance/test/helpers/recording-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { $, EVENTS, PerformanceController, OverviewView } = panel.panelWin;
+
+  // Enable memory to test.
+  Services.prefs.setBoolPref(UI_ENABLE_MEMORY_PREF, true);
+
+  // Set realtime rendering off.
+  OverviewView.isRealtimeRenderingEnabled = () => false;
+
+  let updated = 0;
+  OverviewView.on(EVENTS.UI_OVERVIEW_RENDERED, () => updated++);
+
+  await startRecording(panel, { skipWaitingForOverview: true });
+
+  is(isVisible($("#overview-pane")), false, "Overview graphs hidden.");
+  is(updated, 0, "Overview graphs have not been updated");
+
+  await waitUntil(
+    () => PerformanceController.getCurrentRecording().getMarkers().length
+  );
+  await waitUntil(
+    () => PerformanceController.getCurrentRecording().getMemory().length
+  );
+  await waitUntil(
+    () => PerformanceController.getCurrentRecording().getTicks().length
+  );
+  is(isVisible($("#overview-pane")), false, "Overview graphs still hidden.");
+  is(updated, 0, "Overview graphs have still not been updated");
+
+  await stopRecording(panel);
+
+  is(isVisible($("#overview-pane")), true, "Overview graphs no longer hidden.");
+  is(updated, 1, "Overview graphs rendered upon completion.");
+
+  await startRecording(panel, { skipWaitingForOverview: true });
+
+  is(
+    isVisible($("#overview-pane")),
+    false,
+    "Overview graphs hidden again when starting new recording."
+  );
+  is(updated, 1, "Overview graphs have not been updated again.");
+
+  setSelectedRecording(panel, 0);
+  is(
+    isVisible($("#overview-pane")),
+    true,
+    "Overview graphs no longer hidden when switching back to complete recording."
+  );
+  is(updated, 1, "Overview graphs have not been updated again.");
+
+  setSelectedRecording(panel, 1);
+  is(
+    isVisible($("#overview-pane")),
+    false,
+    "Overview graphs hidden again when going back to inprogress recording."
+  );
+  is(updated, 1, "Overview graphs have not been updated again.");
+
+  await stopRecording(panel);
+
+  is(
+    isVisible($("#overview-pane")),
+    true,
+    "overview graphs no longer hidden when recording finishes"
+  );
+  is(updated, 2, "Overview graphs rendered again upon completion.");
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-overview-selection-01.js b/devtools/client/performance/test/browser_perf-overview-selection-01.js
new file mode 100644
index 0000000000..17d9516bfc
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-overview-selection-01.js
@@ -0,0 +1,97 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that events are fired from selection manipulation.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+const {
+  dragStartCanvasGraph,
+  dragStopCanvasGraph,
+  clickCanvasGraph,
+} = require("devtools/client/performance/test/helpers/input-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { EVENTS, PerformanceController, OverviewView } = panel.panelWin;
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  const duration = PerformanceController.getCurrentRecording().getDuration();
+  const graph = OverviewView.graphs.get("timeline");
+
+  // Select the first half of the graph.
+
+  let rangeSelected = once(OverviewView, EVENTS.UI_OVERVIEW_RANGE_SELECTED, {
+    spreadArgs: true,
+  });
+  dragStartCanvasGraph(graph, { x: 0 });
+  let [{ startTime, endTime }] = await rangeSelected;
+  is(endTime, duration, "The selected range is the entire graph, for now.");
+
+  rangeSelected = once(OverviewView, EVENTS.UI_OVERVIEW_RANGE_SELECTED, {
+    spreadArgs: true,
+  });
+  dragStopCanvasGraph(graph, { x: graph.width / 2 });
+  [{ startTime, endTime }] = await rangeSelected;
+  is(endTime, duration / 2, "The selected range is half of the graph.");
+
+  is(graph.hasSelection(), true, "A selection exists on the graph.");
+  is(
+    startTime,
+    0,
+    "The UI_OVERVIEW_RANGE_SELECTED event fired with 0 as a `startTime`."
+  );
+  is(
+    endTime,
+    duration / 2,
+    `The UI_OVERVIEW_RANGE_SELECTED event fired with ${duration /
+      2} as \`endTime\`.`
+  );
+
+  const mapStart = () => 0;
+  const mapEnd = () => duration;
+  const actual = graph.getMappedSelection({ mapStart, mapEnd });
+  is(actual.min, 0, "Graph selection starts at 0.");
+  is(actual.max, duration / 2, `Graph selection ends at ${duration / 2}.`);
+
+  // Listen to deselection.
+
+  rangeSelected = once(OverviewView, EVENTS.UI_OVERVIEW_RANGE_SELECTED, {
+    spreadArgs: true,
+  });
+  clickCanvasGraph(graph, { x: (3 * graph.width) / 4 });
+  [{ startTime, endTime }] = await rangeSelected;
+
+  is(graph.hasSelection(), false, "A selection no longer on the graph.");
+  is(
+    startTime,
+    0,
+    "The UI_OVERVIEW_RANGE_SELECTED event fired with 0 as a `startTime`."
+  );
+  is(
+    endTime,
+    duration,
+    "The UI_OVERVIEW_RANGE_SELECTED event fired with duration as `endTime`."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-overview-selection-02.js b/devtools/client/performance/test/browser_perf-overview-selection-02.js
new file mode 100644
index 0000000000..549f1e9287
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-overview-selection-02.js
@@ -0,0 +1,102 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the graphs' selection is correctly disabled or enabled.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  UI_ENABLE_MEMORY_PREF,
+} = require("devtools/client/performance/test/helpers/prefs");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { OverviewView } = panel.panelWin;
+
+  // Enable memory to test.
+  Services.prefs.setBoolPref(UI_ENABLE_MEMORY_PREF, true);
+
+  await startRecording(panel);
+
+  const markersOverview = OverviewView.graphs.get("timeline");
+  const memoryGraph = OverviewView.graphs.get("memory");
+  const framerateGraph = OverviewView.graphs.get("framerate");
+
+  ok(markersOverview, "The markers graph should have been created now.");
+  ok(memoryGraph, "The memory graph should have been created now.");
+  ok(framerateGraph, "The framerate graph should have been created now.");
+
+  ok(
+    !markersOverview.selectionEnabled,
+    "Selection shouldn't be enabled when the first recording started (2)."
+  );
+  ok(
+    !memoryGraph.selectionEnabled,
+    "Selection shouldn't be enabled when the first recording started (3)."
+  );
+  ok(
+    !framerateGraph.selectionEnabled,
+    "Selection shouldn't be enabled when the first recording started (1)."
+  );
+
+  await stopRecording(panel);
+
+  ok(
+    markersOverview.selectionEnabled,
+    "Selection should be enabled when the first recording finishes (2)."
+  );
+  ok(
+    memoryGraph.selectionEnabled,
+    "Selection should be enabled when the first recording finishes (3)."
+  );
+  ok(
+    framerateGraph.selectionEnabled,
+    "Selection should be enabled when the first recording finishes (1)."
+  );
+
+  await startRecording(panel);
+
+  ok(
+    !markersOverview.selectionEnabled,
+    "Selection shouldn't be enabled when the second recording started (2)."
+  );
+  ok(
+    !memoryGraph.selectionEnabled,
+    "Selection shouldn't be enabled when the second recording started (3)."
+  );
+  ok(
+    !framerateGraph.selectionEnabled,
+    "Selection shouldn't be enabled when the second recording started (1)."
+  );
+
+  await stopRecording(panel);
+
+  ok(
+    markersOverview.selectionEnabled,
+    "Selection should be enabled when the first second finishes (2)."
+  );
+  ok(
+    memoryGraph.selectionEnabled,
+    "Selection should be enabled when the first second finishes (3)."
+  );
+  ok(
+    framerateGraph.selectionEnabled,
+    "Selection should be enabled when the first second finishes (1)."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-overview-selection-03.js b/devtools/client/performance/test/browser_perf-overview-selection-03.js
new file mode 100644
index 0000000000..7dcdbe95de
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-overview-selection-03.js
@@ -0,0 +1,122 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the graphs' selections are linked.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  UI_ENABLE_MEMORY_PREF,
+} = require("devtools/client/performance/test/helpers/prefs");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  times,
+} = require("devtools/client/performance/test/helpers/event-utils");
+const {
+  dragStartCanvasGraph,
+  dragStopCanvasGraph,
+} = require("devtools/client/performance/test/helpers/input-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { EVENTS, OverviewView } = panel.panelWin;
+
+  // Enable memory to test.
+  Services.prefs.setBoolPref(UI_ENABLE_MEMORY_PREF, true);
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  const markersOverview = OverviewView.graphs.get("timeline");
+  const memoryGraph = OverviewView.graphs.get("memory");
+  const framerateGraph = OverviewView.graphs.get("framerate");
+  const width = framerateGraph.width;
+
+  // Perform a selection inside the framerate graph.
+
+  let rangeSelected = times(OverviewView, EVENTS.UI_OVERVIEW_RANGE_SELECTED, 2);
+  dragStartCanvasGraph(framerateGraph, { x: 0 });
+  dragStopCanvasGraph(framerateGraph, { x: width / 2 });
+  await rangeSelected;
+
+  is(
+    JSON.stringify(markersOverview.getSelection()),
+    JSON.stringify(framerateGraph.getSelection()),
+    "The markers overview has a correct selection."
+  );
+  is(
+    JSON.stringify(memoryGraph.getSelection()),
+    JSON.stringify(framerateGraph.getSelection()),
+    "The memory overview has a correct selection."
+  );
+  is(
+    JSON.stringify(framerateGraph.getSelection()),
+    JSON.stringify({ start: 0, end: width / 2 }),
+    "The framerate graph has a correct selection."
+  );
+
+  // Perform a selection inside the markers overview.
+
+  markersOverview.dropSelection();
+
+  rangeSelected = times(OverviewView, EVENTS.UI_OVERVIEW_RANGE_SELECTED, 2);
+  dragStartCanvasGraph(markersOverview, { x: 0 });
+  dragStopCanvasGraph(markersOverview, { x: width / 4 });
+  await rangeSelected;
+
+  is(
+    JSON.stringify(markersOverview.getSelection()),
+    JSON.stringify(framerateGraph.getSelection()),
+    "The markers overview has a correct selection."
+  );
+  is(
+    JSON.stringify(memoryGraph.getSelection()),
+    JSON.stringify(framerateGraph.getSelection()),
+    "The memory overview has a correct selection."
+  );
+  is(
+    JSON.stringify(framerateGraph.getSelection()),
+    JSON.stringify({ start: 0, end: width / 4 }),
+    "The framerate graph has a correct selection."
+  );
+
+  // Perform a selection inside the memory overview.
+
+  markersOverview.dropSelection();
+
+  rangeSelected = times(OverviewView, EVENTS.UI_OVERVIEW_RANGE_SELECTED, 2);
+  dragStartCanvasGraph(memoryGraph, { x: 0 });
+  dragStopCanvasGraph(memoryGraph, { x: width / 10 });
+  await rangeSelected;
+
+  is(
+    JSON.stringify(markersOverview.getSelection()),
+    JSON.stringify(framerateGraph.getSelection()),
+    "The markers overview has a correct selection."
+  );
+  is(
+    JSON.stringify(memoryGraph.getSelection()),
+    JSON.stringify(framerateGraph.getSelection()),
+    "The memory overview has a correct selection."
+  );
+  is(
+    JSON.stringify(framerateGraph.getSelection()),
+    JSON.stringify({ start: 0, end: width / 10 }),
+    "The framerate graph has a correct selection."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-overview-time-interval.js b/devtools/client/performance/test/browser_perf-overview-time-interval.js
new file mode 100644
index 0000000000..b268d54529
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-overview-time-interval.js
@@ -0,0 +1,96 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the `setTimeInterval` and `getTimeInterval` functions
+ * work properly.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { EVENTS, OverviewView } = panel.panelWin;
+
+  try {
+    OverviewView.setTimeInterval({ starTime: 0, endTime: 1 });
+    ok(false, "Setting a time interval shouldn't have worked.");
+  } catch (e) {
+    ok(true, "Setting a time interval didn't work, as expected.");
+  }
+
+  try {
+    OverviewView.getTimeInterval();
+    ok(false, "Getting the time interval shouldn't have worked.");
+  } catch (e) {
+    ok(true, "Getting the time interval didn't work, as expected.");
+  }
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  // Get/set the time interval and wait for the event propagation.
+
+  const rangeSelected = once(OverviewView, EVENTS.UI_OVERVIEW_RANGE_SELECTED);
+  OverviewView.setTimeInterval({ startTime: 10, endTime: 20 });
+  await rangeSelected;
+
+  const firstInterval = OverviewView.getTimeInterval();
+  info("First interval start time: " + firstInterval.startTime);
+  info("First interval end time: " + firstInterval.endTime);
+  is(
+    Math.round(firstInterval.startTime),
+    10,
+    "The interval's start time was properly set."
+  );
+  is(
+    Math.round(firstInterval.endTime),
+    20,
+    "The interval's end time was properly set."
+  );
+
+  // Get/set another time interval and make sure there's no event propagation.
+
+  function fail() {
+    ok(false, "The selection event should not have propagated.");
+  }
+
+  OverviewView.on(EVENTS.UI_OVERVIEW_RANGE_SELECTED, fail);
+  OverviewView.setTimeInterval(
+    { startTime: 30, endTime: 40 },
+    { stopPropagation: true }
+  );
+  OverviewView.off(EVENTS.UI_OVERVIEW_RANGE_SELECTED, fail);
+
+  const secondInterval = OverviewView.getTimeInterval();
+  info("Second interval start time: " + secondInterval.startTime);
+  info("Second interval end time: " + secondInterval.endTime);
+  is(
+    Math.round(secondInterval.startTime),
+    30,
+    "The interval's start time was properly set again."
+  );
+  is(
+    Math.round(secondInterval.endTime),
+    40,
+    "The interval's end time was properly set again."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-private-browsing.js b/devtools/client/performance/test/browser_perf-private-browsing.js
new file mode 100644
index 0000000000..8a2c7b93c4
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-private-browsing.js
@@ -0,0 +1,136 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the frontend is disabled when in private browsing mode.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+
+let gPanelWinTuples = [];
+
+add_task(async function() {
+  await testNormalWindow();
+  await testPrivateWindow();
+  await testRecordingFailingInWindow(0);
+  await testRecordingFailingInWindow(1);
+  await teardownPerfInWindow(1, { shouldCloseWindow: true });
+  await testRecordingSucceedingInWindow(0);
+  await teardownPerfInWindow(0, { shouldCloseWindow: false });
+
+  gPanelWinTuples = null;
+});
+
+async function createPanelInNewWindow(options) {
+  const win = await BrowserTestUtils.openNewBrowserWindow(options);
+  return createPanelInWindow(options, win);
+}
+
+async function createPanelInWindow(options, win = window) {
+  const { panel } = await initPerformanceInNewTab(
+    {
+      url: SIMPLE_URL,
+      win: win,
+    },
+    options
+  );
+
+  gPanelWinTuples.push({ panel, win });
+  return { panel, win };
+}
+
+async function testNormalWindow() {
+  const { panel } = await createPanelInWindow({
+    private: false,
+  });
+
+  const { PerformanceView } = panel.panelWin;
+
+  is(
+    PerformanceView.getState(),
+    "empty",
+    "The initial state of the performance panel view is correct (1)."
+  );
+}
+
+async function testPrivateWindow() {
+  const { panel } = await createPanelInNewWindow({
+    private: true,
+    // The add-on SDK can't seem to be able to listen to "ready" or "close"
+    // events for private tabs. Don't really absolutely need to though.
+    dontWaitForTabReady: true,
+  });
+
+  const { PerformanceView } = panel.panelWin;
+
+  is(
+    PerformanceView.getState(),
+    "unavailable",
+    "The initial state of the performance panel view is correct (2)."
+  );
+}
+
+async function testRecordingFailingInWindow(index) {
+  const { panel } = gPanelWinTuples[index];
+  const { EVENTS, PerformanceController } = panel.panelWin;
+
+  const onRecordingStarted = () => {
+    ok(false, "Recording should not start while a private window is present.");
+  };
+
+  PerformanceController.on(EVENTS.RECORDING_STATE_CHANGE, onRecordingStarted);
+
+  const whenFailed = once(
+    PerformanceController,
+    EVENTS.BACKEND_FAILED_AFTER_RECORDING_START
+  );
+  PerformanceController.startRecording();
+  await whenFailed;
+  ok(true, "Recording has failed.");
+
+  PerformanceController.off(EVENTS.RECORDING_STATE_CHANGE, onRecordingStarted);
+}
+
+async function testRecordingSucceedingInWindow(index) {
+  const { panel } = gPanelWinTuples[index];
+  const { EVENTS, PerformanceController } = panel.panelWin;
+
+  const onRecordingFailed = () => {
+    ok(false, "Recording should start while now private windows are present.");
+  };
+
+  PerformanceController.on(
+    EVENTS.BACKEND_FAILED_AFTER_RECORDING_START,
+    onRecordingFailed
+  );
+
+  await startRecording(panel);
+  await stopRecording(panel);
+  ok(true, "Recording has succeeded.");
+
+  PerformanceController.off(
+    EVENTS.BACKEND_FAILED_AFTER_RECORDING_START,
+    onRecordingFailed
+  );
+}
+
+async function teardownPerfInWindow(index, options) {
+  const { panel, win } = gPanelWinTuples[index];
+  await teardownToolboxAndRemoveTab(panel);
+
+  if (options.shouldCloseWindow) {
+    win.close();
+  }
+}
diff --git a/devtools/client/performance/test/browser_perf-range-changed-render.js b/devtools/client/performance/test/browser_perf-range-changed-render.js
new file mode 100644
index 0000000000..98e6ca7f92
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-range-changed-render.js
@@ -0,0 +1,104 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the detail views are rerendered after the range changes.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const {
+    EVENTS,
+    OverviewView,
+    DetailsView,
+    WaterfallView,
+    JsCallTreeView,
+    JsFlameGraphView,
+  } = panel.panelWin;
+
+  let updatedWaterfall = 0;
+  let updatedCallTree = 0;
+  let updatedFlameGraph = 0;
+  const updateWaterfall = () => updatedWaterfall++;
+  const updateCallTree = () => updatedCallTree++;
+  const updateFlameGraph = () => updatedFlameGraph++;
+  WaterfallView.on(EVENTS.UI_WATERFALL_RENDERED, updateWaterfall);
+  JsCallTreeView.on(EVENTS.UI_JS_CALL_TREE_RENDERED, updateCallTree);
+  JsFlameGraphView.on(EVENTS.UI_JS_FLAMEGRAPH_RENDERED, updateFlameGraph);
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  let rendered = once(WaterfallView, EVENTS.UI_WATERFALL_RENDERED);
+  OverviewView.emit(EVENTS.UI_OVERVIEW_RANGE_SELECTED, {
+    startTime: 0,
+    endTime: 10,
+  });
+  await rendered;
+  ok(
+    true,
+    "Waterfall rerenders when a range in the overview graph is selected."
+  );
+
+  rendered = once(JsCallTreeView, EVENTS.UI_JS_CALL_TREE_RENDERED);
+  await DetailsView.selectView("js-calltree");
+  await rendered;
+  ok(true, "Call tree rerenders after its corresponding pane is shown.");
+
+  rendered = once(JsFlameGraphView, EVENTS.UI_JS_FLAMEGRAPH_RENDERED);
+  await DetailsView.selectView("js-flamegraph");
+  await rendered;
+  ok(true, "Flamegraph rerenders after its corresponding pane is shown.");
+
+  rendered = once(JsFlameGraphView, EVENTS.UI_JS_FLAMEGRAPH_RENDERED);
+  OverviewView.emit(EVENTS.UI_OVERVIEW_RANGE_SELECTED);
+  await rendered;
+  ok(
+    true,
+    "Flamegraph rerenders when a range in the overview graph is removed."
+  );
+
+  rendered = once(JsCallTreeView, EVENTS.UI_JS_CALL_TREE_RENDERED);
+  await DetailsView.selectView("js-calltree");
+  await rendered;
+  ok(true, "Call tree rerenders after its corresponding pane is shown.");
+
+  rendered = once(WaterfallView, EVENTS.UI_WATERFALL_RENDERED);
+  await DetailsView.selectView("waterfall");
+  await rendered;
+  ok(true, "Waterfall rerenders after its corresponding pane is shown.");
+
+  // The WaterfallView is rerendered on window resize. Loading the other graphs can
+  // trigger a window resize and increase the total number of rerenders.
+  // See Bug 1532993#c12.
+  ok(
+    updatedWaterfall === 3 || updatedWaterfall === 4,
+    "WaterfallView rerendered 3 or 4 times."
+  );
+  is(updatedCallTree, 2, "JsCallTreeView rerendered 2 times.");
+  is(updatedFlameGraph, 2, "JsFlameGraphView rerendered 2 times.");
+
+  WaterfallView.off(EVENTS.UI_WATERFALL_RENDERED, updateWaterfall);
+  JsCallTreeView.off(EVENTS.UI_JS_CALL_TREE_RENDERED, updateCallTree);
+  JsFlameGraphView.off(EVENTS.UI_JS_FLAMEGRAPH_RENDERED, updateFlameGraph);
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-recording-notices-01.js b/devtools/client/performance/test/browser_perf-recording-notices-01.js
new file mode 100644
index 0000000000..e608b8b19b
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-recording-notices-01.js
@@ -0,0 +1,55 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the recording notice panes are toggled in correct scenarios
+ * for initialization and a single recording.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { $, PerformanceView } = panel.panelWin;
+
+  const MAIN_CONTAINER = $("#performance-view");
+  const EMPTY = $("#empty-notice");
+  const CONTENT = $("#performance-view-content");
+  const DETAILS_CONTAINER = $("#details-pane-container");
+  const RECORDING = $("#recording-notice");
+  const DETAILS = $("#details-pane");
+
+  is(PerformanceView.getState(), "empty", "Correct default state.");
+  is(MAIN_CONTAINER.selectedPanel, EMPTY, "Showing empty panel on load.");
+
+  await startRecording(panel);
+
+  is(
+    PerformanceView.getState(),
+    "recording",
+    "Correct state during recording."
+  );
+  is(MAIN_CONTAINER.selectedPanel, CONTENT, "Showing main view with timeline.");
+  is(DETAILS_CONTAINER.selectedPanel, RECORDING, "Showing recording panel.");
+
+  await stopRecording(panel);
+
+  is(PerformanceView.getState(), "recorded", "Correct state after recording.");
+  is(MAIN_CONTAINER.selectedPanel, CONTENT, "Showing main view with timeline.");
+  is(DETAILS_CONTAINER.selectedPanel, DETAILS, "Showing rendered graphs.");
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-recording-notices-02.js b/devtools/client/performance/test/browser_perf-recording-notices-02.js
new file mode 100644
index 0000000000..a482aafcdc
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-recording-notices-02.js
@@ -0,0 +1,80 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the recording notice panes are toggled when going between
+ * a completed recording and an in-progress recording.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+const {
+  setSelectedRecording,
+} = require("devtools/client/performance/test/helpers/recording-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { EVENTS, $, PerformanceController, PerformanceView } = panel.panelWin;
+
+  const MAIN_CONTAINER = $("#performance-view");
+  const CONTENT = $("#performance-view-content");
+  const DETAILS_CONTAINER = $("#details-pane-container");
+  const RECORDING = $("#recording-notice");
+  const DETAILS = $("#details-pane");
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  await startRecording(panel);
+
+  is(
+    PerformanceView.getState(),
+    "recording",
+    "Correct state during recording."
+  );
+  is(MAIN_CONTAINER.selectedPanel, CONTENT, "Showing main view with timeline.");
+  is(DETAILS_CONTAINER.selectedPanel, RECORDING, "Showing recording panel.");
+
+  let selected = once(PerformanceController, EVENTS.RECORDING_SELECTED);
+  setSelectedRecording(panel, 0);
+  await selected;
+
+  is(
+    PerformanceView.getState(),
+    "recorded",
+    "Correct state during recording but selecting a completed recording."
+  );
+  is(MAIN_CONTAINER.selectedPanel, CONTENT, "Showing main view with timeline.");
+  is(DETAILS_CONTAINER.selectedPanel, DETAILS, "Showing recorded panel.");
+
+  selected = once(PerformanceController, EVENTS.RECORDING_SELECTED);
+  setSelectedRecording(panel, 1);
+  await selected;
+
+  is(
+    PerformanceView.getState(),
+    "recording",
+    "Correct state when switching back to recording in progress."
+  );
+  is(MAIN_CONTAINER.selectedPanel, CONTENT, "Showing main view with timeline.");
+  is(DETAILS_CONTAINER.selectedPanel, RECORDING, "Showing recording panel.");
+
+  await stopRecording(panel);
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-recording-notices-03.js b/devtools/client/performance/test/browser_perf-recording-notices-03.js
new file mode 100644
index 0000000000..de9cfdb144
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-recording-notices-03.js
@@ -0,0 +1,208 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that recording notices display buffer status when available,
+ * and can switch between different recordings with the correct buffer
+ * information displayed.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  PROFILER_BUFFER_SIZE_PREF,
+} = require("devtools/client/performance/test/helpers/prefs");
+const {
+  pmmInitWithBrowser,
+  pmmStopProfiler,
+} = require("devtools/client/performance/test/helpers/profiler-mm-utils");
+const {
+  initPerformanceInTab,
+  initConsoleInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  waitUntil,
+} = require("devtools/client/performance/test/helpers/wait-utils");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+const {
+  setSelectedRecording,
+} = require("devtools/client/performance/test/helpers/recording-utils");
+
+add_task(async function() {
+  // Make sure the profiler module is stopped so we can set a new buffer limit.
+  pmmInitWithBrowser(gBrowser);
+  await pmmStopProfiler();
+
+  // Keep the profiler's buffer large, but still get to 1% relatively quick.
+  Services.prefs.setIntPref(PROFILER_BUFFER_SIZE_PREF, 1000000);
+
+  const { target, console } = await initConsoleInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { panel } = await initPerformanceInTab({ tab: target.localTab });
+  const { EVENTS, $, PerformanceController, PerformanceView } = panel.panelWin;
+
+  // Set a fast profiler-status update interval.
+  const performanceFront = await panel.target.getFront("performance");
+  await performanceFront.setProfilerStatusInterval(10);
+
+  const DETAILS_CONTAINER = $("#details-pane-container");
+  const NORMAL_BUFFER_STATUS_MESSAGE = $(
+    "#recording-notice .buffer-status-message"
+  );
+  const CONSOLE_BUFFER_STATUS_MESSAGE = $(
+    "#console-recording-notice .buffer-status-message"
+  );
+  let gPercent;
+
+  // Start a manual recording.
+  await startRecording(panel);
+
+  await waitUntil(async function() {
+    [gPercent] = await once(
+      PerformanceView,
+      EVENTS.UI_RECORDING_PROFILER_STATUS_RENDERED,
+      { spreadArgs: true }
+    );
+
+    return gPercent > 0;
+  });
+
+  ok(true, "Buffer percentage increased in display (1).");
+
+  let bufferUsage = PerformanceController.getBufferUsageForRecording(
+    PerformanceController.getCurrentRecording()
+  );
+
+  let bufferStatus = DETAILS_CONTAINER.getAttribute("buffer-status");
+  either(
+    bufferStatus,
+    "in-progress",
+    "full",
+    "Container has [buffer-status=in-progress] or [buffer-status=full]."
+  );
+  ok(
+    NORMAL_BUFFER_STATUS_MESSAGE.value.includes(gPercent + "%"),
+    "Buffer status text has correct percentage."
+  );
+
+  // Start a console profile.
+  await console.profile("rust");
+
+  await waitUntil(async function() {
+    [gPercent] = await once(
+      PerformanceView,
+      EVENTS.UI_RECORDING_PROFILER_STATUS_RENDERED,
+      { spreadArgs: true }
+    );
+
+    // In some slow environments (eg ccov) it can happen that the buffer is full
+    // during the test run. In that case, the next condition can never be true
+    // because bufferUsage is 1, so we introduced a special condition to account
+    // for this special case.
+    if (bufferStatus === "full") {
+      return gPercent === 100;
+    }
+
+    return gPercent > Math.floor(bufferUsage * 100);
+  });
+
+  ok(true, "Buffer percentage increased in display (2).");
+
+  bufferUsage = PerformanceController.getBufferUsageForRecording(
+    PerformanceController.getCurrentRecording()
+  );
+  bufferStatus = DETAILS_CONTAINER.getAttribute("buffer-status");
+  either(
+    bufferStatus,
+    "in-progress",
+    "full",
+    "Container has [buffer-status=in-progress] or [buffer-status=full]."
+  );
+  ok(
+    NORMAL_BUFFER_STATUS_MESSAGE.value.includes(gPercent + "%"),
+    "Buffer status text has correct percentage."
+  );
+
+  // Select the console recording.
+  let selected = once(PerformanceController, EVENTS.RECORDING_SELECTED);
+  setSelectedRecording(panel, 1);
+  await selected;
+
+  await waitUntil(async function() {
+    [gPercent] = await once(
+      PerformanceView,
+      EVENTS.UI_RECORDING_PROFILER_STATUS_RENDERED,
+      { spreadArgs: true }
+    );
+    return gPercent > 0;
+  });
+
+  ok(true, "Percentage updated for newly selected recording.");
+
+  bufferStatus = DETAILS_CONTAINER.getAttribute("buffer-status");
+  either(
+    bufferStatus,
+    "in-progress",
+    "full",
+    "Container has [buffer-status=in-progress] or [buffer-status=full]."
+  );
+  ok(
+    CONSOLE_BUFFER_STATUS_MESSAGE.value.includes(gPercent + "%"),
+    "Buffer status text has correct percentage for console recording."
+  );
+
+  // Stop the console profile, then select the original manual recording.
+  await console.profileEnd("rust");
+
+  selected = once(PerformanceController, EVENTS.RECORDING_SELECTED);
+  setSelectedRecording(panel, 0);
+  await selected;
+
+  bufferStatus = DETAILS_CONTAINER.getAttribute("buffer-status");
+  await waitUntil(async function() {
+    [gPercent] = await once(
+      PerformanceView,
+      EVENTS.UI_RECORDING_PROFILER_STATUS_RENDERED,
+      { spreadArgs: true }
+    );
+
+    // In some slow environments (eg ccov) it can happen that the buffer is full
+    // during the test run. In that case, the next condition can never be true
+    // because bufferUsage is 1, so we introduced a special condition to account
+    // for this special case.
+    if (bufferStatus === "full") {
+      return gPercent === 100;
+    }
+
+    return gPercent > Math.floor(bufferUsage * 100);
+  });
+
+  ok(true, "Buffer percentage increased in display (3).");
+
+  bufferStatus = DETAILS_CONTAINER.getAttribute("buffer-status");
+  either(
+    bufferStatus,
+    "in-progress",
+    "full",
+    "Container has [buffer-status=in-progress] or [buffer-status=full]."
+  );
+  ok(
+    NORMAL_BUFFER_STATUS_MESSAGE.value.includes(gPercent + "%"),
+    "Buffer status text has correct percentage."
+  );
+
+  // Stop the manual recording.
+  await stopRecording(panel);
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-recording-notices-04.js b/devtools/client/performance/test/browser_perf-recording-notices-04.js
new file mode 100644
index 0000000000..d3be6fbab9
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-recording-notices-04.js
@@ -0,0 +1,90 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that when a recording overlaps the circular buffer, that
+ * a class is assigned to the recording notices.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  PROFILER_BUFFER_SIZE_PREF,
+} = require("devtools/client/performance/test/helpers/prefs");
+const {
+  pmmInitWithBrowser,
+  pmmStopProfiler,
+} = require("devtools/client/performance/test/helpers/profiler-mm-utils");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  waitUntil,
+} = require("devtools/client/performance/test/helpers/wait-utils");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+
+add_task(async function() {
+  // Make sure the profiler module is stopped so we can set a new buffer limit.
+  pmmInitWithBrowser(gBrowser);
+  await pmmStopProfiler();
+
+  // Keep the profiler's buffer small, to get to 100% really quickly.
+  Services.prefs.setIntPref(PROFILER_BUFFER_SIZE_PREF, 10000);
+
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { EVENTS, $, PerformanceController, PerformanceView } = panel.panelWin;
+
+  // Set a fast profiler-status update interval
+  const performanceFront = await panel.target.getFront("performance");
+  await performanceFront.setProfilerStatusInterval(10);
+
+  const DETAILS_CONTAINER = $("#details-pane-container");
+  const NORMAL_BUFFER_STATUS_MESSAGE = $(
+    "#recording-notice .buffer-status-message"
+  );
+  let gPercent;
+
+  // Start a manual recording.
+  await startRecording(panel);
+
+  await waitUntil(async function() {
+    [gPercent] = await once(
+      PerformanceView,
+      EVENTS.UI_RECORDING_PROFILER_STATUS_RENDERED,
+      { spreadArgs: true }
+    );
+    return gPercent == 100;
+  });
+
+  ok(true, "Buffer percentage increased in display.");
+
+  const bufferUsage = PerformanceController.getBufferUsageForRecording(
+    PerformanceController.getCurrentRecording()
+  );
+  is(bufferUsage, 1, "Buffer is full for this recording.");
+  is(
+    DETAILS_CONTAINER.getAttribute("buffer-status"),
+    "full",
+    "Container has [buffer-status=full]."
+  );
+  ok(
+    NORMAL_BUFFER_STATUS_MESSAGE.value.includes(gPercent + "%"),
+    "Buffer status text has correct percentage."
+  );
+
+  // Stop the manual recording.
+  await stopRecording(panel);
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-recording-notices-05.js b/devtools/client/performance/test/browser_perf-recording-notices-05.js
new file mode 100644
index 0000000000..0541797cb3
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-recording-notices-05.js
@@ -0,0 +1,54 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the circular buffer notices work when e10s is on/off.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { $, PerformanceController } = panel.panelWin;
+
+  // Set a fast profiler-status update interval
+  const performanceFront = await panel.target.getFront("performance");
+  await performanceFront.setProfilerStatusInterval(10);
+
+  let enabled = false;
+
+  PerformanceController.getMultiprocessStatus = () => {
+    return { enabled };
+  };
+
+  PerformanceController._setMultiprocessAttributes();
+  is(
+    $("#performance-view").getAttribute("e10s"),
+    "disabled",
+    "When e10s is disabled, container has [e10s=disabled]."
+  );
+
+  enabled = true;
+
+  PerformanceController._setMultiprocessAttributes();
+
+  // XXX: Switched to from ok() to todo_is() in Bug 1467712. Follow up in 1500913
+  // This cannot work with the current implementation, _setMultiprocessAttributes is not
+  // removing existing attributes.
+  todo_is(
+    $("#performance-view").getAttribute("e10s"),
+    "",
+    "When e10s is enabled, there should be no e10s attribute."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-recording-selected-01.js b/devtools/client/performance/test/browser_perf-recording-selected-01.js
new file mode 100644
index 0000000000..9da220083b
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-recording-selected-01.js
@@ -0,0 +1,65 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if the profiler correctly handles multiple recordings and can
+ * successfully switch between them.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+const {
+  setSelectedRecording,
+  getRecordingsCount,
+  getSelectedRecordingIndex,
+} = require("devtools/client/performance/test/helpers/recording-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { EVENTS, PerformanceController } = panel.panelWin;
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  is(getRecordingsCount(panel), 2, "There should be two recordings visible.");
+  is(
+    getSelectedRecordingIndex(panel),
+    1,
+    "The second recording item should be selected."
+  );
+
+  const selected = once(PerformanceController, EVENTS.RECORDING_SELECTED);
+  setSelectedRecording(panel, 0);
+  await selected;
+
+  is(
+    getRecordingsCount(panel),
+    2,
+    "There should still be two recordings visible."
+  );
+  is(
+    getSelectedRecordingIndex(panel),
+    0,
+    "The first recording item should be selected."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-recording-selected-02.js b/devtools/client/performance/test/browser_perf-recording-selected-02.js
new file mode 100644
index 0000000000..d2e54fd975
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-recording-selected-02.js
@@ -0,0 +1,84 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if the profiler correctly handles multiple recordings and can
+ * successfully switch between them, even when one of them is in progress.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+const {
+  getSelectedRecordingIndex,
+  setSelectedRecording,
+  getRecordingsCount,
+} = require("devtools/client/performance/test/helpers/recording-utils");
+
+add_task(async function() {
+  // This test seems to take a very long time to finish on Linux VMs.
+  requestLongerTimeout(4);
+
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { EVENTS, PerformanceController } = panel.panelWin;
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  await startRecording(panel);
+
+  is(getRecordingsCount(panel), 2, "There should be two recordings visible.");
+  is(
+    getSelectedRecordingIndex(panel),
+    1,
+    "The new recording item should be selected."
+  );
+
+  let selected = once(PerformanceController, EVENTS.RECORDING_SELECTED);
+  setSelectedRecording(panel, 0);
+  await selected;
+
+  is(
+    getRecordingsCount(panel),
+    2,
+    "There should still be two recordings visible."
+  );
+  is(
+    getSelectedRecordingIndex(panel),
+    0,
+    "The first recording item should be selected now."
+  );
+
+  selected = once(PerformanceController, EVENTS.RECORDING_SELECTED);
+  setSelectedRecording(panel, 1);
+  await selected;
+
+  is(
+    getRecordingsCount(panel),
+    2,
+    "There should still be two recordings visible."
+  );
+  is(
+    getSelectedRecordingIndex(panel),
+    1,
+    "The second recording item should be selected again."
+  );
+
+  await stopRecording(panel);
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-recording-selected-03.js b/devtools/client/performance/test/browser_perf-recording-selected-03.js
new file mode 100644
index 0000000000..316731a363
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-recording-selected-03.js
@@ -0,0 +1,57 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if the profiler UI does not forget that recording is active when
+ * selected recording changes.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+const {
+  setSelectedRecording,
+} = require("devtools/client/performance/test/helpers/recording-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { $, EVENTS, PerformanceController } = panel.panelWin;
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  await startRecording(panel);
+
+  info("Selecting recording #0 and waiting for it to be displayed.");
+
+  const selected = once(PerformanceController, EVENTS.RECORDING_SELECTED);
+  setSelectedRecording(panel, 0);
+  await selected;
+
+  ok(
+    $("#main-record-button").classList.contains("checked"),
+    "Button is still checked after selecting another item."
+  );
+  ok(
+    !$("#main-record-button").hasAttribute("disabled"),
+    "Button is not locked after selecting another item."
+  );
+
+  await stopRecording(panel);
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-recording-selected-04.js b/devtools/client/performance/test/browser_perf-recording-selected-04.js
new file mode 100644
index 0000000000..89c0f02023
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-recording-selected-04.js
@@ -0,0 +1,80 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that all components can get rerendered for a profile when switching.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  UI_ENABLE_MEMORY_PREF,
+  UI_ENABLE_ALLOCATIONS_PREF,
+  PROFILER_SAMPLE_RATE_PREF,
+} = require("devtools/client/performance/test/helpers/prefs");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+  waitForAllWidgetsRendered,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  setSelectedRecording,
+} = require("devtools/client/performance/test/helpers/recording-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { DetailsView, DetailsSubview } = panel.panelWin;
+
+  // Enable memory to test the memory overview.
+  Services.prefs.setBoolPref(UI_ENABLE_MEMORY_PREF, true);
+
+  // Enable allocations to test the memory-calltree and memory-flamegraph.
+  Services.prefs.setBoolPref(UI_ENABLE_ALLOCATIONS_PREF, true);
+
+  // Because enabling the memory panel has a significant overhead, especially in
+  // slow builds like ccov builds, let's reduce the overhead from the sampling.
+  Services.prefs.setIntPref(PROFILER_SAMPLE_RATE_PREF, 100);
+
+  ok(true, "Starting recording...");
+  await startRecording(panel);
+  ok(true, "Recording started!");
+  ok(true, "Stopping recording...");
+  await stopRecording(panel);
+  ok(true, "Recording stopped!");
+
+  // Allow widgets to be updated while hidden, to make testing easier.
+  DetailsSubview.canUpdateWhileHidden = true;
+
+  // Cycle through all the views to initialize them. The waterfall is shown
+  // by default, but all the other views are created lazily, so won't emit
+  // any events.
+  await DetailsView.selectView("js-calltree");
+  await DetailsView.selectView("js-flamegraph");
+  await DetailsView.selectView("memory-calltree");
+  await DetailsView.selectView("memory-flamegraph");
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  let rerender = waitForAllWidgetsRendered(panel);
+  setSelectedRecording(panel, 0);
+  await rerender;
+
+  ok(true, "All widgets were rendered when selecting the first recording.");
+
+  rerender = waitForAllWidgetsRendered(panel);
+  setSelectedRecording(panel, 1);
+  await rerender;
+
+  ok(true, "All widgets were rendered when selecting the second recording.");
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-recordings-clear-01.js b/devtools/client/performance/test/browser_perf-recordings-clear-01.js
new file mode 100644
index 0000000000..3cfc27328f
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-recordings-clear-01.js
@@ -0,0 +1,85 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that clearing recordings empties out the recordings list and toggles
+ * the empty notice state.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPanelInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  getRecordingsCount,
+} = require("devtools/client/performance/test/helpers/recording-utils");
+
+add_task(async function() {
+  const { panel } = await initPanelInNewTab({
+    tool: "performance",
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { PerformanceController, PerformanceView } = panel.panelWin;
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  is(
+    getRecordingsCount(panel),
+    1,
+    "The recordings list should have one recording."
+  );
+  isnot(
+    PerformanceView.getState(),
+    "empty",
+    "PerformanceView should not be in an empty state."
+  );
+  isnot(
+    PerformanceController.getCurrentRecording(),
+    null,
+    "There should be a current recording."
+  );
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  is(
+    getRecordingsCount(panel),
+    2,
+    "The recordings list should have two recordings."
+  );
+  isnot(
+    PerformanceView.getState(),
+    "empty",
+    "PerformanceView should not be in an empty state."
+  );
+  isnot(
+    PerformanceController.getCurrentRecording(),
+    null,
+    "There should be a current recording."
+  );
+
+  await PerformanceController.clearRecordings();
+
+  is(getRecordingsCount(panel), 0, "The recordings list should be empty.");
+  is(
+    PerformanceView.getState(),
+    "empty",
+    "PerformanceView should be in an empty state."
+  );
+  is(
+    PerformanceController.getCurrentRecording(),
+    null,
+    "There should be no current recording."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-recordings-clear-02.js b/devtools/client/performance/test/browser_perf-recordings-clear-02.js
new file mode 100644
index 0000000000..2f09304436
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-recordings-clear-02.js
@@ -0,0 +1,114 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that clearing recordings empties out the recordings list and stops
+ * a current recording if recording and can continue recording after.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPanelInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  times,
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+const {
+  getRecordingsCount,
+} = require("devtools/client/performance/test/helpers/recording-utils");
+
+add_task(async function() {
+  const { panel } = await initPanelInNewTab({
+    tool: "performance",
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { EVENTS, PerformanceController, PerformanceView } = panel.panelWin;
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  is(
+    getRecordingsCount(panel),
+    1,
+    "The recordings list should have one recording."
+  );
+  isnot(
+    PerformanceView.getState(),
+    "empty",
+    "PerformanceView should not be in an empty state."
+  );
+  isnot(
+    PerformanceController.getCurrentRecording(),
+    null,
+    "There should be a current recording."
+  );
+
+  await startRecording(panel);
+
+  is(
+    getRecordingsCount(panel),
+    2,
+    "The recordings list should have two recordings."
+  );
+  isnot(
+    PerformanceView.getState(),
+    "empty",
+    "PerformanceView should not be in an empty state."
+  );
+  isnot(
+    PerformanceController.getCurrentRecording(),
+    null,
+    "There should be a current recording."
+  );
+
+  const recordingDeleted = times(
+    PerformanceController,
+    EVENTS.RECORDING_DELETED,
+    2
+  );
+  const recordingStopped = once(
+    PerformanceController,
+    EVENTS.RECORDING_STATE_CHANGE,
+    {
+      expectedArgs: ["recording-stopped"],
+    }
+  );
+
+  PerformanceController.clearRecordings();
+
+  await recordingDeleted;
+  await recordingStopped;
+
+  is(getRecordingsCount(panel), 0, "The recordings list should be empty.");
+  is(
+    PerformanceView.getState(),
+    "empty",
+    "PerformanceView should be in an empty state."
+  );
+  is(
+    PerformanceController.getCurrentRecording(),
+    null,
+    "There should be no current recording."
+  );
+
+  // Bug 1169146: Try another recording after clearing mid-recording.
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  is(
+    getRecordingsCount(panel),
+    1,
+    "The recordings list should have one recording."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-recordings-io-01.js b/devtools/client/performance/test/browser_perf-recordings-io-01.js
new file mode 100644
index 0000000000..63040566c1
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-recordings-io-01.js
@@ -0,0 +1,94 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+/* eslint-disable */
+/**
+ * Tests if the performance tool is able to save and load recordings.
+ */
+
+var test = async function () {
+  var { target, panel, toolbox } = await initPerformance(SIMPLE_URL);
+  var { $, EVENTS, PerformanceController, PerformanceView, DetailsView, DetailsSubview } = panel.panelWin;
+
+  // Enable allocations to test the memory-calltree and memory-flamegraph.
+  Services.prefs.setBoolPref(ALLOCATIONS_PREF, true);
+  Services.prefs.setBoolPref(MEMORY_PREF, true);
+  Services.prefs.setBoolPref(FRAMERATE_PREF, true);
+
+  // Need to allow widgets to be updated while hidden, otherwise we can't use
+  // `waitForWidgetsRendered`.
+  DetailsSubview.canUpdateWhileHidden = true;
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  // Cycle through all the views to initialize them, otherwise we can't use
+  // `waitForWidgetsRendered`. The waterfall is shown by default, but all the
+  // other views are created lazily, so won't emit any events.
+  await DetailsView.selectView("js-calltree");
+  await DetailsView.selectView("js-flamegraph");
+  await DetailsView.selectView("memory-calltree");
+  await DetailsView.selectView("memory-flamegraph");
+
+  // Verify original recording.
+
+  let originalData = PerformanceController.getCurrentRecording().getAllData();
+  ok(originalData, "The original recording is not empty.");
+
+  // Save recording.
+
+  let file = FileUtils.getFile("TmpD", ["tmpprofile.json"]);
+  file.createUnique(Ci.nsIFile.NORMAL_FILE_TYPE, parseInt("666", 8));
+
+  let exported = once(PerformanceController, EVENTS.RECORDING_EXPORTED);
+  await PerformanceController.exportRecording("", PerformanceController.getCurrentRecording(), file);
+
+  await exported;
+  ok(true, "The recording data appears to have been successfully saved.");
+
+ //  Check if the imported file name has tmpprofile in it as the file
+ //  names also has different suffix to avoid conflict
+
+  let displayedName = $(".recording-item-title").getAttribute("value");
+  ok(/^tmpprofile/.test(displayedName), "File has expected display name after import");
+  ok(!/\.json$/.test(displayedName), "Display name does not have .json in it");
+
+  // Import recording.
+
+  let rerendered = waitForWidgetsRendered(panel);
+  let imported = once(PerformanceController, EVENTS.RECORDING_IMPORTED);
+  PerformanceView.emit(EVENTS.UI_IMPORT_RECORDING, file);
+
+  await imported;
+  ok(true, "The recording data appears to have been successfully imported.");
+
+  await rerendered;
+  ok(true, "The imported data was re-rendered.");
+
+  // Verify imported recording.
+
+  let importedData = PerformanceController.getCurrentRecording().getAllData();
+
+  ok(/^tmpprofile/.test(importedData.label),
+    "The imported data label is identical to the filename without its extension.");
+  is(importedData.duration, originalData.duration,
+    "The imported data is identical to the original data (1).");
+  is(importedData.markers.toSource(), originalData.markers.toSource(),
+    "The imported data is identical to the original data (2).");
+  is(importedData.memory.toSource(), originalData.memory.toSource(),
+    "The imported data is identical to the original data (3).");
+  is(importedData.ticks.toSource(), originalData.ticks.toSource(),
+    "The imported data is identical to the original data (4).");
+  is(importedData.allocations.toSource(), originalData.allocations.toSource(),
+    "The imported data is identical to the original data (5).");
+  is(importedData.profile.toSource(), originalData.profile.toSource(),
+    "The imported data is identical to the original data (6).");
+  is(importedData.configuration.withTicks, originalData.configuration.withTicks,
+    "The imported data is identical to the original data (7).");
+  is(importedData.configuration.withMemory, originalData.configuration.withMemory,
+    "The imported data is identical to the original data (8).");
+
+  await teardown(panel);
+  finish();
+};
+/* eslint-enable */
diff --git a/devtools/client/performance/test/browser_perf-recordings-io-02.js b/devtools/client/performance/test/browser_perf-recordings-io-02.js
new file mode 100644
index 0000000000..3104a40e96
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-recordings-io-02.js
@@ -0,0 +1,26 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+/* eslint-disable */
+/**
+ * Tests if the performance tool gracefully handles loading bogus files.
+ */
+
+var test = async function () {
+  let { target, panel, toolbox } = await initPerformance(SIMPLE_URL);
+  let { EVENTS, PerformanceController } = panel.panelWin;
+
+  let file = FileUtils.getFile("TmpD", ["tmpprofile.json"]);
+  file.createUnique(Ci.nsIFile.NORMAL_FILE_TYPE, parseInt("666", 8));
+
+  try {
+    await PerformanceController.importRecording("", file);
+    ok(false, "The recording succeeded unexpectedly.");
+  } catch (e) {
+    is(e.message, "Could not read recording data file.", "Message is correct.");
+    ok(true, "The recording was cancelled.");
+  }
+
+  await teardown(panel);
+  finish();
+};
diff --git a/devtools/client/performance/test/browser_perf-recordings-io-03.js b/devtools/client/performance/test/browser_perf-recordings-io-03.js
new file mode 100644
index 0000000000..6b9dc47f64
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-recordings-io-03.js
@@ -0,0 +1,54 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+/* eslint-disable */
+/**
+ * Tests if the performance tool gracefully handles loading files that are JSON,
+ * but don't contain the appropriate recording data.
+ */
+
+var { FileUtils } = ChromeUtils.import("resource://gre/modules/FileUtils.jsm");
+var { NetUtil } = ChromeUtils.import("resource://gre/modules/NetUtil.jsm");
+
+var test = async function () {
+  let { target, panel, toolbox } = await initPerformance(SIMPLE_URL);
+  let { EVENTS, PerformanceController } = panel.panelWin;
+
+  let file = FileUtils.getFile("TmpD", ["tmpprofile.json"]);
+  file.createUnique(Ci.nsIFile.NORMAL_FILE_TYPE, parseInt("666", 8));
+  await asyncCopy({ bogus: "data" }, file);
+
+  try {
+    await PerformanceController.importRecording("", file);
+    ok(false, "The recording succeeded unexpectedly.");
+  } catch (e) {
+    is(e.message, "Unrecognized recording data file.", "Message is correct.");
+    ok(true, "The recording was cancelled.");
+  }
+
+  await teardown(panel);
+  finish();
+};
+
+function getUnicodeConverter() {
+  let className = "@mozilla.org/intl/scriptableunicodeconverter";
+  let converter = Cc[className].createInstance(Ci.nsIScriptableUnicodeConverter);
+  converter.charset = "UTF-8";
+  return converter;
+}
+
+function asyncCopy(data, file) {
+  let string = JSON.stringify(data);
+  let inputStream = getUnicodeConverter().convertToInputStream(string);
+  let outputStream = FileUtils.openSafeFileOutputStream(file);
+
+  return new Promise((resolve, reject) => {
+    NetUtil.asyncCopy(inputStream, outputStream, status => {
+      if (!Components.isSuccessCode(status)) {
+        reject(new Error("Could not save data to file."));
+      }
+      resolve();
+    });
+  });
+}
+/* eslint-enable */
diff --git a/devtools/client/performance/test/browser_perf-recordings-io-04.js b/devtools/client/performance/test/browser_perf-recordings-io-04.js
new file mode 100644
index 0000000000..30f723c3d8
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-recordings-io-04.js
@@ -0,0 +1,176 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+/* eslint-disable */
+/**
+ * Tests if the performance tool can import profiler data from the
+ * original profiler tool (Performance Recording v1, and Profiler data v2) and the correct views and graphs are loaded.
+ */
+var TICKS_DATA = (function () {
+  let ticks = [];
+  for (let i = 0; i < 100; i++) {
+    ticks.push(i * 10);
+  }
+  return ticks;
+})();
+
+var PROFILER_DATA = (function () {
+  let data = {};
+  let threads = data.threads = [];
+  let thread = {};
+  threads.push(thread);
+  thread.name = "Content";
+  thread.samples = [{
+    time: 5,
+    frames: [
+      { location: "(root)" },
+      { location: "A" },
+      { location: "B" },
+      { location: "C" }
+    ]
+  }, {
+    time: 5 + 6,
+    frames: [
+      { location: "(root)" },
+      { location: "A" },
+      { location: "B" },
+      { location: "D" }
+    ]
+  }, {
+    time: 5 + 6 + 7,
+    frames: [
+      { location: "(root)" },
+      { location: "A" },
+      { location: "E" },
+      { location: "F" }
+    ]
+  }, {
+    time: 20,
+    frames: [
+      { location: "(root)" },
+      { location: "A" },
+      { location: "B" },
+      { location: "C" },
+      { location: "D" },
+      { location: "E" },
+      { location: "F" },
+      { location: "G" }
+    ]
+  }];
+
+  // Handled in other deflating tests
+  thread.markers = [];
+
+  let meta = data.meta = {};
+  meta.version = 2;
+  meta.interval = 1;
+  meta.stackwalk = 0;
+  meta.product = "Firefox";
+  return data;
+})();
+
+var test = async function () {
+  let { target, panel, toolbox } = await initPerformance(SIMPLE_URL);
+  let { $, EVENTS, PerformanceController, DetailsView, OverviewView, JsCallTreeView } = panel.panelWin;
+
+  // Enable memory to test the memory-calltree and memory-flamegraph.
+  Services.prefs.setBoolPref(ALLOCATIONS_PREF, true);
+
+  // Create a structure from the data that mimics the old profiler's data.
+  // Different name for `ticks`, different way of storing time,
+  // and no memory, markers data.
+  let oldProfilerData = {
+    profilerData: { profile: PROFILER_DATA },
+    ticksData: TICKS_DATA,
+    recordingDuration: 10000,
+    fileType: "Recorded Performance Data",
+    version: 1
+  };
+
+  // Save recording as an old profiler data.
+  let file = FileUtils.getFile("TmpD", ["tmpprofile.json"]);
+  file.createUnique(Ci.nsIFile.NORMAL_FILE_TYPE, parseInt("666", 8));
+  await asyncCopy(oldProfilerData, file);
+
+  // Import recording.
+
+  let calltreeRendered = once(OverviewView, EVENTS.UI_FRAMERATE_GRAPH_RENDERED);
+  let fpsRendered = once(JsCallTreeView, EVENTS.UI_JS_CALL_TREE_RENDERED);
+  let imported = once(PerformanceController, EVENTS.RECORDING_IMPORTED);
+  await PerformanceController.importRecording("", file);
+
+  await imported;
+  ok(true, "The original profiler data appears to have been successfully imported.");
+
+  await calltreeRendered;
+  await fpsRendered;
+  ok(true, "The imported data was re-rendered.");
+
+  // Ensure that only framerate and js calltree/flamegraph view are available
+  is(isVisible($("#overview-pane")), true, "overview graph container still shown");
+  is(isVisible($("#memory-overview")), false, "memory graph hidden");
+  is(isVisible($("#markers-overview")), false, "markers overview graph hidden");
+  is(isVisible($("#time-framerate")), true, "fps graph shown");
+  is($("#select-waterfall-view").hidden, true, "waterfall button hidden");
+  is($("#select-js-calltree-view").hidden, false, "jscalltree button shown");
+  is($("#select-js-flamegraph-view").hidden, false, "jsflamegraph button shown");
+  is($("#select-memory-calltree-view").hidden, true, "memorycalltree button hidden");
+  is($("#select-memory-flamegraph-view").hidden, true, "memoryflamegraph button hidden");
+  ok(DetailsView.isViewSelected(JsCallTreeView), "jscalltree view selected as its the only option");
+
+  // Verify imported recording.
+
+  let importedData = PerformanceController.getCurrentRecording().getAllData();
+  let expected = Object.create({
+    duration: 10000,
+    markers: [].toSource(),
+    frames: [].toSource(),
+    memory: [].toSource(),
+    ticks: TICKS_DATA.toSource(),
+    profile: RecordingUtils.deflateProfile(JSON.parse(JSON.stringify(PROFILER_DATA))).toSource(),
+    allocations: ({sites:[], timestamps:[], frames:[], sizes: []}).toSource(),
+    withTicks: true,
+    withMemory: false,
+    sampleFrequency: void 0
+  });
+
+  for (let field in expected) {
+    if (!!~["withTicks", "withMemory", "sampleFrequency"].indexOf(field)) {
+      is(importedData.configuration[field], expected[field], `${field} successfully converted in legacy import.`);
+    } else if (field === "profile") {
+      is(importedData.profile.toSource(), expected.profile,
+        "profiler data's samples successfully converted in legacy import.");
+      is(importedData.profile.meta.version, 3, "Updated meta version to 3.");
+    } else {
+      let data = importedData[field];
+      is(typeof data === "object" ? data.toSource() : data, expected[field],
+        `${field} successfully converted in legacy import.`);
+    }
+  }
+
+  await teardown(panel);
+  finish();
+};
+
+function getUnicodeConverter() {
+  let className = "@mozilla.org/intl/scriptableunicodeconverter";
+  let converter = Cc[className].createInstance(Ci.nsIScriptableUnicodeConverter);
+  converter.charset = "UTF-8";
+  return converter;
+}
+
+function asyncCopy(data, file) {
+  let string = JSON.stringify(data);
+  let inputStream = getUnicodeConverter().convertToInputStream(string);
+  let outputStream = FileUtils.openSafeFileOutputStream(file);
+
+  return new Promise((resolve, reject) => {
+    NetUtil.asyncCopy(inputStream, outputStream, status => {
+      if (!Components.isSuccessCode(status)) {
+        reject(new Error("Could not save data to file."));
+      }
+      resolve();
+    });
+  });
+}
+/* eslint-enable */
diff --git a/devtools/client/performance/test/browser_perf-recordings-io-05.js b/devtools/client/performance/test/browser_perf-recordings-io-05.js
new file mode 100644
index 0000000000..4d671543d2
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-recordings-io-05.js
@@ -0,0 +1,43 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+/* eslint-disable */
+/**
+ * Test that when importing and no graphs rendered yet, we do not get a
+ * `getMappedSelection` error.
+ */
+
+var test = async function () {
+  var { target, panel, toolbox } = await initPerformance(SIMPLE_URL);
+  var { EVENTS, PerformanceController, WaterfallView } = panel.panelWin;
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  // Save recording.
+
+  let file = FileUtils.getFile("TmpD", ["tmpprofile.json"]);
+  file.createUnique(Ci.nsIFile.NORMAL_FILE_TYPE, parseInt("666", 8));
+
+  let exported = once(PerformanceController, EVENTS.RECORDING_EXPORTED);
+  await PerformanceController.exportRecording("", PerformanceController.getCurrentRecording(), file);
+
+  await exported;
+  ok(true, "The recording data appears to have been successfully saved.");
+
+  // Clear and re-import.
+
+  await PerformanceController.clearRecordings();
+
+  let rendered = once(WaterfallView, EVENTS.UI_WATERFALL_RENDERED);
+  let imported = once(PerformanceController, EVENTS.RECORDING_IMPORTED);
+  await PerformanceController.importRecording("", file);
+  await imported;
+  await rendered;
+
+  ok(true, "No error was thrown.");
+
+  await teardown(panel);
+  finish();
+};
+/* eslint-enable */
diff --git a/devtools/client/performance/test/browser_perf-recordings-io-06.js b/devtools/client/performance/test/browser_perf-recordings-io-06.js
new file mode 100644
index 0000000000..06c55efe99
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-recordings-io-06.js
@@ -0,0 +1,140 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+/* eslint-disable */
+/**
+ * Tests if the performance tool can import profiler data when Profiler is v2
+ * and requires deflating, and has an extra thread that's a string. Not sure
+ * what causes this.
+ */
+var STRINGED_THREAD = (function () {
+  let thread = {};
+
+  thread.libs = [{
+    start: 123,
+    end: 456,
+    offset: 0,
+    name: "",
+    breakpadId: ""
+  }];
+  thread.meta = { version: 2, interval: 1, stackwalk: 0, processType: 1, startTime: 0 };
+  thread.threads = [{
+    name: "Plugin",
+    tid: 4197,
+    samples: [],
+    markers: [],
+  }];
+
+  return JSON.stringify(thread);
+})();
+
+var PROFILER_DATA = (function () {
+  let data = {};
+  let threads = data.threads = [];
+  let thread = {};
+  threads.push(thread);
+  threads.push(STRINGED_THREAD);
+  thread.name = "Content";
+  thread.samples = [{
+    time: 5,
+    frames: [
+      { location: "(root)" },
+      { location: "A" },
+      { location: "B" },
+      { location: "C" }
+    ]
+  }, {
+    time: 5 + 6,
+    frames: [
+      { location: "(root)" },
+      { location: "A" },
+      { location: "B" },
+      { location: "D" }
+    ]
+  }, {
+    time: 5 + 6 + 7,
+    frames: [
+      { location: "(root)" },
+      { location: "A" },
+      { location: "E" },
+      { location: "F" }
+    ]
+  }, {
+    time: 20,
+    frames: [
+      { location: "(root)" },
+      { location: "A" },
+      { location: "B" },
+      { location: "C" },
+      { location: "D" },
+      { location: "E" },
+      { location: "F" },
+      { location: "G" }
+    ]
+  }];
+
+  // Handled in other deflating tests
+  thread.markers = [];
+
+  let meta = data.meta = {};
+  meta.version = 2;
+  meta.interval = 1;
+  meta.stackwalk = 0;
+  meta.product = "Firefox";
+  return data;
+})();
+
+var test = async function () {
+  let { target, panel, toolbox } = await initPerformance(SIMPLE_URL);
+  let { $, EVENTS, PerformanceController, DetailsView, JsCallTreeView } = panel.panelWin;
+
+  let profilerData = {
+    profile: PROFILER_DATA,
+    duration: 10000,
+    configuration: {},
+    fileType: "Recorded Performance Data",
+    version: 2
+  };
+
+  let file = FileUtils.getFile("TmpD", ["tmpprofile.json"]);
+  file.createUnique(Ci.nsIFile.NORMAL_FILE_TYPE, parseInt("666", 8));
+  await asyncCopy(profilerData, file);
+
+  // Import recording.
+
+  let calltreeRendered = once(JsCallTreeView, EVENTS.UI_JS_CALL_TREE_RENDERED);
+  let imported = once(PerformanceController, EVENTS.RECORDING_IMPORTED);
+  await PerformanceController.importRecording("", file);
+
+  await imported;
+  ok(true, "The profiler data appears to have been successfully imported.");
+
+  await calltreeRendered;
+  ok(true, "The imported data was re-rendered.");
+
+  await teardown(panel);
+  finish();
+};
+
+function getUnicodeConverter() {
+  let className = "@mozilla.org/intl/scriptableunicodeconverter";
+  let converter = Cc[className].createInstance(Ci.nsIScriptableUnicodeConverter);
+  converter.charset = "UTF-8";
+  return converter;
+}
+
+function asyncCopy(data, file) {
+  let string = JSON.stringify(data);
+  let inputStream = getUnicodeConverter().convertToInputStream(string);
+  let outputStream = FileUtils.openSafeFileOutputStream(file);
+
+  return new Promise((resolve, reject) => {
+    NetUtil.asyncCopy(inputStream, outputStream, status => {
+      if (!Components.isSuccessCode(status)) {
+        reject(new Error("Could not save data to file."));
+      }
+      resolve();
+    });
+  });
+}
+/* eslint-enable */
diff --git a/devtools/client/performance/test/browser_perf-refresh.js b/devtools/client/performance/test/browser_perf-refresh.js
new file mode 100644
index 0000000000..bea41c5fc6
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-refresh.js
@@ -0,0 +1,47 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Rough test that the recording still continues after a refresh.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+  reload,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  waitUntil,
+} = require("devtools/client/performance/test/helpers/wait-utils");
+
+add_task(async function() {
+  const { panel, target } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { PerformanceController } = panel.panelWin;
+
+  await startRecording(panel);
+  await reload(target);
+
+  const recording = PerformanceController.getCurrentRecording();
+  const markersLength = recording.getAllData().markers.length;
+
+  ok(
+    recording.isRecording(),
+    "RecordingModel should still be recording after reload"
+  );
+
+  await waitUntil(() => recording.getMarkers().length > markersLength);
+  ok(true, "Markers continue after reload.");
+
+  await stopRecording(panel);
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-states.js b/devtools/client/performance/test/browser_perf-states.js
new file mode 100644
index 0000000000..d55c24872c
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-states.js
@@ -0,0 +1,176 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that view states and lazy component intialization works.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  UI_ENABLE_MEMORY_PREF,
+  UI_ENABLE_ALLOCATIONS_PREF,
+} = require("devtools/client/performance/test/helpers/prefs");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { PerformanceView, OverviewView, DetailsView } = panel.panelWin;
+
+  is(
+    PerformanceView.getState(),
+    "empty",
+    "The intial state of the performance panel view is correct."
+  );
+
+  ok(
+    !OverviewView.graphs.get("timeline"),
+    "The markers graph should not have been created yet."
+  );
+  ok(
+    !OverviewView.graphs.get("memory"),
+    "The memory graph should not have been created yet."
+  );
+  ok(
+    !OverviewView.graphs.get("framerate"),
+    "The framerate graph should not have been created yet."
+  );
+
+  ok(
+    !DetailsView.components.waterfall.initialized,
+    "The waterfall detail view should not have been created yet."
+  );
+  ok(
+    !DetailsView.components["js-calltree"].initialized,
+    "The js-calltree detail view should not have been created yet."
+  );
+  ok(
+    !DetailsView.components["js-flamegraph"].initialized,
+    "The js-flamegraph detail view should not have been created yet."
+  );
+  ok(
+    !DetailsView.components["memory-calltree"].initialized,
+    "The memory-calltree detail view should not have been created yet."
+  );
+  ok(
+    !DetailsView.components["memory-flamegraph"].initialized,
+    "The memory-flamegraph detail view should not have been created yet."
+  );
+
+  Services.prefs.setBoolPref(UI_ENABLE_MEMORY_PREF, true);
+  Services.prefs.setBoolPref(UI_ENABLE_ALLOCATIONS_PREF, true);
+
+  ok(
+    !OverviewView.graphs.get("timeline"),
+    "The markers graph should still not have been created yet."
+  );
+  ok(
+    !OverviewView.graphs.get("memory"),
+    "The memory graph should still not have been created yet."
+  );
+  ok(
+    !OverviewView.graphs.get("framerate"),
+    "The framerate graph should still not have been created yet."
+  );
+
+  await startRecording(panel);
+
+  is(
+    PerformanceView.getState(),
+    "recording",
+    "The current state of the performance panel view is 'recording'."
+  );
+  ok(
+    OverviewView.graphs.get("memory"),
+    "The memory graph should have been created now."
+  );
+  ok(
+    OverviewView.graphs.get("framerate"),
+    "The framerate graph should have been created now."
+  );
+
+  await stopRecording(panel);
+
+  is(
+    PerformanceView.getState(),
+    "recorded",
+    "The current state of the performance panel view is 'recorded'."
+  );
+  ok(
+    !DetailsView.components["js-calltree"].initialized,
+    "The js-calltree detail view should still not have been created yet."
+  );
+  ok(
+    !DetailsView.components["js-flamegraph"].initialized,
+    "The js-flamegraph detail view should still not have been created yet."
+  );
+  ok(
+    !DetailsView.components["memory-calltree"].initialized,
+    "The memory-calltree detail view should still not have been created yet."
+  );
+  ok(
+    !DetailsView.components["memory-flamegraph"].initialized,
+    "The memory-flamegraph detail view should still not have been created yet."
+  );
+
+  await DetailsView.selectView("js-calltree");
+
+  is(
+    PerformanceView.getState(),
+    "recorded",
+    "The current state of the performance panel view is still 'recorded'."
+  );
+  ok(
+    DetailsView.components["js-calltree"].initialized,
+    "The js-calltree detail view should still have been created now."
+  );
+  ok(
+    !DetailsView.components["js-flamegraph"].initialized,
+    "The js-flamegraph detail view should still not have been created yet."
+  );
+  ok(
+    !DetailsView.components["memory-calltree"].initialized,
+    "The memory-calltree detail view should still not have been created yet."
+  );
+  ok(
+    !DetailsView.components["memory-flamegraph"].initialized,
+    "The memory-flamegraph detail view should still not have been created yet."
+  );
+
+  await DetailsView.selectView("memory-calltree");
+
+  is(
+    PerformanceView.getState(),
+    "recorded",
+    "The current state of the performance panel view is still 'recorded'."
+  );
+  ok(
+    DetailsView.components["js-calltree"].initialized,
+    "The js-calltree detail view should still register as being created."
+  );
+  ok(
+    !DetailsView.components["js-flamegraph"].initialized,
+    "The js-flamegraph detail view should still not have been created yet."
+  );
+  ok(
+    DetailsView.components["memory-calltree"].initialized,
+    "The memory-calltree detail view should still have been created now."
+  );
+  ok(
+    !DetailsView.components["memory-flamegraph"].initialized,
+    "The memory-flamegraph detail view should still not have been created yet."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_perf-telemetry-01.js b/devtools/client/performance/test/browser_perf-telemetry-01.js
new file mode 100644
index 0000000000..6c236c8639
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-telemetry-01.js
@@ -0,0 +1,86 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/**
+ * Tests that the performance telemetry module records events at appropriate times.
+ * Specificaly the state about a recording process.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  UI_ENABLE_MEMORY_PREF,
+} = require("devtools/client/performance/test/helpers/prefs");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+
+add_task(async function() {
+  startTelemetry();
+
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  Services.prefs.setBoolPref(UI_ENABLE_MEMORY_PREF, false);
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  Services.prefs.setBoolPref(UI_ENABLE_MEMORY_PREF, true);
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  checkResults();
+
+  await teardownToolboxAndRemoveTab(panel);
+});
+
+function checkResults() {
+  // For help generating these tests use generateTelemetryTests("DEVTOOLS_PERFTOOLS_")
+  // here.
+  checkTelemetry(
+    "DEVTOOLS_PERFTOOLS_RECORDING_COUNT",
+    "",
+    { 0: 2, 1: 0 },
+    "array"
+  );
+  checkTelemetry(
+    "DEVTOOLS_PERFTOOLS_RECORDING_DURATION_MS",
+    "",
+    null,
+    "hasentries"
+  );
+  checkTelemetry(
+    "DEVTOOLS_PERFTOOLS_RECORDING_FEATURES_USED",
+    "withMarkers",
+    { 0: 0, 1: 2, 2: 0 },
+    "array"
+  );
+  checkTelemetry(
+    "DEVTOOLS_PERFTOOLS_RECORDING_FEATURES_USED",
+    "withMemory",
+    { 0: 1, 1: 1, 2: 0 },
+    "array"
+  );
+  checkTelemetry(
+    "DEVTOOLS_PERFTOOLS_RECORDING_FEATURES_USED",
+    "withAllocations",
+    { 0: 2, 1: 0 },
+    "array"
+  );
+  checkTelemetry(
+    "DEVTOOLS_PERFTOOLS_RECORDING_FEATURES_USED",
+    "withTicks",
+    { 0: 0, 1: 2, 2: 0 },
+    "array"
+  );
+}
diff --git a/devtools/client/performance/test/browser_perf-telemetry-02.js b/devtools/client/performance/test/browser_perf-telemetry-02.js
new file mode 100644
index 0000000000..c76a349b6d
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-telemetry-02.js
@@ -0,0 +1,69 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the performance telemetry module records events at appropriate times.
+ * Specifically export/import.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+
+add_task(async function() {
+  startTelemetry();
+
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { EVENTS, PerformanceController } = panel.panelWin;
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  const file = FileUtils.getFile("TmpD", ["tmpprofile.json"]);
+  file.createUnique(Ci.nsIFile.NORMAL_FILE_TYPE, parseInt("666", 8));
+
+  const exported = once(PerformanceController, EVENTS.RECORDING_EXPORTED);
+  await PerformanceController.exportRecording(
+    PerformanceController.getCurrentRecording(),
+    file
+  );
+  await exported;
+
+  const imported = once(PerformanceController, EVENTS.RECORDING_IMPORTED);
+  await PerformanceController.importRecording(file);
+  await imported;
+
+  checkResults();
+  await teardownToolboxAndRemoveTab(panel);
+});
+
+function checkResults() {
+  // For help generating these tests use generateTelemetryTests("DEVTOOLS_PERFTOOLS_")
+  // here.
+  checkTelemetry(
+    "DEVTOOLS_PERFTOOLS_RECORDING_IMPORT_FLAG",
+    "",
+    { 0: 0, 1: 1, 2: 0 },
+    "array"
+  );
+  checkTelemetry(
+    "DEVTOOLS_PERFTOOLS_RECORDING_EXPORT_FLAG",
+    "",
+    { 0: 0, 1: 1, 2: 0 },
+    "array"
+  );
+}
diff --git a/devtools/client/performance/test/browser_perf-telemetry-03.js b/devtools/client/performance/test/browser_perf-telemetry-03.js
new file mode 100644
index 0000000000..2983b1a125
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-telemetry-03.js
@@ -0,0 +1,83 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the performance telemetry module records events at appropriate times.
+ * Specifically the destruction of certain views.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+
+add_task(async function() {
+  startTelemetry();
+
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const {
+    EVENTS,
+    DetailsView,
+    JsCallTreeView,
+    JsFlameGraphView,
+  } = panel.panelWin;
+
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  const calltreeRendered = once(
+    JsCallTreeView,
+    EVENTS.UI_JS_CALL_TREE_RENDERED
+  );
+  const flamegraphRendered = once(
+    JsFlameGraphView,
+    EVENTS.UI_JS_FLAMEGRAPH_RENDERED
+  );
+
+  // Go through some views to check later.
+  await DetailsView.selectView("js-calltree");
+  await calltreeRendered;
+
+  await DetailsView.selectView("js-flamegraph");
+  await flamegraphRendered;
+
+  await teardownToolboxAndRemoveTab(panel);
+
+  checkResults();
+});
+
+function checkResults() {
+  // For help generating these tests use generateTelemetryTests("DEVTOOLS_PERFTOOLS_")
+  // here.
+  checkTelemetry(
+    "DEVTOOLS_PERFTOOLS_SELECTED_VIEW_MS",
+    "js-calltree",
+    null,
+    "hasentries"
+  );
+  checkTelemetry(
+    "DEVTOOLS_PERFTOOLS_SELECTED_VIEW_MS",
+    "js-flamegraph",
+    null,
+    "hasentries"
+  );
+  checkTelemetry(
+    "DEVTOOLS_PERFTOOLS_SELECTED_VIEW_MS",
+    "waterfall",
+    null,
+    "hasentries"
+  );
+}
diff --git a/devtools/client/performance/test/browser_perf-telemetry-04.js b/devtools/client/performance/test/browser_perf-telemetry-04.js
new file mode 100644
index 0000000000..68df776cf5
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-telemetry-04.js
@@ -0,0 +1,87 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the performance telemetry module records events at appropriate times.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInTab,
+  initConsoleInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  waitForRecordingStartedEvents,
+  waitForRecordingStoppedEvents,
+} = require("devtools/client/performance/test/helpers/actions");
+
+add_task(async function() {
+  startTelemetry();
+
+  const { target, console } = await initConsoleInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { panel } = await initPerformanceInTab({ tab: target.localTab });
+
+  const started = waitForRecordingStartedEvents(panel, {
+    // only emitted for manual recordings
+    skipWaitingForBackendReady: true,
+  });
+  await console.profile("rust");
+  await started;
+
+  const stopped = waitForRecordingStoppedEvents(panel, {
+    // only emitted for manual recordings
+    skipWaitingForBackendReady: true,
+  });
+  await console.profileEnd("rust");
+  await stopped;
+
+  checkResults();
+  await teardownToolboxAndRemoveTab(panel);
+});
+
+function checkResults() {
+  // For help generating these tests use generateTelemetryTests("DEVTOOLS_PERFTOOLS_")
+  // here.
+  checkTelemetry(
+    "DEVTOOLS_PERFTOOLS_CONSOLE_RECORDING_COUNT",
+    "",
+    { 0: 1, 1: 0 },
+    "array"
+  );
+  checkTelemetry(
+    "DEVTOOLS_PERFTOOLS_RECORDING_DURATION_MS",
+    "",
+    null,
+    "hasentries"
+  );
+  checkTelemetry(
+    "DEVTOOLS_PERFTOOLS_RECORDING_FEATURES_USED",
+    "withMarkers",
+    { 0: 0, 1: 1, 2: 0 },
+    "array"
+  );
+  checkTelemetry(
+    "DEVTOOLS_PERFTOOLS_RECORDING_FEATURES_USED",
+    "withMemory",
+    { 0: 1, 1: 0 },
+    "array"
+  );
+  checkTelemetry(
+    "DEVTOOLS_PERFTOOLS_RECORDING_FEATURES_USED",
+    "withAllocations",
+    { 0: 1, 1: 0 },
+    "array"
+  );
+  checkTelemetry(
+    "DEVTOOLS_PERFTOOLS_RECORDING_FEATURES_USED",
+    "withTicks",
+    { 0: 0, 1: 1, 2: 0 },
+    "array"
+  );
+}
diff --git a/devtools/client/performance/test/browser_perf-theme-toggle.js b/devtools/client/performance/test/browser_perf-theme-toggle.js
new file mode 100644
index 0000000000..b866e59b6a
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-theme-toggle.js
@@ -0,0 +1,78 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+/* eslint-disable */
+/**
+ * Tests if the markers and memory overviews render with the correct
+ * theme on load, and rerenders when changed.
+ */
+
+const { setTheme } = require("devtools/client/shared/theme");
+
+const LIGHT_BG = "white";
+const DARK_BG = "#14171a";
+
+setTheme("dark");
+Services.prefs.setBoolPref(MEMORY_PREF, false);
+
+requestLongerTimeout(2);
+
+async function spawnTest() {
+  let { panel } = await initPerformance(SIMPLE_URL);
+  let { EVENTS, $, OverviewView, document: doc } = panel.panelWin;
+
+  await startRecording(panel);
+  let markers = OverviewView.graphs.get("timeline");
+  is(markers.backgroundColor, DARK_BG,
+    "correct theme on load for markers.");
+  await stopRecording(panel);
+
+  let refreshed = once(markers, "refresh");
+  setTheme("light");
+  await refreshed;
+
+  ok(true, "markers were rerendered after theme change.");
+  is(markers.backgroundColor, LIGHT_BG,
+    "correct theme on after toggle for markers.");
+
+  // reset back to dark
+  refreshed = once(markers, "refresh");
+  setTheme("dark");
+  await refreshed;
+
+  info("Testing with memory overview");
+
+  Services.prefs.setBoolPref(MEMORY_PREF, true);
+
+  await startRecording(panel);
+  let memory = OverviewView.graphs.get("memory");
+  is(memory.backgroundColor, DARK_BG,
+    "correct theme on load for memory.");
+  await stopRecording(panel);
+
+  refreshed = Promise.all([
+    once(markers, "refresh"),
+    once(memory, "refresh"),
+  ]);
+  setTheme("light");
+  await refreshed;
+
+  ok(true, "Both memory and markers were rerendered after theme change.");
+  is(markers.backgroundColor, LIGHT_BG,
+    "correct theme on after toggle for markers.");
+  is(memory.backgroundColor, LIGHT_BG,
+    "correct theme on after toggle for memory.");
+
+  refreshed = Promise.all([
+    once(markers, "refresh"),
+    once(memory, "refresh"),
+  ]);
+
+  // Set theme back to light
+  setTheme("light");
+  await refreshed;
+
+  await teardown(panel);
+  finish();
+}
+/* eslint-enable */
diff --git a/devtools/client/performance/test/browser_perf-tree-abstract-01.js b/devtools/client/performance/test/browser_perf-tree-abstract-01.js
new file mode 100644
index 0000000000..75c8c3803b
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-tree-abstract-01.js
@@ -0,0 +1,205 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if the abstract tree base class for the profiler's tree view
+ * works as advertised.
+ */
+
+const {
+  appendAndWaitForPaint,
+} = require("devtools/client/performance/test/helpers/dom-utils");
+const {
+  synthesizeCustomTreeClass,
+} = require("devtools/client/performance/test/helpers/synth-utils");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+
+add_task(async function() {
+  const { MyCustomTreeItem, myDataSrc } = synthesizeCustomTreeClass();
+
+  const container = document.createXULElement("vbox");
+  await appendAndWaitForPaint(gBrowser.selectedBrowser.parentNode, container);
+
+  // Populate the tree and test the root item...
+
+  const treeRoot = new MyCustomTreeItem(myDataSrc, { parent: null });
+  treeRoot.attachTo(container);
+
+  ok(!treeRoot.expanded, "The root node should not be expanded yet.");
+  ok(!treeRoot.populated, "The root node should not be populated yet.");
+
+  is(
+    container.childNodes.length,
+    1,
+    "The container node should have one child available."
+  );
+  is(
+    container.childNodes[0],
+    treeRoot.target,
+    "The root node's target is a child of the container node."
+  );
+
+  is(treeRoot.root, treeRoot, "The root node has the correct root.");
+  is(treeRoot.parent, null, "The root node has the correct parent.");
+  is(treeRoot.level, 0, "The root node has the correct level.");
+  is(
+    treeRoot.target.style.marginInlineStart,
+    "0px",
+    "The root node's indentation is correct."
+  );
+  is(
+    treeRoot.target.textContent,
+    "root",
+    "The root node's text contents are correct."
+  );
+  is(treeRoot.container, container, "The root node's container is correct.");
+
+  // Expand the root and test the child items...
+
+  let receivedExpandEvent = once(treeRoot, "expand", { spreadArgs: true });
+  let receivedFocusEvent = once(treeRoot, "focus");
+  await mousedown(treeRoot.target.querySelector(".arrow"));
+
+  let [eventItem] = await receivedExpandEvent;
+  is(eventItem, treeRoot, "The 'expand' event target is correct (1).");
+
+  await receivedFocusEvent;
+  is(
+    document.commandDispatcher.focusedElement,
+    treeRoot.target,
+    "The root node is now focused."
+  );
+
+  const fooItem = treeRoot.getChild(0);
+  const barItem = treeRoot.getChild(1);
+
+  is(
+    container.childNodes.length,
+    3,
+    "The container node should now have three children available."
+  );
+  is(
+    container.childNodes[0],
+    treeRoot.target,
+    "The root node's target is a child of the container node."
+  );
+  is(
+    container.childNodes[1],
+    fooItem.target,
+    "The 'foo' node's target is a child of the container node."
+  );
+  is(
+    container.childNodes[2],
+    barItem.target,
+    "The 'bar' node's target is a child of the container node."
+  );
+
+  is(fooItem.root, treeRoot, "The 'foo' node has the correct root.");
+  is(fooItem.parent, treeRoot, "The 'foo' node has the correct parent.");
+  is(fooItem.level, 1, "The 'foo' node has the correct level.");
+  is(
+    fooItem.target.style.marginInlineStart,
+    "10px",
+    "The 'foo' node's indentation is correct."
+  );
+  is(
+    fooItem.target.textContent,
+    "foo",
+    "The 'foo' node's text contents are correct."
+  );
+  is(fooItem.container, container, "The 'foo' node's container is correct.");
+
+  is(barItem.root, treeRoot, "The 'bar' node has the correct root.");
+  is(barItem.parent, treeRoot, "The 'bar' node has the correct parent.");
+  is(barItem.level, 1, "The 'bar' node has the correct level.");
+  is(
+    barItem.target.style.marginInlineStart,
+    "10px",
+    "The 'bar' node's indentation is correct."
+  );
+  is(
+    barItem.target.textContent,
+    "bar",
+    "The 'bar' node's text contents are correct."
+  );
+  is(barItem.container, container, "The 'bar' node's container is correct.");
+
+  // Test clicking on the `foo` node...
+
+  receivedFocusEvent = once(treeRoot, "focus", { spreadArgs: true });
+  await mousedown(fooItem.target);
+
+  [eventItem] = await receivedFocusEvent;
+  is(eventItem, fooItem, "The 'focus' event target is correct (2).");
+  is(
+    document.commandDispatcher.focusedElement,
+    fooItem.target,
+    "The 'foo' node is now focused."
+  );
+
+  // Test double clicking on the `bar` node...
+
+  receivedExpandEvent = once(treeRoot, "expand", { spreadArgs: true });
+  receivedFocusEvent = once(treeRoot, "focus");
+  await dblclick(barItem.target);
+
+  [eventItem] = await receivedExpandEvent;
+  is(eventItem, barItem, "The 'expand' event target is correct (3).");
+
+  await receivedFocusEvent;
+  is(
+    document.commandDispatcher.focusedElement,
+    barItem.target,
+    "The 'foo' node is now focused."
+  );
+
+  // A child item got expanded, test the descendants...
+
+  const bazItem = barItem.getChild(0);
+
+  is(
+    container.childNodes.length,
+    4,
+    "The container node should now have four children available."
+  );
+  is(
+    container.childNodes[0],
+    treeRoot.target,
+    "The root node's target is a child of the container node."
+  );
+  is(
+    container.childNodes[1],
+    fooItem.target,
+    "The 'foo' node's target is a child of the container node."
+  );
+  is(
+    container.childNodes[2],
+    barItem.target,
+    "The 'bar' node's target is a child of the container node."
+  );
+  is(
+    container.childNodes[3],
+    bazItem.target,
+    "The 'baz' node's target is a child of the container node."
+  );
+
+  is(bazItem.root, treeRoot, "The 'baz' node has the correct root.");
+  is(bazItem.parent, barItem, "The 'baz' node has the correct parent.");
+  is(bazItem.level, 2, "The 'baz' node has the correct level.");
+  is(
+    bazItem.target.style.marginInlineStart,
+    "20px",
+    "The 'baz' node's indentation is correct."
+  );
+  is(
+    bazItem.target.textContent,
+    "baz",
+    "The 'baz' node's text contents are correct."
+  );
+  is(bazItem.container, container, "The 'baz' node's container is correct.");
+
+  container.remove();
+});
diff --git a/devtools/client/performance/test/browser_perf-tree-abstract-02.js b/devtools/client/performance/test/browser_perf-tree-abstract-02.js
new file mode 100644
index 0000000000..0eeb539c32
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-tree-abstract-02.js
@@ -0,0 +1,213 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if the abstract tree base class for the profiler's tree view
+ * has a functional public API.
+ */
+
+const {
+  appendAndWaitForPaint,
+} = require("devtools/client/performance/test/helpers/dom-utils");
+const {
+  synthesizeCustomTreeClass,
+} = require("devtools/client/performance/test/helpers/synth-utils");
+
+add_task(async function() {
+  const { MyCustomTreeItem, myDataSrc } = synthesizeCustomTreeClass();
+
+  const container = document.createXULElement("vbox");
+  await appendAndWaitForPaint(gBrowser.selectedBrowser.parentNode, container);
+
+  // Populate the tree and test the root item...
+
+  const treeRoot = new MyCustomTreeItem(myDataSrc, { parent: null });
+  treeRoot.autoExpandDepth = 1;
+  treeRoot.attachTo(container);
+
+  ok(treeRoot.expanded, "The root node should now be expanded.");
+  ok(treeRoot.populated, "The root node should now be populated.");
+
+  const fooItem = treeRoot.getChild(0);
+  const barItem = treeRoot.getChild(1);
+  ok(
+    !fooItem.expanded && !barItem.expanded,
+    "The 'foo' and 'bar' nodes should not be expanded yet."
+  );
+  ok(
+    !fooItem.populated && !barItem.populated,
+    "The 'foo' and 'bar' nodes should not be populated yet."
+  );
+
+  fooItem.expand();
+  barItem.expand();
+  ok(
+    fooItem.expanded && barItem.expanded,
+    "The 'foo' and 'bar' nodes should now be expanded."
+  );
+  ok(
+    !fooItem.populated,
+    "The 'foo' node should not be populated because it's empty."
+  );
+  ok(barItem.populated, "The 'bar' node should now be populated.");
+
+  const bazItem = barItem.getChild(0);
+  ok(!bazItem.expanded, "The 'bar' node should not be expanded yet.");
+  ok(!bazItem.populated, "The 'bar' node should not be populated yet.");
+
+  bazItem.expand();
+  ok(bazItem.expanded, "The 'baz' node should now be expanded.");
+  ok(
+    !bazItem.populated,
+    "The 'baz' node should not be populated because it's empty."
+  );
+
+  ok(
+    !treeRoot.getChild(-1) && !treeRoot.getChild(2),
+    "Calling `getChild` with out of bounds indices will return null (1)."
+  );
+  ok(
+    !fooItem.getChild(-1) && !fooItem.getChild(0),
+    "Calling `getChild` with out of bounds indices will return null (2)."
+  );
+  ok(
+    !barItem.getChild(-1) && !barItem.getChild(1),
+    "Calling `getChild` with out of bounds indices will return null (3)."
+  );
+  ok(
+    !bazItem.getChild(-1) && !bazItem.getChild(0),
+    "Calling `getChild` with out of bounds indices will return null (4)."
+  );
+
+  // Finished expanding all nodes in the tree...
+  // Continue checking.
+
+  is(
+    container.childNodes.length,
+    4,
+    "The container node should now have four children available."
+  );
+  is(
+    container.childNodes[0],
+    treeRoot.target,
+    "The root node's target is a child of the container node."
+  );
+  is(
+    container.childNodes[1],
+    fooItem.target,
+    "The 'foo' node's target is a child of the container node."
+  );
+  is(
+    container.childNodes[2],
+    barItem.target,
+    "The 'bar' node's target is a child of the container node."
+  );
+  is(
+    container.childNodes[3],
+    bazItem.target,
+    "The 'baz' node's target is a child of the container node."
+  );
+
+  treeRoot.collapse();
+  is(
+    container.childNodes.length,
+    1,
+    "The container node should now have one children available."
+  );
+
+  ok(!treeRoot.expanded, "The root node should not be expanded anymore.");
+  ok(
+    fooItem.expanded && barItem.expanded && bazItem.expanded,
+    "The 'foo', 'bar' and 'baz' nodes should still be expanded."
+  );
+  ok(
+    treeRoot.populated && barItem.populated,
+    "The root and 'bar' nodes should still be populated."
+  );
+  ok(
+    !fooItem.populated && !bazItem.populated,
+    "The 'foo' and 'baz' nodes should still not be populated because they're empty."
+  );
+
+  treeRoot.expand();
+  is(
+    container.childNodes.length,
+    4,
+    "The container node should now have four children available again."
+  );
+
+  ok(
+    treeRoot.expanded &&
+      fooItem.expanded &&
+      barItem.expanded &&
+      bazItem.expanded,
+    "The root, 'foo', 'bar' and 'baz' nodes should now be reexpanded."
+  );
+  ok(
+    treeRoot.populated && barItem.populated,
+    "The root and 'bar' nodes should still be populated."
+  );
+  ok(
+    !fooItem.populated && !bazItem.populated,
+    "The 'foo' and 'baz' nodes should still not be populated because they're empty."
+  );
+
+  // Test `focus` on the root node...
+
+  treeRoot.focus();
+  is(
+    document.commandDispatcher.focusedElement,
+    treeRoot.target,
+    "The root node is now focused."
+  );
+
+  // Test `focus` on a leaf node...
+
+  bazItem.focus();
+  is(
+    document.commandDispatcher.focusedElement,
+    bazItem.target,
+    "The 'baz' node is now focused."
+  );
+
+  // Test `remove`...
+
+  barItem.remove();
+  is(
+    container.childNodes.length,
+    2,
+    "The container node should now have two children available."
+  );
+  is(
+    container.childNodes[0],
+    treeRoot.target,
+    "The root node should be the first in the container node."
+  );
+  is(
+    container.childNodes[1],
+    fooItem.target,
+    "The 'foo' node should be the second in the container node."
+  );
+
+  fooItem.remove();
+  is(
+    container.childNodes.length,
+    1,
+    "The container node should now have one children available."
+  );
+  is(
+    container.childNodes[0],
+    treeRoot.target,
+    "The root node should be the only in the container node."
+  );
+
+  treeRoot.remove();
+  is(
+    container.childNodes.length,
+    0,
+    "The container node should now have no children available."
+  );
+
+  container.remove();
+});
diff --git a/devtools/client/performance/test/browser_perf-tree-abstract-03.js b/devtools/client/performance/test/browser_perf-tree-abstract-03.js
new file mode 100644
index 0000000000..9ec289944b
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-tree-abstract-03.js
@@ -0,0 +1,207 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if the abstract tree base class for the profiler's tree view
+ * is keyboard accessible.
+ */
+
+const {
+  appendAndWaitForPaint,
+} = require("devtools/client/performance/test/helpers/dom-utils");
+const {
+  synthesizeCustomTreeClass,
+} = require("devtools/client/performance/test/helpers/synth-utils");
+
+add_task(async function() {
+  const { MyCustomTreeItem, myDataSrc } = synthesizeCustomTreeClass();
+
+  const container = document.createXULElement("vbox");
+  await appendAndWaitForPaint(gBrowser.selectedBrowser.parentNode, container);
+
+  // Populate the tree by pressing RIGHT...
+
+  const treeRoot = new MyCustomTreeItem(myDataSrc, { parent: null });
+  treeRoot.attachTo(container);
+  treeRoot.focus();
+
+  key("VK_RIGHT");
+  ok(treeRoot.expanded, "The root node is now expanded.");
+  is(
+    document.commandDispatcher.focusedElement,
+    treeRoot.target,
+    "The root node is still focused."
+  );
+
+  const fooItem = treeRoot.getChild(0);
+  const barItem = treeRoot.getChild(1);
+
+  key("VK_RIGHT");
+  ok(!fooItem.expanded, "The 'foo' node is not expanded yet.");
+  is(
+    document.commandDispatcher.focusedElement,
+    fooItem.target,
+    "The 'foo' node is now focused."
+  );
+
+  key("VK_RIGHT");
+  ok(fooItem.expanded, "The 'foo' node is now expanded.");
+  is(
+    document.commandDispatcher.focusedElement,
+    fooItem.target,
+    "The 'foo' node is still focused."
+  );
+
+  key("VK_RIGHT");
+  ok(!barItem.expanded, "The 'bar' node is not expanded yet.");
+  is(
+    document.commandDispatcher.focusedElement,
+    barItem.target,
+    "The 'bar' node is now focused."
+  );
+
+  key("VK_RIGHT");
+  ok(barItem.expanded, "The 'bar' node is now expanded.");
+  is(
+    document.commandDispatcher.focusedElement,
+    barItem.target,
+    "The 'bar' node is still focused."
+  );
+
+  const bazItem = barItem.getChild(0);
+
+  key("VK_RIGHT");
+  ok(!bazItem.expanded, "The 'baz' node is not expanded yet.");
+  is(
+    document.commandDispatcher.focusedElement,
+    bazItem.target,
+    "The 'baz' node is now focused."
+  );
+
+  key("VK_RIGHT");
+  ok(bazItem.expanded, "The 'baz' node is now expanded.");
+  is(
+    document.commandDispatcher.focusedElement,
+    bazItem.target,
+    "The 'baz' node is still focused."
+  );
+
+  // Test RIGHT on a leaf node.
+
+  key("VK_RIGHT");
+  is(
+    document.commandDispatcher.focusedElement,
+    bazItem.target,
+    "The 'baz' node is still focused."
+  );
+
+  // Test DOWN on a leaf node.
+
+  key("VK_DOWN");
+  is(
+    document.commandDispatcher.focusedElement,
+    bazItem.target,
+    "The 'baz' node is now refocused."
+  );
+
+  // Test UP.
+
+  key("VK_UP");
+  is(
+    document.commandDispatcher.focusedElement,
+    barItem.target,
+    "The 'bar' node is now refocused."
+  );
+
+  key("VK_UP");
+  is(
+    document.commandDispatcher.focusedElement,
+    fooItem.target,
+    "The 'foo' node is now refocused."
+  );
+
+  key("VK_UP");
+  is(
+    document.commandDispatcher.focusedElement,
+    treeRoot.target,
+    "The root node is now refocused."
+  );
+
+  // Test DOWN.
+
+  key("VK_DOWN");
+  is(
+    document.commandDispatcher.focusedElement,
+    fooItem.target,
+    "The 'foo' node is now refocused."
+  );
+
+  key("VK_DOWN");
+  is(
+    document.commandDispatcher.focusedElement,
+    barItem.target,
+    "The 'bar' node is now refocused."
+  );
+
+  key("VK_DOWN");
+  is(
+    document.commandDispatcher.focusedElement,
+    bazItem.target,
+    "The 'baz' node is now refocused."
+  );
+
+  // Test LEFT.
+
+  key("VK_LEFT");
+  ok(barItem.expanded, "The 'bar' node is still expanded.");
+  is(
+    document.commandDispatcher.focusedElement,
+    barItem.target,
+    "The 'bar' node is now refocused."
+  );
+
+  key("VK_LEFT");
+  ok(!barItem.expanded, "The 'bar' node is not expanded anymore.");
+  is(
+    document.commandDispatcher.focusedElement,
+    barItem.target,
+    "The 'bar' node is still focused."
+  );
+
+  key("VK_LEFT");
+  ok(treeRoot.expanded, "The root node is still expanded.");
+  is(
+    document.commandDispatcher.focusedElement,
+    treeRoot.target,
+    "The root node is now refocused."
+  );
+
+  key("VK_LEFT");
+  ok(!treeRoot.expanded, "The root node is not expanded anymore.");
+  is(
+    document.commandDispatcher.focusedElement,
+    treeRoot.target,
+    "The root node is still focused."
+  );
+
+  // Test LEFT on the root node.
+
+  key("VK_LEFT");
+  is(
+    document.commandDispatcher.focusedElement,
+    treeRoot.target,
+    "The root node is still focused."
+  );
+
+  // Test UP on the root node.
+
+  key("VK_UP");
+  is(
+    document.commandDispatcher.focusedElement,
+    treeRoot.target,
+    "The root node is still focused."
+  );
+
+  container.remove();
+});
diff --git a/devtools/client/performance/test/browser_perf-tree-abstract-04.js b/devtools/client/performance/test/browser_perf-tree-abstract-04.js
new file mode 100644
index 0000000000..fe5acb7be8
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-tree-abstract-04.js
@@ -0,0 +1,44 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the treeview expander arrow doesn't react to dblclick events.
+ */
+
+const {
+  appendAndWaitForPaint,
+} = require("devtools/client/performance/test/helpers/dom-utils");
+const {
+  synthesizeCustomTreeClass,
+} = require("devtools/client/performance/test/helpers/synth-utils");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+
+add_task(async function() {
+  const { MyCustomTreeItem, myDataSrc } = synthesizeCustomTreeClass();
+
+  const container = document.createXULElement("vbox");
+  await appendAndWaitForPaint(gBrowser.selectedBrowser.parentNode, container);
+
+  // Populate the tree and test the root item...
+
+  const treeRoot = new MyCustomTreeItem(myDataSrc, { parent: null });
+  treeRoot.attachTo(container);
+
+  const originalTreeRootExpandedState = treeRoot.expanded;
+  info("Double clicking on the root item arrow and waiting for focus event.");
+
+  const receivedFocusEvent = once(treeRoot, "focus");
+  await dblclick(treeRoot.target.querySelector(".arrow"));
+  await receivedFocusEvent;
+
+  is(
+    treeRoot.expanded,
+    originalTreeRootExpandedState,
+    "A double click on the arrow was ignored."
+  );
+
+  container.remove();
+});
diff --git a/devtools/client/performance/test/browser_perf-tree-abstract-05.js b/devtools/client/performance/test/browser_perf-tree-abstract-05.js
new file mode 100644
index 0000000000..55cdb39224
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-tree-abstract-05.js
@@ -0,0 +1,139 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if the abstract tree base class for the profiler's tree view
+ * supports PageUp/PageDown/Home/End keys.
+ */
+
+const {
+  appendAndWaitForPaint,
+} = require("devtools/client/performance/test/helpers/dom-utils");
+const {
+  synthesizeCustomTreeClass,
+} = require("devtools/client/performance/test/helpers/synth-utils");
+
+add_task(async function() {
+  const { MyCustomTreeItem } = synthesizeCustomTreeClass();
+
+  const container = document.createXULElement("vbox");
+  container.style.height = "100%";
+  container.style.overflow = "scroll";
+  const browserStack = gBrowser.selectedBrowser.parentNode;
+  // Allow the browser stack to shrink since it will have really long content
+  browserStack.style.minHeight = "0";
+  registerCleanupFunction(() => {
+    browserStack.style.removeProperty("min-height");
+  });
+  await appendAndWaitForPaint(browserStack, container);
+
+  const myDataSrc = {
+    label: "root",
+    children: [],
+  };
+
+  for (let i = 0; i < 1000; i++) {
+    myDataSrc.children.push({
+      label: "child-" + i,
+      children: [],
+    });
+  }
+
+  const treeRoot = new MyCustomTreeItem(myDataSrc, { parent: null });
+  treeRoot.attachTo(container);
+  treeRoot.focus();
+  treeRoot.expand();
+
+  is(
+    document.commandDispatcher.focusedElement,
+    treeRoot.target,
+    "The root node is focused."
+  );
+
+  // Test HOME and END
+
+  key("VK_END");
+  is(
+    document.commandDispatcher.focusedElement,
+    treeRoot.getChild(myDataSrc.children.length - 1).target,
+    "The last node is focused."
+  );
+
+  key("VK_HOME");
+  is(
+    document.commandDispatcher.focusedElement,
+    treeRoot.target,
+    "The first (root) node is focused."
+  );
+
+  // Test PageUp and PageDown
+
+  const nodesPerPageSize = treeRoot._getNodesPerPageSize();
+
+  key("VK_PAGE_DOWN");
+  is(
+    document.commandDispatcher.focusedElement,
+    treeRoot.getChild(nodesPerPageSize - 1).target,
+    "The first node in the second page is focused."
+  );
+
+  key("VK_PAGE_DOWN");
+  is(
+    document.commandDispatcher.focusedElement,
+    treeRoot.getChild(nodesPerPageSize * 2 - 1).target,
+    "The first node in the third page is focused."
+  );
+
+  key("VK_PAGE_UP");
+  is(
+    document.commandDispatcher.focusedElement,
+    treeRoot.getChild(nodesPerPageSize - 1).target,
+    "The first node in the second page is focused."
+  );
+
+  key("VK_PAGE_UP");
+  is(
+    document.commandDispatcher.focusedElement,
+    treeRoot.target,
+    "The first (root) node is focused."
+  );
+
+  // Test PageUp in the middle of the first page
+
+  let middleIndex = Math.floor(nodesPerPageSize / 2);
+
+  treeRoot.getChild(middleIndex).target.focus();
+  is(
+    document.commandDispatcher.focusedElement,
+    treeRoot.getChild(middleIndex).target,
+    "The middle node in the first page is focused."
+  );
+
+  key("VK_PAGE_UP");
+  is(
+    document.commandDispatcher.focusedElement,
+    treeRoot.target,
+    "The first (root) node is focused."
+  );
+
+  // Test PageDown in the middle of the last page
+
+  middleIndex = Math.ceil(myDataSrc.children.length - middleIndex);
+
+  treeRoot.getChild(middleIndex).target.focus();
+  is(
+    document.commandDispatcher.focusedElement,
+    treeRoot.getChild(middleIndex).target,
+    "The middle node in the last page is focused."
+  );
+
+  key("VK_PAGE_DOWN");
+  is(
+    document.commandDispatcher.focusedElement,
+    treeRoot.getChild(myDataSrc.children.length - 1).target,
+    "The last node is focused."
+  );
+
+  container.remove();
+});
diff --git a/devtools/client/performance/test/browser_perf-tree-view-01.js b/devtools/client/performance/test/browser_perf-tree-view-01.js
new file mode 100644
index 0000000000..35b2164e61
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-tree-view-01.js
@@ -0,0 +1,122 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://foo/bar/creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if the profiler's tree view implementation works properly and
+ * creates the correct column structure.
+ */
+
+const {
+  ThreadNode,
+} = require("devtools/client/performance/modules/logic/tree-model");
+const {
+  CallView,
+} = require("devtools/client/performance/modules/widgets/tree-view");
+const {
+  synthesizeProfile,
+} = require("devtools/client/performance/test/helpers/synth-utils");
+
+add_task(function() {
+  const profile = synthesizeProfile();
+  const threadNode = new ThreadNode(profile.threads[0], {
+    startTime: 0,
+    endTime: 20,
+  });
+
+  // Don't display the synthesized (root) and the real (root) node twice.
+  threadNode.calls = threadNode.calls[0].calls;
+
+  const treeRoot = new CallView({ frame: threadNode });
+  const container = document.createXULElement("vbox");
+  treeRoot.autoExpandDepth = 0;
+  treeRoot.attachTo(container);
+
+  is(
+    container.childNodes.length,
+    1,
+    "The container node should have one child available."
+  );
+  is(
+    container.childNodes[0].className,
+    "call-tree-item",
+    "The root node in the tree has the correct class name."
+  );
+
+  is(
+    container.childNodes[0].childNodes.length,
+    6,
+    "The root node in the tree has the correct number of children."
+  );
+  is(
+    container.childNodes[0].querySelectorAll(".call-tree-cell").length,
+    6,
+    "The root node in the tree has only 6 'call-tree-cell' children."
+  );
+
+  is(
+    container.childNodes[0].childNodes[0].getAttribute("type"),
+    "duration",
+    "The root node in the tree has a duration cell."
+  );
+  is(
+    container.childNodes[0].childNodes[0].textContent.trim(),
+    "20 ms",
+    "The root node in the tree has the correct duration cell value."
+  );
+
+  is(
+    container.childNodes[0].childNodes[1].getAttribute("type"),
+    "percentage",
+    "The root node in the tree has a percentage cell."
+  );
+  is(
+    container.childNodes[0].childNodes[1].textContent.trim(),
+    "100%",
+    "The root node in the tree has the correct percentage cell value."
+  );
+
+  is(
+    container.childNodes[0].childNodes[2].getAttribute("type"),
+    "self-duration",
+    "The root node in the tree has a self-duration cell."
+  );
+  is(
+    container.childNodes[0].childNodes[2].textContent.trim(),
+    "0 ms",
+    "The root node in the tree has the correct self-duration cell value."
+  );
+
+  is(
+    container.childNodes[0].childNodes[3].getAttribute("type"),
+    "self-percentage",
+    "The root node in the tree has a self-percentage cell."
+  );
+  is(
+    container.childNodes[0].childNodes[3].textContent.trim(),
+    "0%",
+    "The root node in the tree has the correct self-percentage cell value."
+  );
+
+  is(
+    container.childNodes[0].childNodes[4].getAttribute("type"),
+    "samples",
+    "The root node in the tree has an samples cell."
+  );
+  is(
+    container.childNodes[0].childNodes[4].textContent.trim(),
+    "0",
+    "The root node in the tree has the correct samples cell value."
+  );
+
+  is(
+    container.childNodes[0].childNodes[5].getAttribute("type"),
+    "function",
+    "The root node in the tree has a function cell."
+  );
+  is(
+    container.childNodes[0].childNodes[5].style.marginInlineStart,
+    "0px",
+    "The root node in the tree has the correct indentation."
+  );
+});
diff --git a/devtools/client/performance/test/browser_perf-tree-view-02.js b/devtools/client/performance/test/browser_perf-tree-view-02.js
new file mode 100644
index 0000000000..222626e2eb
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-tree-view-02.js
@@ -0,0 +1,287 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if the profiler's tree view implementation works properly and
+ * creates the correct column structure after expanding some of the nodes.
+ * Also tests that demangling works.
+ */
+
+const {
+  ThreadNode,
+} = require("devtools/client/performance/modules/logic/tree-model");
+const {
+  CallView,
+} = require("devtools/client/performance/modules/widgets/tree-view");
+const {
+  synthesizeProfile,
+} = require("devtools/client/performance/test/helpers/synth-utils");
+
+const MANGLED_FN = "__Z3FooIiEvv";
+const UNMANGLED_FN = "void Foo<int>()";
+
+add_task(function() {
+  // Create a profile and mangle a function inside the string table.
+  const profile = synthesizeProfile();
+
+  profile.threads[0].stringTable[1] = profile.threads[0].stringTable[1].replace(
+    "A (",
+    `${MANGLED_FN} (`
+  );
+
+  const threadNode = new ThreadNode(profile.threads[0], {
+    startTime: 0,
+    endTime: 20,
+  });
+
+  // Don't display the synthesized (root) and the real (root) node twice.
+  threadNode.calls = threadNode.calls[0].calls;
+
+  const treeRoot = new CallView({ frame: threadNode });
+  const container = document.createXULElement("vbox");
+  treeRoot.autoExpandDepth = 0;
+  treeRoot.attachTo(container);
+
+  const $$ = node => container.querySelectorAll(node);
+  const $fun = (node, ancestor) =>
+    (ancestor || container).querySelector(
+      ".call-tree-cell[type=function] > " + node
+    );
+  const $$fun = (node, ancestor) =>
+    (ancestor || container).querySelectorAll(
+      ".call-tree-cell[type=function] > " + node
+    );
+  const $$dur = i =>
+    container.querySelectorAll(".call-tree-cell[type=duration]")[i];
+  const $$per = i =>
+    container.querySelectorAll(".call-tree-cell[type=percentage]")[i];
+  const $$sam = i =>
+    container.querySelectorAll(".call-tree-cell[type=samples]")[i];
+
+  is(
+    container.childNodes.length,
+    1,
+    "The container node should have one child available."
+  );
+  is(
+    container.childNodes[0].className,
+    "call-tree-item",
+    "The root node in the tree has the correct class name."
+  );
+
+  is(
+    $$dur(0).textContent.trim(),
+    "20 ms",
+    "The root's duration cell displays the correct value."
+  );
+  is(
+    $$per(0).textContent.trim(),
+    "100%",
+    "The root's percentage cell displays the correct value."
+  );
+  is(
+    $$sam(0).textContent.trim(),
+    "0",
+    "The root's samples cell displays the correct value."
+  );
+  is(
+    $$fun(".call-tree-name")[0].textContent.trim(),
+    "(root)",
+    "The root's function cell displays the correct name."
+  );
+  is(
+    $$fun(".call-tree-url")[0],
+    undefined,
+    "The root's function cell displays no url."
+  );
+  is(
+    $$fun(".call-tree-line")[0],
+    undefined,
+    "The root's function cell displays no line."
+  );
+  is(
+    $$fun(".call-tree-host")[0],
+    undefined,
+    "The root's function cell displays no host."
+  );
+  is(
+    $$fun(".call-tree-category")[0],
+    undefined,
+    "The root's function cell displays no category."
+  );
+
+  treeRoot.expand();
+
+  is(
+    container.childNodes.length,
+    2,
+    "The container node should have two children available."
+  );
+  is(
+    container.childNodes[0].className,
+    "call-tree-item",
+    "The root node in the tree has the correct class name."
+  );
+  is(
+    container.childNodes[1].className,
+    "call-tree-item",
+    "The .A node in the tree has the correct class name."
+  );
+
+  // Test demangling in the profiler tree.
+  is(
+    $$dur(1).textContent.trim(),
+    "20 ms",
+    "The .A node's duration cell displays the correct value."
+  );
+  is(
+    $$per(1).textContent.trim(),
+    "100%",
+    "The .A node's percentage cell displays the correct value."
+  );
+  is(
+    $$sam(1).textContent.trim(),
+    "0",
+    "The .A node's samples cell displays the correct value."
+  );
+
+  is(
+    $fun(".call-tree-name", $$(".call-tree-item")[1]).textContent.trim(),
+    UNMANGLED_FN,
+    "The .A node's function cell displays the correct name."
+  );
+  is(
+    $fun(".call-tree-url", $$(".call-tree-item")[1]).textContent.trim(),
+    "baz",
+    "The .A node's function cell displays the correct url."
+  );
+  is(
+    $fun(".call-tree-line", $$(".call-tree-item")[1]).textContent.trim(),
+    ":12",
+    "The .A node's function cell displays the correct line."
+  );
+  is(
+    $fun(".call-tree-host", $$(".call-tree-item")[1]).textContent.trim(),
+    "foo",
+    "The .A node's function cell displays the correct host."
+  );
+  is(
+    $fun(".call-tree-category", $$(".call-tree-item")[1]).textContent.trim(),
+    "JIT",
+    "The .A node's function cell displays the correct category."
+  );
+
+  ok(
+    $$(".call-tree-item")[1]
+      .getAttribute("tooltiptext")
+      .includes(MANGLED_FN),
+    "The .A node's row's tooltip contains the original mangled name."
+  );
+
+  const A = treeRoot.getChild();
+  A.expand();
+
+  is(
+    container.childNodes.length,
+    4,
+    "The container node should have four children available."
+  );
+  is(
+    container.childNodes[0].className,
+    "call-tree-item",
+    "The root node in the tree has the correct class name."
+  );
+  is(
+    container.childNodes[1].className,
+    "call-tree-item",
+    "The .A node in the tree has the correct class name."
+  );
+  is(
+    container.childNodes[2].className,
+    "call-tree-item",
+    "The .B node in the tree has the correct class name."
+  );
+  is(
+    container.childNodes[3].className,
+    "call-tree-item",
+    "The .E node in the tree has the correct class name."
+  );
+
+  ok(
+    $fun(".call-tree-url", $$(".call-tree-item")[1])
+      .getAttribute("tooltiptext")
+      .includes("http://foo/bar/baz"),
+    "The .A node's function cell displays the correct url tooltiptext."
+  );
+  is(
+    $fun(".call-tree-line", $$(".call-tree-item")[1]).textContent.trim(),
+    ":12",
+    "The .A node's function cell displays the correct line."
+  );
+  is(
+    $fun(".call-tree-column", $$(".call-tree-item")[1]).textContent.trim(),
+    ":9",
+    "The .A node's function cell displays the correct column."
+  );
+  is(
+    $fun(".call-tree-host", $$(".call-tree-item")[1]).textContent.trim(),
+    "foo",
+    "The .A node's function cell displays the correct host."
+  );
+  is(
+    $$dur(2).textContent.trim(),
+    "15 ms",
+    "The .A.B node's duration cell displays the correct value."
+  );
+  is(
+    $$per(2).textContent.trim(),
+    "75%",
+    "The .A.B node's percentage cell displays the correct value."
+  );
+  is(
+    $$sam(2).textContent.trim(),
+    "0",
+    "The .A.B node's samples cell displays the correct value."
+  );
+  is(
+    $fun(".call-tree-name", $$(".call-tree-item")[2]).textContent.trim(),
+    "B InterruptibleLayout",
+    "The .A.B node's function cell displays the correct name."
+  );
+  is(
+    $fun(".call-tree-url", $$(".call-tree-item")[2]),
+    null,
+    "The .A.B node's function cell has no url."
+  );
+  is(
+    $fun(".call-tree-category", $$(".call-tree-item")[2]).textContent.trim(),
+    "Layout",
+    "The .A.B node's function cell displays the correct category."
+  );
+  is(
+    $$dur(3).textContent.trim(),
+    "5 ms",
+    "The .A.E node's duration cell displays the correct value."
+  );
+  is(
+    $$per(3).textContent.trim(),
+    "25%",
+    "The .A.E node's percentage cell displays the correct value."
+  );
+  is(
+    $$sam(3).textContent.trim(),
+    "0",
+    "The .A.E node's samples cell displays the correct value."
+  );
+  is(
+    $fun(".call-tree-name", $$(".call-tree-item")[3]).textContent.trim(),
+    "E",
+    "The .A.E node's function cell displays the correct name."
+  );
+  is(
+    $fun(".call-tree-category", $$(".call-tree-item")[3]).textContent.trim(),
+    "GC",
+    "The .A.E node's function cell displays the correct category."
+  );
+});
diff --git a/devtools/client/performance/test/browser_perf-tree-view-03.js b/devtools/client/performance/test/browser_perf-tree-view-03.js
new file mode 100644
index 0000000000..b69a71d51b
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-tree-view-03.js
@@ -0,0 +1,163 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if the profiler's tree view implementation works properly and
+ * creates the correct column structure and can auto-expand all nodes.
+ */
+
+const {
+  ThreadNode,
+} = require("devtools/client/performance/modules/logic/tree-model");
+const {
+  CallView,
+} = require("devtools/client/performance/modules/widgets/tree-view");
+const {
+  synthesizeProfile,
+} = require("devtools/client/performance/test/helpers/synth-utils");
+
+add_task(function() {
+  const profile = synthesizeProfile();
+  const threadNode = new ThreadNode(profile.threads[0], {
+    startTime: 0,
+    endTime: 20,
+  });
+
+  // Don't display the synthesized (root) and the real (root) node twice.
+  threadNode.calls = threadNode.calls[0].calls;
+
+  const treeRoot = new CallView({ frame: threadNode });
+  const container = document.createXULElement("vbox");
+  treeRoot.attachTo(container);
+
+  const $$fun = i =>
+    container.querySelectorAll(".call-tree-cell[type=function]")[i];
+  const $$nam = i =>
+    container.querySelectorAll(
+      ".call-tree-cell[type=function] > .call-tree-name"
+    )[i];
+  const $$dur = i =>
+    container.querySelectorAll(".call-tree-cell[type=duration]")[i];
+
+  is(
+    container.childNodes.length,
+    7,
+    "The container node should have all children available."
+  );
+  is(
+    Array.from(container.childNodes).filter(
+      e => e.className != "call-tree-item"
+    ).length,
+    0,
+    "All item nodes in the tree have the correct class name."
+  );
+
+  is(
+    $$fun(0).style.marginInlineStart,
+    "0px",
+    "The root node's function cell has the correct indentation."
+  );
+  is(
+    $$fun(1).style.marginInlineStart,
+    "16px",
+    "The .A node's function cell has the correct indentation."
+  );
+  is(
+    $$fun(2).style.marginInlineStart,
+    "32px",
+    "The .A.B node's function cell has the correct indentation."
+  );
+  is(
+    $$fun(3).style.marginInlineStart,
+    "48px",
+    "The .A.B.D node's function cell has the correct indentation."
+  );
+  is(
+    $$fun(4).style.marginInlineStart,
+    "48px",
+    "The .A.B.C node's function cell has the correct indentation."
+  );
+  is(
+    $$fun(5).style.marginInlineStart,
+    "32px",
+    "The .A.E node's function cell has the correct indentation."
+  );
+  is(
+    $$fun(6).style.marginInlineStart,
+    "48px",
+    "The .A.E.F node's function cell has the correct indentation."
+  );
+
+  is(
+    $$nam(0).textContent.trim(),
+    "(root)",
+    "The root node's function cell displays the correct name."
+  );
+  is(
+    $$nam(1).textContent.trim(),
+    "A",
+    "The .A node's function cell displays the correct name."
+  );
+  is(
+    $$nam(2).textContent.trim(),
+    "B InterruptibleLayout",
+    "The .A.B node's function cell displays the correct name."
+  );
+  is(
+    $$nam(3).textContent.trim(),
+    "D INTER_SLICE_GC",
+    "The .A.B.D node's function cell displays the correct name."
+  );
+  is(
+    $$nam(4).textContent.trim(),
+    "C",
+    "The .A.B.C node's function cell displays the correct name."
+  );
+  is(
+    $$nam(5).textContent.trim(),
+    "E",
+    "The .A.E node's function cell displays the correct name."
+  );
+  is(
+    $$nam(6).textContent.trim(),
+    "F",
+    "The .A.E.F node's function cell displays the correct name."
+  );
+
+  is(
+    $$dur(0).textContent.trim(),
+    "20 ms",
+    "The root node's function cell displays the correct duration."
+  );
+  is(
+    $$dur(1).textContent.trim(),
+    "20 ms",
+    "The .A node's function cell displays the correct duration."
+  );
+  is(
+    $$dur(2).textContent.trim(),
+    "15 ms",
+    "The .A.B node's function cell displays the correct duration."
+  );
+  is(
+    $$dur(3).textContent.trim(),
+    "10 ms",
+    "The .A.B.D node's function cell displays the correct duration."
+  );
+  is(
+    $$dur(4).textContent.trim(),
+    "5 ms",
+    "The .A.B.C node's function cell displays the correct duration."
+  );
+  is(
+    $$dur(5).textContent.trim(),
+    "5 ms",
+    "The .A.E node's function cell displays the correct duration."
+  );
+  is(
+    $$dur(6).textContent.trim(),
+    "5 ms",
+    "The .A.E.F node's function cell displays the correct duration."
+  );
+});
diff --git a/devtools/client/performance/test/browser_perf-tree-view-04.js b/devtools/client/performance/test/browser_perf-tree-view-04.js
new file mode 100644
index 0000000000..f3281634de
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-tree-view-04.js
@@ -0,0 +1,158 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if the profiler's tree view implementation works properly and
+ * creates the correct DOM nodes in the correct order.
+ */
+
+const {
+  ThreadNode,
+} = require("devtools/client/performance/modules/logic/tree-model");
+const {
+  CallView,
+} = require("devtools/client/performance/modules/widgets/tree-view");
+const {
+  synthesizeProfile,
+} = require("devtools/client/performance/test/helpers/synth-utils");
+
+add_task(function() {
+  const profile = synthesizeProfile();
+  const threadNode = new ThreadNode(profile.threads[0], {
+    startTime: 0,
+    endTime: 20,
+  });
+
+  // Don't display the synthesized (root) and the real (root) node twice.
+  threadNode.calls = threadNode.calls[0].calls;
+
+  const treeRoot = new CallView({ frame: threadNode });
+  const container = document.createXULElement("vbox");
+  treeRoot.attachTo(container);
+
+  is(
+    treeRoot.target.getAttribute("origin"),
+    "chrome",
+    "The root node's 'origin' attribute is correct."
+  );
+  is(
+    treeRoot.target.getAttribute("category"),
+    "",
+    "The root node's 'category' attribute is correct."
+  );
+  is(
+    treeRoot.target.getAttribute("tooltiptext"),
+    "",
+    "The root node's 'tooltiptext' attribute is correct."
+  );
+  is(
+    treeRoot.target.querySelector(".call-tree-category"),
+    null,
+    "The root node's category label cell should be hidden."
+  );
+
+  const A = treeRoot.getChild();
+  const B = A.getChild();
+  const D = B.getChild();
+
+  is(
+    A.target.getAttribute("tooltiptext"),
+    "A (http://foo/bar/baz:12:9)",
+    "The .A node's 'tooltiptext' attribute is correct"
+  );
+  is(
+    D.target.getAttribute("origin"),
+    "chrome",
+    "The .A.B.D node's 'origin' attribute is correct."
+  );
+  is(
+    D.target.getAttribute("category"),
+    "gc",
+    "The .A.B.D node's 'category' attribute is correct."
+  );
+  is(
+    D.target.getAttribute("tooltiptext"),
+    "D INTER_SLICE_GC",
+    "The .A.B.D node's 'tooltiptext' attribute is correct."
+  );
+
+  is(
+    D.target.childNodes.length,
+    6,
+    "The number of columns displayed for tree items is correct."
+  );
+  is(
+    D.target.childNodes[0].getAttribute("type"),
+    "duration",
+    "The first column displayed for tree items is correct."
+  );
+  is(
+    D.target.childNodes[1].getAttribute("type"),
+    "percentage",
+    "The third column displayed for tree items is correct."
+  );
+  is(
+    D.target.childNodes[2].getAttribute("type"),
+    "self-duration",
+    "The second column displayed for tree items is correct."
+  );
+  is(
+    D.target.childNodes[3].getAttribute("type"),
+    "self-percentage",
+    "The fourth column displayed for tree items is correct."
+  );
+  is(
+    D.target.childNodes[4].getAttribute("type"),
+    "samples",
+    "The fifth column displayed for tree items is correct."
+  );
+  is(
+    D.target.childNodes[5].getAttribute("type"),
+    "function",
+    "The sixth column displayed for tree items is correct."
+  );
+
+  const functionCell = A.target.childNodes[5];
+
+  is(
+    functionCell.childNodes.length,
+    7,
+    "The number of columns displayed for function cells is correct."
+  );
+  is(
+    functionCell.childNodes[0].className,
+    "arrow theme-twisty",
+    "The first node displayed for function cells is correct."
+  );
+  is(
+    functionCell.childNodes[1].className,
+    "plain call-tree-name",
+    "The second node displayed for function cells is correct."
+  );
+  is(
+    functionCell.childNodes[2].className,
+    "plain call-tree-url",
+    "The third node displayed for function cells is correct."
+  );
+  is(
+    functionCell.childNodes[3].className,
+    "plain call-tree-line",
+    "The fourth node displayed for function cells is correct."
+  );
+  is(
+    functionCell.childNodes[4].className,
+    "plain call-tree-column",
+    "The fifth node displayed for function cells is correct."
+  );
+  is(
+    functionCell.childNodes[5].className,
+    "plain call-tree-host",
+    "The sixth node displayed for function cells is correct."
+  );
+  is(
+    functionCell.childNodes[6].className,
+    "plain call-tree-category",
+    "The seventh node displayed for function cells is correct."
+  );
+});
diff --git a/devtools/client/performance/test/browser_perf-tree-view-05.js b/devtools/client/performance/test/browser_perf-tree-view-05.js
new file mode 100644
index 0000000000..a70129717b
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-tree-view-05.js
@@ -0,0 +1,55 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if the profiler's tree view implementation works properly and
+ * can toggle categories hidden or visible.
+ */
+
+const {
+  ThreadNode,
+} = require("devtools/client/performance/modules/logic/tree-model");
+const {
+  CallView,
+} = require("devtools/client/performance/modules/widgets/tree-view");
+const {
+  synthesizeProfile,
+} = require("devtools/client/performance/test/helpers/synth-utils");
+
+add_task(function() {
+  const profile = synthesizeProfile();
+  const threadNode = new ThreadNode(profile.threads[0], {
+    startTime: 0,
+    endTime: 20,
+  });
+
+  // Don't display the synthesized (root) and the real (root) node twice.
+  threadNode.calls = threadNode.calls[0].calls;
+
+  const treeRoot = new CallView({ frame: threadNode });
+  const container = document.createXULElement("vbox");
+  treeRoot.attachTo(container);
+
+  const categories = container.querySelectorAll(".call-tree-category");
+  is(
+    categories.length,
+    6,
+    "The call tree displays a correct number of categories."
+  );
+  ok(
+    !container.hasAttribute("categories-hidden"),
+    "All categories should be visible in the tree."
+  );
+
+  treeRoot.toggleCategories(false);
+  is(
+    categories.length,
+    6,
+    "The call tree displays the same number of categories."
+  );
+  ok(
+    container.hasAttribute("categories-hidden"),
+    "All categories should now be hidden in the tree."
+  );
+});
diff --git a/devtools/client/performance/test/browser_perf-tree-view-06.js b/devtools/client/performance/test/browser_perf-tree-view-06.js
new file mode 100644
index 0000000000..1a51be9ea1
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-tree-view-06.js
@@ -0,0 +1,62 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if the profiler's tree view implementation works properly and
+ * correctly emits events when certain DOM nodes are clicked.
+ */
+
+const {
+  ThreadNode,
+} = require("devtools/client/performance/modules/logic/tree-model");
+const {
+  CallView,
+} = require("devtools/client/performance/modules/widgets/tree-view");
+const {
+  synthesizeProfile,
+} = require("devtools/client/performance/test/helpers/synth-utils");
+const {
+  idleWait,
+  waitUntil,
+} = require("devtools/client/performance/test/helpers/wait-utils");
+
+add_task(async function() {
+  const profile = synthesizeProfile();
+  const threadNode = new ThreadNode(profile.threads[0], {
+    startTime: 0,
+    endTime: 20,
+  });
+
+  // Don't display the synthesized (root) and the real (root) node twice.
+  threadNode.calls = threadNode.calls[0].calls;
+
+  const treeRoot = new CallView({ frame: threadNode });
+  const container = document.createXULElement("vbox");
+  treeRoot.attachTo(container);
+
+  const A = treeRoot.getChild();
+
+  let linkEvent = null;
+  const handler = e => {
+    linkEvent = e;
+  };
+
+  treeRoot.on("link", handler);
+
+  // Fire right click.
+  await rightMousedown(A.target.querySelector(".call-tree-url"));
+
+  // Ensure link was not called for right click.
+  await idleWait(100);
+  ok(!linkEvent, "The `link` event not fired for right click.");
+
+  // Fire left click.
+  await mousedown(A.target.querySelector(".call-tree-url"));
+
+  // Ensure link was called for left click.
+  await waitUntil(() => linkEvent);
+  is(linkEvent, A, "The `link` event target is correct.");
+
+  treeRoot.off("link", handler);
+});
diff --git a/devtools/client/performance/test/browser_perf-tree-view-07.js b/devtools/client/performance/test/browser_perf-tree-view-07.js
new file mode 100644
index 0000000000..a15ff1cbc0
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-tree-view-07.js
@@ -0,0 +1,52 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if the profiler's tree view implementation works properly and
+ * has the correct 'root', 'parent', 'level' etc. accessors on child nodes.
+ */
+
+const {
+  ThreadNode,
+} = require("devtools/client/performance/modules/logic/tree-model");
+const {
+  CallView,
+} = require("devtools/client/performance/modules/widgets/tree-view");
+const {
+  synthesizeProfile,
+} = require("devtools/client/performance/test/helpers/synth-utils");
+
+add_task(function() {
+  const profile = synthesizeProfile();
+  const threadNode = new ThreadNode(profile.threads[0], {
+    startTime: 0,
+    endTime: 20,
+  });
+
+  // Don't display the synthesized (root) and the real (root) node twice.
+  threadNode.calls = threadNode.calls[0].calls;
+
+  const treeRoot = new CallView({ frame: threadNode });
+  const container = document.createXULElement("vbox");
+  container.id = "call-tree-container";
+  treeRoot.attachTo(container);
+
+  const A = treeRoot.getChild();
+  const B = A.getChild();
+  const D = B.getChild();
+
+  is(D.root, treeRoot, "The .A.B.D node has the correct root.");
+  is(D.parent, B, "The .A.B.D node has the correct parent.");
+  is(D.level, 3, "The .A.B.D node has the correct level.");
+  is(
+    D.target.className,
+    "call-tree-item",
+    "The .A.B.D node has the correct target node."
+  );
+  is(
+    D.container.id,
+    "call-tree-container",
+    "The .A.B.D node has the correct container node."
+  );
+});
diff --git a/devtools/client/performance/test/browser_perf-tree-view-08.js b/devtools/client/performance/test/browser_perf-tree-view-08.js
new file mode 100644
index 0000000000..f04029ab18
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-tree-view-08.js
@@ -0,0 +1,155 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the profiler's tree view renders generalized platform data
+ * when `contentOnly` is on correctly.
+ */
+
+const {
+  ThreadNode,
+} = require("devtools/client/performance/modules/logic/tree-model");
+const {
+  CallView,
+} = require("devtools/client/performance/modules/widgets/tree-view");
+const {
+  CATEGORY_INDEX,
+} = require("devtools/client/performance/modules/categories");
+const RecordingUtils = require("devtools/shared/performance/recording-utils");
+
+add_task(function() {
+  const threadNode = new ThreadNode(gProfile.threads[0], {
+    startTime: 0,
+    endTime: 20,
+    contentOnly: true,
+  });
+
+  // Don't display the synthesized (root) and the real (root) node twice.
+  threadNode.calls = threadNode.calls[0].calls;
+
+  const treeRoot = new CallView({ frame: threadNode, autoExpandDepth: 10 });
+  const container = document.createXULElement("vbox");
+  treeRoot.attachTo(container);
+
+  /*
+   * (root)
+   *   - A
+   *     - B
+   *       - C
+   *       - D
+   *     - (GC)
+   *     - E
+   *       - F
+   *         - (JS)
+   *   - (JS)
+   */
+
+  const A = treeRoot.getChild(0);
+  const JS = treeRoot.getChild(1);
+  const GC = A.getChild(1);
+  const JS2 = A.getChild(2)
+    .getChild()
+    .getChild();
+
+  is(
+    JS.target.getAttribute("category"),
+    "js",
+    "Generalized JS node has correct category"
+  );
+  is(
+    JS.target.getAttribute("tooltiptext"),
+    "JIT",
+    "Generalized JS node has correct category"
+  );
+  is(
+    JS.target.querySelector(".call-tree-name").textContent.trim(),
+    "JIT",
+    "Generalized JS node has correct display value as just the category name."
+  );
+
+  is(
+    JS2.target.getAttribute("category"),
+    "js",
+    "Generalized second JS node has correct category"
+  );
+  is(
+    JS2.target.getAttribute("tooltiptext"),
+    "JIT",
+    "Generalized second JS node has correct category"
+  );
+  is(
+    JS2.target.querySelector(".call-tree-name").textContent.trim(),
+    "JIT",
+    "Generalized second JS node has correct display value as just the category name."
+  );
+
+  is(
+    GC.target.getAttribute("category"),
+    "gc",
+    "Generalized GC node has correct category"
+  );
+  is(
+    GC.target.getAttribute("tooltiptext"),
+    "GC",
+    "Generalized GC node has correct category"
+  );
+  is(
+    GC.target.querySelector(".call-tree-name").textContent.trim(),
+    "GC",
+    "Generalized GC node has correct display value as just the category name."
+  );
+});
+
+const gProfile = RecordingUtils.deflateProfile({
+  meta: { version: 2 },
+  threads: [
+    {
+      samples: [
+        {
+          time: 1,
+          frames: [
+            { location: "(root)" },
+            { location: "http://content/A" },
+            { location: "http://content/B" },
+            { location: "http://content/C" },
+          ],
+        },
+        {
+          time: 1 + 1,
+          frames: [
+            { location: "(root)" },
+            { location: "http://content/A" },
+            { location: "http://content/B" },
+            { location: "http://content/D" },
+          ],
+        },
+        {
+          time: 1 + 1 + 2,
+          frames: [
+            { location: "(root)" },
+            { location: "http://content/A" },
+            { location: "http://content/E" },
+            { location: "http://content/F" },
+            { location: "platform_JS", category: CATEGORY_INDEX("js") },
+          ],
+        },
+        {
+          time: 1 + 1 + 2 + 3,
+          frames: [
+            { location: "(root)" },
+            { location: "platform_JS2", category: CATEGORY_INDEX("js") },
+          ],
+        },
+        {
+          time: 1 + 1 + 2 + 3 + 5,
+          frames: [
+            { location: "(root)" },
+            { location: "http://content/A" },
+            { location: "platform_GC", category: CATEGORY_INDEX("gc") },
+          ],
+        },
+      ],
+    },
+  ],
+});
diff --git a/devtools/client/performance/test/browser_perf-tree-view-09.js b/devtools/client/performance/test/browser_perf-tree-view-09.js
new file mode 100644
index 0000000000..651a09685f
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-tree-view-09.js
@@ -0,0 +1,76 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the profiler's tree view sorts inverted call trees by
+ * "self cost" and not "total cost".
+ */
+
+const {
+  ThreadNode,
+} = require("devtools/client/performance/modules/logic/tree-model");
+const {
+  CallView,
+} = require("devtools/client/performance/modules/widgets/tree-view");
+const RecordingUtils = require("devtools/shared/performance/recording-utils");
+
+add_task(function() {
+  const threadNode = new ThreadNode(gProfile.threads[0], {
+    startTime: 0,
+    endTime: 20,
+    invertTree: true,
+  });
+  const treeRoot = new CallView({ frame: threadNode, inverted: true });
+  const container = document.createXULElement("vbox");
+  treeRoot.attachTo(container);
+
+  is(
+    treeRoot.getChild(0).frame.location,
+    "B",
+    "The tree root's first child is the `B` function."
+  );
+  is(
+    treeRoot.getChild(1).frame.location,
+    "A",
+    "The tree root's second child is the `A` function."
+  );
+});
+
+const gProfile = RecordingUtils.deflateProfile({
+  meta: { version: 2 },
+  threads: [
+    {
+      samples: [
+        {
+          time: 1,
+          frames: [
+            { location: "(root)" },
+            { location: "A" },
+            { location: "B" },
+          ],
+        },
+        {
+          time: 2,
+          frames: [
+            { location: "(root)" },
+            { location: "A" },
+            { location: "B" },
+          ],
+        },
+        {
+          time: 3,
+          frames: [
+            { location: "(root)" },
+            { location: "A" },
+            { location: "B" },
+          ],
+        },
+        {
+          time: 4,
+          frames: [{ location: "(root)" }, { location: "A" }],
+        },
+      ],
+    },
+  ],
+});
diff --git a/devtools/client/performance/test/browser_perf-tree-view-10.js b/devtools/client/performance/test/browser_perf-tree-view-10.js
new file mode 100644
index 0000000000..8b50ea9092
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-tree-view-10.js
@@ -0,0 +1,195 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if the profiler's tree view, when inverted, displays the self and
+ * total costs correctly.
+ */
+
+const {
+  ThreadNode,
+} = require("devtools/client/performance/modules/logic/tree-model");
+const {
+  CallView,
+} = require("devtools/client/performance/modules/widgets/tree-view");
+const RecordingUtils = require("devtools/shared/performance/recording-utils");
+
+add_task(function() {
+  const threadNode = new ThreadNode(gProfile.threads[0], {
+    startTime: 0,
+    endTime: 50,
+    invertTree: true,
+  });
+  const treeRoot = new CallView({ frame: threadNode, inverted: true });
+  const container = document.createXULElement("vbox");
+  treeRoot.attachTo(container);
+
+  // Add 1 to each index to skip the hidden root node
+  const $$nam = i =>
+    container.querySelectorAll(
+      ".call-tree-cell[type=function] > .call-tree-name"
+    )[i + 1];
+  const $$per = i =>
+    container.querySelectorAll(".call-tree-cell[type=percentage]")[i + 1];
+  const $$selfper = i =>
+    container.querySelectorAll(".call-tree-cell[type='self-percentage']")[
+      i + 1
+    ];
+
+  /**
+   * Samples:
+   *
+   * A->C
+   * A->B
+   * A->B->C x4
+   * A->B->D x4
+   *
+   * Expected:
+   *
+   * +--total--+--self--+--tree----+
+   * |   50%   |   50%  |  C       |
+   * |   40%   |   0    |  -> B    |
+   * |   30%   |   0    |     -> A |
+   * |   10%   |   0    |  -> A    |
+   * |   40%   |   40%  |  D       |
+   * |   40%   |   0    |  -> B    |
+   * |   40%   |   0    |     -> A |
+   * |   10%   |   10%  |  B       |
+   * |   10%   |   0    |  -> A    |
+   * +---------+--------+----------+
+   */
+
+  is(
+    container.childNodes.length,
+    10,
+    "The container node should have all children available."
+  );
+
+  // total, self, indent + name
+  [
+    [50, 50, "C"],
+    [40, 0, "  B"],
+    [30, 0, "    A"],
+    [10, 0, "  A"],
+    [40, 40, "D"],
+    [40, 0, "  B"],
+    [40, 0, "    A"],
+    [10, 10, "B"],
+    [10, 0, "  A"],
+  ].forEach(function(def, i) {
+    info(`Checking ${i}th tree item.`);
+
+    let [total, self, name] = def;
+    name = name.trim();
+
+    is($$nam(i).textContent.trim(), name, `${name} has correct name.`);
+    is(
+      $$per(i).textContent.trim(),
+      `${total}%`,
+      `${name} has correct total percent.`
+    );
+    is(
+      $$selfper(i).textContent.trim(),
+      `${self}%`,
+      `${name} has correct self percent.`
+    );
+  });
+});
+
+const gProfile = RecordingUtils.deflateProfile({
+  meta: { version: 2 },
+  threads: [
+    {
+      samples: [
+        {
+          time: 5,
+          frames: [
+            { location: "(root)" },
+            { location: "A" },
+            { location: "B" },
+            { location: "C" },
+          ],
+        },
+        {
+          time: 10,
+          frames: [
+            { location: "(root)" },
+            { location: "A" },
+            { location: "B" },
+            { location: "D" },
+          ],
+        },
+        {
+          time: 15,
+          frames: [
+            { location: "(root)" },
+            { location: "A" },
+            { location: "C" },
+          ],
+        },
+        {
+          time: 20,
+          frames: [
+            { location: "(root)" },
+            { location: "A" },
+            { location: "B" },
+          ],
+        },
+        {
+          time: 25,
+          frames: [
+            { location: "(root)" },
+            { location: "A" },
+            { location: "B" },
+            { location: "C" },
+          ],
+        },
+        {
+          time: 30,
+          frames: [
+            { location: "(root)" },
+            { location: "A" },
+            { location: "B" },
+            { location: "C" },
+          ],
+        },
+        {
+          time: 35,
+          frames: [
+            { location: "(root)" },
+            { location: "A" },
+            { location: "B" },
+            { location: "D" },
+          ],
+        },
+        {
+          time: 40,
+          frames: [
+            { location: "(root)" },
+            { location: "A" },
+            { location: "B" },
+            { location: "D" },
+          ],
+        },
+        {
+          time: 45,
+          frames: [
+            { location: "(root)" },
+            { location: "B" },
+            { location: "C" },
+          ],
+        },
+        {
+          time: 50,
+          frames: [
+            { location: "(root)" },
+            { location: "A" },
+            { location: "B" },
+            { location: "D" },
+          ],
+        },
+      ],
+    },
+  ],
+});
diff --git a/devtools/client/performance/test/browser_perf-tree-view-11.js b/devtools/client/performance/test/browser_perf-tree-view-11.js
new file mode 100644
index 0000000000..3a25f6c1dc
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-tree-view-11.js
@@ -0,0 +1,154 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+/* eslint-disable */
+/**
+ * Tests that if `show-jit-optimizations` is true, then an
+ * icon is next to the frame with optimizations
+ */
+
+var { CATEGORY_MASK } = require("devtools/client/performance/modules/categories");
+
+async function spawnTest() {
+  let { panel } = await initPerformance(SIMPLE_URL);
+  let { EVENTS, $, $$, window, PerformanceController } = panel.panelWin;
+  let { OverviewView, DetailsView, JsCallTreeView } = panel.panelWin;
+
+  let profilerData = { threads: [gThread] };
+
+  Services.prefs.setBoolPref(JIT_PREF, true);
+  Services.prefs.setBoolPref(PLATFORM_DATA_PREF, false);
+  Services.prefs.setBoolPref(INVERT_PREF, false);
+
+  // Make two recordings, so we have one to switch to later, as the
+  // second one will have fake sample data
+  await startRecording(panel);
+  await stopRecording(panel);
+
+  await DetailsView.selectView("js-calltree");
+
+  await injectAndRenderProfilerData();
+
+  let rows = $$("#js-calltree-view .call-tree-item");
+  is(rows.length, 4, "4 call tree rows exist");
+  for (let row of rows) {
+    let name = $(".call-tree-name", row).textContent.trim();
+    switch (name) {
+      case "A":
+        ok($(".opt-icon", row), "found an opt icon on a leaf node with opt data");
+        break;
+      case "C":
+        ok(!$(".opt-icon", row), "frames without opt data do not have an icon");
+        break;
+      case "Gecko":
+        ok(!$(".opt-icon", row), "meta category frames with opt data do not have an icon");
+        break;
+      case "(root)":
+        ok(!$(".opt-icon", row), "root frame certainly does not have opt data");
+        break;
+      default:
+        ok(false, `Unidentified frame: ${name}`);
+        break;
+    }
+  }
+
+  await teardown(panel);
+  finish();
+
+  async function injectAndRenderProfilerData() {
+    // Get current recording and inject our mock data
+    info("Injecting mock profile data");
+    let recording = PerformanceController.getCurrentRecording();
+    recording._profile = profilerData;
+
+    // Force a rerender
+    let rendered = once(JsCallTreeView, EVENTS.UI_JS_CALL_TREE_RENDERED);
+    JsCallTreeView.render(OverviewView.getTimeInterval());
+    await rendered;
+  }
+}
+
+var gUniqueStacks = new RecordingUtils.UniqueStacks();
+
+function uniqStr(s) {
+  return gUniqueStacks.getOrAddStringIndex(s);
+}
+
+// Since deflateThread doesn't handle deflating optimization info, use
+// placeholder names A_O1, B_O2, and B_O3, which will be used to manually
+// splice deduped opts into the profile.
+var gThread = RecordingUtils.deflateThread({
+  samples: [{
+    time: 0,
+    frames: [
+      { location: "(root)" }
+    ]
+  }, {
+    time: 5,
+    frames: [
+      { location: "(root)" },
+      { location: "A (http://foo:1)" },
+    ]
+  }, {
+    time: 5 + 1,
+    frames: [
+      { location: "(root)" },
+      { location: "C (http://foo/bar/baz:56)" }
+    ]
+  }, {
+    time: 5 + 1 + 2,
+    frames: [
+      { location: "(root)" },
+      { category: CATEGORY_MASK("other"), location: "PlatformCode" }
+    ]
+  }],
+  markers: []
+}, gUniqueStacks);
+
+// 3 RawOptimizationSites
+var gRawSite1 = {
+  _testFrameInfo: { name: "A", line: "12", file: "@baz" },
+  line: 12,
+  column: 2,
+  types: [{
+    mirType: uniqStr("Object"),
+    site: uniqStr("A (http://foo/bar/bar:12)"),
+    typeset: [{
+      keyedBy: uniqStr("constructor"),
+      name: uniqStr("Foo"),
+      location: uniqStr("A (http://foo/bar/baz:12)")
+    }, {
+      keyedBy: uniqStr("primitive"),
+      location: uniqStr("self-hosted")
+    }]
+  }],
+  attempts: {
+    schema: {
+      outcome: 0,
+      strategy: 1
+    },
+    data: [
+      [uniqStr("Failure1"), uniqStr("SomeGetter1")],
+      [uniqStr("Failure2"), uniqStr("SomeGetter2")],
+      [uniqStr("Failure3"), uniqStr("SomeGetter3")]
+    ]
+  }
+};
+
+gThread.frameTable.data.forEach((frame) => {
+  const LOCATION_SLOT = gThread.frameTable.schema.location;
+  const OPTIMIZATIONS_SLOT = gThread.frameTable.schema.optimizations;
+
+  let l = gThread.stringTable[frame[LOCATION_SLOT]];
+  switch (l) {
+    case "A (http://foo:1)":
+      frame[LOCATION_SLOT] = uniqStr("A (http://foo:1)");
+      frame[OPTIMIZATIONS_SLOT] = gRawSite1;
+      break;
+    case "PlatformCode":
+      frame[LOCATION_SLOT] = uniqStr("PlatformCode");
+      frame[OPTIMIZATIONS_SLOT] = gRawSite1;
+      break;
+  }
+});
+/* eslint-enable */
diff --git a/devtools/client/performance/test/browser_perf-ui-recording.js b/devtools/client/performance/test/browser_perf-ui-recording.js
new file mode 100644
index 0000000000..fbf1f4611d
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-ui-recording.js
@@ -0,0 +1,52 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the controller handles recording via the `stopwatch` button
+ * in the UI.
+ */
+
+const {
+  pmmInitWithBrowser,
+  pmmIsProfilerActive,
+} = require("devtools/client/performance/test/helpers/profiler-mm-utils");
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  pmmInitWithBrowser(gBrowser);
+
+  ok(
+    !(await pmmIsProfilerActive()),
+    "The built-in profiler module should not have been automatically started."
+  );
+
+  await startRecording(panel);
+
+  ok(
+    await pmmIsProfilerActive(),
+    "The built-in profiler module should now be active."
+  );
+
+  await stopRecording(panel);
+
+  ok(
+    await pmmIsProfilerActive(),
+    "The built-in profiler module should still be active."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_timeline-filters-01.js b/devtools/client/performance/test/browser_timeline-filters-01.js
new file mode 100644
index 0000000000..ff9698cbf8
--- /dev/null
+++ b/devtools/client/performance/test/browser_timeline-filters-01.js
@@ -0,0 +1,119 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+/* eslint-disable */
+
+/**
+ * Tests markers filtering mechanism.
+ */
+
+const EPSILON = 0.00000001;
+
+async function spawnTest() {
+  let { panel } = await initPerformance(SIMPLE_URL);
+  let { $, $$, EVENTS, PerformanceController, OverviewView, WaterfallView } = panel.panelWin;
+  let { TimelineGraph } = require("devtools/client/performance/modules/widgets/graphs");
+  let { rowHeight: MARKERS_GRAPH_ROW_HEIGHT } = TimelineGraph.prototype;
+
+  await startRecording(panel);
+  ok(true, "Recording has started.");
+
+  await waitUntil(() => {
+    // Wait until we get 3 different markers.
+    let markers = PerformanceController.getCurrentRecording().getMarkers();
+    return markers.some(m => m.name == "Styles") &&
+           markers.some(m => m.name == "Reflow") &&
+           markers.some(m => m.name == "Paint");
+  });
+
+  await stopRecording(panel);
+  ok(true, "Recording has ended.");
+
+  // Push some fake markers of a type we do not have a blueprint for
+  let markers = PerformanceController.getCurrentRecording().getMarkers();
+  let endTime = markers[markers.length - 1].end;
+  markers.push({ name: "CustomMarker", start: endTime + EPSILON, end: endTime + (EPSILON * 2) });
+  markers.push({ name: "CustomMarker", start: endTime + (EPSILON * 3), end: endTime + (EPSILON * 4) });
+
+  // Invalidate marker cache
+  WaterfallView._cache.delete(markers);
+
+  // Select everything
+  let waterfallRendered = WaterfallView.once(EVENTS.UI_WATERFALL_RENDERED);
+  OverviewView.setTimeInterval({ startTime: 0, endTime: Number.MAX_VALUE });
+
+  $("#filter-button").click();
+  let menuItem1 = $("menuitem[marker-type=Styles]");
+  let menuItem2 = $("menuitem[marker-type=Reflow]");
+  let menuItem3 = $("menuitem[marker-type=Paint]");
+  let menuItem4 = $("menuitem[marker-type=UNKNOWN]");
+
+  let overview = OverviewView.graphs.get("timeline");
+  let originalHeight = overview.fixedHeight;
+
+  await waterfallRendered;
+
+  ok($(".waterfall-marker-bar[type=Styles]"), "Found at least one 'Styles' marker (1)");
+  ok($(".waterfall-marker-bar[type=Reflow]"), "Found at least one 'Reflow' marker (1)");
+  ok($(".waterfall-marker-bar[type=Paint]"), "Found at least one 'Paint' marker (1)");
+  ok($(".waterfall-marker-bar[type=CustomMarker]"), "Found at least one 'Unknown' marker (1)");
+
+  let heightBefore = overview.fixedHeight;
+  EventUtils.synthesizeMouseAtCenter(menuItem1, {type: "mouseup"}, panel.panelWin);
+  await waitForOverviewAndCommand(overview, menuItem1);
+
+  is(overview.fixedHeight, heightBefore, "Overview height hasn't changed");
+  ok(!$(".waterfall-marker-bar[type=Styles]"), "No 'Styles' marker (2)");
+  ok($(".waterfall-marker-bar[type=Reflow]"), "Found at least one 'Reflow' marker (2)");
+  ok($(".waterfall-marker-bar[type=Paint]"), "Found at least one 'Paint' marker (2)");
+  ok($(".waterfall-marker-bar[type=CustomMarker]"), "Found at least one 'Unknown' marker (2)");
+
+  heightBefore = overview.fixedHeight;
+  EventUtils.synthesizeMouseAtCenter(menuItem2, {type: "mouseup"}, panel.panelWin);
+  await waitForOverviewAndCommand(overview, menuItem2);
+
+  is(overview.fixedHeight, heightBefore, "Overview height hasn't changed");
+  ok(!$(".waterfall-marker-bar[type=Styles]"), "No 'Styles' marker (3)");
+  ok(!$(".waterfall-marker-bar[type=Reflow]"), "No 'Reflow' marker (3)");
+  ok($(".waterfall-marker-bar[type=Paint]"), "Found at least one 'Paint' marker (3)");
+  ok($(".waterfall-marker-bar[type=CustomMarker]"), "Found at least one 'Unknown' marker (3)");
+
+  heightBefore = overview.fixedHeight;
+  EventUtils.synthesizeMouseAtCenter(menuItem3, {type: "mouseup"}, panel.panelWin);
+  await waitForOverviewAndCommand(overview, menuItem3);
+
+  is(overview.fixedHeight, heightBefore - MARKERS_GRAPH_ROW_HEIGHT, "Overview is smaller");
+  ok(!$(".waterfall-marker-bar[type=Styles]"), "No 'Styles' marker (4)");
+  ok(!$(".waterfall-marker-bar[type=Reflow]"), "No 'Reflow' marker (4)");
+  ok(!$(".waterfall-marker-bar[type=Paint]"), "No 'Paint' marker (4)");
+  ok($(".waterfall-marker-bar[type=CustomMarker]"), "Found at least one 'Unknown' marker (4)");
+
+  EventUtils.synthesizeMouseAtCenter(menuItem4, {type: "mouseup"}, panel.panelWin);
+  await waitForOverviewAndCommand(overview, menuItem4);
+
+  ok(!$(".waterfall-marker-bar[type=Styles]"), "No 'Styles' marker (5)");
+  ok(!$(".waterfall-marker-bar[type=Reflow]"), "No 'Reflow' marker (5)");
+  ok(!$(".waterfall-marker-bar[type=Paint]"), "No 'Paint' marker (5)");
+  ok(!$(".waterfall-marker-bar[type=CustomMarker]"), "No 'Unknown' marker (5)");
+
+  for (let item of [menuItem1, menuItem2, menuItem3]) {
+    EventUtils.synthesizeMouseAtCenter(item, {type: "mouseup"}, panel.panelWin);
+    await waitForOverviewAndCommand(overview, item);
+  }
+
+  ok($(".waterfall-marker-bar[type=Styles]"), "Found at least one 'Styles' marker (6)");
+  ok($(".waterfall-marker-bar[type=Reflow]"), "Found at least one 'Reflow' marker (6)");
+  ok($(".waterfall-marker-bar[type=Paint]"), "Found at least one 'Paint' marker (6)");
+  ok(!$(".waterfall-marker-bar[type=CustomMarker]"), "No 'Unknown' marker (6)");
+
+  is(overview.fixedHeight, originalHeight, "Overview restored");
+
+  await teardown(panel);
+  finish();
+}
+
+function waitForOverviewAndCommand(overview, item) {
+  let overviewRendered = overview.once("refresh");
+  let menuitemCommandDispatched = once(item, "command");
+  return Promise.all([overviewRendered, menuitemCommandDispatched]);
+}
+/* eslint-enable */
diff --git a/devtools/client/performance/test/browser_timeline-filters-02.js b/devtools/client/performance/test/browser_timeline-filters-02.js
new file mode 100644
index 0000000000..6d94853dc6
--- /dev/null
+++ b/devtools/client/performance/test/browser_timeline-filters-02.js
@@ -0,0 +1,48 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+/* eslint-disable */
+/**
+ * Tests markers filtering mechanism.
+ */
+
+const URL = EXAMPLE_URL + "doc_innerHTML.html";
+
+async function spawnTest() {
+  let { panel } = await initPerformance(URL);
+  let { $, $$, EVENTS, PerformanceController, OverviewView, WaterfallView } = panel.panelWin;
+
+  await startRecording(panel);
+  ok(true, "Recording has started.");
+
+  await waitUntil(() => {
+    let markers = PerformanceController.getCurrentRecording().getMarkers();
+    return markers.some(m => m.name == "Parse HTML") &&
+           markers.some(m => m.name == "Javascript");
+  });
+
+  let waterfallRendered = WaterfallView.once(EVENTS.UI_WATERFALL_RENDERED);
+  await stopRecording(panel);
+
+  $("#filter-button").click();
+  let filterJS = $("menuitem[marker-type=Javascript]");
+
+  await waterfallRendered;
+
+  ok($(".waterfall-marker-bar[type=Javascript]"), "Found at least one 'Javascript' marker");
+  ok(!$(".waterfall-marker-bar[type='Parse HTML']"), "Found no Parse HTML markers as they are nested still");
+
+  EventUtils.synthesizeMouseAtCenter(filterJS, {type: "mouseup"}, panel.panelWin);
+  await Promise.all([
+    WaterfallView.once(EVENTS.UI_WATERFALL_RENDERED),
+    once(filterJS, "command")
+  ]);
+
+  ok(!$(".waterfall-marker-bar[type=Javascript]"), "Javascript markers are all hidden.");
+  ok($(".waterfall-marker-bar[type='Parse HTML']"),
+    "Found at least one 'Parse HTML' marker still visible after hiding JS markers");
+
+  await teardown(panel);
+  finish();
+}
+/* eslint-enable */
diff --git a/devtools/client/performance/test/browser_timeline-waterfall-background.js b/devtools/client/performance/test/browser_timeline-waterfall-background.js
new file mode 100644
index 0000000000..2b165e7991
--- /dev/null
+++ b/devtools/client/performance/test/browser_timeline-waterfall-background.js
@@ -0,0 +1,53 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if the waterfall background is a 1px high canvas stretching across
+ * the container bounds.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+  waitForOverviewRenderedWithMarkers,
+} = require("devtools/client/performance/test/helpers/actions");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { WaterfallView } = panel.panelWin;
+
+  await startRecording(panel);
+  ok(true, "Recording has started.");
+
+  // Ensure overview is rendering and some markers were received.
+  await waitForOverviewRenderedWithMarkers(panel);
+
+  await stopRecording(panel);
+  ok(true, "Recording has ended.");
+
+  // Test the waterfall background.
+
+  ok(
+    WaterfallView.canvas,
+    "A canvas should be created after the recording ended."
+  );
+
+  is(
+    WaterfallView.canvas.width,
+    WaterfallView.waterfallWidth,
+    "The canvas width is correct."
+  );
+  is(WaterfallView.canvas.height, 1, "The canvas height is correct.");
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_timeline-waterfall-generic.js b/devtools/client/performance/test/browser_timeline-waterfall-generic.js
new file mode 100644
index 0000000000..f356845229
--- /dev/null
+++ b/devtools/client/performance/test/browser_timeline-waterfall-generic.js
@@ -0,0 +1,154 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if the waterfall is properly built after finishing a recording.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+  waitForOverviewRenderedWithMarkers,
+} = require("devtools/client/performance/test/helpers/actions");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+
+add_task(async function() {
+  const { panel } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { $, $$, EVENTS, WaterfallView } = panel.panelWin;
+
+  await startRecording(panel);
+  ok(true, "Recording has started.");
+
+  // Ensure overview is rendering and some markers were received.
+  await waitForOverviewRenderedWithMarkers(panel);
+
+  await stopRecording(panel);
+  ok(true, "Recording has ended.");
+
+  // Test the header container.
+
+  ok($(".waterfall-header"), "A header container should have been created.");
+
+  // Test the header sidebar (left).
+
+  ok(
+    $(".waterfall-header > .waterfall-sidebar"),
+    "A header sidebar node should have been created."
+  );
+
+  // Test the header ticks (right).
+
+  ok(
+    $(".waterfall-header-ticks"),
+    "A header ticks node should have been created."
+  );
+  ok(
+    $$(".waterfall-header-ticks > .waterfall-header-tick").length > 0,
+    "Some header tick labels should have been created inside the tick node."
+  );
+
+  // Test the markers sidebar (left).
+
+  ok(
+    $$(".waterfall-tree-item > .waterfall-sidebar").length,
+    "Some marker sidebar nodes should have been created."
+  );
+  ok(
+    $$(".waterfall-tree-item > .waterfall-sidebar > .waterfall-marker-bullet")
+      .length,
+    "Some marker color bullets should have been created inside the sidebar."
+  );
+  ok(
+    $$(".waterfall-tree-item > .waterfall-sidebar > .waterfall-marker-name")
+      .length,
+    "Some marker name labels should have been created inside the sidebar."
+  );
+
+  // Test the markers waterfall (right).
+
+  ok(
+    $$(".waterfall-tree-item > .waterfall-marker").length,
+    "Some marker waterfall nodes should have been created."
+  );
+  ok(
+    $$(".waterfall-tree-item > .waterfall-marker .waterfall-marker-bar").length,
+    "Some marker color bars should have been created inside the waterfall."
+  );
+
+  // Test the sidebar.
+
+  const detailsView = WaterfallView.details;
+  // Make sure the bounds are up to date.
+  WaterfallView._recalculateBounds();
+
+  const parentWidthBefore = $("#waterfall-view").getBoundingClientRect().width;
+  const sidebarWidthBefore = $(".waterfall-sidebar").getBoundingClientRect()
+    .width;
+  const detailsWidthBefore = $("#waterfall-details").getBoundingClientRect()
+    .width;
+
+  ok(
+    detailsView.hidden,
+    "The details view in the waterfall view is hidden by default."
+  );
+  is(detailsWidthBefore, 0, "The details view width should be 0 when hidden.");
+  is(
+    WaterfallView.waterfallWidth,
+    parentWidthBefore -
+      sidebarWidthBefore -
+      WaterfallView.WATERFALL_MARKER_SIDEBAR_SAFE_BOUNDS,
+    "The waterfall width is correct (1)."
+  );
+
+  const waterfallRerendered = once(WaterfallView, EVENTS.UI_WATERFALL_RENDERED);
+  $$(".waterfall-tree-item")[0].click();
+  await waterfallRerendered;
+
+  const parentWidthAfter = $("#waterfall-view").getBoundingClientRect().width;
+  const sidebarWidthAfter = $(".waterfall-sidebar").getBoundingClientRect()
+    .width;
+  const detailsWidthAfter = $("#waterfall-details").getBoundingClientRect()
+    .width;
+
+  ok(
+    !detailsView.hidden,
+    "The details view in the waterfall view is now visible."
+  );
+  is(
+    parentWidthBefore,
+    parentWidthAfter,
+    "The parent view's width should not have changed."
+  );
+  is(
+    sidebarWidthBefore,
+    sidebarWidthAfter,
+    "The sidebar view's width should not have changed."
+  );
+  isnot(
+    detailsWidthAfter,
+    0,
+    "The details view width should not be 0 when visible."
+  );
+  is(
+    WaterfallView.waterfallWidth,
+    parentWidthAfter -
+      sidebarWidthAfter -
+      detailsWidthAfter -
+      WaterfallView.WATERFALL_MARKER_SIDEBAR_SAFE_BOUNDS,
+    "The waterfall width is correct (2)."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});
diff --git a/devtools/client/performance/test/browser_timeline-waterfall-rerender.js b/devtools/client/performance/test/browser_timeline-waterfall-rerender.js
new file mode 100644
index 0000000000..bab37542cf
--- /dev/null
+++ b/devtools/client/performance/test/browser_timeline-waterfall-rerender.js
@@ -0,0 +1,76 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+/* eslint-disable */
+/**
+ * Tests if the waterfall remembers the selection when rerendering.
+ */
+
+async function spawnTest() {
+  let { target, panel } = await initPerformance(SIMPLE_URL);
+  let { $, $$, EVENTS, PerformanceController, OverviewView, WaterfallView } = panel.panelWin;
+
+  const MIN_MARKERS_COUNT = 50;
+  const MAX_MARKERS_SELECT = 20;
+
+  await startRecording(panel);
+  ok(true, "Recording has started.");
+
+  let updated = 0;
+  OverviewView.on(EVENTS.UI_OVERVIEW_RENDERED, () => updated++);
+
+  ok((await waitUntil(() => updated > 0)),
+    "The overview graphs were updated a bunch of times.");
+  ok((await waitUntil(() => PerformanceController.getCurrentRecording().getMarkers().length > MIN_MARKERS_COUNT)),
+    "There are some markers available.");
+
+  await stopRecording(panel);
+  ok(true, "Recording has ended.");
+
+  let currentMarkers = PerformanceController.getCurrentRecording().getMarkers();
+  info("Gathered markers: " + JSON.stringify(currentMarkers, null, 2));
+
+  let initialBarsCount = $$(".waterfall-marker-bar").length;
+  info("Initial bars count: " + initialBarsCount);
+
+  // Select a portion of the overview.
+  let rerendered = WaterfallView.once(EVENTS.UI_WATERFALL_RENDERED);
+  OverviewView.setTimeInterval({ startTime: 0, endTime: currentMarkers[MAX_MARKERS_SELECT].end });
+  await rerendered;
+
+  ok(!$(".waterfall-tree-item:focus"),
+    "There is no item focused in the waterfall yet.");
+  ok($("#waterfall-details").hidden,
+    "The waterfall sidebar is initially hidden.");
+
+  // Focus the second item in the tree.
+  WaterfallView._markersRoot.getChild(1).focus();
+
+  let beforeResizeBarsCount = $$(".waterfall-marker-bar").length;
+  info("Before resize bars count: " + beforeResizeBarsCount);
+  ok(beforeResizeBarsCount < initialBarsCount,
+    "A subset of the total markers was selected.");
+
+  is(Array.prototype.indexOf.call($$(".waterfall-tree-item"), $(".waterfall-tree-item:focus")), 2,
+    "The correct item was focused in the tree.");
+  ok(!$("#waterfall-details").hidden,
+    "The waterfall sidebar is now visible.");
+
+  // Simulate a resize on the marker details.
+  rerendered = WaterfallView.once(EVENTS.UI_WATERFALL_RENDERED);
+  await EventUtils.sendMouseEvent({ type: "mouseup" }, WaterfallView.detailsSplitter);
+  await rerendered;
+
+  let afterResizeBarsCount = $$(".waterfall-marker-bar").length;
+  info("After resize bars count: " + afterResizeBarsCount);
+  is(afterResizeBarsCount, beforeResizeBarsCount,
+    "The same subset of the total markers remained visible.");
+
+  is(Array.prototype.indexOf.call($$(".waterfall-tree-item"), $(".waterfall-tree-item:focus")), 2,
+    "The correct item is still focused in the tree.");
+  ok(!$("#waterfall-details").hidden,
+    "The waterfall sidebar is still visible.");
+
+  await teardown(panel);
+  finish();
+}
+/* eslint-enable */
diff --git a/devtools/client/performance/test/browser_timeline-waterfall-sidebar.js b/devtools/client/performance/test/browser_timeline-waterfall-sidebar.js
new file mode 100644
index 0000000000..e82c463742
--- /dev/null
+++ b/devtools/client/performance/test/browser_timeline-waterfall-sidebar.js
@@ -0,0 +1,77 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+/* eslint-disable */
+/**
+ * Tests if the sidebar is properly updated when a marker is selected.
+ */
+
+async function spawnTest() {
+  let { target, panel } = await initPerformance(SIMPLE_URL);
+  let { $, $$, PerformanceController, WaterfallView } = panel.panelWin;
+  let { L10N } = require("devtools/client/performance/modules/global");
+  let { MarkerBlueprintUtils } = require("devtools/client/performance/modules/marker-blueprint-utils");
+
+  // Hijack the markers massaging part of creating the waterfall view,
+  // to prevent collapsing markers and allowing this test to verify
+  // everything individually. A better solution would be to just expand
+  // all markers first and then skip the meta nodes, but I'm lazy.
+  WaterfallView._prepareWaterfallTree = markers => {
+    return { submarkers: markers };
+  };
+
+  await startRecording(panel);
+  ok(true, "Recording has started.");
+
+  await waitUntil(() => {
+    // Wait until we get 3 different markers.
+    let markers = PerformanceController.getCurrentRecording().getMarkers();
+    return markers.some(m => m.name == "Styles") &&
+           markers.some(m => m.name == "Reflow") &&
+           markers.some(m => m.name == "Paint");
+  });
+
+  await stopRecording(panel);
+  ok(true, "Recording has ended.");
+
+  info("No need to select everything in the timeline.");
+  info("All the markers should be displayed by default.");
+
+  let bars = $$(".waterfall-marker-bar");
+  let markers = PerformanceController.getCurrentRecording().getMarkers();
+
+  info(`Got ${bars.length} bars and ${markers.length} markers.`);
+  info("Markers types from datasrc: " + Array.from(markers, e => e.name));
+  info("Markers names from sidebar: " + Array.from(bars, e => e.parentNode.parentNode.querySelector(".waterfall-marker-name").getAttribute("value")));
+
+  ok(bars.length > 2, "Got at least 3 markers (1)");
+  ok(markers.length > 2, "Got at least 3 markers (2)");
+
+  let toMs = ms => L10N.getFormatStrWithNumbers("timeline.tick", ms);
+
+  for (let i = 0; i < bars.length; i++) {
+    let bar = bars[i];
+    let mkr = markers[i];
+    await EventUtils.sendMouseEvent({ type: "mousedown" }, bar);
+
+    let type = $(".marker-details-type").getAttribute("value");
+    let tooltip = $(".marker-details-duration").getAttribute("tooltiptext");
+    let duration = $(".marker-details-duration .marker-details-labelvalue").getAttribute("value");
+
+    info("Current marker data: " + mkr.toSource());
+    info("Current marker output: " + $("#waterfall-details").innerHTML);
+
+    is(type, MarkerBlueprintUtils.getMarkerLabel(mkr), "Sidebar title matches markers name.");
+
+    // Values are rounded. We don't use a strict equality.
+    is(toMs(mkr.end - mkr.start), duration, "Sidebar duration is valid.");
+
+    // For some reason, anything that creates "→" here turns it into a "â" for some reason.
+    // So just check that start and end time are in there somewhere.
+    ok(tooltip.includes(toMs(mkr.start)), "Tooltip has start time.");
+    ok(tooltip.includes(toMs(mkr.end)), "Tooltip has end time.");
+  }
+
+  await teardown(panel);
+  finish();
+}
+/* eslint-enable */
diff --git a/devtools/client/performance/test/browser_timeline-waterfall-workers.js b/devtools/client/performance/test/browser_timeline-waterfall-workers.js
new file mode 100644
index 0000000000..595ca378a5
--- /dev/null
+++ b/devtools/client/performance/test/browser_timeline-waterfall-workers.js
@@ -0,0 +1,70 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+/* eslint-disable */
+/**
+ * Tests if the sidebar is properly updated with worker markers.
+ */
+
+async function spawnTest() {
+  let { panel } = await initPerformance(WORKER_URL);
+  let { $$, $, PerformanceController } = panel.panelWin;
+
+  await startRecording(panel);
+  ok(true, "Recording has started.");
+
+  await SpecialPowers.spawn(gBrowser.selectedBrowser, [], () => {
+    content.wrappedJSObject.performWork();
+  });
+
+  await waitUntil(() => {
+    // Wait until we get the worker markers.
+    let markers = PerformanceController.getCurrentRecording().getMarkers();
+    if (!markers.some(m => m.name == "Worker") ||
+        !markers.some(m => m.workerOperation == "serializeDataOffMainThread") ||
+        !markers.some(m => m.workerOperation == "serializeDataOnMainThread") ||
+        !markers.some(m => m.workerOperation == "deserializeDataOffMainThread") ||
+        !markers.some(m => m.workerOperation == "deserializeDataOnMainThread")) {
+      return false;
+    }
+
+    testWorkerMarkerData(markers.find(m => m.name == "Worker"));
+    return true;
+  });
+
+  await stopRecording(panel);
+  ok(true, "Recording has ended.");
+
+  for (let node of $$(".waterfall-marker-name[value=Worker")) {
+    testWorkerMarkerUI(node.parentNode.parentNode);
+  }
+
+  await teardown(panel);
+  finish();
+}
+
+function testWorkerMarkerData(marker) {
+  ok(true, "Found a worker marker.");
+
+  ok("start" in marker,
+    "The start time is specified in the worker marker.");
+  ok("end" in marker,
+    "The end time is specified in the worker marker.");
+
+  ok("workerOperation" in marker,
+    "The worker operation is specified in the worker marker.");
+
+  ok("processType" in marker,
+    "The process type is specified in the worker marker.");
+  ok("isOffMainThread" in marker,
+    "The thread origin is specified in the worker marker.");
+}
+
+function testWorkerMarkerUI(node) {
+  is(node.className, "waterfall-tree-item",
+    "The marker node has the correct class name.");
+  ok(node.hasAttribute("otmt"),
+    "The marker node specifies if it is off the main thread or not.");
+}
+
+/* eslint-enable */
diff --git a/devtools/client/performance/test/doc_allocs.html b/devtools/client/performance/test/doc_allocs.html
new file mode 100644
index 0000000000..83f927e43d
--- /dev/null
+++ b/devtools/client/performance/test/doc_allocs.html
@@ -0,0 +1,26 @@
+<!-- Any copyright is dedicated to the Public Domain.
+     http://creativecommons.org/publicdomain/zero/1.0/ -->
+<!doctype html>
+
+<html>
+  <head>
+    <meta charset="utf-8"/>
+    <title>Performance test page</title>
+  </head>
+
+  <body>
+    <script type="text/javascript">
+      "use strict";
+      const allocs = [];
+      function test() {
+        for (let i = 0; i < 10; i++) {
+          allocs.push({});
+        }
+      }
+
+      // Prevent this script from being garbage collected.
+      window.setInterval(test, 1);
+    </script>
+  </body>
+
+</html>
diff --git a/devtools/client/performance/test/doc_innerHTML.html b/devtools/client/performance/test/doc_innerHTML.html
new file mode 100644
index 0000000000..e58b32f51e
--- /dev/null
+++ b/devtools/client/performance/test/doc_innerHTML.html
@@ -0,0 +1,21 @@
+<!-- Any copyright is dedicated to the Public Domain.
+     http://creativecommons.org/publicdomain/zero/1.0/ -->
+<!doctype html>
+
+<html>
+  <head>
+    <meta charset="utf-8"/>
+    <title>Performance tool + innerHTML test page</title>
+  </head>
+
+  <body>
+    <script type="text/javascript">
+      "use strict";
+      window.test = function() {
+        document.body.innerHTML = "<h1>LOL</h1>";
+      };
+      setInterval(window.test, 100);
+    </script>
+  </body>
+
+</html>
diff --git a/devtools/client/performance/test/doc_markers.html b/devtools/client/performance/test/doc_markers.html
new file mode 100644
index 0000000000..e7cbf84b98
--- /dev/null
+++ b/devtools/client/performance/test/doc_markers.html
@@ -0,0 +1,38 @@
+<!-- Any copyright is dedicated to the Public Domain.
+     http://creativecommons.org/publicdomain/zero/1.0/ -->
+<!doctype html>
+
+<html>
+  <head>
+    <meta charset="utf-8"/>
+    <title>Performance tool marker generation</title>
+  </head>
+
+  <body>
+    <script type="text/javascript">
+      "use strict";
+      function test() {
+        let i = 10;
+        // generate sync styles and reflows
+        while (--i) {
+          /* eslint-disable no-unused-vars */
+          const h = document.body.clientHeight;
+          /* eslint-enable no-unused-vars */
+          document.body.style.height = (200 + i) + "px";
+          // paint
+          document.body.style.borderTop = i + "px solid red";
+        }
+        console.time("!!!");
+        test2();
+      }
+      function test2() {
+        console.timeStamp("go");
+        console.timeEnd("!!!");
+      }
+
+      // Prevent this script from being garbage collected.
+      window.setInterval(test, 1);
+    </script>
+  </body>
+
+</html>
diff --git a/devtools/client/performance/test/doc_simple-test.html b/devtools/client/performance/test/doc_simple-test.html
new file mode 100644
index 0000000000..5cda6eaa61
--- /dev/null
+++ b/devtools/client/performance/test/doc_simple-test.html
@@ -0,0 +1,27 @@
+<!-- Any copyright is dedicated to the Public Domain.
+     http://creativecommons.org/publicdomain/zero/1.0/ -->
+<!doctype html>
+
+<html>
+  <head>
+    <meta charset="utf-8"/>
+    <title>Performance test page</title>
+  </head>
+
+  <body>
+    <script type="text/javascript">
+      "use strict";
+      let x = 1;
+      function test() {
+        document.body.style.borderTop = x + "px solid red";
+        x = 1 ^ x;
+        // flush pending reflows
+        document.body.innerHeight;
+      }
+
+      // Prevent this script from being garbage collected.
+      window.setInterval(test, 1);
+    </script>
+  </body>
+
+</html>
diff --git a/devtools/client/performance/test/doc_worker.html b/devtools/client/performance/test/doc_worker.html
new file mode 100644
index 0000000000..0637b17690
--- /dev/null
+++ b/devtools/client/performance/test/doc_worker.html
@@ -0,0 +1,29 @@
+<!-- Any copyright is dedicated to the Public Domain.
+     http://creativecommons.org/publicdomain/zero/1.0/ -->
+<!doctype html>
+
+<html>
+  <head>
+    <meta charset="utf-8"/>
+    <title>Performance test page</title>
+  </head>
+
+  <body>
+    <script type="text/javascript">
+      "use strict";
+
+      /* exported performWork */
+      function performWork() {
+        const worker = new Worker("js_simpleWorker.js");
+
+        worker.addEventListener("message", function(e) {
+          console.log(e.data);
+          console.timeStamp("Done");
+        });
+
+        worker.postMessage("Hello World");
+      }
+    </script>
+  </body>
+
+</html>
diff --git a/devtools/client/performance/test/head.js b/devtools/client/performance/test/head.js
new file mode 100644
index 0000000000..f97eb393b9
--- /dev/null
+++ b/devtools/client/performance/test/head.js
@@ -0,0 +1,117 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/* import-globals-from ../../shared/test/telemetry-test-helpers.js */
+
+"use strict";
+
+const { require, loader } = ChromeUtils.import(
+  "resource://devtools/shared/Loader.jsm"
+);
+
+try {
+  Services.scriptloader.loadSubScript(
+    "chrome://mochitests/content/browser/devtools/client/shared/test/telemetry-test-helpers.js",
+    this
+  );
+} catch (e) {
+  ok(
+    false,
+    "MISSING DEPENDENCY ON telemetry-test-helpers.js\n" +
+      "Please add the following line in browser.ini:\n" +
+      "  !/devtools/client/shared/test/telemetry-test-helpers.js\n"
+  );
+  throw e;
+}
+
+/* exported loader, either, click, dblclick, mousedown, rightMousedown, key */
+// All tests are asynchronous.
+waitForExplicitFinish();
+
+// Performance tests are much heavier because of their reliance on the
+// profiler module, memory measurements, frequent canvas operations etc. Many of
+// of them take longer than 30 seconds to finish on try server VMs, even though
+// they superficially do very little.
+requestLongerTimeout(3);
+
+// Same as `is`, but takes in two possible values.
+const either = (value, a, b, message) => {
+  if (value == a) {
+    is(value, a, message);
+  } else if (value == b) {
+    is(value, b, message);
+  } else {
+    ok(false, message);
+  }
+};
+
+// Shortcut for simulating a click on an element.
+const click = async (node, win = window) => {
+  await EventUtils.sendMouseEvent({ type: "click" }, node, win);
+};
+
+// Shortcut for simulating a double click on an element.
+const dblclick = async (node, win = window) => {
+  await EventUtils.sendMouseEvent({ type: "dblclick" }, node, win);
+};
+
+// Shortcut for simulating a mousedown on an element.
+const mousedown = async (node, win = window) => {
+  await EventUtils.sendMouseEvent({ type: "mousedown" }, node, win);
+};
+
+// Shortcut for simulating a mousedown using the right mouse button on an element.
+const rightMousedown = async (node, win = window) => {
+  await EventUtils.sendMouseEvent({ type: "mousedown", button: 2 }, node, win);
+};
+
+// Shortcut for firing a key event, like "VK_UP", "VK_DOWN", etc.
+const key = (id, win = window) => {
+  EventUtils.synthesizeKey(id, {}, win);
+};
+
+// Don't pollute global scope.
+(() => {
+  const PrefUtils = require("devtools/client/performance/test/helpers/prefs");
+
+  // Make sure all the prefs are reverted to their defaults once tests finish.
+  const stopObservingPrefs = PrefUtils.whenUnknownPrefChanged(
+    "devtools.performance",
+    pref => {
+      ok(
+        false,
+        `Unknown pref changed: ${pref}. Please add it to test/helpers/prefs.js ` +
+          "to make sure it's reverted to its default value when the tests finishes, " +
+          "and avoid interfering with future tests.\n"
+      );
+    }
+  );
+
+  // By default, enable memory flame graphs for tests for now.
+  // TODO: remove when we have flame charts via bug 1148663.
+  Services.prefs.setBoolPref(PrefUtils.UI_ENABLE_MEMORY_FLAME_CHART, true);
+
+  // By default, reduce the default buffer size to reduce the overhead when
+  // transfering the profile data. Hopefully this should help to reduce our
+  // intermittents for the performance tests.
+  Services.prefs.setIntPref(PrefUtils.PROFILER_BUFFER_SIZE_PREF, 100000);
+
+  registerCleanupFunction(() => {
+    info("finish() was called, cleaning up...");
+
+    PrefUtils.rollbackPrefsToDefault();
+    stopObservingPrefs();
+
+    // Manually stop the profiler module at the end of all tests, to hopefully
+    // avoid at least some leaks on OSX. Theoretically the module should never
+    // be active at this point. We shouldn't have to do this, but rather
+    // find and fix the leak in the module itself. Bug 1257439.
+    Services.profiler.StopProfiler();
+
+    // Forces GC, CC and shrinking GC to get rid of disconnected docshells
+    // and windows.
+    Cu.forceGC();
+    Cu.forceCC();
+    Cu.forceShrinkingGC();
+  });
+})();
diff --git a/devtools/client/performance/test/helpers/actions.js b/devtools/client/performance/test/helpers/actions.js
new file mode 100644
index 0000000000..4b169f6844
--- /dev/null
+++ b/devtools/client/performance/test/helpers/actions.js
@@ -0,0 +1,168 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+const { Constants } = require("devtools/client/performance/modules/constants");
+const {
+  once,
+  times,
+} = require("devtools/client/performance/test/helpers/event-utils");
+const {
+  waitUntil,
+} = require("devtools/client/performance/test/helpers/wait-utils");
+
+/**
+ * Starts a manual recording in the given performance tool panel and
+ * waits for it to finish starting.
+ */
+exports.startRecording = function(panel, options = {}) {
+  const controller = panel.panelWin.PerformanceController;
+
+  return Promise.all([
+    controller.startRecording(),
+    exports.waitForRecordingStartedEvents(panel, options),
+  ]);
+};
+
+/**
+ * Stops the latest recording in the given performance tool panel and
+ * waits for it to finish stopping.
+ */
+exports.stopRecording = function(panel, options = {}) {
+  const controller = panel.panelWin.PerformanceController;
+
+  return Promise.all([
+    controller.stopRecording(),
+    exports.waitForRecordingStoppedEvents(panel, options),
+  ]);
+};
+
+/**
+ * Waits for all the necessary events to be emitted after a recording starts.
+ */
+exports.waitForRecordingStartedEvents = function(panel, options = {}) {
+  options.expectedViewState =
+    options.expectedViewState || /^(console-)?recording$/;
+
+  const EVENTS = panel.panelWin.EVENTS;
+  const controller = panel.panelWin.PerformanceController;
+  const view = panel.panelWin.PerformanceView;
+  const overview = panel.panelWin.OverviewView;
+
+  return Promise.all([
+    options.skipWaitingForBackendReady
+      ? null
+      : once(controller, EVENTS.BACKEND_READY_AFTER_RECORDING_START),
+    options.skipWaitingForRecordingStarted
+      ? null
+      : once(controller, EVENTS.RECORDING_STATE_CHANGE, {
+          expectedArgs: ["recording-started"],
+        }),
+    options.skipWaitingForViewState
+      ? null
+      : once(view, EVENTS.UI_STATE_CHANGED, {
+          expectedArgs: [options.expectedViewState],
+        }),
+    options.skipWaitingForOverview
+      ? null
+      : once(overview, EVENTS.UI_OVERVIEW_RENDERED, {
+          expectedArgs: [Constants.FRAMERATE_GRAPH_LOW_RES_INTERVAL],
+        }),
+  ]);
+};
+
+/**
+ * Waits for all the necessary events to be emitted after a recording finishes.
+ */
+exports.waitForRecordingStoppedEvents = function(panel, options = {}) {
+  options.expectedViewClass = options.expectedViewClass || "WaterfallView";
+  options.expectedViewEvent =
+    options.expectedViewEvent || "UI_WATERFALL_RENDERED";
+  options.expectedViewState = options.expectedViewState || "recorded";
+
+  const EVENTS = panel.panelWin.EVENTS;
+  const controller = panel.panelWin.PerformanceController;
+  const view = panel.panelWin.PerformanceView;
+  const overview = panel.panelWin.OverviewView;
+  const subview = panel.panelWin[options.expectedViewClass];
+
+  return Promise.all([
+    options.skipWaitingForBackendReady
+      ? null
+      : once(controller, EVENTS.BACKEND_READY_AFTER_RECORDING_STOP),
+    options.skipWaitingForRecordingStop
+      ? null
+      : once(controller, EVENTS.RECORDING_STATE_CHANGE, {
+          expectedArgs: ["recording-stopping"],
+        }),
+    options.skipWaitingForRecordingStop
+      ? null
+      : once(controller, EVENTS.RECORDING_STATE_CHANGE, {
+          expectedArgs: ["recording-stopped"],
+        }),
+    options.skipWaitingForViewState
+      ? null
+      : once(view, EVENTS.UI_STATE_CHANGED, {
+          expectedArgs: [options.expectedViewState],
+        }),
+    options.skipWaitingForOverview
+      ? null
+      : once(overview, EVENTS.UI_OVERVIEW_RENDERED, {
+          expectedArgs: [Constants.FRAMERATE_GRAPH_HIGH_RES_INTERVAL],
+        }),
+    options.skipWaitingForSubview
+      ? null
+      : once(subview, EVENTS[options.expectedViewEvent]),
+  ]);
+};
+
+/**
+ * Waits for rendering to happen once on all the performance tool's widgets.
+ */
+exports.waitForAllWidgetsRendered = panel => {
+  const { panelWin } = panel;
+  const { EVENTS } = panelWin;
+
+  return Promise.all([
+    once(panelWin.OverviewView, EVENTS.UI_MARKERS_GRAPH_RENDERED),
+    once(panelWin.OverviewView, EVENTS.UI_MEMORY_GRAPH_RENDERED),
+    once(panelWin.OverviewView, EVENTS.UI_FRAMERATE_GRAPH_RENDERED),
+    once(panelWin.OverviewView, EVENTS.UI_OVERVIEW_RENDERED),
+    once(panelWin.WaterfallView, EVENTS.UI_WATERFALL_RENDERED),
+    once(panelWin.JsCallTreeView, EVENTS.UI_JS_CALL_TREE_RENDERED),
+    once(panelWin.JsFlameGraphView, EVENTS.UI_JS_FLAMEGRAPH_RENDERED),
+    once(panelWin.MemoryCallTreeView, EVENTS.UI_MEMORY_CALL_TREE_RENDERED),
+    once(panelWin.MemoryFlameGraphView, EVENTS.UI_MEMORY_FLAMEGRAPH_RENDERED),
+  ]);
+};
+
+/**
+ * Waits for rendering to happen on the performance tool's overview graph,
+ * making sure some markers were also rendered.
+ */
+exports.waitForOverviewRenderedWithMarkers = (
+  panel,
+  minTimes = 3,
+  minMarkers = 1
+) => {
+  const { EVENTS, OverviewView, PerformanceController } = panel.panelWin;
+
+  return Promise.all([
+    times(OverviewView, EVENTS.UI_OVERVIEW_RENDERED, minTimes, {
+      expectedArgs: [Constants.FRAMERATE_GRAPH_LOW_RES_INTERVAL],
+    }),
+    waitUntil(
+      () =>
+        PerformanceController.getCurrentRecording().getMarkers().length >=
+        minMarkers
+    ),
+  ]);
+};
+
+/**
+ * Reloads the given tab target.
+ */
+exports.reload = target => {
+  target.reload();
+  return once(target, "navigate");
+};
diff --git a/devtools/client/performance/test/helpers/dom-utils.js b/devtools/client/performance/test/helpers/dom-utils.js
new file mode 100644
index 0000000000..acc09499e2
--- /dev/null
+++ b/devtools/client/performance/test/helpers/dom-utils.js
@@ -0,0 +1,32 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+const Services = require("Services");
+const {
+  waitForMozAfterPaint,
+} = require("devtools/client/performance/test/helpers/wait-utils");
+
+/**
+ * Checks if a DOM node is considered visible.
+ */
+exports.isVisible = element => {
+  return !element.classList.contains("hidden") && !element.hidden;
+};
+
+/**
+ * Appends the provided element to the provided parent node. If run in e10s
+ * mode, will also wait for MozAfterPaint to make sure the tab is rendered.
+ * Should be reviewed if Bug 1240509 lands.
+ */
+exports.appendAndWaitForPaint = function(parent, element) {
+  const isE10s = Services.appinfo.browserTabsRemoteAutostart;
+  if (isE10s) {
+    const win = parent.ownerDocument.defaultView;
+    const onMozAfterPaint = waitForMozAfterPaint(win);
+    parent.appendChild(element);
+    return onMozAfterPaint;
+  }
+  parent.appendChild(element);
+  return null;
+};
diff --git a/devtools/client/performance/test/helpers/event-utils.js b/devtools/client/performance/test/helpers/event-utils.js
new file mode 100644
index 0000000000..7f9e765f4f
--- /dev/null
+++ b/devtools/client/performance/test/helpers/event-utils.js
@@ -0,0 +1,118 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/* globals dump */
+
+const Services = require("Services");
+
+const KNOWN_EE_APIS = [
+  ["on", "off"],
+  ["addEventListener", "removeEventListener"],
+  ["addListener", "removeListener"],
+];
+
+/**
+ * Listens for any event for a single time on a target, no matter what kind of
+ * event emitter it is, returning a promise resolved with the passed arguments
+ * once the event is fired.
+ */
+exports.once = function(target, eventName, options = {}) {
+  return exports.times(target, eventName, 1, options);
+};
+
+/**
+ * Waits for any event to be fired a specified amount of times on a target, no
+ * matter what kind of event emitter.
+ * Possible options: `useCapture`, `spreadArgs`, `expectedArgs`
+ */
+exports.times = function(target, eventName, receiveCount, options = {}) {
+  const msg = `Waiting for event: '${eventName}' on ${target} for ${receiveCount} time(s)`;
+  if ("expectedArgs" in options) {
+    dump(`${msg} with arguments: ${JSON.stringify(options.expectedArgs)}.\n`);
+  } else {
+    dump(`${msg}.\n`);
+  }
+
+  return new Promise((resolve, reject) => {
+    if (typeof eventName != "string") {
+      reject(new Error(`Unexpected event name: ${eventName}.`));
+    }
+
+    const API = KNOWN_EE_APIS.find(([a, r]) => a in target && r in target);
+    if (!API) {
+      reject(new Error("Target is not a supported event listener."));
+      return;
+    }
+
+    const [add, remove] = API;
+
+    target[add](
+      eventName,
+      function onEvent(...args) {
+        if ("expectedArgs" in options) {
+          for (const [index, expectedValue] of options.expectedArgs.entries()) {
+            const isExpectedValueRegExp = expectedValue instanceof RegExp;
+            if (
+              (isExpectedValueRegExp && !expectedValue.exec(args[index])) ||
+              (!isExpectedValueRegExp && expectedValue != args[index])
+            ) {
+              dump(
+                `Ignoring event '${eventName}' with unexpected argument at index ` +
+                  `${index}: ${args[index]} - expected ${expectedValue}\n`
+              );
+              return;
+            }
+          }
+        }
+        if (--receiveCount > 0) {
+          dump(
+            `Event: '${eventName}' on ${target} needs to be fired ${receiveCount} ` +
+              `more time(s).\n`
+          );
+        } else if (!receiveCount) {
+          dump(`Event: '${eventName}' on ${target} received.\n`);
+          target[remove](eventName, onEvent, options.useCapture);
+          resolve(options.spreadArgs ? args : args[0]);
+        }
+      },
+      options.useCapture
+    );
+  });
+};
+
+/**
+ * Like `times`, but for observer notifications.
+ * Possible options: `expectedSubject`
+ */
+exports.observeTimes = function(notificationName, receiveCount, options = {}) {
+  dump(
+    `Waiting for notification: '${notificationName}' for ${receiveCount} time(s).\n`
+  );
+
+  return new Promise((resolve, reject) => {
+    if (typeof notificationName != "string") {
+      reject(new Error(`Unexpected notification name: ${notificationName}.`));
+    }
+
+    Services.obs.addObserver(function onObserve(subject, topic, data) {
+      if ("expectedSubject" in options && options.expectedSubject != subject) {
+        dump(
+          `Ignoring notification '${notificationName}' with unexpected subject: ` +
+            `${subject}\n`
+        );
+        return;
+      }
+      if (--receiveCount > 0) {
+        dump(
+          `Notification: '${notificationName}' needs to be fired ${receiveCount} ` +
+            `more time(s).\n`
+        );
+      } else if (!receiveCount) {
+        dump(`Notification: '${notificationName}' received.\n`);
+        Services.obs.removeObserver(onObserve, topic);
+        resolve(data);
+      }
+    }, notificationName);
+  });
+};
diff --git a/devtools/client/performance/test/helpers/input-utils.js b/devtools/client/performance/test/helpers/input-utils.js
new file mode 100644
index 0000000000..52919fec5b
--- /dev/null
+++ b/devtools/client/performance/test/helpers/input-utils.js
@@ -0,0 +1,86 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+exports.HORIZONTAL_AXIS = 1;
+exports.VERTICAL_AXIS = 2;
+
+/**
+ * Simulates a command event on an element.
+ */
+exports.command = node => {
+  const ev = node.ownerDocument.createEvent("XULCommandEvent");
+  ev.initCommandEvent(
+    "command",
+    true,
+    true,
+    node.ownerDocument.defaultView,
+    0,
+    false,
+    false,
+    false,
+    false,
+    null,
+    0
+  );
+  node.dispatchEvent(ev);
+};
+
+/**
+ * Simulates a click event on a devtools canvas graph.
+ */
+exports.clickCanvasGraph = (graph, { x, y }) => {
+  x = x || 0;
+  y = y || 0;
+  x /= graph._window.devicePixelRatio;
+  y /= graph._window.devicePixelRatio;
+  graph._onMouseMove({ testX: x, testY: y });
+  graph._onMouseDown({ testX: x, testY: y });
+  graph._onMouseUp({ testX: x, testY: y });
+};
+
+/**
+ * Simulates a drag start event on a devtools canvas graph.
+ */
+exports.dragStartCanvasGraph = (graph, { x, y }) => {
+  x = x || 0;
+  y = y || 0;
+  x /= graph._window.devicePixelRatio;
+  y /= graph._window.devicePixelRatio;
+  graph._onMouseMove({ testX: x, testY: y });
+  graph._onMouseDown({ testX: x, testY: y });
+};
+
+/**
+ * Simulates a drag stop event on a devtools canvas graph.
+ */
+exports.dragStopCanvasGraph = (graph, { x, y }) => {
+  x = x || 0;
+  y = y || 0;
+  x /= graph._window.devicePixelRatio;
+  y /= graph._window.devicePixelRatio;
+  graph._onMouseMove({ testX: x, testY: y });
+  graph._onMouseUp({ testX: x, testY: y });
+};
+
+/**
+ * Simulates a scroll event on a devtools canvas graph.
+ */
+exports.scrollCanvasGraph = (graph, { axis, wheel, x, y }) => {
+  x = x || 1;
+  y = y || 1;
+  x /= graph._window.devicePixelRatio;
+  y /= graph._window.devicePixelRatio;
+  graph._onMouseMove({
+    testX: x,
+    testY: y,
+  });
+  graph._onMouseWheel({
+    testX: x,
+    testY: y,
+    axis: axis,
+    detail: wheel,
+    HORIZONTAL_AXIS: exports.HORIZONTAL_AXIS,
+    VERTICAL_AXIS: exports.VERTICAL_AXIS,
+  });
+};
diff --git a/devtools/client/performance/test/helpers/moz.build b/devtools/client/performance/test/helpers/moz.build
new file mode 100644
index 0000000000..d1b1b65472
--- /dev/null
+++ b/devtools/client/performance/test/helpers/moz.build
@@ -0,0 +1,20 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+DevToolsModules(
+    "actions.js",
+    "dom-utils.js",
+    "event-utils.js",
+    "input-utils.js",
+    "panel-utils.js",
+    "prefs.js",
+    "profiler-mm-utils.js",
+    "recording-utils.js",
+    "synth-utils.js",
+    "tab-utils.js",
+    "urls.js",
+    "wait-utils.js",
+)
diff --git a/devtools/client/performance/test/helpers/panel-utils.js b/devtools/client/performance/test/helpers/panel-utils.js
new file mode 100644
index 0000000000..d078242349
--- /dev/null
+++ b/devtools/client/performance/test/helpers/panel-utils.js
@@ -0,0 +1,111 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/* globals dump */
+
+const { gDevTools } = require("devtools/client/framework/devtools");
+const { TargetFactory } = require("devtools/client/framework/target");
+const {
+  addTab,
+  removeTab,
+} = require("devtools/client/performance/test/helpers/tab-utils");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+
+/**
+ * Initializes a toolbox panel in a new tab.
+ */
+exports.initPanelInNewTab = async function({ tool, url, win }, options = {}) {
+  const tab = await addTab({ url, win }, options);
+  return exports.initPanelInTab({ tool, tab });
+};
+
+/**
+ * Initializes a toolbox panel in the specified tab.
+ */
+exports.initPanelInTab = async function({ tool, tab }) {
+  dump(`Initializing a ${tool} panel.\n`);
+
+  const target = await TargetFactory.forTab(tab);
+
+  // Open a toolbox and wait for the connection to the performance actors
+  // to be opened. This is necessary because of the WebConsole's
+  // `profile` and `profileEnd` methods.
+  const toolbox = await gDevTools.showToolbox(target, tool);
+  // ensure that the performance front is ready
+  await target.getFront("performance");
+
+  const panel = toolbox.getCurrentPanel();
+  return { target, toolbox, panel };
+};
+
+/**
+ * Initializes a performance panel in a new tab.
+ */
+exports.initPerformanceInNewTab = async function({ url, win }, options = {}) {
+  const tab = await addTab({ url, win }, options);
+  return exports.initPerformanceInTab({ tab });
+};
+
+/**
+ * Initializes a performance panel in the specified tab.
+ */
+exports.initPerformanceInTab = async function({ tab }) {
+  return exports.initPanelInTab({
+    tool: "performance",
+    tab: tab,
+  });
+};
+
+/**
+ * Initializes a webconsole panel in a new tab.
+ * Returns a console property that allows calls to `profile` and `profileEnd`.
+ */
+exports.initConsoleInNewTab = async function({ url, win }, options = {}) {
+  const tab = await addTab({ url, win }, options);
+  return exports.initConsoleInTab({ tab });
+};
+
+/**
+ * Initializes a webconsole panel in the specified tab.
+ * Returns a console property that allows calls to `profile` and `profileEnd`.
+ */
+exports.initConsoleInTab = async function({ tab }) {
+  const { target, toolbox, panel } = await exports.initPanelInTab({
+    tool: "webconsole",
+    tab: tab,
+  });
+
+  const consoleMethod = async function(method, label, event) {
+    const performanceFront = await toolbox.target.getFront("performance");
+    const recordingEventReceived = once(performanceFront, event);
+    const expression = label
+      ? `console.${method}("${label}")`
+      : `console.${method}()`;
+    await panel.hud.ui.wrapper.dispatchEvaluateExpression(expression);
+    await recordingEventReceived;
+  };
+
+  const profile = async function(label) {
+    return consoleMethod("profile", label, "recording-started");
+  };
+
+  const profileEnd = async function(label) {
+    return consoleMethod("profileEnd", label, "recording-stopped");
+  };
+
+  return { target, toolbox, panel, console: { profile, profileEnd } };
+};
+
+/**
+ * Tears down a toolbox panel and removes an associated tab.
+ */
+exports.teardownToolboxAndRemoveTab = async function(panel) {
+  dump("Destroying panel.\n");
+
+  const tab = panel.target.localTab;
+  await panel.toolbox.destroy();
+  await removeTab(tab);
+};
diff --git a/devtools/client/performance/test/helpers/prefs.js b/devtools/client/performance/test/helpers/prefs.js
new file mode 100644
index 0000000000..1b9ec63545
--- /dev/null
+++ b/devtools/client/performance/test/helpers/prefs.js
@@ -0,0 +1,78 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+const Services = require("Services");
+const { Preferences } = require("resource://gre/modules/Preferences.jsm");
+
+// Prefs to revert to default once tests finish. Keep these in sync with
+// all the preferences defined in devtools/client/preferences/devtools-client.js.
+exports.MEMORY_SAMPLE_PROB_PREF =
+  "devtools.performance.memory.sample-probability";
+exports.MEMORY_MAX_LOG_LEN_PREF = "devtools.performance.memory.max-log-length";
+exports.PROFILER_BUFFER_SIZE_PREF = "devtools.performance.profiler.buffer-size";
+exports.PROFILER_SAMPLE_RATE_PREF =
+  "devtools.performance.profiler.sample-frequency-hz";
+
+exports.UI_EXPERIMENTAL_PREF = "devtools.performance.ui.experimental";
+exports.UI_INVERT_CALL_TREE_PREF = "devtools.performance.ui.invert-call-tree";
+exports.UI_INVERT_FLAME_PREF = "devtools.performance.ui.invert-flame-graph";
+exports.UI_FLATTEN_RECURSION_PREF =
+  "devtools.performance.ui.flatten-tree-recursion";
+exports.UI_SHOW_PLATFORM_DATA_PREF =
+  "devtools.performance.ui.show-platform-data";
+exports.UI_SHOW_IDLE_BLOCKS_PREF = "devtools.performance.ui.show-idle-blocks";
+exports.UI_ENABLE_FRAMERATE_PREF = "devtools.performance.ui.enable-framerate";
+exports.UI_ENABLE_MEMORY_PREF = "devtools.performance.ui.enable-memory";
+exports.UI_ENABLE_ALLOCATIONS_PREF =
+  "devtools.performance.ui.enable-allocations";
+exports.UI_ENABLE_MEMORY_FLAME_CHART =
+  "devtools.performance.ui.enable-memory-flame";
+
+exports.DEFAULT_PREF_VALUES = [
+  "devtools.debugger.log",
+  "devtools.performance.enabled",
+  "devtools.performance.timeline.hidden-markers",
+  exports.MEMORY_SAMPLE_PROB_PREF,
+  exports.MEMORY_MAX_LOG_LEN_PREF,
+  exports.PROFILER_BUFFER_SIZE_PREF,
+  exports.PROFILER_SAMPLE_RATE_PREF,
+  exports.UI_EXPERIMENTAL_PREF,
+  exports.UI_INVERT_CALL_TREE_PREF,
+  exports.UI_INVERT_FLAME_PREF,
+  exports.UI_FLATTEN_RECURSION_PREF,
+  exports.UI_SHOW_PLATFORM_DATA_PREF,
+  exports.UI_SHOW_IDLE_BLOCKS_PREF,
+  exports.UI_ENABLE_FRAMERATE_PREF,
+  exports.UI_ENABLE_MEMORY_PREF,
+  exports.UI_ENABLE_ALLOCATIONS_PREF,
+  exports.UI_ENABLE_MEMORY_FLAME_CHART,
+  "devtools.performance.ui.show-jit-optimizations",
+  "devtools.performance.ui.show-triggers-for-gc-types",
+].reduce((prefValues, prefName) => {
+  prefValues[prefName] = Preferences.get(prefName);
+  return prefValues;
+}, {});
+
+/**
+ * Invokes callback when a pref which is not in the `DEFAULT_PREF_VALUES` store
+ * is changed. Returns a cleanup function.
+ */
+exports.whenUnknownPrefChanged = function(branch, callback) {
+  function onObserve(subject, topic, data) {
+    if (!(data in exports.DEFAULT_PREF_VALUES)) {
+      callback(data);
+    }
+  }
+  Services.prefs.addObserver(branch, onObserve);
+  return () => Services.prefs.removeObserver(branch, onObserve);
+};
+
+/**
+ * Reverts all known preferences to their default values.
+ */
+exports.rollbackPrefsToDefault = function() {
+  for (const prefName of Object.keys(exports.DEFAULT_PREF_VALUES)) {
+    Preferences.set(prefName, exports.DEFAULT_PREF_VALUES[prefName]);
+  }
+};
diff --git a/devtools/client/performance/test/helpers/profiler-mm-utils.js b/devtools/client/performance/test/helpers/profiler-mm-utils.js
new file mode 100644
index 0000000000..c2c2100903
--- /dev/null
+++ b/devtools/client/performance/test/helpers/profiler-mm-utils.js
@@ -0,0 +1,82 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+"use strict";
+
+/**
+ * The following functions are used in testing to control and inspect
+ * the nsIProfiler in child process content. These should be called from
+ * the parent process.
+ */
+
+let gSelectedBrowser = null;
+
+/**
+ * Loads the relevant frame scripts into the provided browser's message manager.
+ */
+exports.pmmInitWithBrowser = gBrowser => {
+  gSelectedBrowser = gBrowser.selectedBrowser;
+};
+
+/**
+ * Checks if the nsProfiler module is active.
+ */
+exports.pmmIsProfilerActive = () => {
+  return exports.pmmSendProfilerCommand("IsActive");
+};
+
+/**
+ * Starts the nsProfiler module.
+ */
+exports.pmmStartProfiler = async function({ entries, interval, features }) {
+  const isActive = (await exports.pmmSendProfilerCommand("IsActive")).isActive;
+  if (!isActive) {
+    return exports.pmmSendProfilerCommand("StartProfiler", [
+      entries,
+      interval,
+      features,
+      features.length,
+    ]);
+  }
+  return null;
+};
+/**
+ * Stops the nsProfiler module.
+ */
+exports.pmmStopProfiler = async function() {
+  const isActive = (await exports.pmmSendProfilerCommand("IsActive")).isActive;
+  if (isActive) {
+    return exports.pmmSendProfilerCommand("StopProfiler");
+  }
+  return null;
+};
+
+/**
+ * Calls a method on the nsProfiler module.
+ */
+exports.pmmSendProfilerCommand = (method, args = []) => {
+  // This script is loaded via the CommonJS module so the global
+  // SpecialPowers isn't available, so get it from the browser's window.
+  return gSelectedBrowser.ownerGlobal.SpecialPowers.spawn(
+    gSelectedBrowser,
+    [method, args],
+    (methodChild, argsChild) => {
+      return Services.profiler[methodChild](...argsChild);
+    }
+  );
+};
+
+/**
+ * Evaluates a console method in content.
+ */
+exports.pmmConsoleMethod = function(method, ...args) {
+  // This script is loaded via the CommonJS module so the global
+  // SpecialPowers isn't available, so get it from the browser's window.
+  return gSelectedBrowser.ownerGlobal.SpecialPowers.spawn(
+    gSelectedBrowser,
+    [method, args],
+    (methodChild, argsChild) => {
+      content.console[methodChild].apply(content.console, argsChild);
+    }
+  );
+};
diff --git a/devtools/client/performance/test/helpers/recording-utils.js b/devtools/client/performance/test/helpers/recording-utils.js
new file mode 100644
index 0000000000..621193b798
--- /dev/null
+++ b/devtools/client/performance/test/helpers/recording-utils.js
@@ -0,0 +1,54 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+"use strict";
+
+/**
+ * These utilities provide a functional interface for accessing the particulars
+ * about the recording's details.
+ */
+
+/**
+ * Access the selected view from the panel's recording list.
+ *
+ * @param {object} panel - The current panel.
+ * @return {object} The recording model.
+ */
+exports.getSelectedRecording = function(panel) {
+  const view = panel.panelWin.RecordingsView;
+  return view.selected;
+};
+
+/**
+ * Set the selected index of the recording via the panel.
+ *
+ * @param {object} panel - The current panel.
+ * @return {number} index
+ */
+exports.setSelectedRecording = function(panel, index) {
+  const view = panel.panelWin.RecordingsView;
+  view.setSelectedByIndex(index);
+  return index;
+};
+
+/**
+ * Access the selected view from the panel's recording list.
+ *
+ * @param {object} panel - The current panel.
+ * @return {number} index
+ */
+exports.getSelectedRecordingIndex = function(panel) {
+  const view = panel.panelWin.RecordingsView;
+  return view.getSelectedIndex();
+};
+
+exports.getDurationLabelText = function(panel, elementIndex) {
+  const { $$ } = panel.panelWin;
+  const elements = $$(".recording-list-item-duration", panel.panelWin.document);
+  return elements[elementIndex].innerHTML;
+};
+
+exports.getRecordingsCount = function(panel) {
+  const { $$ } = panel.panelWin;
+  return $$(".recording-list-item", panel.panelWin.document).length;
+};
diff --git a/devtools/client/performance/test/helpers/synth-utils.js b/devtools/client/performance/test/helpers/synth-utils.js
new file mode 100644
index 0000000000..6e8438d79d
--- /dev/null
+++ b/devtools/client/performance/test/helpers/synth-utils.js
@@ -0,0 +1,152 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Generates a generalized profile with some samples.
+ */
+exports.synthesizeProfile = () => {
+  const {
+    CATEGORY_INDEX,
+  } = require("devtools/client/performance/modules/categories");
+  const RecordingUtils = require("devtools/shared/performance/recording-utils");
+
+  return RecordingUtils.deflateProfile({
+    meta: { version: 2 },
+    threads: [
+      {
+        samples: [
+          {
+            time: 1,
+            frames: [
+              { category: CATEGORY_INDEX("other"), location: "(root)" },
+              {
+                category: CATEGORY_INDEX("js"),
+                location: "A (http://foo/bar/baz:12:9)",
+              },
+              {
+                category: CATEGORY_INDEX("layout"),
+                location: "B InterruptibleLayout",
+              },
+              {
+                category: CATEGORY_INDEX("js"),
+                location: "C (http://foo/bar/baz:56)",
+              },
+            ],
+          },
+          {
+            time: 1 + 1,
+            frames: [
+              { category: CATEGORY_INDEX("other"), location: "(root)" },
+              {
+                category: CATEGORY_INDEX("js"),
+                location: "A (http://foo/bar/baz:12:9)",
+              },
+              {
+                category: CATEGORY_INDEX("layout"),
+                location: "B InterruptibleLayout",
+              },
+              {
+                category: CATEGORY_INDEX("gc"),
+                location: "D INTER_SLICE_GC",
+              },
+            ],
+          },
+          {
+            time: 1 + 1 + 2,
+            frames: [
+              { category: CATEGORY_INDEX("other"), location: "(root)" },
+              {
+                category: CATEGORY_INDEX("js"),
+                location: "A (http://foo/bar/baz:12:9)",
+              },
+              {
+                category: CATEGORY_INDEX("layout"),
+                location: "B InterruptibleLayout",
+              },
+              {
+                category: CATEGORY_INDEX("gc"),
+                location: "D INTER_SLICE_GC",
+              },
+            ],
+          },
+          {
+            time: 1 + 1 + 2 + 3,
+            frames: [
+              { category: CATEGORY_INDEX("other"), location: "(root)" },
+              {
+                category: CATEGORY_INDEX("js"),
+                location: "A (http://foo/bar/baz:12:9)",
+              },
+              {
+                category: CATEGORY_INDEX("gc"),
+                location: "E",
+              },
+              {
+                category: CATEGORY_INDEX("network"),
+                location: "F",
+              },
+            ],
+          },
+        ],
+      },
+    ],
+  });
+};
+
+/**
+ * Generates a simple implementation for a tree class.
+ */
+exports.synthesizeCustomTreeClass = () => {
+  const {
+    AbstractTreeItem,
+  } = require("resource://devtools/client/shared/widgets/AbstractTreeItem.jsm");
+  const { extend } = require("devtools/shared/extend");
+
+  function MyCustomTreeItem(dataSrc, properties) {
+    AbstractTreeItem.call(this, properties);
+    this.itemDataSrc = dataSrc;
+  }
+
+  MyCustomTreeItem.prototype = extend(AbstractTreeItem.prototype, {
+    _displaySelf: function(document, arrowNode) {
+      const node = document.createXULElement("hbox");
+      node.style.marginInlineStart = this.level * 10 + "px";
+      node.appendChild(arrowNode);
+      node.appendChild(document.createTextNode(this.itemDataSrc.label));
+      return node;
+    },
+
+    _populateSelf: function(children) {
+      for (const childDataSrc of this.itemDataSrc.children) {
+        children.push(
+          new MyCustomTreeItem(childDataSrc, {
+            parent: this,
+            level: this.level + 1,
+          })
+        );
+      }
+    },
+  });
+
+  const myDataSrc = {
+    label: "root",
+    children: [
+      {
+        label: "foo",
+        children: [],
+      },
+      {
+        label: "bar",
+        children: [
+          {
+            label: "baz",
+            children: [],
+          },
+        ],
+      },
+    ],
+  };
+
+  return { MyCustomTreeItem, myDataSrc };
+};
diff --git a/devtools/client/performance/test/helpers/tab-utils.js b/devtools/client/performance/test/helpers/tab-utils.js
new file mode 100644
index 0000000000..e9bd6354de
--- /dev/null
+++ b/devtools/client/performance/test/helpers/tab-utils.js
@@ -0,0 +1,44 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/* globals dump */
+
+const {
+  BrowserTestUtils,
+} = require("resource://testing-common/BrowserTestUtils.jsm");
+
+/**
+ * Gets a random integer in between an interval. Used to uniquely identify
+ * added tabs by augmenting the URL.
+ */
+function getRandomInt(min, max) {
+  return Math.floor(Math.random() * (max - min + 1)) + min;
+}
+
+/**
+ * Adds a browser tab with the given url in the specified window and waits
+ * for it to load.
+ */
+exports.addTab = function({ url, win }, options = {}) {
+  const id = getRandomInt(0, Number.MAX_SAFE_INTEGER - 1);
+  url += `#${id}`;
+
+  dump(`Adding tab with url: ${url}.\n`);
+
+  const { gBrowser } = win || window;
+  return BrowserTestUtils.openNewForegroundTab(
+    gBrowser,
+    url,
+    !options.dontWaitForTabReady
+  );
+};
+
+/**
+ * Removes a browser tab from the specified window and waits for it to close.
+ */
+exports.removeTab = function(tab) {
+  dump(`Removing tab: ${tab.linkedBrowser.currentURI.spec}.\n`);
+
+  BrowserTestUtils.removeTab(tab);
+};
diff --git a/devtools/client/performance/test/helpers/urls.js b/devtools/client/performance/test/helpers/urls.js
new file mode 100644
index 0000000000..cd5247823f
--- /dev/null
+++ b/devtools/client/performance/test/helpers/urls.js
@@ -0,0 +1,9 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+exports.EXAMPLE_URL =
+  "http://example.com/browser/devtools/client/performance/test";
+exports.SIMPLE_URL = `${exports.EXAMPLE_URL}/doc_simple-test.html`;
+// Used to test a page running on main process.
+exports.MAIN_PROCESS_URL = "about:robots";
diff --git a/devtools/client/performance/test/helpers/wait-utils.js b/devtools/client/performance/test/helpers/wait-utils.js
new file mode 100644
index 0000000000..48dc31c791
--- /dev/null
+++ b/devtools/client/performance/test/helpers/wait-utils.js
@@ -0,0 +1,54 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/* globals dump */
+
+const { CC } = require("chrome");
+const DevToolsUtils = require("devtools/shared/DevToolsUtils");
+const {
+  once,
+} = require("devtools/client/performance/test/helpers/event-utils");
+
+/**
+ * Blocks the main thread for the specified amount of time.
+ */
+exports.busyWait = function(time) {
+  dump(`Busy waiting for: ${time} milliseconds.\n`);
+  const start = Date.now();
+  /* eslint-disable no-unused-vars */
+  let stack;
+  while (Date.now() - start < time) {
+    stack = CC.stack;
+  }
+  /* eslint-enable no-unused-vars */
+};
+
+/**
+ * Idly waits for the specified amount of time.
+ */
+exports.idleWait = function(time) {
+  dump(`Idly waiting for: ${time} milliseconds.\n`);
+  return DevToolsUtils.waitForTime(time);
+};
+
+/**
+ * Waits until a predicate returns true.
+ */
+exports.waitUntil = async function(predicate, interval = 100, tries = 100) {
+  for (let i = 1; i <= tries; i++) {
+    if (await predicate()) {
+      dump(`Predicate returned true after ${i} tries.\n`);
+      return;
+    }
+    await exports.idleWait(interval);
+  }
+  throw new Error(`Predicate returned false after ${tries} tries, aborting.\n`);
+};
+
+/**
+ * Waits for a `MozAfterPaint` event to be fired on the specified window.
+ */
+exports.waitForMozAfterPaint = function(window) {
+  return once(window, "MozAfterPaint");
+};
diff --git a/devtools/client/performance/test/js_simpleWorker.js b/devtools/client/performance/test/js_simpleWorker.js
new file mode 100644
index 0000000000..1f77e27e4f
--- /dev/null
+++ b/devtools/client/performance/test/js_simpleWorker.js
@@ -0,0 +1,6 @@
+"use strict";
+
+self.addEventListener("message", function(e) {
+  self.postMessage(e.data);
+  self.close();
+});
diff --git a/devtools/client/performance/test/moz.build b/devtools/client/performance/test/moz.build
new file mode 100644
index 0000000000..728f6a155b
--- /dev/null
+++ b/devtools/client/performance/test/moz.build
@@ -0,0 +1,8 @@
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+DIRS += [
+    "helpers",
+]
diff --git a/devtools/client/performance/test/xpcshell/.eslintrc.js b/devtools/client/performance/test/xpcshell/.eslintrc.js
new file mode 100644
index 0000000000..7f6b62a9e5
--- /dev/null
+++ b/devtools/client/performance/test/xpcshell/.eslintrc.js
@@ -0,0 +1,6 @@
+"use strict";
+
+module.exports = {
+  // Extend from the shared list of defined globals for mochitests.
+  extends: "../../../../.eslintrc.xpcshell.js",
+};
diff --git a/devtools/client/performance/test/xpcshell/head.js b/devtools/client/performance/test/xpcshell/head.js
new file mode 100644
index 0000000000..7b684c67d7
--- /dev/null
+++ b/devtools/client/performance/test/xpcshell/head.js
@@ -0,0 +1,44 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+/* exported Cc, Ci, Cu, Cr, Services, console, PLATFORM_DATA_PREF, getFrameNodePath,
+   synthesizeProfileForTest */
+var { require } = ChromeUtils.import("resource://devtools/shared/Loader.jsm");
+var Services = require("Services");
+const RecordingUtils = require("devtools/shared/performance/recording-utils");
+const PLATFORM_DATA_PREF = "devtools.performance.ui.show-platform-data";
+
+/**
+ * Get a path in a FrameNode call tree.
+ */
+function getFrameNodePath(root, path) {
+  let calls = root.calls;
+  let foundNode;
+  for (const key of path.split(" > ")) {
+    foundNode = calls.find(node => node.key == key);
+    if (!foundNode) {
+      break;
+    }
+    calls = foundNode.calls;
+  }
+  return foundNode;
+}
+
+/**
+ * Synthesize a profile for testing.
+ */
+function synthesizeProfileForTest(samples) {
+  samples.unshift({
+    time: 0,
+    frames: [{ location: "(root)" }],
+  });
+
+  const uniqueStacks = new RecordingUtils.UniqueStacks();
+  return RecordingUtils.deflateThread(
+    {
+      samples: samples,
+      markers: [],
+    },
+    uniqueStacks
+  );
+}
diff --git a/devtools/client/performance/test/xpcshell/test_frame-utils-01.js b/devtools/client/performance/test/xpcshell/test_frame-utils-01.js
new file mode 100644
index 0000000000..3df04964e0
--- /dev/null
+++ b/devtools/client/performance/test/xpcshell/test_frame-utils-01.js
@@ -0,0 +1,293 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that frame-utils isContent and parseLocation work as intended
+ * when parsing over frames from the profiler.
+ */
+
+const CONTENT_LOCATIONS = [
+  "hello/<.world (https://foo/bar.js:123:987)",
+  "hello/<.world (http://foo/bar.js:123:987)",
+  "hello/<.world (http://foo/bar.js:123)",
+  "hello/<.world (http://foo/bar.js#baz:123:987)",
+  "hello/<.world (http://foo/bar.js?myquery=params&search=1:123:987)",
+  "hello/<.world (http://foo/#bar:123:987)",
+  "hello/<.world (http://foo/:123:987)",
+
+  // Test scripts with port numbers (bug 1164131)
+  "hello/<.world (http://localhost:8888/file.js:100:1)",
+  "hello/<.world (http://localhost:8888/file.js:100)",
+
+  // Eval
+  "hello/<.world (http://localhost:8888/file.js line 65 > eval:1)",
+
+  // Occurs when executing an inline script on a root html page with port
+  // (I've never seen it with a column number but check anyway) bug 1164131
+  "hello/<.world (http://localhost:8888/:1)",
+  "hello/<.world (http://localhost:8888/:100:50)",
+
+  // bug 1197636
+  'Native["arraycopy(blah)"] (http://localhost:8888/profiler.html:4)',
+  'Native["arraycopy(blah)"] (http://localhost:8888/profiler.html:4:5)',
+].map(argify);
+
+const CHROME_LOCATIONS = [
+  { location: "Startup::XRE_InitChildProcess", line: 456, column: 123 },
+  { location: "chrome://browser/content/content.js", line: 456, column: 123 },
+  "setTimeout_timer (resource://gre/foo.js:123:434)",
+  "hello/<.world (jar:file://Users/mcurie/Dev/jetpacks.js)",
+  "hello/<.world (resource://foo.js -> http://bar/baz.js:123:987)",
+  "EnterJIT",
+].map(argify);
+
+add_task(function() {
+  const {
+    computeIsContentAndCategory,
+    parseLocation,
+  } = require("devtools/client/performance/modules/logic/frame-utils");
+  const isContent = frame => {
+    computeIsContentAndCategory(frame);
+    return frame.isContent;
+  };
+
+  for (const frame of CONTENT_LOCATIONS) {
+    ok(
+      isContent.apply(null, frameify(frame)),
+      `${frame[0]} should be considered a content frame.`
+    );
+  }
+
+  for (const frame of CHROME_LOCATIONS) {
+    ok(
+      !isContent.apply(null, frameify(frame)),
+      `${frame[0]} should not be considered a content frame.`
+    );
+  }
+
+  // functionName, fileName, host, url, line, column
+  const FIELDS = [
+    "functionName",
+    "fileName",
+    "host",
+    "url",
+    "line",
+    "column",
+    "host",
+    "port",
+  ];
+
+  /* eslint-disable max-len */
+  const PARSED_CONTENT = [
+    [
+      "hello/<.world",
+      "bar.js",
+      "foo",
+      "https://foo/bar.js",
+      123,
+      987,
+      "foo",
+      null,
+    ],
+    [
+      "hello/<.world",
+      "bar.js",
+      "foo",
+      "http://foo/bar.js",
+      123,
+      987,
+      "foo",
+      null,
+    ],
+    [
+      "hello/<.world",
+      "bar.js",
+      "foo",
+      "http://foo/bar.js",
+      123,
+      null,
+      "foo",
+      null,
+    ],
+    [
+      "hello/<.world",
+      "bar.js",
+      "foo",
+      "http://foo/bar.js#baz",
+      123,
+      987,
+      "foo",
+      null,
+    ],
+    [
+      "hello/<.world",
+      "bar.js",
+      "foo",
+      "http://foo/bar.js?myquery=params&search=1",
+      123,
+      987,
+      "foo",
+      null,
+    ],
+    ["hello/<.world", "/", "foo", "http://foo/#bar", 123, 987, "foo", null],
+    ["hello/<.world", "/", "foo", "http://foo/", 123, 987, "foo", null],
+    [
+      "hello/<.world",
+      "file.js",
+      "localhost:8888",
+      "http://localhost:8888/file.js",
+      100,
+      1,
+      "localhost:8888",
+      8888,
+    ],
+    [
+      "hello/<.world",
+      "file.js",
+      "localhost:8888",
+      "http://localhost:8888/file.js",
+      100,
+      null,
+      "localhost:8888",
+      8888,
+    ],
+    [
+      "hello/<.world",
+      "file.js (eval:1)",
+      "localhost:8888",
+      "http://localhost:8888/file.js",
+      65,
+      null,
+      "localhost:8888",
+      8888,
+    ],
+    [
+      "hello/<.world",
+      "/",
+      "localhost:8888",
+      "http://localhost:8888/",
+      1,
+      null,
+      "localhost:8888",
+      8888,
+    ],
+    [
+      "hello/<.world",
+      "/",
+      "localhost:8888",
+      "http://localhost:8888/",
+      100,
+      50,
+      "localhost:8888",
+      8888,
+    ],
+    [
+      'Native["arraycopy(blah)"]',
+      "profiler.html",
+      "localhost:8888",
+      "http://localhost:8888/profiler.html",
+      4,
+      null,
+      "localhost:8888",
+      8888,
+    ],
+    [
+      'Native["arraycopy(blah)"]',
+      "profiler.html",
+      "localhost:8888",
+      "http://localhost:8888/profiler.html",
+      4,
+      5,
+      "localhost:8888",
+      8888,
+    ],
+  ];
+  /* eslint-enable max-len */
+
+  for (let i = 0; i < PARSED_CONTENT.length; i++) {
+    const parsed = parseLocation.apply(null, CONTENT_LOCATIONS[i]);
+    for (let j = 0; j < FIELDS.length; j++) {
+      equal(
+        parsed[FIELDS[j]],
+        PARSED_CONTENT[i][j],
+        `${CONTENT_LOCATIONS[i]} was parsed to correct ${FIELDS[j]}`
+      );
+    }
+  }
+
+  const PARSED_CHROME = [
+    ["Startup::XRE_InitChildProcess", null, null, null, 456, 123, null, null],
+    [
+      "chrome://browser/content/content.js",
+      null,
+      null,
+      null,
+      456,
+      123,
+      null,
+      null,
+    ],
+    [
+      "setTimeout_timer",
+      "foo.js",
+      null,
+      "resource://gre/foo.js",
+      123,
+      434,
+      null,
+      null,
+    ],
+    [
+      "hello/<.world (jar:file://Users/mcurie/Dev/jetpacks.js)",
+      null,
+      null,
+      null,
+      null,
+      null,
+      null,
+      null,
+    ],
+    [
+      "hello/<.world",
+      "baz.js",
+      "bar",
+      "http://bar/baz.js",
+      123,
+      987,
+      "bar",
+      null,
+    ],
+    ["EnterJIT", null, null, null, null, null, null, null],
+  ];
+
+  for (let i = 0; i < PARSED_CHROME.length; i++) {
+    const parsed = parseLocation.apply(null, CHROME_LOCATIONS[i]);
+    for (let j = 0; j < FIELDS.length; j++) {
+      equal(
+        parsed[FIELDS[j]],
+        PARSED_CHROME[i][j],
+        `${CHROME_LOCATIONS[i]} was parsed to correct ${FIELDS[j]}`
+      );
+    }
+  }
+});
+
+/**
+ * Takes either a string or an object and turns it into an array that
+ * parseLocation.apply expects.
+ */
+function argify(val) {
+  if (typeof val === "string") {
+    return [val];
+  }
+  return [val.location, val.line, val.column];
+}
+
+/**
+ * Takes the result of argify and turns it into an array that can be passed to
+ * isContent.apply.
+ */
+function frameify(val) {
+  return [{ location: val[0] }];
+}
diff --git a/devtools/client/performance/test/xpcshell/test_frame-utils-02.js b/devtools/client/performance/test/xpcshell/test_frame-utils-02.js
new file mode 100644
index 0000000000..9d607c4046
--- /dev/null
+++ b/devtools/client/performance/test/xpcshell/test_frame-utils-02.js
@@ -0,0 +1,87 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests the function testing whether or not a frame is content or chrome
+ * works properly.
+ */
+
+add_task(function() {
+  const FrameUtils = require("devtools/client/performance/modules/logic/frame-utils");
+
+  const isContent = frame => {
+    FrameUtils.computeIsContentAndCategory(frame);
+    return frame.isContent;
+  };
+
+  ok(
+    isContent({ location: "http://foo" }),
+    "Verifying content/chrome frames is working properly."
+  );
+  ok(
+    isContent({ location: "https://foo" }),
+    "Verifying content/chrome frames is working properly."
+  );
+  ok(
+    isContent({ location: "file://foo" }),
+    "Verifying content/chrome frames is working properly."
+  );
+
+  ok(
+    !isContent({ location: "chrome://foo" }),
+    "Verifying content/chrome frames is working properly."
+  );
+  ok(
+    !isContent({ location: "resource://foo" }),
+    "Verifying content/chrome frames is working properly."
+  );
+
+  ok(
+    !isContent({ location: "chrome://foo -> http://bar" }),
+    "Verifying content/chrome frames is working properly."
+  );
+  ok(
+    !isContent({ location: "chrome://foo -> https://bar" }),
+    "Verifying content/chrome frames is working properly."
+  );
+  ok(
+    !isContent({ location: "chrome://foo -> file://bar" }),
+    "Verifying content/chrome frames is working properly."
+  );
+
+  ok(
+    !isContent({ location: "resource://foo -> http://bar" }),
+    "Verifying content/chrome frames is working properly."
+  );
+  ok(
+    !isContent({ location: "resource://foo -> https://bar" }),
+    "Verifying content/chrome frames is working properly."
+  );
+  ok(
+    !isContent({ location: "resource://foo -> file://bar" }),
+    "Verifying content/chrome frames is working properly."
+  );
+
+  ok(
+    !isContent({ category: 1, location: "chrome://foo" }),
+    "Verifying content/chrome frames is working properly."
+  );
+  ok(
+    !isContent({ category: 1, location: "resource://foo" }),
+    "Verifying content/chrome frames is working properly."
+  );
+
+  ok(
+    isContent({ category: 1, location: "file://foo -> http://bar" }),
+    "Verifying content/chrome frames is working properly."
+  );
+  ok(
+    isContent({ category: 1, location: "file://foo -> https://bar" }),
+    "Verifying content/chrome frames is working properly."
+  );
+  ok(
+    isContent({ category: 1, location: "file://foo -> file://bar" }),
+    "Verifying content/chrome frames is working properly."
+  );
+});
diff --git a/devtools/client/performance/test/xpcshell/test_jit-graph-data.js b/devtools/client/performance/test/xpcshell/test_jit-graph-data.js
new file mode 100644
index 0000000000..3f893cd8c3
--- /dev/null
+++ b/devtools/client/performance/test/xpcshell/test_jit-graph-data.js
@@ -0,0 +1,238 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Unit test for `createTierGraphDataFromFrameNode` function.
+ */
+
+const SAMPLE_COUNT = 1000;
+const RESOLUTION = 50;
+const TIME_PER_SAMPLE = 5;
+
+// Offset needed since ThreadNode requires the first sample to be strictly
+// greater than its start time. This lets us still have pretty numbers
+// in this test to keep it (more) simple, which it sorely needs.
+const TIME_OFFSET = 5;
+
+add_task(function test() {
+  const {
+    ThreadNode,
+  } = require("devtools/client/performance/modules/logic/tree-model");
+  const {
+    createTierGraphDataFromFrameNode,
+  } = require("devtools/client/performance/modules/logic/jit");
+
+  // Select the second half of the set of samples
+  const startTime = (SAMPLE_COUNT / 2) * TIME_PER_SAMPLE - TIME_OFFSET;
+  const endTime = SAMPLE_COUNT * TIME_PER_SAMPLE - TIME_OFFSET;
+  const invertTree = true;
+
+  const root = new ThreadNode(gThread, { invertTree, startTime, endTime });
+
+  equal(root.samples, SAMPLE_COUNT / 2, "root has correct amount of samples");
+  equal(
+    root.sampleTimes.length,
+    SAMPLE_COUNT / 2,
+    "root has correct amount of sample times"
+  );
+  // Add time offset since the first sample begins TIME_OFFSET after startTime
+  equal(
+    root.sampleTimes[0],
+    startTime + TIME_OFFSET,
+    "root recorded first sample time in scope"
+  );
+  equal(
+    root.sampleTimes[root.sampleTimes.length - 1],
+    endTime,
+    "root recorded last sample time in scope"
+  );
+
+  const frame = getFrameNodePath(root, "X");
+  let data = createTierGraphDataFromFrameNode(
+    frame,
+    root.sampleTimes,
+    (endTime - startTime) / RESOLUTION
+  );
+
+  const TIME_PER_WINDOW = (SAMPLE_COUNT / 2 / RESOLUTION) * TIME_PER_SAMPLE;
+
+  // Filter out the dupes created with the same delta so the graph
+  // can render correctly.
+  const filteredData = [];
+  for (let i = 0; i < data.length; i++) {
+    if (!i || data[i].delta !== data[i - 1].delta) {
+      filteredData.push(data[i]);
+    }
+  }
+  data = filteredData;
+
+  for (let i = 0; i < 11; i++) {
+    equal(
+      data[i].delta,
+      startTime + TIME_OFFSET + TIME_PER_WINDOW * i,
+      "first window has correct x"
+    );
+    equal(data[i].values[0], 0.2, "first window has 2 frames in interpreter");
+    equal(data[i].values[1], 0.2, "first window has 2 frames in baseline");
+    equal(data[i].values[2], 0.2, "first window has 2 frames in ion");
+  }
+  // Start on 11, since i===10 is where the values change, and the new value (0,0,0)
+  // is removed in `filteredData`
+  for (let i = 11; i < 20; i++) {
+    equal(
+      data[i].delta,
+      startTime + TIME_OFFSET + TIME_PER_WINDOW * i,
+      "second window has correct x"
+    );
+    equal(data[i].values[0], 0, "second window observed no optimizations");
+    equal(data[i].values[1], 0, "second window observed no optimizations");
+    equal(data[i].values[2], 0, "second window observed no optimizations");
+  }
+  // Start on 21, since i===20 is where the values change, and the new value (0.3,0,0)
+  // is removed in `filteredData`
+  for (let i = 21; i < 30; i++) {
+    equal(
+      data[i].delta,
+      startTime + TIME_OFFSET + TIME_PER_WINDOW * i,
+      "third window has correct x"
+    );
+    equal(data[i].values[0], 0.3, "third window has 3 frames in interpreter");
+    equal(data[i].values[1], 0, "third window has 0 frames in baseline");
+    equal(data[i].values[2], 0, "third window has 0 frames in ion");
+  }
+});
+
+var gUniqueStacks = new RecordingUtils.UniqueStacks();
+
+function uniqStr(s) {
+  return gUniqueStacks.getOrAddStringIndex(s);
+}
+
+const TIER_PATTERNS = [
+  // 0-99
+  ["X_0", "X_0", "X_0", "X_0", "X_0", "X_0", "X_0", "X_0", "X_0", "X_0"],
+  // 100-199
+  ["X_0", "X_0", "X_0", "X_0", "X_0", "X_0", "X_0", "X_0", "X_0", "X_0"],
+  // 200-299
+  ["X_0", "X_0", "X_0", "X_0", "X_0", "X_0", "X_0", "X_0", "X_0", "X_0"],
+  // 300-399
+  ["X_0", "X_0", "X_0", "X_0", "X_0", "X_0", "X_0", "X_0", "X_0", "X_0"],
+  // 400-499
+  ["X_0", "X_0", "X_0", "X_0", "X_0", "X_0", "X_0", "X_0", "X_0", "X_0"],
+
+  // 500-599
+  // Test current frames in all opts
+  ["A", "A", "A", "A", "X_1", "X_2", "X_1", "X_2", "X_0", "X_0"],
+
+  // 600-699
+  // Nothing for current frame
+  ["A", "B", "A", "B", "A", "B", "A", "B", "A", "B"],
+
+  // 700-799
+  // A few frames where the frame is not the leaf node
+  ["X_2 -> Y", "X_2 -> Y", "X_2 -> Y", "X_0", "X_0", "X_0", "A", "A", "A", "A"],
+
+  // 800-899
+  ["X_0", "X_0", "X_0", "X_0", "X_0", "X_0", "X_0", "X_0", "X_0", "X_0"],
+  // 900-999
+  ["X_0", "X_0", "X_0", "X_0", "X_0", "X_0", "X_0", "X_0", "X_0", "X_0"],
+];
+
+function createSample(i, frames) {
+  const sample = {};
+  sample.time = i * TIME_PER_SAMPLE;
+  sample.frames = [{ location: "(root)" }];
+  if (i === 0) {
+    return sample;
+  }
+  if (frames) {
+    frames
+      .split(" -> ")
+      .forEach(frame => sample.frames.push({ location: frame }));
+  }
+  return sample;
+}
+
+var SAMPLES = (function() {
+  const samples = [];
+
+  for (let i = 0; i < SAMPLE_COUNT; ) {
+    const pattern = TIER_PATTERNS[Math.floor(i / 100)];
+    for (let j = 0; j < pattern.length; j++) {
+      samples.push(createSample(i + j, pattern[j]));
+    }
+    i += 10;
+  }
+
+  return samples;
+})();
+
+var gThread = RecordingUtils.deflateThread(
+  { samples: SAMPLES, markers: [] },
+  gUniqueStacks
+);
+
+var gRawSite1 = {
+  line: 12,
+  column: 2,
+  types: [
+    {
+      mirType: uniqStr("Object"),
+      site: uniqStr("B (http://foo/bar:10)"),
+      typeset: [
+        {
+          keyedBy: uniqStr("constructor"),
+          name: uniqStr("Foo"),
+          location: uniqStr("B (http://foo/bar:10)"),
+        },
+        {
+          keyedBy: uniqStr("primitive"),
+          location: uniqStr("self-hosted"),
+        },
+      ],
+    },
+  ],
+  attempts: {
+    schema: {
+      outcome: 0,
+      strategy: 1,
+    },
+    data: [
+      [uniqStr("Failure1"), uniqStr("SomeGetter1")],
+      [uniqStr("Failure2"), uniqStr("SomeGetter2")],
+      [uniqStr("Inlined"), uniqStr("SomeGetter3")],
+    ],
+  },
+};
+
+function serialize(x) {
+  return JSON.parse(JSON.stringify(x));
+}
+
+gThread.frameTable.data.forEach(frame => {
+  const LOCATION_SLOT = gThread.frameTable.schema.location;
+  const OPTIMIZATIONS_SLOT = gThread.frameTable.schema.optimizations;
+  const IMPLEMENTATION_SLOT = gThread.frameTable.schema.implementation;
+
+  const l = gThread.stringTable[frame[LOCATION_SLOT]];
+  switch (l) {
+    // Rename some of the location sites so we can register different
+    // frames with different opt sites
+    case "X_0":
+      frame[LOCATION_SLOT] = uniqStr("X");
+      frame[OPTIMIZATIONS_SLOT] = serialize(gRawSite1);
+      frame[IMPLEMENTATION_SLOT] = null;
+      break;
+    case "X_1":
+      frame[LOCATION_SLOT] = uniqStr("X");
+      frame[OPTIMIZATIONS_SLOT] = serialize(gRawSite1);
+      frame[IMPLEMENTATION_SLOT] = uniqStr("baseline");
+      break;
+    case "X_2":
+      frame[LOCATION_SLOT] = uniqStr("X");
+      frame[OPTIMIZATIONS_SLOT] = serialize(gRawSite1);
+      frame[IMPLEMENTATION_SLOT] = uniqStr("ion");
+      break;
+  }
+});
diff --git a/devtools/client/performance/test/xpcshell/test_jit-model-01.js b/devtools/client/performance/test/xpcshell/test_jit-model-01.js
new file mode 100644
index 0000000000..3dd4dad559
--- /dev/null
+++ b/devtools/client/performance/test/xpcshell/test_jit-model-01.js
@@ -0,0 +1,154 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that JITOptimizations track optimization sites and create
+ * an OptimizationSiteProfile when adding optimization sites, like from the
+ * FrameNode, and the returning of that data is as expected.
+ */
+
+add_task(function test() {
+  const {
+    JITOptimizations,
+  } = require("devtools/client/performance/modules/logic/jit");
+
+  const rawSites = [];
+  rawSites.push(gRawSite2);
+  rawSites.push(gRawSite2);
+  rawSites.push(gRawSite1);
+  rawSites.push(gRawSite1);
+  rawSites.push(gRawSite2);
+  rawSites.push(gRawSite3);
+
+  const jit = new JITOptimizations(rawSites, gStringTable.stringTable);
+  const sites = jit.optimizationSites;
+
+  const [first, second, third] = sites;
+
+  equal(first.id, 0, "site id is array index");
+  equal(
+    first.samples,
+    3,
+    "first OptimizationSiteProfile has correct sample count"
+  );
+  equal(
+    first.data.line,
+    34,
+    "includes OptimizationSite as reference under `data`"
+  );
+  equal(second.id, 1, "site id is array index");
+  equal(
+    second.samples,
+    2,
+    "second OptimizationSiteProfile has correct sample count"
+  );
+  equal(
+    second.data.line,
+    12,
+    "includes OptimizationSite as reference under `data`"
+  );
+  equal(third.id, 2, "site id is array index");
+  equal(
+    third.samples,
+    1,
+    "third OptimizationSiteProfile has correct sample count"
+  );
+  equal(
+    third.data.line,
+    78,
+    "includes OptimizationSite as reference under `data`"
+  );
+});
+
+var gStringTable = new RecordingUtils.UniqueStrings();
+
+function uniqStr(s) {
+  return gStringTable.getOrAddStringIndex(s);
+}
+
+var gRawSite1 = {
+  line: 12,
+  column: 2,
+  types: [
+    {
+      mirType: uniqStr("Object"),
+      site: uniqStr("A (http://foo/bar/bar:12)"),
+      typeset: [
+        {
+          keyedBy: uniqStr("constructor"),
+          name: uniqStr("Foo"),
+          location: uniqStr("A (http://foo/bar/baz:12)"),
+        },
+        {
+          keyedBy: uniqStr("primitive"),
+          location: uniqStr("self-hosted"),
+        },
+      ],
+    },
+  ],
+  attempts: {
+    schema: {
+      outcome: 0,
+      strategy: 1,
+    },
+    data: [
+      [uniqStr("Failure1"), uniqStr("SomeGetter1")],
+      [uniqStr("Failure2"), uniqStr("SomeGetter2")],
+      [uniqStr("Inlined"), uniqStr("SomeGetter3")],
+    ],
+  },
+};
+
+var gRawSite2 = {
+  line: 34,
+  types: [
+    {
+      mirType: uniqStr("Int32"),
+      site: uniqStr("Receiver"),
+    },
+  ],
+  attempts: {
+    schema: {
+      outcome: 0,
+      strategy: 1,
+    },
+    data: [
+      [uniqStr("Failure1"), uniqStr("SomeGetter1")],
+      [uniqStr("Failure2"), uniqStr("SomeGetter2")],
+      [uniqStr("Failure3"), uniqStr("SomeGetter3")],
+    ],
+  },
+};
+
+var gRawSite3 = {
+  line: 78,
+  types: [
+    {
+      mirType: uniqStr("Object"),
+      site: uniqStr("A (http://foo/bar/bar:12)"),
+      typeset: [
+        {
+          keyedBy: uniqStr("constructor"),
+          name: uniqStr("Foo"),
+          location: uniqStr("A (http://foo/bar/baz:12)"),
+        },
+        {
+          keyedBy: uniqStr("primitive"),
+          location: uniqStr("self-hosted"),
+        },
+      ],
+    },
+  ],
+  attempts: {
+    schema: {
+      outcome: 0,
+      strategy: 1,
+    },
+    data: [
+      [uniqStr("Failure1"), uniqStr("SomeGetter1")],
+      [uniqStr("Failure2"), uniqStr("SomeGetter2")],
+      [uniqStr("GenericSuccess"), uniqStr("SomeGetter3")],
+    ],
+  },
+};
diff --git a/devtools/client/performance/test/xpcshell/test_jit-model-02.js b/devtools/client/performance/test/xpcshell/test_jit-model-02.js
new file mode 100644
index 0000000000..3da3325c23
--- /dev/null
+++ b/devtools/client/performance/test/xpcshell/test_jit-model-02.js
@@ -0,0 +1,196 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that JITOptimizations create OptimizationSites, and the underlying
+ * hasSuccessfulOutcome/isSuccessfulOutcome work as intended.
+ */
+
+add_task(function test() {
+  const {
+    JITOptimizations,
+    hasSuccessfulOutcome,
+    isSuccessfulOutcome,
+    SUCCESSFUL_OUTCOMES,
+  } = require("devtools/client/performance/modules/logic/jit");
+
+  const rawSites = [];
+  rawSites.push(gRawSite2);
+  rawSites.push(gRawSite2);
+  rawSites.push(gRawSite1);
+  rawSites.push(gRawSite1);
+  rawSites.push(gRawSite2);
+  rawSites.push(gRawSite3);
+
+  const jit = new JITOptimizations(rawSites, gStringTable.stringTable);
+  const sites = jit.optimizationSites;
+
+  const [first, second, third] = sites;
+
+  /* hasSuccessfulOutcome */
+  equal(
+    hasSuccessfulOutcome(first),
+    false,
+    "hasSuccessfulOutcome() returns expected (1)"
+  );
+  equal(
+    hasSuccessfulOutcome(second),
+    true,
+    "hasSuccessfulOutcome() returns expected (2)"
+  );
+  equal(
+    hasSuccessfulOutcome(third),
+    true,
+    "hasSuccessfulOutcome() returns expected (3)"
+  );
+
+  /* .data.attempts */
+  equal(
+    first.data.attempts.length,
+    2,
+    "optSite.data.attempts has the correct amount of attempts (1)"
+  );
+  equal(
+    second.data.attempts.length,
+    5,
+    "optSite.data.attempts has the correct amount of attempts (2)"
+  );
+  equal(
+    third.data.attempts.length,
+    3,
+    "optSite.data.attempts has the correct amount of attempts (3)"
+  );
+
+  /* .data.types */
+  equal(
+    first.data.types.length,
+    1,
+    "optSite.data.types has the correct amount of IonTypes (1)"
+  );
+  equal(
+    second.data.types.length,
+    2,
+    "optSite.data.types has the correct amount of IonTypes (2)"
+  );
+  equal(
+    third.data.types.length,
+    1,
+    "optSite.data.types has the correct amount of IonTypes (3)"
+  );
+
+  /* isSuccessfulOutcome */
+  ok(
+    SUCCESSFUL_OUTCOMES.length,
+    "Have some successful outcomes in SUCCESSFUL_OUTCOMES"
+  );
+  SUCCESSFUL_OUTCOMES.forEach(outcome =>
+    ok(
+      isSuccessfulOutcome(outcome),
+      `${outcome} considered a successful outcome via isSuccessfulOutcome()`
+    )
+  );
+});
+
+var gStringTable = new RecordingUtils.UniqueStrings();
+
+function uniqStr(s) {
+  return gStringTable.getOrAddStringIndex(s);
+}
+
+var gRawSite1 = {
+  line: 12,
+  column: 2,
+  types: [
+    {
+      mirType: uniqStr("Object"),
+      site: uniqStr("A (http://foo/bar/bar:12)"),
+      typeset: [
+        {
+          keyedBy: uniqStr("constructor"),
+          name: uniqStr("Foo"),
+          location: uniqStr("A (http://foo/bar/baz:12)"),
+        },
+        {
+          keyedBy: uniqStr("constructor"),
+          location: uniqStr("A (http://foo/bar/baz:12)"),
+        },
+      ],
+    },
+    {
+      mirType: uniqStr("Int32"),
+      site: uniqStr("A (http://foo/bar/bar:12)"),
+      typeset: [
+        {
+          keyedBy: uniqStr("primitive"),
+          location: uniqStr("self-hosted"),
+        },
+      ],
+    },
+  ],
+  attempts: {
+    schema: {
+      outcome: 0,
+      strategy: 1,
+    },
+    data: [
+      [uniqStr("Failure1"), uniqStr("SomeGetter1")],
+      [uniqStr("Failure1"), uniqStr("SomeGetter1")],
+      [uniqStr("Failure1"), uniqStr("SomeGetter1")],
+      [uniqStr("Failure2"), uniqStr("SomeGetter2")],
+      [uniqStr("Inlined"), uniqStr("SomeGetter3")],
+    ],
+  },
+};
+
+var gRawSite2 = {
+  line: 34,
+  types: [
+    {
+      mirType: uniqStr("Int32"),
+      site: uniqStr("Receiver"),
+    },
+  ],
+  attempts: {
+    schema: {
+      outcome: 0,
+      strategy: 1,
+    },
+    data: [
+      [uniqStr("Failure1"), uniqStr("SomeGetter1")],
+      [uniqStr("Failure2"), uniqStr("SomeGetter2")],
+    ],
+  },
+};
+
+var gRawSite3 = {
+  line: 78,
+  types: [
+    {
+      mirType: uniqStr("Object"),
+      site: uniqStr("A (http://foo/bar/bar:12)"),
+      typeset: [
+        {
+          keyedBy: uniqStr("constructor"),
+          name: uniqStr("Foo"),
+          location: uniqStr("A (http://foo/bar/baz:12)"),
+        },
+        {
+          keyedBy: uniqStr("primitive"),
+          location: uniqStr("self-hosted"),
+        },
+      ],
+    },
+  ],
+  attempts: {
+    schema: {
+      outcome: 0,
+      strategy: 1,
+    },
+    data: [
+      [uniqStr("Failure1"), uniqStr("SomeGetter1")],
+      [uniqStr("Failure2"), uniqStr("SomeGetter2")],
+      [uniqStr("GenericSuccess"), uniqStr("SomeGetter3")],
+    ],
+  },
+};
diff --git a/devtools/client/performance/test/xpcshell/test_marker-blueprint.js b/devtools/client/performance/test/xpcshell/test_marker-blueprint.js
new file mode 100644
index 0000000000..986b8e399f
--- /dev/null
+++ b/devtools/client/performance/test/xpcshell/test_marker-blueprint.js
@@ -0,0 +1,34 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+/**
+ * Tests if the timeline blueprint has a correct structure.
+ */
+
+add_task(function() {
+  const {
+    TIMELINE_BLUEPRINT,
+  } = require("devtools/client/performance/modules/markers");
+
+  ok(TIMELINE_BLUEPRINT, "A timeline blueprint should be available.");
+
+  ok(
+    Object.keys(TIMELINE_BLUEPRINT).length,
+    "The timeline blueprint has at least one entry."
+  );
+
+  for (const value of Object.values(TIMELINE_BLUEPRINT)) {
+    ok(
+      "group" in value,
+      "Each entry in the timeline blueprint contains a `group` key."
+    );
+    ok(
+      "colorName" in value,
+      "Each entry in the timeline blueprint contains a `colorName` key."
+    );
+    ok(
+      "label" in value,
+      "Each entry in the timeline blueprint contains a `label` key."
+    );
+  }
+});
diff --git a/devtools/client/performance/test/xpcshell/test_marker-utils.js b/devtools/client/performance/test/xpcshell/test_marker-utils.js
new file mode 100644
index 0000000000..1feef709ac
--- /dev/null
+++ b/devtools/client/performance/test/xpcshell/test_marker-utils.js
@@ -0,0 +1,204 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests the marker utils methods.
+ */
+
+add_task(function() {
+  const {
+    TIMELINE_BLUEPRINT,
+  } = require("devtools/client/performance/modules/markers");
+  const { PREFS } = require("devtools/client/performance/modules/global");
+  const {
+    MarkerBlueprintUtils,
+  } = require("devtools/client/performance/modules/marker-blueprint-utils");
+
+  PREFS.registerObserver();
+
+  Services.prefs.setBoolPref(PLATFORM_DATA_PREF, false);
+
+  equal(
+    MarkerBlueprintUtils.getMarkerLabel({ name: "DOMEvent" }),
+    "DOM Event",
+    "getMarkerLabel() returns a simple label"
+  );
+  equal(
+    MarkerBlueprintUtils.getMarkerLabel({
+      name: "Javascript",
+      causeName: "setTimeout handler",
+    }),
+    "setTimeout",
+    "getMarkerLabel() returns a label defined via function"
+  );
+  equal(
+    MarkerBlueprintUtils.getMarkerLabel({
+      name: "GarbageCollection",
+      causeName: "ALLOC_TRIGGER",
+    }),
+    "Incremental GC",
+    "getMarkerLabel() returns a label for a function that is generalizable"
+  );
+
+  ok(
+    MarkerBlueprintUtils.getMarkerFields({ name: "Paint" }).length === 0,
+    "getMarkerFields() returns an empty array when no fields defined"
+  );
+
+  let fields = MarkerBlueprintUtils.getMarkerFields({
+    name: "ConsoleTime",
+    causeName: "snowstorm",
+  });
+  equal(
+    fields[0].label,
+    "Timer Name:",
+    "getMarkerFields() returns an array with proper label"
+  );
+  equal(
+    fields[0].value,
+    "snowstorm",
+    "getMarkerFields() returns an array with proper value"
+  );
+
+  fields = MarkerBlueprintUtils.getMarkerFields({
+    name: "DOMEvent",
+    type: "mouseclick",
+  });
+  equal(
+    fields.length,
+    1,
+    "getMarkerFields() ignores fields that are not found on marker"
+  );
+  equal(
+    fields[0].label,
+    "Event Type:",
+    "getMarkerFields() returns an array with proper label"
+  );
+  equal(
+    fields[0].value,
+    "mouseclick",
+    "getMarkerFields() returns an array with proper value"
+  );
+
+  fields = MarkerBlueprintUtils.getMarkerFields({
+    name: "DOMEvent",
+    eventPhase: Event.AT_TARGET,
+    type: "mouseclick",
+  });
+  equal(
+    fields.length,
+    2,
+    "getMarkerFields() returns multiple fields when using a fields function"
+  );
+  equal(
+    fields[0].label,
+    "Event Type:",
+    "getMarkerFields() correctly returns fields via function (1)"
+  );
+  equal(
+    fields[0].value,
+    "mouseclick",
+    "getMarkerFields() correctly returns fields via function (2)"
+  );
+  equal(
+    fields[1].label,
+    "Phase:",
+    "getMarkerFields() correctly returns fields via function (3)"
+  );
+  equal(
+    fields[1].value,
+    "Target",
+    "getMarkerFields() correctly returns fields via function (4)"
+  );
+
+  fields = MarkerBlueprintUtils.getMarkerFields({
+    name: "GarbageCollection",
+    causeName: "ALLOC_TRIGGER",
+  });
+  equal(fields[0].value, "Too Many Allocations", "Uses L10N for GC reasons");
+
+  fields = MarkerBlueprintUtils.getMarkerFields({
+    name: "GarbageCollection",
+    causeName: "NOT_A_GC_REASON",
+  });
+  equal(
+    fields[0].value,
+    "NOT_A_GC_REASON",
+    "Defaults to enum for GC reasons when not L10N'd"
+  );
+
+  equal(
+    MarkerBlueprintUtils.getMarkerFields({
+      name: "Javascript",
+      causeName: "Some Platform Field",
+    })[0].value,
+    "(Gecko)",
+    "Correctly obfuscates JS markers when platform data is off."
+  );
+  Services.prefs.setBoolPref(PLATFORM_DATA_PREF, true);
+  equal(
+    MarkerBlueprintUtils.getMarkerFields({
+      name: "Javascript",
+      causeName: "Some Platform Field",
+    })[0].value,
+    "Some Platform Field",
+    "Correctly deobfuscates JS markers when platform data is on."
+  );
+
+  equal(
+    MarkerBlueprintUtils.getMarkerGenericName("Javascript"),
+    "Function Call",
+    "getMarkerGenericName() returns correct string when defined via function"
+  );
+  equal(
+    MarkerBlueprintUtils.getMarkerGenericName("GarbageCollection"),
+    "Garbage Collection",
+    "getMarkerGenericName() returns correct string when defined via function"
+  );
+  equal(
+    MarkerBlueprintUtils.getMarkerGenericName("Reflow"),
+    "Layout",
+    "getMarkerGenericName() returns correct string when defined via string"
+  );
+
+  TIMELINE_BLUEPRINT.fakemarker = { group: 0 };
+  try {
+    MarkerBlueprintUtils.getMarkerGenericName("fakemarker");
+    ok(
+      false,
+      "getMarkerGenericName() should throw when no label on blueprint."
+    );
+  } catch (e) {
+    ok(true, "getMarkerGenericName() should throw when no label on blueprint.");
+  }
+
+  TIMELINE_BLUEPRINT.fakemarker = { group: 0, label: () => void 0 };
+  try {
+    MarkerBlueprintUtils.getMarkerGenericName("fakemarker");
+    ok(
+      false,
+      "getMarkerGenericName() should throw when label function returnd undefined."
+    );
+  } catch (e) {
+    ok(
+      true,
+      "getMarkerGenericName() should throw when label function returnd undefined."
+    );
+  }
+
+  delete TIMELINE_BLUEPRINT.fakemarker;
+
+  equal(
+    MarkerBlueprintUtils.getBlueprintFor({ name: "Reflow" }).label,
+    "Layout",
+    "getBlueprintFor() should return marker def for passed in marker."
+  );
+  equal(
+    MarkerBlueprintUtils.getBlueprintFor({ name: "Not sure!" }).label(),
+    "Unknown",
+    "getBlueprintFor() should return a default marker def if the marker is undefined."
+  );
+
+  PREFS.unregisterObserver();
+});
diff --git a/devtools/client/performance/test/xpcshell/test_perf-utils-allocations-to-samples.js b/devtools/client/performance/test/xpcshell/test_perf-utils-allocations-to-samples.js
new file mode 100644
index 0000000000..e1c2c145e8
--- /dev/null
+++ b/devtools/client/performance/test/xpcshell/test_perf-utils-allocations-to-samples.js
@@ -0,0 +1,90 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if allocations data received from the performance actor is properly
+ * converted to something that follows the same structure as the samples data
+ * received from the profiler.
+ */
+
+add_task(function() {
+  const {
+    getProfileThreadFromAllocations,
+  } = require("devtools/shared/performance/recording-utils");
+  const output = getProfileThreadFromAllocations(TEST_DATA);
+  equal(
+    JSON.stringify(output),
+    JSON.stringify(EXPECTED_OUTPUT),
+    "The output is correct."
+  );
+});
+
+var TEST_DATA = {
+  sites: [0, 0, 1, 2, 3],
+  timestamps: [50, 100, 150, 200, 250],
+  sizes: [0, 0, 100, 200, 300],
+  frames: [
+    null,
+    {
+      source: "A",
+      line: 1,
+      column: 2,
+      functionDisplayName: "x",
+      parent: 0,
+    },
+    {
+      source: "B",
+      line: 3,
+      column: 4,
+      functionDisplayName: "y",
+      parent: 1,
+    },
+    {
+      source: "C",
+      line: 5,
+      column: 6,
+      functionDisplayName: null,
+      parent: 2,
+    },
+  ],
+};
+
+var EXPECTED_OUTPUT = {
+  name: "allocations",
+  samples: {
+    schema: {
+      stack: 0,
+      time: 1,
+      size: 2,
+    },
+    data: [
+      [1, 150, 100],
+      [2, 200, 200],
+      [3, 250, 300],
+    ],
+  },
+  stackTable: {
+    schema: {
+      prefix: 0,
+      frame: 1,
+    },
+    data: [
+      null,
+      [null, 1], // x (A:1:2)
+      [1, 2], // x (A:1:2) > y (B:3:4)
+      [2, 3], // x (A:1:2) > y (B:3:4) > C:5:6
+    ],
+  },
+  frameTable: {
+    schema: {
+      location: 0,
+      implementation: 1,
+      optimizations: 2,
+      line: 3,
+      category: 4,
+    },
+    data: [null, [0], [1], [2]],
+  },
+  stringTable: ["x (A:1:2)", "y (B:3:4)", "C:5:6"],
+};
diff --git a/devtools/client/performance/test/xpcshell/test_profiler-categories.js b/devtools/client/performance/test/xpcshell/test_profiler-categories.js
new file mode 100644
index 0000000000..ae21efbae9
--- /dev/null
+++ b/devtools/client/performance/test/xpcshell/test_profiler-categories.js
@@ -0,0 +1,32 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if the profiler categories are mapped correctly.
+ */
+
+add_task(function() {
+  const {
+    CATEGORIES,
+  } = require("devtools/client/performance/modules/categories");
+  const { L10N } = require("devtools/client/performance/modules/global");
+  const count = CATEGORIES.length;
+
+  ok(count, "Should have a non-empty list of categories available.");
+
+  ok(
+    CATEGORIES.some(e => e.color),
+    "All categories have an associated color."
+  );
+
+  ok(
+    CATEGORIES.every(e => e.label),
+    "All categories have an associated label."
+  );
+
+  ok(
+    CATEGORIES.every(e => e.label === L10N.getStr("category." + e.abbrev)),
+    "All categories have a correctly localized label."
+  );
+});
diff --git a/devtools/client/performance/test/xpcshell/test_tree-model-01.js b/devtools/client/performance/test/xpcshell/test_tree-model-01.js
new file mode 100644
index 0000000000..2bb361496e
--- /dev/null
+++ b/devtools/client/performance/test/xpcshell/test_tree-model-01.js
@@ -0,0 +1,255 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if a call tree model can be correctly computed from a samples array.
+ */
+
+add_task(function test() {
+  const {
+    ThreadNode,
+  } = require("devtools/client/performance/modules/logic/tree-model");
+
+  // Create a root node from a given samples array.
+
+  const threadNode = new ThreadNode(gThread, { startTime: 0, endTime: 20 });
+  const root = getFrameNodePath(threadNode, "(root)");
+
+  // Test the root node.
+
+  equal(
+    threadNode.getInfo().nodeType,
+    "Thread",
+    "The correct node type was retrieved for the root node."
+  );
+
+  equal(
+    threadNode.duration,
+    20,
+    "The correct duration was calculated for the ThreadNode."
+  );
+  equal(
+    root.getInfo().functionName,
+    "(root)",
+    "The correct function name was retrieved for the root node."
+  );
+  equal(
+    root.getInfo().categoryData.abbrev,
+    "other",
+    "The correct empty category data was retrieved for the root node."
+  );
+
+  equal(
+    root.calls.length,
+    1,
+    "The correct number of child calls were calculated for the root node."
+  );
+  ok(
+    getFrameNodePath(root, "A"),
+    "The root node's only child call is correct."
+  );
+
+  // Test all the descendant nodes.
+
+  equal(
+    getFrameNodePath(root, "A").calls.length,
+    2,
+    "The correct number of child calls were calculated for the 'A' node."
+  );
+  ok(getFrameNodePath(root, "A > B"), "The 'A' node has a 'B' child call.");
+  ok(getFrameNodePath(root, "A > E"), "The 'A' node has a 'E' child call.");
+
+  equal(
+    getFrameNodePath(root, "A > B").calls.length,
+    2,
+    "The correct number of child calls were calculated for the 'A > B' node."
+  );
+  ok(
+    getFrameNodePath(root, "A > B > C"),
+    "The 'A > B' node has a 'C' child call."
+  );
+  ok(
+    getFrameNodePath(root, "A > B > D"),
+    "The 'A > B' node has a 'D' child call."
+  );
+
+  equal(
+    getFrameNodePath(root, "A > E").calls.length,
+    1,
+    "The correct number of child calls were calculated for the 'A > E' node."
+  );
+  ok(
+    getFrameNodePath(root, "A > E > F"),
+    "The 'A > E' node has a 'F' child call."
+  );
+
+  equal(
+    getFrameNodePath(root, "A > B > C").calls.length,
+    1,
+    "The correct number of child calls were calculated for the 'A > B > C' node."
+  );
+  ok(
+    getFrameNodePath(root, "A > B > C > D"),
+    "The 'A > B > C' node has a 'D' child call."
+  );
+
+  equal(
+    getFrameNodePath(root, "A > B > C > D").calls.length,
+    1,
+    "The correct number of child calls were calculated for the 'A > B > C > D' node."
+  );
+  ok(
+    getFrameNodePath(root, "A > B > C > D > E"),
+    "The 'A > B > C > D' node has a 'E' child call."
+  );
+
+  equal(
+    getFrameNodePath(root, "A > B > C > D > E").calls.length,
+    1,
+    "The correct number of child calls were calculated for the 'A > B > C > D > E' " +
+      "node."
+  );
+  ok(
+    getFrameNodePath(root, "A > B > C > D > E > F"),
+    "The 'A > B > C > D > E' node has a 'F' child call."
+  );
+
+  equal(
+    getFrameNodePath(root, "A > B > C > D > E > F").calls.length,
+    1,
+    "The correct number of child calls were calculated for the 'A > B > C > D > E > F' " +
+      "node."
+  );
+  ok(
+    getFrameNodePath(root, "A > B > C > D > E > F > G"),
+    "The 'A > B > C > D > E > F' node has a 'G' child call."
+  );
+
+  equal(
+    getFrameNodePath(root, "A > B > C > D > E > F > G").calls.length,
+    0,
+    "The correct number of child calls were calculated for the " +
+      "'A > B > C > D > E > F > G' node."
+  );
+  equal(
+    getFrameNodePath(root, "A > B > D").calls.length,
+    0,
+    "The correct number of child calls were calculated for the 'A > B > D' node."
+  );
+  equal(
+    getFrameNodePath(root, "A > E > F").calls.length,
+    0,
+    "The correct number of child calls were calculated for the 'A > E > F' node."
+  );
+
+  // Check the location, sample times, and samples of the root.
+
+  equal(
+    getFrameNodePath(root, "A").location,
+    "A",
+    "The 'A' node has the correct location."
+  );
+  equal(
+    getFrameNodePath(root, "A").youngestFrameSamples,
+    0,
+    "The 'A' has correct `youngestFrameSamples`"
+  );
+  equal(
+    getFrameNodePath(root, "A").samples,
+    4,
+    "The 'A' has correct `samples`"
+  );
+
+  // A frame that is both a leaf and caught in another stack
+  equal(
+    getFrameNodePath(root, "A > B > C").youngestFrameSamples,
+    1,
+    "The 'A > B > C' has correct `youngestFrameSamples`"
+  );
+  equal(
+    getFrameNodePath(root, "A > B > C").samples,
+    2,
+    "The 'A > B > C' has correct `samples`"
+  );
+
+  // ...and the rightmost leaf.
+
+  equal(
+    getFrameNodePath(root, "A > E > F").location,
+    "F",
+    "The 'A > E > F' node has the correct location."
+  );
+  equal(
+    getFrameNodePath(root, "A > E > F").samples,
+    1,
+    "The 'A > E > F' node has the correct number of samples."
+  );
+  equal(
+    getFrameNodePath(root, "A > E > F").youngestFrameSamples,
+    1,
+    "The 'A > E > F' node has the correct number of youngestFrameSamples."
+  );
+
+  // ...and the leftmost leaf.
+
+  equal(
+    getFrameNodePath(root, "A > B > C > D > E > F > G").location,
+    "G",
+    "The 'A > B > C > D > E > F > G' node has the correct location."
+  );
+  equal(
+    getFrameNodePath(root, "A > B > C > D > E > F > G").samples,
+    1,
+    "The 'A > B > C > D > E > F > G' node has the correct number of samples."
+  );
+  equal(
+    getFrameNodePath(root, "A > B > C > D > E > F > G").youngestFrameSamples,
+    1,
+    "The 'A > B > C > D > E > F > G' node has the correct number of " +
+      "youngestFrameSamples."
+  );
+});
+
+var gThread = synthesizeProfileForTest([
+  {
+    time: 5,
+    frames: [
+      { location: "(root)" },
+      { location: "A" },
+      { location: "B" },
+      { location: "C" },
+    ],
+  },
+  {
+    time: 5 + 6,
+    frames: [
+      { location: "(root)" },
+      { location: "A" },
+      { location: "B" },
+      { location: "D" },
+    ],
+  },
+  {
+    time: 5 + 6 + 7,
+    frames: [
+      { location: "(root)" },
+      { location: "A" },
+      { location: "E" },
+      { location: "F" },
+    ],
+  },
+  {
+    time: 20,
+    frames: [
+      { location: "(root)" },
+      { location: "A" },
+      { location: "B" },
+      { location: "C" },
+      { location: "D" },
+      { location: "E" },
+      { location: "F" },
+      { location: "G" },
+    ],
+  },
+]);
diff --git a/devtools/client/performance/test/xpcshell/test_tree-model-02.js b/devtools/client/performance/test/xpcshell/test_tree-model-02.js
new file mode 100644
index 0000000000..91baca393a
--- /dev/null
+++ b/devtools/client/performance/test/xpcshell/test_tree-model-02.js
@@ -0,0 +1,84 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if a call tree model ignores samples with no timing information.
+ */
+
+add_task(function test() {
+  const {
+    ThreadNode,
+  } = require("devtools/client/performance/modules/logic/tree-model");
+
+  // Create a root node from a given samples array.
+
+  const thread = new ThreadNode(gThread, { startTime: 0, endTime: 10 });
+  const root = getFrameNodePath(thread, "(root)");
+
+  // Test the ThreadNode, only node with a duration.
+  equal(
+    thread.duration,
+    10,
+    "The correct duration was calculated for the ThreadNode."
+  );
+
+  equal(
+    root.calls.length,
+    1,
+    "The correct number of child calls were calculated for the root node."
+  );
+  ok(
+    getFrameNodePath(root, "A"),
+    "The root node's only child call is correct."
+  );
+
+  // Test all the descendant nodes.
+
+  equal(
+    getFrameNodePath(root, "A").calls.length,
+    1,
+    "The correct number of child calls were calculated for the 'A' node."
+  );
+  ok(
+    getFrameNodePath(root, "A > B"),
+    "The 'A' node's only child call is correct."
+  );
+
+  equal(
+    getFrameNodePath(root, "A > B").calls.length,
+    1,
+    "The correct number of child calls were calculated for the 'A > B' node."
+  );
+  ok(
+    getFrameNodePath(root, "A > B > C"),
+    "The 'A > B' node's only child call is correct."
+  );
+
+  equal(
+    getFrameNodePath(root, "A > B > C").calls.length,
+    0,
+    "The correct number of child calls were calculated for the 'A > B > C' node."
+  );
+});
+
+var gThread = synthesizeProfileForTest([
+  {
+    time: 5,
+    frames: [
+      { location: "(root)" },
+      { location: "A" },
+      { location: "B" },
+      { location: "C" },
+    ],
+  },
+  {
+    time: null,
+    frames: [
+      { location: "(root)" },
+      { location: "A" },
+      { location: "B" },
+      { location: "D" },
+    ],
+  },
+]);
diff --git a/devtools/client/performance/test/xpcshell/test_tree-model-03.js b/devtools/client/performance/test/xpcshell/test_tree-model-03.js
new file mode 100644
index 0000000000..6fb09e5ff2
--- /dev/null
+++ b/devtools/client/performance/test/xpcshell/test_tree-model-03.js
@@ -0,0 +1,123 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if a call tree model can be correctly computed from a samples array,
+ * while at the same time filtering by duration.
+ */
+
+add_task(function test() {
+  const {
+    ThreadNode,
+  } = require("devtools/client/performance/modules/logic/tree-model");
+
+  // Create a root node from a given samples array, filtering by time.
+  //
+  // Filtering from 5 to 18 includes the 2nd and 3rd samples. The 2nd sample
+  // starts exactly on 5 and ends at 11. The 3rd sample starts at 11 and ends
+  // exactly at 18.
+  const startTime = 5;
+  const endTime = 18;
+  const thread = new ThreadNode(gThread, { startTime, endTime });
+  const root = getFrameNodePath(thread, "(root)");
+
+  // Test the root node.
+
+  equal(
+    thread.duration,
+    endTime - startTime,
+    "The correct duration was calculated for the ThreadNode."
+  );
+
+  equal(
+    root.calls.length,
+    1,
+    "The correct number of child calls were calculated for the root node."
+  );
+  ok(
+    getFrameNodePath(root, "A"),
+    "The root node's only child call is correct."
+  );
+
+  // Test all the descendant nodes.
+
+  equal(
+    getFrameNodePath(root, "A").calls.length,
+    2,
+    "The correct number of child calls were calculated for the 'A' node."
+  );
+  ok(getFrameNodePath(root, "A > B"), "The 'A' node has a 'B' child call.");
+  ok(getFrameNodePath(root, "A > E"), "The 'A' node has a 'E' child call.");
+
+  equal(
+    getFrameNodePath(root, "A > B").calls.length,
+    1,
+    "The correct number of child calls were calculated for the 'A > B' node."
+  );
+  ok(
+    getFrameNodePath(root, "A > B > D"),
+    "The 'A > B' node's only child call is correct."
+  );
+
+  equal(
+    getFrameNodePath(root, "A > E").calls.length,
+    1,
+    "The correct number of child calls were calculated for the 'A > E' node."
+  );
+  ok(
+    getFrameNodePath(root, "A > E > F"),
+    "The 'A > E' node's only child call is correct."
+  );
+
+  equal(
+    getFrameNodePath(root, "A > B > D").calls.length,
+    0,
+    "The correct number of child calls were calculated for the 'A > B > D' node."
+  );
+  equal(
+    getFrameNodePath(root, "A > E > F").calls.length,
+    0,
+    "The correct number of child calls were calculated for the 'A > E > F' node."
+  );
+});
+
+var gThread = synthesizeProfileForTest([
+  {
+    time: 5,
+    frames: [
+      { location: "(root)" },
+      { location: "A" },
+      { location: "B" },
+      { location: "C" },
+    ],
+  },
+  {
+    time: 5 + 6,
+    frames: [
+      { location: "(root)" },
+      { location: "A" },
+      { location: "B" },
+      { location: "D" },
+    ],
+  },
+  {
+    time: 5 + 6 + 7,
+    frames: [
+      { location: "(root)" },
+      { location: "A" },
+      { location: "E" },
+      { location: "F" },
+    ],
+  },
+  {
+    time: 5 + 6 + 7 + 8,
+    frames: [
+      { location: "(root)" },
+      { location: "A" },
+      { location: "B" },
+      { location: "C" },
+      { location: "D" },
+    ],
+  },
+]);
diff --git a/devtools/client/performance/test/xpcshell/test_tree-model-04.js b/devtools/client/performance/test/xpcshell/test_tree-model-04.js
new file mode 100644
index 0000000000..a89dcac86f
--- /dev/null
+++ b/devtools/client/performance/test/xpcshell/test_tree-model-04.js
@@ -0,0 +1,126 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if a call tree model can be correctly computed from a samples array,
+ * while at the same time filtering by duration and content-only frames.
+ */
+
+add_task(function test() {
+  const {
+    ThreadNode,
+  } = require("devtools/client/performance/modules/logic/tree-model");
+
+  // Create a root node from a given samples array, filtering by time.
+
+  const startTime = 5;
+  const endTime = 18;
+  const thread = new ThreadNode(gThread, {
+    startTime,
+    endTime,
+    contentOnly: true,
+  });
+  const root = getFrameNodePath(thread, "(root)");
+
+  // Test the ThreadNode, only node which should have duration
+  equal(
+    thread.duration,
+    endTime - startTime,
+    "The correct duration was calculated for the root ThreadNode."
+  );
+
+  equal(
+    root.calls.length,
+    2,
+    "The correct number of child calls were calculated for the root node."
+  );
+  ok(
+    getFrameNodePath(root, "http://D"),
+    "The root has a 'http://D' child call."
+  );
+  ok(
+    getFrameNodePath(root, "http://A"),
+    "The root has a 'http://A' child call."
+  );
+
+  // Test all the descendant nodes.
+
+  equal(
+    getFrameNodePath(root, "http://A").calls.length,
+    1,
+    "The correct number of child calls were calculated for the 'http://A' node."
+  );
+  ok(
+    getFrameNodePath(root, "http://A > https://E"),
+    "The 'http://A' node's only child call is correct."
+  );
+
+  equal(
+    getFrameNodePath(root, "http://A > https://E").calls.length,
+    1,
+    "The correct number of child calls were calculated for the 'http://A > http://E' node."
+  );
+  ok(
+    getFrameNodePath(root, "http://A > https://E > file://F"),
+    "The 'http://A > https://E' node's only child call is correct."
+  );
+
+  equal(
+    getFrameNodePath(root, "http://A > https://E > file://F").calls.length,
+    1,
+    "The correct number of child calls were calculated for the 'http://A > https://E >> file://F' node."
+  );
+  ok(
+    getFrameNodePath(root, "http://A > https://E > file://F > app://H"),
+    "The 'http://A > https://E >> file://F' node's only child call is correct."
+  );
+
+  equal(
+    getFrameNodePath(root, "http://D").calls.length,
+    0,
+    "The correct number of child calls were calculated for the 'http://D' node."
+  );
+});
+
+var gThread = synthesizeProfileForTest([
+  {
+    time: 5,
+    frames: [
+      { location: "(root)" },
+      { location: "http://A" },
+      { location: "http://B" },
+      { location: "http://C" },
+    ],
+  },
+  {
+    time: 5 + 6,
+    frames: [
+      { location: "(root)" },
+      { location: "chrome://A" },
+      { location: "resource://B" },
+      { location: "jar:file://G" },
+      { location: "http://D" },
+    ],
+  },
+  {
+    time: 5 + 6 + 7,
+    frames: [
+      { location: "(root)" },
+      { location: "http://A" },
+      { location: "https://E" },
+      { location: "file://F" },
+      { location: "app://H" },
+    ],
+  },
+  {
+    time: 5 + 6 + 7 + 8,
+    frames: [
+      { location: "(root)" },
+      { location: "http://A" },
+      { location: "http://B" },
+      { location: "http://C" },
+      { location: "http://D" },
+    ],
+  },
+]);
diff --git a/devtools/client/performance/test/xpcshell/test_tree-model-05.js b/devtools/client/performance/test/xpcshell/test_tree-model-05.js
new file mode 100644
index 0000000000..6c5f538c3b
--- /dev/null
+++ b/devtools/client/performance/test/xpcshell/test_tree-model-05.js
@@ -0,0 +1,91 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if an inverted call tree model can be correctly computed from a samples
+ * array.
+ */
+
+var time = 1;
+
+var gThread = synthesizeProfileForTest([
+  {
+    time: time++,
+    frames: [
+      { location: "(root)" },
+      { location: "A" },
+      { location: "B" },
+      { location: "C" },
+    ],
+  },
+  {
+    time: time++,
+    frames: [
+      { location: "(root)" },
+      { location: "A" },
+      { location: "D" },
+      { location: "C" },
+    ],
+  },
+  {
+    time: time++,
+    frames: [
+      { location: "(root)" },
+      { location: "A" },
+      { location: "E" },
+      { location: "C" },
+    ],
+  },
+  {
+    time: time++,
+    frames: [
+      { location: "(root)" },
+      { location: "A" },
+      { location: "B" },
+      { location: "F" },
+    ],
+  },
+]);
+
+add_task(function test() {
+  const {
+    ThreadNode,
+  } = require("devtools/client/performance/modules/logic/tree-model");
+
+  const root = new ThreadNode(gThread, {
+    invertTree: true,
+    startTime: 0,
+    endTime: 4,
+  });
+
+  equal(
+    root.calls.length,
+    2,
+    "Should get the 2 youngest frames, not the 1 oldest frame"
+  );
+
+  const C = getFrameNodePath(root, "C");
+  ok(C, "Should have C as a child of the root.");
+
+  equal(C.calls.length, 3, "Should have 3 frames that called C.");
+  ok(getFrameNodePath(C, "B"), "B called C.");
+  ok(getFrameNodePath(C, "D"), "D called C.");
+  ok(getFrameNodePath(C, "E"), "E called C.");
+
+  equal(getFrameNodePath(C, "B").calls.length, 1);
+  ok(getFrameNodePath(C, "B > A"), "A called B called C");
+  equal(getFrameNodePath(C, "D").calls.length, 1);
+  ok(getFrameNodePath(C, "D > A"), "A called D called C");
+  equal(getFrameNodePath(C, "E").calls.length, 1);
+  ok(getFrameNodePath(C, "E > A"), "A called E called C");
+
+  const F = getFrameNodePath(root, "F");
+  ok(F, "Should have F as a child of the root.");
+
+  equal(F.calls.length, 1);
+  ok(getFrameNodePath(F, "B"), "B called F");
+
+  equal(getFrameNodePath(F, "B").calls.length, 1);
+  ok(getFrameNodePath(F, "B > A"), "A called B called F");
+});
diff --git a/devtools/client/performance/test/xpcshell/test_tree-model-06.js b/devtools/client/performance/test/xpcshell/test_tree-model-06.js
new file mode 100644
index 0000000000..9548ff0c8a
--- /dev/null
+++ b/devtools/client/performance/test/xpcshell/test_tree-model-06.js
@@ -0,0 +1,213 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that when constructing FrameNodes, if optimization data is available,
+ * the FrameNodes have the correct optimization data after iterating over samples,
+ * and only youngest frames capture optimization data.
+ */
+
+add_task(function test() {
+  const {
+    ThreadNode,
+  } = require("devtools/client/performance/modules/logic/tree-model");
+  const root = getFrameNodePath(
+    new ThreadNode(gThread, { startTime: 0, endTime: 30 }),
+    "(root)"
+  );
+
+  const A = getFrameNodePath(root, "A");
+  const B = getFrameNodePath(A, "B");
+  const C = getFrameNodePath(B, "C");
+  const Aopts = A.getOptimizations();
+  const Bopts = B.getOptimizations();
+  const Copts = C.getOptimizations();
+
+  ok(
+    !Aopts,
+    "A() was never youngest frame, so should not have optimization data"
+  );
+
+  equal(
+    Bopts.length,
+    2,
+    "B() only has optimization data when it was a youngest frame"
+  );
+
+  // Check a few properties on the OptimizationSites.
+  const optSitesObserved = new Set();
+  for (const opt of Bopts) {
+    if (opt.data.line === 12) {
+      equal(
+        opt.samples,
+        2,
+        "Correct amount of samples for B()'s first opt site"
+      );
+      equal(opt.data.attempts.length, 3, "First opt site has 3 attempts");
+      equal(
+        opt.data.attempts[0].strategy,
+        "SomeGetter1",
+        "inflated strategy name"
+      );
+      equal(opt.data.attempts[0].outcome, "Failure1", "inflated outcome name");
+      equal(
+        opt.data.types[0].typeset[0].keyedBy,
+        "constructor",
+        "inflates type info"
+      );
+      optSitesObserved.add("first");
+    } else {
+      equal(
+        opt.samples,
+        1,
+        "Correct amount of samples for B()'s second opt site"
+      );
+      optSitesObserved.add("second");
+    }
+  }
+
+  ok(optSitesObserved.has("first"), "first opt site for B() was checked");
+  ok(optSitesObserved.has("second"), "second opt site for B() was checked");
+
+  equal(Copts.length, 1, "C() always youngest frame, so has optimization data");
+});
+
+var gUniqueStacks = new RecordingUtils.UniqueStacks();
+
+function uniqStr(s) {
+  return gUniqueStacks.getOrAddStringIndex(s);
+}
+
+var gThread = RecordingUtils.deflateThread(
+  {
+    samples: [
+      {
+        time: 0,
+        frames: [{ location: "(root)" }],
+      },
+      {
+        time: 10,
+        frames: [
+          { location: "(root)" },
+          { location: "A" },
+          { location: "B_LEAF_1" },
+        ],
+      },
+      {
+        time: 15,
+        frames: [
+          { location: "(root)" },
+          { location: "A" },
+          { location: "B_NOTLEAF" },
+          { location: "C" },
+        ],
+      },
+      {
+        time: 20,
+        frames: [
+          { location: "(root)" },
+          { location: "A" },
+          { location: "B_LEAF_2" },
+        ],
+      },
+      {
+        time: 25,
+        frames: [
+          { location: "(root)" },
+          { location: "A" },
+          { location: "B_LEAF_2" },
+        ],
+      },
+    ],
+    markers: [],
+  },
+  gUniqueStacks
+);
+
+var gRawSite1 = {
+  line: 12,
+  column: 2,
+  types: [
+    {
+      mirType: uniqStr("Object"),
+      site: uniqStr("B (http://foo/bar:10)"),
+      typeset: [
+        {
+          keyedBy: uniqStr("constructor"),
+          name: uniqStr("Foo"),
+          location: uniqStr("B (http://foo/bar:10)"),
+        },
+        {
+          keyedBy: uniqStr("primitive"),
+          location: uniqStr("self-hosted"),
+        },
+      ],
+    },
+  ],
+  attempts: {
+    schema: {
+      outcome: 0,
+      strategy: 1,
+    },
+    data: [
+      [uniqStr("Failure1"), uniqStr("SomeGetter1")],
+      [uniqStr("Failure2"), uniqStr("SomeGetter2")],
+      [uniqStr("Inlined"), uniqStr("SomeGetter3")],
+    ],
+  },
+};
+
+var gRawSite2 = {
+  line: 22,
+  types: [
+    {
+      mirType: uniqStr("Int32"),
+      site: uniqStr("Receiver"),
+    },
+  ],
+  attempts: {
+    schema: {
+      outcome: 0,
+      strategy: 1,
+    },
+    data: [
+      [uniqStr("Failure1"), uniqStr("SomeGetter1")],
+      [uniqStr("Failure2"), uniqStr("SomeGetter2")],
+      [uniqStr("Failure3"), uniqStr("SomeGetter3")],
+    ],
+  },
+};
+
+function serialize(x) {
+  return JSON.parse(JSON.stringify(x));
+}
+
+gThread.frameTable.data.forEach(frame => {
+  const LOCATION_SLOT = gThread.frameTable.schema.location;
+  const OPTIMIZATIONS_SLOT = gThread.frameTable.schema.optimizations;
+
+  const l = gThread.stringTable[frame[LOCATION_SLOT]];
+  switch (l) {
+    case "A":
+      frame[OPTIMIZATIONS_SLOT] = serialize(gRawSite1);
+      break;
+    // Rename some of the location sites so we can register different
+    // frames with different opt sites
+    case "B_LEAF_1":
+      frame[OPTIMIZATIONS_SLOT] = serialize(gRawSite2);
+      frame[LOCATION_SLOT] = uniqStr("B");
+      break;
+    case "B_LEAF_2":
+      frame[OPTIMIZATIONS_SLOT] = serialize(gRawSite1);
+      frame[LOCATION_SLOT] = uniqStr("B");
+      break;
+    case "B_NOTLEAF":
+      frame[OPTIMIZATIONS_SLOT] = serialize(gRawSite1);
+      frame[LOCATION_SLOT] = uniqStr("B");
+      break;
+    case "C":
+      frame[OPTIMIZATIONS_SLOT] = serialize(gRawSite1);
+      break;
+  }
+});
diff --git a/devtools/client/performance/test/xpcshell/test_tree-model-07.js b/devtools/client/performance/test/xpcshell/test_tree-model-07.js
new file mode 100644
index 0000000000..899cde1988
--- /dev/null
+++ b/devtools/client/performance/test/xpcshell/test_tree-model-07.js
@@ -0,0 +1,133 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that when displaying only content nodes, platform nodes are generalized.
+ */
+
+var {
+  CATEGORY_INDEX,
+} = require("devtools/client/performance/modules/categories");
+
+add_task(function test() {
+  const {
+    ThreadNode,
+  } = require("devtools/client/performance/modules/logic/tree-model");
+  const url = n => `http://content/${n}`;
+
+  // Create a root node from a given samples array.
+
+  const root = getFrameNodePath(
+    new ThreadNode(gThread, { startTime: 5, endTime: 30, contentOnly: true }),
+    "(root)"
+  );
+
+  /*
+   * should have a tree like:
+   * root
+   *   - (JS)
+   *   - A
+   *     - (GC)
+   *     - B
+   *       - C
+   *       - D
+   *     - E
+   *       - F
+   *         - (JS)
+   */
+
+  // Test the root node.
+
+  equal(root.calls.length, 2, "root has 2 children");
+  ok(getFrameNodePath(root, url("A")), "root has content child");
+  ok(
+    getFrameNodePath(root, `${CATEGORY_INDEX("js")}`),
+    "root has platform generalized child"
+  );
+  equal(
+    getFrameNodePath(root, `${CATEGORY_INDEX("js")}`).calls.length,
+    0,
+    "platform generalized child is a leaf."
+  );
+
+  ok(
+    getFrameNodePath(root, `${url("A")} > ${CATEGORY_INDEX("gc")}`),
+    "A has platform generalized child of another type"
+  );
+  equal(
+    getFrameNodePath(root, `${url("A")} > ${CATEGORY_INDEX("gc")}`).calls
+      .length,
+    0,
+    "second generalized type is a leaf."
+  );
+
+  ok(
+    getFrameNodePath(
+      root,
+      `${url("A")} > ${url("E")} > ${url("F")} > ${CATEGORY_INDEX("js")}`
+    ),
+    "a second leaf of the first generalized type exists deep in the tree."
+  );
+  ok(
+    getFrameNodePath(root, `${url("A")} > ${CATEGORY_INDEX("gc")}`),
+    "A has platform generalized child of another type"
+  );
+
+  equal(
+    getFrameNodePath(root, `${CATEGORY_INDEX("js")}`).category,
+    getFrameNodePath(
+      root,
+      `${url("A")} > ${url("E")} > ${url("F")} > ${CATEGORY_INDEX("js")}`
+    ).category,
+    "generalized frames of same type are duplicated in top-down view"
+  );
+});
+
+var gThread = synthesizeProfileForTest([
+  {
+    time: 5,
+    frames: [
+      { location: "(root)" },
+      { location: "http://content/A" },
+      { location: "http://content/B" },
+      { location: "http://content/C" },
+    ],
+  },
+  {
+    time: 5 + 6,
+    frames: [
+      { location: "(root)" },
+      { location: "http://content/A" },
+      { location: "http://content/B" },
+      { location: "contentY", category: CATEGORY_INDEX("layout") },
+      { location: "http://content/D" },
+    ],
+  },
+  {
+    time: 5 + 6 + 7,
+    frames: [
+      { location: "(root)" },
+      { location: "http://content/A" },
+      { location: "contentY", category: CATEGORY_INDEX("layout") },
+      { location: "http://content/E" },
+      { location: "http://content/F" },
+      { location: "contentY", category: CATEGORY_INDEX("js") },
+    ],
+  },
+  {
+    time: 5 + 20,
+    frames: [
+      { location: "(root)" },
+      { location: "contentX", category: CATEGORY_INDEX("js") },
+    ],
+  },
+  {
+    time: 5 + 25,
+    frames: [
+      { location: "(root)" },
+      { location: "http://content/A" },
+      { location: "contentZ", category: CATEGORY_INDEX("gc") },
+    ],
+  },
+]);
diff --git a/devtools/client/performance/test/xpcshell/test_tree-model-08.js b/devtools/client/performance/test/xpcshell/test_tree-model-08.js
new file mode 100644
index 0000000000..075e9c265e
--- /dev/null
+++ b/devtools/client/performance/test/xpcshell/test_tree-model-08.js
@@ -0,0 +1,250 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Verifies if FrameNodes retain and parse their data appropriately.
+ */
+
+add_task(function test() {
+  const FrameUtils = require("devtools/client/performance/modules/logic/frame-utils");
+  const {
+    FrameNode,
+  } = require("devtools/client/performance/modules/logic/tree-model");
+  const {
+    CATEGORY_INDEX,
+  } = require("devtools/client/performance/modules/categories");
+  const compute = frame => {
+    FrameUtils.computeIsContentAndCategory(frame);
+    return frame;
+  };
+
+  const frames = [
+    new FrameNode(
+      "hello/<.world (http://foo/bar.js:123:987)",
+      compute({
+        location: "hello/<.world (http://foo/bar.js:123:987)",
+        line: 456,
+      }),
+      false
+    ),
+    new FrameNode(
+      "hello/<.world (http://foo/bar.js#baz:123:987)",
+      compute({
+        location: "hello/<.world (http://foo/bar.js#baz:123:987)",
+        line: 456,
+      }),
+      false
+    ),
+    new FrameNode(
+      "hello/<.world (http://foo/#bar:123:987)",
+      compute({
+        location: "hello/<.world (http://foo/#bar:123:987)",
+        line: 456,
+      }),
+      false
+    ),
+    new FrameNode(
+      "hello/<.world (http://foo/:123:987)",
+      compute({
+        location: "hello/<.world (http://foo/:123:987)",
+        line: 456,
+      }),
+      false
+    ),
+    new FrameNode(
+      "hello/<.world (resource://foo.js -> http://bar/baz.js:123:987)",
+      compute({
+        location:
+          "hello/<.world (resource://foo.js -> http://bar/baz.js:123:987)",
+        line: 456,
+      }),
+      false
+    ),
+    new FrameNode(
+      "Foo::Bar::Baz",
+      compute({
+        location: "Foo::Bar::Baz",
+        line: 456,
+        category: CATEGORY_INDEX("other"),
+      }),
+      false
+    ),
+    new FrameNode(
+      "EnterJIT",
+      compute({
+        location: "EnterJIT",
+      }),
+      false
+    ),
+    new FrameNode(
+      "chrome://browser/content/content.js",
+      compute({
+        location: "chrome://browser/content/content.js",
+        line: 456,
+        column: 123,
+      }),
+      false
+    ),
+    new FrameNode(
+      "hello/<.world (resource://gre/foo.js:123:434)",
+      compute({
+        location: "hello/<.world (resource://gre/foo.js:123:434)",
+        line: 456,
+      }),
+      false
+    ),
+    new FrameNode(
+      "main (http://localhost:8888/file.js:123:987)",
+      compute({
+        location: "main (http://localhost:8888/file.js:123:987)",
+        line: 123,
+      }),
+      false
+    ),
+    new FrameNode(
+      "main (resource://devtools/timeline.js:123)",
+      compute({
+        location: "main (resource://devtools/timeline.js:123)",
+      }),
+      false
+    ),
+  ];
+
+  const fields = [
+    "nodeType",
+    "functionName",
+    "fileName",
+    "host",
+    "url",
+    "line",
+    "column",
+    "categoryData.abbrev",
+    "isContent",
+    "port",
+  ];
+  const expected = [
+    // nodeType, functionName, fileName, host, url, line, column, categoryData.abbrev,
+    // isContent, port
+    [
+      "Frame",
+      "hello/<.world",
+      "bar.js",
+      "foo",
+      "http://foo/bar.js",
+      123,
+      987,
+      void 0,
+      true,
+    ],
+    [
+      "Frame",
+      "hello/<.world",
+      "bar.js",
+      "foo",
+      "http://foo/bar.js#baz",
+      123,
+      987,
+      void 0,
+      true,
+    ],
+    [
+      "Frame",
+      "hello/<.world",
+      "/",
+      "foo",
+      "http://foo/#bar",
+      123,
+      987,
+      void 0,
+      true,
+    ],
+    [
+      "Frame",
+      "hello/<.world",
+      "/",
+      "foo",
+      "http://foo/",
+      123,
+      987,
+      void 0,
+      true,
+    ],
+    [
+      "Frame",
+      "hello/<.world",
+      "baz.js",
+      "bar",
+      "http://bar/baz.js",
+      123,
+      987,
+      "other",
+      false,
+    ],
+    ["Frame", "Foo::Bar::Baz", null, null, null, 456, void 0, "other", false],
+    ["Frame", "EnterJIT", null, null, null, null, null, "js", false],
+    [
+      "Frame",
+      "chrome://browser/content/content.js",
+      null,
+      null,
+      null,
+      456,
+      null,
+      "other",
+      false,
+    ],
+    [
+      "Frame",
+      "hello/<.world",
+      "foo.js",
+      null,
+      "resource://gre/foo.js",
+      123,
+      434,
+      "other",
+      false,
+    ],
+    [
+      "Frame",
+      "main",
+      "file.js",
+      "localhost:8888",
+      "http://localhost:8888/file.js",
+      123,
+      987,
+      null,
+      true,
+      8888,
+    ],
+    [
+      "Frame",
+      "main",
+      "timeline.js",
+      null,
+      "resource://devtools/timeline.js",
+      123,
+      null,
+      "tools",
+      false,
+    ],
+  ];
+
+  for (let i = 0; i < frames.length; i++) {
+    const info = frames[i].getInfo();
+    const expect = expected[i];
+
+    for (let j = 0; j < fields.length; j++) {
+      const field = fields[j];
+      const value =
+        field === "categoryData.abbrev"
+          ? info.categoryData.abbrev
+          : info[field];
+      equal(
+        value,
+        expect[j],
+        `${field} for frame #${i} is correct: ${expect[j]}`
+      );
+    }
+  }
+});
diff --git a/devtools/client/performance/test/xpcshell/test_tree-model-09.js b/devtools/client/performance/test/xpcshell/test_tree-model-09.js
new file mode 100644
index 0000000000..393fbce50c
--- /dev/null
+++ b/devtools/client/performance/test/xpcshell/test_tree-model-09.js
@@ -0,0 +1,116 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that when displaying only content nodes, platform nodes are generalized.
+ */
+
+var {
+  CATEGORY_INDEX,
+} = require("devtools/client/performance/modules/categories");
+
+add_task(function test() {
+  const {
+    ThreadNode,
+  } = require("devtools/client/performance/modules/logic/tree-model");
+  const url = n => `http://content/${n}`;
+
+  // Create a root node from a given samples array.
+
+  const root = getFrameNodePath(
+    new ThreadNode(gThread, { startTime: 5, endTime: 25, contentOnly: true }),
+    "(root)"
+  );
+
+  /*
+   * should have a tree like:
+   * root
+   *   - (Tools)
+   *   - A
+   *     - B
+   *       - C
+   *       - D
+   *     - E
+   *       - F
+   *         - (Tools)
+   */
+
+  // Test the root node.
+
+  equal(root.calls.length, 2, "root has 2 children");
+  ok(getFrameNodePath(root, url("A")), "root has content child");
+  ok(
+    getFrameNodePath(root, `${CATEGORY_INDEX("tools")}`),
+    "root has platform generalized child from Chrome JS"
+  );
+  equal(
+    getFrameNodePath(root, `${CATEGORY_INDEX("tools")}`).calls.length,
+    0,
+    "platform generalized child is a leaf."
+  );
+
+  ok(
+    getFrameNodePath(
+      root,
+      `${url("A")} > ${url("E")} > ${url("F")} > ${CATEGORY_INDEX("tools")}`
+    ),
+    "a second leaf of the generalized Chrome JS exists."
+  );
+
+  equal(
+    getFrameNodePath(root, `${CATEGORY_INDEX("tools")}`).category,
+    getFrameNodePath(
+      root,
+      `${url("A")} > ${url("E")} > ${url("F")} > ${CATEGORY_INDEX("tools")}`
+    ).category,
+    "generalized frames of same type are duplicated in top-down view"
+  );
+});
+
+var gThread = synthesizeProfileForTest([
+  {
+    time: 5,
+    frames: [
+      { location: "(root)" },
+      { location: "http://content/A" },
+      { location: "http://content/B" },
+      { location: "http://content/C" },
+    ],
+  },
+  {
+    time: 5 + 6,
+    frames: [
+      { location: "(root)" },
+      { location: "http://content/A" },
+      { location: "http://content/B" },
+      {
+        location:
+          "fn (resource://loader.js -> resource://devtools/timeline.js)",
+      },
+      { location: "http://content/D" },
+    ],
+  },
+  {
+    time: 5 + 6 + 7,
+    frames: [
+      { location: "(root)" },
+      { location: "http://content/A" },
+      { location: "http://content/E" },
+      { location: "http://content/F" },
+      {
+        location: "fn (resource://loader.js -> resource://devtools/promise.js)",
+      },
+    ],
+  },
+  {
+    time: 5 + 20,
+    frames: [
+      { location: "(root)" },
+      {
+        location:
+          "somefn (resource://loader.js -> resource://devtools/framerate.js)",
+      },
+    ],
+  },
+]);
diff --git a/devtools/client/performance/test/xpcshell/test_tree-model-10.js b/devtools/client/performance/test/xpcshell/test_tree-model-10.js
new file mode 100644
index 0000000000..b928c99e4b
--- /dev/null
+++ b/devtools/client/performance/test/xpcshell/test_tree-model-10.js
@@ -0,0 +1,157 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the tree model calculates correct costs/percentages for
+ * frame nodes. The model-only version of browser_profiler-tree-view-10.js
+ */
+
+add_task(function() {
+  const {
+    ThreadNode,
+  } = require("devtools/client/performance/modules/logic/tree-model");
+  const thread = new ThreadNode(gThread, {
+    invertTree: true,
+    startTime: 0,
+    endTime: 50,
+  });
+
+  /**
+   * Samples
+   *
+   * A->C
+   * A->B
+   * A->B->C x4
+   * A->B->D x4
+   *
+   * Expected Tree
+   * +--total--+--self--+--tree-------------+
+   * |   50%   |   50%  |  C
+   * |   40%   |   0    |  -> B
+   * |   30%   |   0    |     -> A
+   * |   10%   |   0    |  -> A
+   *
+   * |   40%   |   40%  |  D
+   * |   40%   |   0    |  -> B
+   * |   40%   |   0    |     -> A
+   *
+   * |   10%   |   10%  |  B
+   * |   10%   |   0    |  -> A
+   */
+
+  [
+    // total, self, name
+    [
+      50,
+      50,
+      "C",
+      [
+        [40, 0, "B", [[30, 0, "A"]]],
+        [10, 0, "A"],
+      ],
+    ],
+    [40, 40, "D", [[40, 0, "B", [[40, 0, "A"]]]]],
+    [10, 10, "B", [[10, 0, "A"]]],
+  ].forEach(compareFrameInfo(thread));
+});
+
+function compareFrameInfo(root, parent) {
+  parent = parent || root;
+  return function(def) {
+    const [total, self, name, children] = def;
+    const node = getFrameNodePath(parent, name);
+    const data = node.getInfo({ root });
+    equal(
+      total,
+      data.totalPercentage,
+      `${name} has correct total percentage: ${data.totalPercentage}`
+    );
+    equal(
+      self,
+      data.selfPercentage,
+      `${name} has correct self percentage: ${data.selfPercentage}`
+    );
+    if (children) {
+      children.forEach(compareFrameInfo(root, node));
+    }
+  };
+}
+
+var gThread = synthesizeProfileForTest([
+  {
+    time: 5,
+    frames: [
+      { location: "(root)" },
+      { location: "A" },
+      { location: "B" },
+      { location: "C" },
+    ],
+  },
+  {
+    time: 10,
+    frames: [
+      { location: "(root)" },
+      { location: "A" },
+      { location: "B" },
+      { location: "D" },
+    ],
+  },
+  {
+    time: 15,
+    frames: [{ location: "(root)" }, { location: "A" }, { location: "C" }],
+  },
+  {
+    time: 20,
+    frames: [{ location: "(root)" }, { location: "A" }, { location: "B" }],
+  },
+  {
+    time: 25,
+    frames: [
+      { location: "(root)" },
+      { location: "A" },
+      { location: "B" },
+      { location: "C" },
+    ],
+  },
+  {
+    time: 30,
+    frames: [
+      { location: "(root)" },
+      { location: "A" },
+      { location: "B" },
+      { location: "C" },
+    ],
+  },
+  {
+    time: 35,
+    frames: [
+      { location: "(root)" },
+      { location: "A" },
+      { location: "B" },
+      { location: "D" },
+    ],
+  },
+  {
+    time: 40,
+    frames: [
+      { location: "(root)" },
+      { location: "A" },
+      { location: "B" },
+      { location: "D" },
+    ],
+  },
+  {
+    time: 45,
+    frames: [{ location: "(root)" }, { location: "B" }, { location: "C" }],
+  },
+  {
+    time: 50,
+    frames: [
+      { location: "(root)" },
+      { location: "A" },
+      { location: "B" },
+      { location: "D" },
+    ],
+  },
+]);
diff --git a/devtools/client/performance/test/xpcshell/test_tree-model-11.js b/devtools/client/performance/test/xpcshell/test_tree-model-11.js
new file mode 100644
index 0000000000..859637fbe5
--- /dev/null
+++ b/devtools/client/performance/test/xpcshell/test_tree-model-11.js
@@ -0,0 +1,92 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the costs for recursive frames does not overcount the collapsed
+ * samples.
+ */
+
+add_task(function() {
+  const {
+    ThreadNode,
+  } = require("devtools/client/performance/modules/logic/tree-model");
+  const thread = new ThreadNode(gThread, {
+    startTime: 0,
+    endTime: 50,
+    flattenRecursion: true,
+  });
+
+  /**
+   * Samples
+   *
+   * A->B->C
+   * A->B->B->B->C
+   * A->B
+   * A->B->B->B
+   */
+
+  [
+    // total, self, name
+    [100, 0, "(root)", [[100, 0, "A", [[100, 50, "B", [[50, 50, "C"]]]]]]],
+  ].forEach(compareFrameInfo(thread));
+});
+
+function compareFrameInfo(root, parent) {
+  parent = parent || root;
+  return function(def) {
+    const [total, self, name, children] = def;
+    const node = getFrameNodePath(parent, name);
+    const data = node.getInfo({ root });
+    equal(
+      total,
+      data.totalPercentage,
+      `${name} has correct total percentage: ${data.totalPercentage}`
+    );
+    equal(
+      self,
+      data.selfPercentage,
+      `${name} has correct self percentage: ${data.selfPercentage}`
+    );
+    if (children) {
+      children.forEach(compareFrameInfo(root, node));
+    }
+  };
+}
+
+var gThread = synthesizeProfileForTest([
+  {
+    time: 5,
+    frames: [
+      { location: "(root)" },
+      { location: "A" },
+      { location: "B" },
+      { location: "B" },
+      { location: "B" },
+      { location: "C" },
+    ],
+  },
+  {
+    time: 10,
+    frames: [
+      { location: "(root)" },
+      { location: "A" },
+      { location: "B" },
+      { location: "C" },
+    ],
+  },
+  {
+    time: 15,
+    frames: [
+      { location: "(root)" },
+      { location: "A" },
+      { location: "B" },
+      { location: "B" },
+      { location: "B" },
+    ],
+  },
+  {
+    time: 20,
+    frames: [{ location: "(root)" }, { location: "A" }, { location: "B" }],
+  },
+]);
diff --git a/devtools/client/performance/test/xpcshell/test_tree-model-12.js b/devtools/client/performance/test/xpcshell/test_tree-model-12.js
new file mode 100644
index 0000000000..9576970784
--- /dev/null
+++ b/devtools/client/performance/test/xpcshell/test_tree-model-12.js
@@ -0,0 +1,103 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+// Test that uninverting the call tree works correctly when there are stacks
+// in the profile that prefixes of other stacks.
+
+add_task(function() {
+  const {
+    ThreadNode,
+  } = require("devtools/client/performance/modules/logic/tree-model");
+  const thread = new ThreadNode(gThread, { startTime: 0, endTime: 50 });
+  const root = getFrameNodePath(thread, "(root)");
+
+  /**
+   * Samples
+   *
+   * A->B
+   * C->B
+   * B
+   * A
+   * Z->Y->X
+   * W->Y->X
+   * Y->X
+   */
+
+  equal(
+    getFrameNodePath(root, "A > B").youngestFrameSamples,
+    1,
+    "A > B has the correct self count"
+  );
+  equal(
+    getFrameNodePath(root, "C > B").youngestFrameSamples,
+    1,
+    "C > B has the correct self count"
+  );
+  equal(
+    getFrameNodePath(root, "B").youngestFrameSamples,
+    1,
+    "B has the correct self count"
+  );
+  equal(
+    getFrameNodePath(root, "A").youngestFrameSamples,
+    1,
+    "A has the correct self count"
+  );
+  equal(
+    getFrameNodePath(root, "Z > Y > X").youngestFrameSamples,
+    1,
+    "Z > Y > X has the correct self count"
+  );
+  equal(
+    getFrameNodePath(root, "W > Y > X").youngestFrameSamples,
+    1,
+    "W > Y > X has the correct self count"
+  );
+  equal(
+    getFrameNodePath(root, "Y > X").youngestFrameSamples,
+    1,
+    "Y > X has the correct self count"
+  );
+});
+
+var gThread = synthesizeProfileForTest([
+  {
+    time: 5,
+    frames: [{ location: "(root)" }, { location: "A" }, { location: "B" }],
+  },
+  {
+    time: 10,
+    frames: [{ location: "(root)" }, { location: "C" }, { location: "B" }],
+  },
+  {
+    time: 15,
+    frames: [{ location: "(root)" }, { location: "B" }],
+  },
+  {
+    time: 20,
+    frames: [{ location: "(root)" }, { location: "A" }],
+  },
+  {
+    time: 21,
+    frames: [
+      { location: "(root)" },
+      { location: "Z" },
+      { location: "Y" },
+      { location: "X" },
+    ],
+  },
+  {
+    time: 22,
+    frames: [
+      { location: "(root)" },
+      { location: "W" },
+      { location: "Y" },
+      { location: "X" },
+    ],
+  },
+  {
+    time: 23,
+    frames: [{ location: "(root)" }, { location: "Y" }, { location: "X" }],
+  },
+]);
diff --git a/devtools/client/performance/test/xpcshell/test_tree-model-13.js b/devtools/client/performance/test/xpcshell/test_tree-model-13.js
new file mode 100644
index 0000000000..0580d49956
--- /dev/null
+++ b/devtools/client/performance/test/xpcshell/test_tree-model-13.js
@@ -0,0 +1,90 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+// Like test_tree-model-12, but inverted.
+
+add_task(function() {
+  const {
+    ThreadNode,
+  } = require("devtools/client/performance/modules/logic/tree-model");
+  const root = new ThreadNode(gThread, {
+    invertTree: true,
+    startTime: 0,
+    endTime: 50,
+  });
+
+  /**
+   * Samples
+   *
+   * A->B
+   * C->B
+   * B
+   * A
+   * Z->Y->X
+   * W->Y->X
+   * Y->X
+   */
+
+  equal(
+    getFrameNodePath(root, "B").youngestFrameSamples,
+    3,
+    "B has the correct self count"
+  );
+  equal(
+    getFrameNodePath(root, "A").youngestFrameSamples,
+    1,
+    "A has the correct self count"
+  );
+  equal(
+    getFrameNodePath(root, "X").youngestFrameSamples,
+    3,
+    "X has the correct self count"
+  );
+  equal(
+    getFrameNodePath(root, "X > Y").samples,
+    3,
+    "X > Y has the correct total count"
+  );
+});
+
+var gThread = synthesizeProfileForTest([
+  {
+    time: 5,
+    frames: [{ location: "(root)" }, { location: "A" }, { location: "B" }],
+  },
+  {
+    time: 10,
+    frames: [{ location: "(root)" }, { location: "C" }, { location: "B" }],
+  },
+  {
+    time: 15,
+    frames: [{ location: "(root)" }, { location: "B" }],
+  },
+  {
+    time: 20,
+    frames: [{ location: "(root)" }, { location: "A" }],
+  },
+  {
+    time: 21,
+    frames: [
+      { location: "(root)" },
+      { location: "Z" },
+      { location: "Y" },
+      { location: "X" },
+    ],
+  },
+  {
+    time: 22,
+    frames: [
+      { location: "(root)" },
+      { location: "W" },
+      { location: "Y" },
+      { location: "X" },
+    ],
+  },
+  {
+    time: 23,
+    frames: [{ location: "(root)" }, { location: "Y" }, { location: "X" }],
+  },
+]);
diff --git a/devtools/client/performance/test/xpcshell/test_tree-model-allocations-01.js b/devtools/client/performance/test/xpcshell/test_tree-model-allocations-01.js
new file mode 100644
index 0000000000..cd4850dc97
--- /dev/null
+++ b/devtools/client/performance/test/xpcshell/test_tree-model-allocations-01.js
@@ -0,0 +1,131 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+/**
+ * Tests that the tree model calculates correct costs/percentages for
+ * allocation frame nodes.
+ */
+
+add_task(function() {
+  const {
+    ThreadNode,
+  } = require("devtools/client/performance/modules/logic/tree-model");
+  const {
+    getProfileThreadFromAllocations,
+  } = require("devtools/shared/performance/recording-utils");
+  const allocationData = getProfileThreadFromAllocations(TEST_DATA);
+  const thread = new ThreadNode(allocationData, {
+    startTime: 0,
+    endTime: 1000,
+  });
+
+  /* eslint-disable max-len */
+  /**
+   * Values are in order according to:
+   * +-------------+------------+-------------+-------------+------------------------------+
+   * | Self Bytes  | Self Count | Total Bytes | Total Count | Function                     |
+   * +-------------+------------+-------------+-------------+------------------------------+
+   * | 1790272 41% | 8307   17% | 1790372 42% | 8317    18% | V someFunc @ a.j:345:6       |
+   * |     100  1% | 10      1% |     100  1% |   10     1% |   > callerFunc @ b.j:765:34  |
+   * +-------------+------------+-------------+-------------+------------------------------+
+   */
+  /* eslint-enable max-len */
+  [
+    [
+      100,
+      10,
+      1,
+      33,
+      1000,
+      100,
+      3,
+      100,
+      "x (A:1:2)",
+      [
+        [
+          200,
+          20,
+          1,
+          33,
+          900,
+          90,
+          2,
+          66,
+          "y (B:3:4)",
+          [[700, 70, 1, 33, 700, 70, 1, 33, "z (C:5:6)"]],
+        ],
+      ],
+    ],
+  ].forEach(compareFrameInfo(thread));
+});
+
+function compareFrameInfo(root, parent) {
+  parent = parent || root;
+  const fields = [
+    "selfSize",
+    "selfSizePercentage",
+    "selfCount",
+    "selfCountPercentage",
+    "totalSize",
+    "totalSizePercentage",
+    "totalCount",
+    "totalCountPercentage",
+  ];
+  return function(def) {
+    let children;
+    if (Array.isArray(def[def.length - 1])) {
+      children = def.pop();
+    }
+    const name = def.pop();
+    const expected = def;
+
+    const node = getFrameNodePath(parent, name);
+    const data = node.getInfo({ root, allocations: true });
+
+    fields.forEach((field, i) => {
+      let actual = data[field];
+      if (/percentage/i.test(field)) {
+        actual = Number.parseInt(actual, 10);
+      }
+      equal(
+        actual,
+        expected[i],
+        `${name} has correct ${field}: ${expected[i]}`
+      );
+    });
+
+    if (children) {
+      children.forEach(compareFrameInfo(root, node));
+    }
+  };
+}
+
+var TEST_DATA = {
+  sites: [1, 2, 3],
+  timestamps: [150, 200, 250],
+  sizes: [100, 200, 700],
+  frames: [
+    null,
+    {
+      source: "A",
+      line: 1,
+      column: 2,
+      functionDisplayName: "x",
+      parent: 0,
+    },
+    {
+      source: "B",
+      line: 3,
+      column: 4,
+      functionDisplayName: "y",
+      parent: 1,
+    },
+    {
+      source: "C",
+      line: 5,
+      column: 6,
+      functionDisplayName: "z",
+      parent: 2,
+    },
+  ],
+};
diff --git a/devtools/client/performance/test/xpcshell/test_tree-model-allocations-02.js b/devtools/client/performance/test/xpcshell/test_tree-model-allocations-02.js
new file mode 100644
index 0000000000..ec7f71eb6b
--- /dev/null
+++ b/devtools/client/performance/test/xpcshell/test_tree-model-allocations-02.js
@@ -0,0 +1,151 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the tree model calculates correct costs/percentages for
+ * allocation frame nodes. Inverted version of test_tree-model-allocations-01.js
+ */
+
+add_task(function() {
+  const {
+    ThreadNode,
+  } = require("devtools/client/performance/modules/logic/tree-model");
+  const {
+    getProfileThreadFromAllocations,
+  } = require("devtools/shared/performance/recording-utils");
+  const allocationData = getProfileThreadFromAllocations(TEST_DATA);
+  const thread = new ThreadNode(allocationData, {
+    invertTree: true,
+    startTime: 0,
+    endTime: 1000,
+  });
+
+  /* eslint-disable max-len */
+  /**
+   * Values are in order according to:
+   * +-------------+------------+-------------+-------------+------------------------------+
+   * | Self Bytes  | Self Count | Total Bytes | Total Count | Function                     |
+   * +-------------+------------+-------------+-------------+------------------------------+
+   * | 1790272 41% | 8307   17% | 1790372 42% | 8317    18% | V someFunc @ a.j:345:6       |
+   * |     100  1% | 10      1% |     100  1% |   10     1% |   > callerFunc @ b.j:765:34  |
+   * +-------------+------------+-------------+-------------+------------------------------+
+   */
+  /* eslint-enable max-len */
+  [
+    [
+      700,
+      70,
+      1,
+      33,
+      700,
+      70,
+      1,
+      33,
+      "z (C:5:6)",
+      [
+        [
+          0,
+          0,
+          0,
+          0,
+          700,
+          70,
+          1,
+          33,
+          "y (B:3:4)",
+          [[0, 0, 0, 0, 700, 70, 1, 33, "x (A:1:2)"]],
+        ],
+      ],
+    ],
+    [
+      200,
+      20,
+      1,
+      33,
+      200,
+      20,
+      1,
+      33,
+      "y (B:3:4)",
+      [[0, 0, 0, 0, 200, 20, 1, 33, "x (A:1:2)"]],
+    ],
+    [100, 10, 1, 33, 100, 10, 1, 33, "x (A:1:2)"],
+  ].forEach(compareFrameInfo(thread));
+});
+
+function compareFrameInfo(root, parent) {
+  parent = parent || root;
+  const fields = [
+    "selfSize",
+    "selfSizePercentage",
+    "selfCount",
+    "selfCountPercentage",
+    "totalSize",
+    "totalSizePercentage",
+    "totalCount",
+    "totalCountPercentage",
+  ];
+
+  return function(def) {
+    let children;
+
+    if (Array.isArray(def[def.length - 1])) {
+      children = def.pop();
+    }
+
+    const name = def.pop();
+    const expected = def;
+
+    const node = getFrameNodePath(parent, name);
+    const data = node.getInfo({ root, allocations: true });
+
+    fields.forEach((field, i) => {
+      let actual = data[field];
+      if (/percentage/i.test(field)) {
+        actual = Number.parseInt(actual, 10);
+      }
+      equal(
+        actual,
+        expected[i],
+        `${name} has correct ${field}: ${expected[i]}`
+      );
+    });
+
+    if (children) {
+      children.forEach(compareFrameInfo(root, node));
+    }
+  };
+}
+
+var TEST_DATA = {
+  sites: [0, 1, 2, 3],
+  timestamps: [0, 150, 200, 250],
+  sizes: [0, 100, 200, 700],
+  frames: [
+    {
+      source: "(root)",
+    },
+    {
+      source: "A",
+      line: 1,
+      column: 2,
+      functionDisplayName: "x",
+      parent: 0,
+    },
+    {
+      source: "B",
+      line: 3,
+      column: 4,
+      functionDisplayName: "y",
+      parent: 1,
+    },
+    {
+      source: "C",
+      line: 5,
+      column: 6,
+      functionDisplayName: "z",
+      parent: 2,
+    },
+  ],
+};
diff --git a/devtools/client/performance/test/xpcshell/test_waterfall-utils-collapse-01.js b/devtools/client/performance/test/xpcshell/test_waterfall-utils-collapse-01.js
new file mode 100644
index 0000000000..9dc5267cbc
--- /dev/null
+++ b/devtools/client/performance/test/xpcshell/test_waterfall-utils-collapse-01.js
@@ -0,0 +1,82 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if the waterfall collapsing logic works properly.
+ */
+
+add_task(function test() {
+  const WaterfallUtils = require("devtools/client/performance/modules/logic/waterfall-utils");
+
+  const rootMarkerNode = WaterfallUtils.createParentNode({ name: "(root)" });
+
+  WaterfallUtils.collapseMarkersIntoNode({
+    rootNode: rootMarkerNode,
+    markersList: gTestMarkers,
+  });
+
+  function compare(marker, expected) {
+    for (const prop in expected) {
+      if (prop === "submarkers") {
+        for (let i = 0; i < expected.submarkers.length; i++) {
+          compare(marker.submarkers[i], expected.submarkers[i]);
+        }
+      } else if (prop !== "uid") {
+        equal(marker[prop], expected[prop], `${expected.name} matches ${prop}`);
+      }
+    }
+  }
+
+  compare(rootMarkerNode, gExpectedOutput);
+});
+
+const gTestMarkers = [
+  { start: 1, end: 18, name: "DOMEvent" },
+  // Test that JS markers can fold in DOM events and have marker children
+  { start: 2, end: 16, name: "Javascript" },
+  // Test all these markers can be children
+  { start: 3, end: 4, name: "Paint" },
+  { start: 5, end: 6, name: "Reflow" },
+  { start: 7, end: 8, name: "Styles" },
+  { start: 9, end: 9, name: "TimeStamp" },
+  { start: 10, end: 11, name: "Parse HTML" },
+  { start: 12, end: 13, name: "Parse XML" },
+  { start: 14, end: 15, name: "GarbageCollection" },
+  // Test that JS markers can be parents without being a child of DOM events
+  { start: 25, end: 30, name: "Javascript" },
+  { start: 26, end: 27, name: "Paint" },
+];
+
+const gExpectedOutput = {
+  name: "(root)",
+  submarkers: [
+    {
+      start: 1,
+      end: 18,
+      name: "DOMEvent",
+      submarkers: [
+        {
+          start: 2,
+          end: 16,
+          name: "Javascript",
+          submarkers: [
+            { start: 3, end: 4, name: "Paint" },
+            { start: 5, end: 6, name: "Reflow" },
+            { start: 7, end: 8, name: "Styles" },
+            { start: 9, end: 9, name: "TimeStamp" },
+            { start: 10, end: 11, name: "Parse HTML" },
+            { start: 12, end: 13, name: "Parse XML" },
+            { start: 14, end: 15, name: "GarbageCollection" },
+          ],
+        },
+      ],
+    },
+    {
+      start: 25,
+      end: 30,
+      name: "Javascript",
+      submarkers: [{ start: 26, end: 27, name: "Paint" }],
+    },
+  ],
+};
diff --git a/devtools/client/performance/test/xpcshell/test_waterfall-utils-collapse-02.js b/devtools/client/performance/test/xpcshell/test_waterfall-utils-collapse-02.js
new file mode 100644
index 0000000000..eb550d7867
--- /dev/null
+++ b/devtools/client/performance/test/xpcshell/test_waterfall-utils-collapse-02.js
@@ -0,0 +1,92 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if the waterfall collapsing logic works properly for console.time/console.timeEnd
+ * markers, as they should ignore any sort of collapsing.
+ */
+
+add_task(function test() {
+  const WaterfallUtils = require("devtools/client/performance/modules/logic/waterfall-utils");
+
+  const rootMarkerNode = WaterfallUtils.createParentNode({ name: "(root)" });
+
+  WaterfallUtils.collapseMarkersIntoNode({
+    rootNode: rootMarkerNode,
+    markersList: gTestMarkers,
+  });
+
+  function compare(marker, expected) {
+    for (const prop in expected) {
+      if (prop === "submarkers") {
+        for (let i = 0; i < expected.submarkers.length; i++) {
+          compare(marker.submarkers[i], expected.submarkers[i]);
+        }
+      } else if (prop !== "uid") {
+        equal(marker[prop], expected[prop], `${expected.name} matches ${prop}`);
+      }
+    }
+  }
+
+  compare(rootMarkerNode, gExpectedOutput);
+});
+
+const gTestMarkers = [
+  { start: 2, end: 9, name: "Javascript" },
+  { start: 3, end: 4, name: "Paint" },
+  // Time range starting in nest, ending outside
+  { start: 5, end: 12, name: "ConsoleTime", causeName: "1" },
+
+  // Time range starting outside of nest, ending inside
+  { start: 15, end: 21, name: "ConsoleTime", causeName: "2" },
+  { start: 18, end: 22, name: "Javascript" },
+  { start: 19, end: 20, name: "Paint" },
+
+  // Time range completely eclipsing nest
+  { start: 30, end: 40, name: "ConsoleTime", causeName: "3" },
+  { start: 34, end: 39, name: "Javascript" },
+  { start: 35, end: 36, name: "Paint" },
+
+  // Time range completely eclipsed by nest
+  { start: 50, end: 60, name: "Javascript" },
+  { start: 54, end: 59, name: "ConsoleTime", causeName: "4" },
+  { start: 56, end: 57, name: "Paint" },
+];
+
+const gExpectedOutput = {
+  name: "(root)",
+  submarkers: [
+    {
+      start: 2,
+      end: 9,
+      name: "Javascript",
+      submarkers: [{ start: 3, end: 4, name: "Paint" }],
+    },
+    { start: 5, end: 12, name: "ConsoleTime", causeName: "1" },
+
+    { start: 15, end: 21, name: "ConsoleTime", causeName: "2" },
+    {
+      start: 18,
+      end: 22,
+      name: "Javascript",
+      submarkers: [{ start: 19, end: 20, name: "Paint" }],
+    },
+
+    { start: 30, end: 40, name: "ConsoleTime", causeName: "3" },
+    {
+      start: 34,
+      end: 39,
+      name: "Javascript",
+      submarkers: [{ start: 35, end: 36, name: "Paint" }],
+    },
+
+    {
+      start: 50,
+      end: 60,
+      name: "Javascript",
+      submarkers: [{ start: 56, end: 57, name: "Paint" }],
+    },
+    { start: 54, end: 59, name: "ConsoleTime", causeName: "4" },
+  ],
+};
diff --git a/devtools/client/performance/test/xpcshell/test_waterfall-utils-collapse-03.js b/devtools/client/performance/test/xpcshell/test_waterfall-utils-collapse-03.js
new file mode 100644
index 0000000000..b9124c6dfd
--- /dev/null
+++ b/devtools/client/performance/test/xpcshell/test_waterfall-utils-collapse-03.js
@@ -0,0 +1,78 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the waterfall collapsing works when atleast two
+ * collapsible markers downward, and the following marker is outside of both ranges.
+ */
+
+add_task(function test() {
+  const WaterfallUtils = require("devtools/client/performance/modules/logic/waterfall-utils");
+
+  const rootMarkerNode = WaterfallUtils.createParentNode({ name: "(root)" });
+
+  WaterfallUtils.collapseMarkersIntoNode({
+    rootNode: rootMarkerNode,
+    markersList: gTestMarkers,
+  });
+
+  function compare(marker, expected) {
+    for (const prop in expected) {
+      if (prop === "submarkers") {
+        for (let i = 0; i < expected.submarkers.length; i++) {
+          compare(marker.submarkers[i], expected.submarkers[i]);
+        }
+      } else if (prop !== "uid") {
+        equal(marker[prop], expected[prop], `${expected.name} matches ${prop}`);
+      }
+    }
+  }
+
+  compare(rootMarkerNode, gExpectedOutput);
+});
+
+const gTestMarkers = [
+  { start: 2, end: 10, name: "DOMEvent" },
+  { start: 3, end: 9, name: "Javascript" },
+  { start: 4, end: 8, name: "GarbageCollection" },
+  { start: 11, end: 12, name: "Styles" },
+  { start: 13, end: 14, name: "Styles" },
+  { start: 15, end: 25, name: "DOMEvent" },
+  { start: 17, end: 24, name: "Javascript" },
+  { start: 18, end: 19, name: "GarbageCollection" },
+];
+
+const gExpectedOutput = {
+  name: "(root)",
+  submarkers: [
+    {
+      start: 2,
+      end: 10,
+      name: "DOMEvent",
+      submarkers: [
+        {
+          start: 3,
+          end: 9,
+          name: "Javascript",
+          submarkers: [{ start: 4, end: 8, name: "GarbageCollection" }],
+        },
+      ],
+    },
+    { start: 11, end: 12, name: "Styles" },
+    { start: 13, end: 14, name: "Styles" },
+    {
+      start: 15,
+      end: 25,
+      name: "DOMEvent",
+      submarkers: [
+        {
+          start: 17,
+          end: 24,
+          name: "Javascript",
+          submarkers: [{ start: 18, end: 19, name: "GarbageCollection" }],
+        },
+      ],
+    },
+  ],
+};
diff --git a/devtools/client/performance/test/xpcshell/test_waterfall-utils-collapse-04.js b/devtools/client/performance/test/xpcshell/test_waterfall-utils-collapse-04.js
new file mode 100644
index 0000000000..b0ba5c89b6
--- /dev/null
+++ b/devtools/client/performance/test/xpcshell/test_waterfall-utils-collapse-04.js
@@ -0,0 +1,118 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if the waterfall collapsing logic works properly
+ * when filtering parents and children.
+ */
+
+add_task(function test() {
+  const WaterfallUtils = require("devtools/client/performance/modules/logic/waterfall-utils");
+
+  [
+    [["DOMEvent"], gExpectedOutputNoDOMEvent],
+    [["Javascript"], gExpectedOutputNoJS],
+    [["DOMEvent", "Javascript"], gExpectedOutputNoDOMEventOrJS],
+  ].forEach(([filter, expected]) => {
+    const rootMarkerNode = WaterfallUtils.createParentNode({ name: "(root)" });
+
+    WaterfallUtils.collapseMarkersIntoNode({
+      rootNode: rootMarkerNode,
+      markersList: gTestMarkers,
+      filter,
+    });
+
+    compare(rootMarkerNode, expected);
+  });
+
+  function compare(marker, expected) {
+    for (const prop in expected) {
+      if (prop === "submarkers") {
+        for (let i = 0; i < expected.submarkers.length; i++) {
+          compare(marker.submarkers[i], expected.submarkers[i]);
+        }
+      } else if (prop !== "uid") {
+        equal(marker[prop], expected[prop], `${expected.name} matches ${prop}`);
+      }
+    }
+  }
+});
+
+const gTestMarkers = [
+  { start: 1, end: 18, name: "DOMEvent" },
+  // Test that JS markers can fold in DOM events and have marker children
+  { start: 2, end: 16, name: "Javascript" },
+  // Test all these markers can be children
+  { start: 3, end: 4, name: "Paint" },
+  { start: 5, end: 6, name: "Reflow" },
+  { start: 7, end: 8, name: "Styles" },
+  { start: 9, end: 9, name: "TimeStamp" },
+  { start: 10, end: 11, name: "Parse HTML" },
+  { start: 12, end: 13, name: "Parse XML" },
+  { start: 14, end: 15, name: "GarbageCollection" },
+  // Test that JS markers can be parents without being a child of DOM events
+  { start: 25, end: 30, name: "Javascript" },
+  { start: 26, end: 27, name: "Paint" },
+];
+
+const gExpectedOutputNoJS = {
+  name: "(root)",
+  submarkers: [
+    {
+      start: 1,
+      end: 18,
+      name: "DOMEvent",
+      submarkers: [
+        { start: 3, end: 4, name: "Paint" },
+        { start: 5, end: 6, name: "Reflow" },
+        { start: 7, end: 8, name: "Styles" },
+        { start: 9, end: 9, name: "TimeStamp" },
+        { start: 10, end: 11, name: "Parse HTML" },
+        { start: 12, end: 13, name: "Parse XML" },
+        { start: 14, end: 15, name: "GarbageCollection" },
+      ],
+    },
+    { start: 26, end: 27, name: "Paint" },
+  ],
+};
+
+const gExpectedOutputNoDOMEvent = {
+  name: "(root)",
+  submarkers: [
+    {
+      start: 2,
+      end: 16,
+      name: "Javascript",
+      submarkers: [
+        { start: 3, end: 4, name: "Paint" },
+        { start: 5, end: 6, name: "Reflow" },
+        { start: 7, end: 8, name: "Styles" },
+        { start: 9, end: 9, name: "TimeStamp" },
+        { start: 10, end: 11, name: "Parse HTML" },
+        { start: 12, end: 13, name: "Parse XML" },
+        { start: 14, end: 15, name: "GarbageCollection" },
+      ],
+    },
+    {
+      start: 25,
+      end: 30,
+      name: "Javascript",
+      submarkers: [{ start: 26, end: 27, name: "Paint" }],
+    },
+  ],
+};
+
+const gExpectedOutputNoDOMEventOrJS = {
+  name: "(root)",
+  submarkers: [
+    { start: 3, end: 4, name: "Paint" },
+    { start: 5, end: 6, name: "Reflow" },
+    { start: 7, end: 8, name: "Styles" },
+    { start: 9, end: 9, name: "TimeStamp" },
+    { start: 10, end: 11, name: "Parse HTML" },
+    { start: 12, end: 13, name: "Parse XML" },
+    { start: 14, end: 15, name: "GarbageCollection" },
+    { start: 26, end: 27, name: "Paint" },
+  ],
+};
diff --git a/devtools/client/performance/test/xpcshell/test_waterfall-utils-collapse-05.js b/devtools/client/performance/test/xpcshell/test_waterfall-utils-collapse-05.js
new file mode 100644
index 0000000000..da645dd526
--- /dev/null
+++ b/devtools/client/performance/test/xpcshell/test_waterfall-utils-collapse-05.js
@@ -0,0 +1,185 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if the waterfall collapsing logic works properly
+ * when dealing with OTMT markers.
+ */
+
+add_task(function test() {
+  const WaterfallUtils = require("devtools/client/performance/modules/logic/waterfall-utils");
+
+  const rootMarkerNode = WaterfallUtils.createParentNode({ name: "(root)" });
+
+  WaterfallUtils.collapseMarkersIntoNode({
+    rootNode: rootMarkerNode,
+    markersList: gTestMarkers,
+  });
+
+  compare(rootMarkerNode, gExpectedOutput);
+
+  function compare(marker, expected) {
+    for (const prop in expected) {
+      if (prop === "submarkers") {
+        for (let i = 0; i < expected.submarkers.length; i++) {
+          compare(marker.submarkers[i], expected.submarkers[i]);
+        }
+      } else if (prop !== "uid") {
+        equal(marker[prop], expected[prop], `${expected.name} matches ${prop}`);
+      }
+    }
+  }
+});
+
+const gTestMarkers = [
+  { start: 1, end: 4, name: "A1-mt", processType: 1, isOffMainThread: false },
+  // This should collapse only under A1-mt
+  { start: 2, end: 3, name: "B1", processType: 1, isOffMainThread: false },
+  // This should never collapse.
+  { start: 2, end: 3, name: "C1", processType: 1, isOffMainThread: true },
+
+  { start: 5, end: 8, name: "A1-otmt", processType: 1, isOffMainThread: true },
+  // This should collapse only under A1-mt
+  { start: 6, end: 7, name: "B2", processType: 1, isOffMainThread: false },
+  // This should never collapse.
+  { start: 6, end: 7, name: "C2", processType: 1, isOffMainThread: true },
+
+  { start: 9, end: 12, name: "A2-mt", processType: 2, isOffMainThread: false },
+  // This should collapse only under A2-mt
+  { start: 10, end: 11, name: "D1", processType: 2, isOffMainThread: false },
+  // This should never collapse.
+  { start: 10, end: 11, name: "E1", processType: 2, isOffMainThread: true },
+
+  {
+    start: 13,
+    end: 16,
+    name: "A2-otmt",
+    processType: 2,
+    isOffMainThread: true,
+  },
+  // This should collapse only under A2-mt
+  { start: 14, end: 15, name: "D2", processType: 2, isOffMainThread: false },
+  // This should never collapse.
+  { start: 14, end: 15, name: "E2", processType: 2, isOffMainThread: true },
+
+  // This should not collapse, because there's no parent in this process.
+  { start: 14, end: 15, name: "F", processType: 3, isOffMainThread: false },
+
+  // This should never collapse.
+  { start: 14, end: 15, name: "G", processType: 3, isOffMainThread: true },
+];
+
+const gExpectedOutput = {
+  name: "(root)",
+  submarkers: [
+    {
+      start: 1,
+      end: 4,
+      name: "A1-mt",
+      processType: 1,
+      isOffMainThread: false,
+      submarkers: [
+        {
+          start: 2,
+          end: 3,
+          name: "B1",
+          processType: 1,
+          isOffMainThread: false,
+        },
+      ],
+    },
+    {
+      start: 2,
+      end: 3,
+      name: "C1",
+      processType: 1,
+      isOffMainThread: true,
+    },
+    {
+      start: 5,
+      end: 8,
+      name: "A1-otmt",
+      processType: 1,
+      isOffMainThread: true,
+      submarkers: [
+        {
+          start: 6,
+          end: 7,
+          name: "B2",
+          processType: 1,
+          isOffMainThread: false,
+        },
+      ],
+    },
+    {
+      start: 6,
+      end: 7,
+      name: "C2",
+      processType: 1,
+      isOffMainThread: true,
+    },
+    {
+      start: 9,
+      end: 12,
+      name: "A2-mt",
+      processType: 2,
+      isOffMainThread: false,
+      submarkers: [
+        {
+          start: 10,
+          end: 11,
+          name: "D1",
+          processType: 2,
+          isOffMainThread: false,
+        },
+      ],
+    },
+    {
+      start: 10,
+      end: 11,
+      name: "E1",
+      processType: 2,
+      isOffMainThread: true,
+    },
+    {
+      start: 13,
+      end: 16,
+      name: "A2-otmt",
+      processType: 2,
+      isOffMainThread: true,
+      submarkers: [
+        {
+          start: 14,
+          end: 15,
+          name: "D2",
+          processType: 2,
+          isOffMainThread: false,
+        },
+      ],
+    },
+    {
+      start: 14,
+      end: 15,
+      name: "E2",
+      processType: 2,
+      isOffMainThread: true,
+    },
+    {
+      start: 14,
+      end: 15,
+      name: "F",
+      processType: 3,
+      isOffMainThread: false,
+      submarkers: [],
+    },
+    {
+      start: 14,
+      end: 15,
+      name: "G",
+      processType: 3,
+      isOffMainThread: true,
+      submarkers: [],
+    },
+  ],
+};
diff --git a/devtools/client/performance/test/xpcshell/xpcshell.ini b/devtools/client/performance/test/xpcshell/xpcshell.ini
new file mode 100644
index 0000000000..3860d0308f
--- /dev/null
+++ b/devtools/client/performance/test/xpcshell/xpcshell.ini
@@ -0,0 +1,35 @@
+[DEFAULT]
+tags = devtools
+head = head.js
+firefox-appdir = browser
+skip-if = toolkit == 'android'
+
+[test_frame-utils-01.js]
+[test_frame-utils-02.js]
+[test_marker-blueprint.js]
+[test_marker-utils.js]
+[test_profiler-categories.js]
+[test_jit-graph-data.js]
+[test_jit-model-01.js]
+[test_jit-model-02.js]
+[test_perf-utils-allocations-to-samples.js]
+[test_tree-model-01.js]
+[test_tree-model-02.js]
+[test_tree-model-03.js]
+[test_tree-model-04.js]
+[test_tree-model-05.js]
+[test_tree-model-06.js]
+[test_tree-model-07.js]
+[test_tree-model-08.js]
+[test_tree-model-09.js]
+[test_tree-model-10.js]
+[test_tree-model-11.js]
+[test_tree-model-12.js]
+[test_tree-model-13.js]
+[test_tree-model-allocations-01.js]
+[test_tree-model-allocations-02.js]
+[test_waterfall-utils-collapse-01.js]
+[test_waterfall-utils-collapse-02.js]
+[test_waterfall-utils-collapse-03.js]
+[test_waterfall-utils-collapse-04.js]
+[test_waterfall-utils-collapse-05.js]