From e4283f6d48b98e764b988b43bbc86b9d52e6ec94 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:54:43 +0200 Subject: Adding upstream version 43.9. Signed-off-by: Daniel Baumann --- js/perf/core.js | 271 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 271 insertions(+) create mode 100644 js/perf/core.js (limited to 'js/perf/core.js') diff --git a/js/perf/core.js b/js/perf/core.js new file mode 100644 index 0000000..bd7e220 --- /dev/null +++ b/js/perf/core.js @@ -0,0 +1,271 @@ +// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*- +/* exported run, script_overviewShowStart, script_overviewShowDone, + script_applicationsShowStart, script_applicationsShowDone, + script_afterShowHide, malloc_usedSize, glx_swapComplete, + clutter_stagePaintDone */ +/* eslint camelcase: ["error", { properties: "never", allow: ["^script_", "^malloc", "^glx", "^clutter"] }] */ + +const System = imports.system; + +const Main = imports.ui.main; +const Scripting = imports.ui.scripting; + +// This performance script measure the most important (core) performance +// metrics for the shell. By looking at the output metrics of this script +// someone should be able to get an idea of how well the shell is performing +// on a particular system. + +var METRICS = { + overviewLatencyFirst: { + description: 'Time to first frame after triggering overview, first time', + units: 'us', + }, + overviewFpsFirst: { + description: 'Frame rate when going to the overview, first time', + units: 'frames / s', + }, + overviewLatencySubsequent: { + description: 'Time to first frame after triggering overview, second time', + units: 'us', + }, + overviewFpsSubsequent: { + description: 'Frames rate when going to the overview, second time', + units: 'frames / s', + }, + overviewFps5Windows: { + description: 'Frames rate when going to the overview, 5 windows open', + units: 'frames / s', + }, + overviewFps10Windows: { + description: 'Frames rate when going to the overview, 10 windows open', + units: 'frames / s', + }, + overviewFps5Maximized: { + description: 'Frames rate when going to the overview, 5 maximized windows open', + units: 'frames / s', + }, + overviewFps10Maximized: { + description: 'Frames rate when going to the overview, 10 maximized windows open', + units: 'frames / s', + }, + overviewFps5Alpha: { + description: 'Frames rate when going to the overview, 5 alpha-transparent windows open', + units: 'frames / s', + }, + overviewFps10Alpha: { + description: 'Frames rate when going to the overview, 10 alpha-transparent windows open', + units: 'frames / s', + }, + usedAfterOverview: { + description: "Malloc'ed bytes after the overview is shown once", + units: 'B', + }, + leakedAfterOverview: { + description: "Additional malloc'ed bytes the second time the overview is shown", + units: 'B', + }, + applicationsShowTimeFirst: { + description: 'Time to switch to applications view, first time', + units: 'us', + }, + applicationsShowTimeSubsequent: { + description: 'Time to switch to applications view, second time', + units: 'us', + }, +}; + +const WINDOW_CONFIGS = [{ + width: 640, height: 480, + alpha: false, maximized: false, count: 1, metric: 'overviewFpsSubsequent', +}, { + width: 640, height: 480, + alpha: false, maximized: false, count: 5, metric: 'overviewFps5Windows', +}, { + width: 640, height: 480, + alpha: false, maximized: false, count: 10, metric: 'overviewFps10Windows', +}, { + width: 640, height: 480, + alpha: false, maximized: true, count: 5, metric: 'overviewFps5Maximized', +}, { + width: 640, height: 480, + alpha: false, maximized: true, count: 10, metric: 'overviewFps10Maximized', +}, { + width: 640, height: 480, + alpha: true, maximized: false, count: 5, metric: 'overviewFps5Alpha', +}, { + width: 640, height: 480, + alpha: true, maximized: false, count: 10, metric: 'overviewFps10Alpha', +}]; + +async function run() { + /* eslint-disable no-await-in-loop */ + Scripting.defineScriptEvent("overviewShowStart", "Starting to show the overview"); + Scripting.defineScriptEvent("overviewShowDone", "Overview finished showing"); + Scripting.defineScriptEvent("afterShowHide", "After a show/hide cycle for the overview"); + Scripting.defineScriptEvent("applicationsShowStart", "Starting to switch to applications view"); + Scripting.defineScriptEvent("applicationsShowDone", "Done switching to applications view"); + + // Enable recording of timestamps for different points in the frame cycle + global.frame_timestamps = true; + + Main.overview.connect('shown', () => { + Scripting.scriptEvent('overviewShowDone'); + }); + + await Scripting.sleep(1000); + + for (let i = 0; i < 2 * WINDOW_CONFIGS.length; i++) { + // We go to the overview twice for each configuration; the first time + // to calculate the mipmaps for the windows, the second time to get + // a clean set of numbers. + if ((i % 2) == 0) { + let config = WINDOW_CONFIGS[i / 2]; + await Scripting.destroyTestWindows(); + + for (let k = 0; k < config.count; k++) { + await Scripting.createTestWindow({ + width: config.width, + height: config.height, + alpha: config.alpha, + maximized: config.maximized, + }); + } + + await Scripting.waitTestWindows(); + await Scripting.sleep(1000); + await Scripting.waitLeisure(); + } + + Scripting.scriptEvent('overviewShowStart'); + Main.overview.show(); + + await Scripting.waitLeisure(); + Main.overview.hide(); + await Scripting.waitLeisure(); + + System.gc(); + await Scripting.sleep(1000); + Scripting.collectStatistics(); + Scripting.scriptEvent('afterShowHide'); + } + + await Scripting.destroyTestWindows(); + await Scripting.sleep(1000); + + Main.overview.show(); + await Scripting.waitLeisure(); + + for (let i = 0; i < 2; i++) { + Scripting.scriptEvent('applicationsShowStart'); + // eslint-disable-next-line require-atomic-updates + Main.overview.dash.showAppsButton.checked = true; + await Scripting.waitLeisure(); + Scripting.scriptEvent('applicationsShowDone'); + // eslint-disable-next-line require-atomic-updates + Main.overview.dash.showAppsButton.checked = false; + await Scripting.waitLeisure(); + } + /* eslint-enable no-await-in-loop */ +} + +let showingOverview = false; +let finishedShowingOverview = false; +let overviewShowStart; +let overviewFrames; +let overviewLatency; +let mallocUsedSize = 0; +let overviewShowCount = 0; +let haveSwapComplete = false; +let applicationsShowStart; +let applicationsShowCount = 0; + +function script_overviewShowStart(time) { + showingOverview = true; + finishedShowingOverview = false; + overviewShowStart = time; + overviewFrames = 0; +} + +function script_overviewShowDone(_time) { + // We've set up the state at the end of the zoom out, but we + // need to wait for one more frame to paint before we count + // ourselves as done. + finishedShowingOverview = true; +} + +function script_applicationsShowStart(time) { + applicationsShowStart = time; +} + +function script_applicationsShowDone(time) { + applicationsShowCount++; + if (applicationsShowCount == 1) + METRICS.applicationsShowTimeFirst.value = time - applicationsShowStart; + else + METRICS.applicationsShowTimeSubsequent.value = time - applicationsShowStart; +} + +function script_afterShowHide(_time) { + if (overviewShowCount == 1) + METRICS.usedAfterOverview.value = mallocUsedSize; + else + METRICS.leakedAfterOverview.value = mallocUsedSize - METRICS.usedAfterOverview.value; +} + +function malloc_usedSize(time, bytes) { + mallocUsedSize = bytes; +} + +function _frameDone(time) { + if (showingOverview) { + if (overviewFrames == 0) + overviewLatency = time - overviewShowStart; + + overviewFrames++; + } + + if (finishedShowingOverview) { + showingOverview = false; + finishedShowingOverview = false; + overviewShowCount++; + + let dt = (time - (overviewShowStart + overviewLatency)) / 1000000; + + // If we see a start frame and an end frame, that would + // be 1 frame for a FPS computation, hence the '- 1' + let fps = (overviewFrames - 1) / dt; + + if (overviewShowCount == 1) { + METRICS.overviewLatencyFirst.value = overviewLatency; + METRICS.overviewFpsFirst.value = fps; + } else if (overviewShowCount == 2) { + METRICS.overviewLatencySubsequent.value = overviewLatency; + } + + // Other than overviewFpsFirst, we collect FPS metrics the second + // we show each window configuration. overviewShowCount is 1,2,3... + if (overviewShowCount % 2 == 0) { + let config = WINDOW_CONFIGS[(overviewShowCount / 2) - 1]; + METRICS[config.metric].value = fps; + } + } +} + +function glx_swapComplete(time, swapTime) { + haveSwapComplete = true; + + _frameDone(swapTime); +} + +function clutter_stagePaintDone(time) { + // If we aren't receiving GLXBufferSwapComplete events, then we approximate + // the time the user sees a frame with the time we finished doing drawing + // commands for the frame. This doesn't take into account the time for + // the GPU to finish painting, and the time for waiting for the buffer + // swap, but if this are uniform - every frame takes the same time to draw - + // then it won't upset our FPS calculation, though the latency value + // will be slightly too low. + + if (!haveSwapComplete) + _frameDone(time); +} -- cgit v1.2.3