From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 19:32:43 +0200
Subject: Adding upstream version 1:115.7.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 taskcluster/gecko_taskgraph/util/perfile.py | 104 ++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 taskcluster/gecko_taskgraph/util/perfile.py

(limited to 'taskcluster/gecko_taskgraph/util/perfile.py')

diff --git a/taskcluster/gecko_taskgraph/util/perfile.py b/taskcluster/gecko_taskgraph/util/perfile.py
new file mode 100644
index 0000000000..4e82d87dad
--- /dev/null
+++ b/taskcluster/gecko_taskgraph/util/perfile.py
@@ -0,0 +1,104 @@
+# 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/.
+
+
+import itertools
+import json
+import logging
+import math
+
+import taskgraph
+from mozbuild.util import memoize
+from mozpack.path import match as mozpackmatch
+
+from gecko_taskgraph import files_changed
+
+from .. import GECKO
+
+logger = logging.getLogger(__name__)
+
+
+@memoize
+def perfile_number_of_chunks(is_try, try_task_config, head_repository, head_rev, type):
+    if taskgraph.fast and not is_try:
+        # When iterating on taskgraph changes, the exact number of chunks that
+        # test-verify runs usually isn't important, so skip it when going fast.
+        return 3
+    tests_per_chunk = 10.0
+    if type.startswith("test-coverage"):
+        tests_per_chunk = 30.0
+
+    if type.startswith("test-verify-wpt") or type.startswith("test-coverage-wpt"):
+        file_patterns = [
+            "testing/web-platform/tests/**",
+            "testing/web-platform/mozilla/tests/**",
+        ]
+    elif type.startswith("test-verify-gpu") or type.startswith("test-coverage-gpu"):
+        file_patterns = [
+            "**/*webgl*/**/test_*",
+            "**/dom/canvas/**/test_*",
+            "**/gfx/tests/**/test_*",
+            "**/devtools/canvasdebugger/**/browser_*",
+            "**/reftest*/**",
+        ]
+    elif type.startswith("test-verify") or type.startswith("test-coverage"):
+        file_patterns = [
+            "**/test_*",
+            "**/browser_*",
+            "**/crashtest*/**",
+            "js/src/tests/test/**",
+            "js/src/tests/non262/**",
+            "js/src/tests/test262/**",
+        ]
+    else:
+        # Returning 0 means no tests to run, this captures non test-verify tasks
+        return 1
+
+    changed_files = set()
+    if try_task_config:
+        suite_to_paths = json.loads(try_task_config)
+        specified_files = itertools.chain.from_iterable(suite_to_paths.values())
+        changed_files.update(specified_files)
+
+    if is_try:
+        changed_files.update(files_changed.get_locally_changed_files(GECKO))
+    else:
+        changed_files.update(files_changed.get_changed_files(head_repository, head_rev))
+
+    test_count = 0
+    for pattern in file_patterns:
+        for path in changed_files:
+            # TODO: consider running tests if a manifest changes
+            if path.endswith(".list") or path.endswith(".ini"):
+                continue
+            if path.endswith("^headers^"):
+                continue
+
+            if mozpackmatch(path, pattern):
+                gpu = False
+                if type == "test-verify-e10s" or type == "test-coverage-e10s":
+                    # file_patterns for test-verify will pick up some gpu tests, lets ignore
+                    # in the case of reftest, we will not have any in the regular case
+                    gpu_dirs = [
+                        "dom/canvas",
+                        "gfx/tests",
+                        "devtools/canvasdebugger",
+                        "webgl",
+                    ]
+                    for gdir in gpu_dirs:
+                        if len(path.split(gdir)) > 1:
+                            gpu = True
+
+                if not gpu:
+                    test_count += 1
+
+    chunks = test_count / tests_per_chunk
+    chunks = int(math.ceil(chunks))
+
+    # Never return 0 chunks on try, so that per-file tests can be pushed to try with
+    # an explicit path, and also so "empty" runs can be checked on try.
+    if is_try and chunks == 0:
+        chunks = 1
+
+    return chunks
-- 
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