heap: Add chrome feature for --separate-gc-phases
Bug: 365694581 Change-Id: Ic458199ba7872aa55f0272e08c6eafade3ecd105 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5850976 Reviewed-by: Michael Lippautz <mlippautz@chromium.org> Commit-Queue: Omer Katz <omerkatz@chromium.org> Auto-Submit: Omer Katz <omerkatz@chromium.org> Commit-Queue: Michael Lippautz <mlippautz@chromium.org> Cr-Commit-Position: refs/heads/main@{#1353421}
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Chromium LUCI CQ

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b1aeb6a105
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bbffc26a8a
android_webview/java/src/org/chromium/android_webview/common
gin
@ -771,6 +771,7 @@ public final class ProductionSupportedFlagList {
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Flag.baseFeature("V8MemoryReducer"),
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Flag.baseFeature("V8MinorMS"),
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Flag.baseFeature("V8ScavengerHigherCapacity"),
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Flag.baseFeature("V8SeparateGCPhases"),
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Flag.baseFeature("V8SingleThreadedGCInBackground"),
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Flag.baseFeature("V8SingleThreadedGCInBackgroundNoIncrementalMarking"),
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Flag.baseFeature("V8SingleThreadedGCInBackgroundParallelPause"),
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@ -131,6 +131,10 @@ BASE_FEATURE(kV8ScavengerHigherCapacity,
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const base::FeatureParam<int> kV8ScavengerMaxCapacity{
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&kV8ScavengerHigherCapacity, "V8ScavengerMaxCapacity", 16};
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BASE_FEATURE(kV8SeparateGCPhases,
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("V8SeparateGCPhases"),
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kFeatureDefaultStateControlledByV8);
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// Enables Sparkplug compiler. Note that this only sets the V8 flag when
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// manually overridden; otherwise it defers to whatever the V8 default is.
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BASE_FEATURE(kV8Sparkplug, ("V8Sparkplug"), kFeatureDefaultStateControlledByV8);
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@ -49,8 +49,6 @@ GIN_EXPORT BASE_DECLARE_FEATURE(kV8Maglev);
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GIN_EXPORT BASE_DECLARE_FEATURE(kV8ConcurrentMaglevHighPriorityThreads);
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GIN_EXPORT BASE_DECLARE_FEATURE(kV8MemoryReducer);
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GIN_EXPORT extern const base::FeatureParam<int> kV8MemoryReducerGCCount;
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GIN_EXPORT BASE_DECLARE_FEATURE(kV8ScavengerHigherCapacity);
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GIN_EXPORT extern const base::FeatureParam<int> kV8ScavengerMaxCapacity;
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GIN_EXPORT BASE_DECLARE_FEATURE(kV8MinorMS);
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GIN_EXPORT BASE_DECLARE_FEATURE(kV8MegaDomIC);
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GIN_EXPORT BASE_DECLARE_FEATURE(kV8NoReclaimUnmodifiedWrappers);
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@ -58,6 +56,9 @@ GIN_EXPORT BASE_DECLARE_FEATURE(kV8OffThreadFinalization);
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GIN_EXPORT BASE_DECLARE_FEATURE(kV8OptimizeJavascript);
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GIN_EXPORT BASE_DECLARE_FEATURE(kV8PerContextMarkingWorklist);
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GIN_EXPORT BASE_DECLARE_FEATURE(kV8ReduceConcurrentMarkingTasks);
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GIN_EXPORT BASE_DECLARE_FEATURE(kV8ScavengerHigherCapacity);
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GIN_EXPORT extern const base::FeatureParam<int> kV8ScavengerMaxCapacity;
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GIN_EXPORT BASE_DECLARE_FEATURE(kV8SeparateGCPhases);
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GIN_EXPORT BASE_DECLARE_FEATURE(kV8ShortBuiltinCalls);
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GIN_EXPORT BASE_DECLARE_FEATURE(kV8SideStepTransitions);
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GIN_EXPORT BASE_DECLARE_FEATURE(kV8SingleThreadedGCInBackground);
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@ -294,6 +294,8 @@ void SetFlags(IsolateHolder::ScriptMode mode,
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SetV8FlagsFormatted("--scavenger-max-new-space-capacity-mb=%i",
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features::kV8ScavengerMaxCapacity.Get());
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}
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SetV8FlagsIfOverridden(features::kV8SeparateGCPhases, "--separate-gc-phases",
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"--no-separate-gc-phases");
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SetV8FlagsIfOverridden(features::kV8Sparkplug, "--sparkplug",
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"--no-sparkplug");
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SetV8FlagsIfOverridden(features::kV8Turbofan, "--turbofan", "--no-turbofan");
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