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1371242 - Investigate if CC slices could use idle periods more likely

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1371242, try to run CC slices more likely during idle periods.
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win7-7 2024-04-27 16:02:38 +03:00 • committed by wuggy
commit b12cefe841
1 changed files with 13 additions and 4 deletions
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17
dom/base/nsJSEnvironment.cpp
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@ -54,6 +54,7 @@
#include "mozilla/StaticPtr.h"
#include "mozilla/dom/DOMException.h"
#include "mozilla/dom/DOMExceptionBinding.h"
#include "mozilla/dom/Element.h"
#include "mozilla/dom/ErrorEvent.h"
#include "mozilla/dom/ScriptSettings.h"
#include "nsAXPCNativeCallContext.h"
@ -119,12 +120,12 @@ const size_t gStackSize = 8192;
static const int64_t kForgetSkippableSliceDuration = 2;
// Maximum amount of time that should elapse between incremental CC slices
static const int64_t kICCIntersliceDelay = 32; // ms
static const int64_t kICCIntersliceDelay = 64; // ms
// Time budget for an incremental CC slice when using timer to run it.
static const int64_t kICCSliceBudget = 5; // ms
static const int64_t kICCSliceBudget = 3; // ms
// Minimum budget for an incremental CC slice when using idle time to run it.
static const int64_t kIdleICCSliceBudget = 3; // ms
static const int64_t kIdleICCSliceBudget = 2; // ms
// Maximum total duration for an ICC
static const uint32_t kMaxICCDuration = 2000; // ms
@ -1585,7 +1586,10 @@ nsJSContext::RunCycleCollectorSlice(TimeStamp aDeadline)
}
}
nsCycleCollector_collectSlice(budget);
nsCycleCollector_collectSlice(budget,
aDeadline.IsNull() ||
(aDeadline - TimeStamp::Now()).ToMilliseconds() <
kICCSliceBudget);
gCCStats.FinishCycleCollectionSlice();
}
@ -1919,6 +1923,11 @@ CCRunnerFired(TimeStamp aDeadline, void* aData)
if (ShouldTriggerCC(nsCycleCollector_suspectedCount())) {
// Our efforts to avoid a CC have failed, so we return to let the
// timer fire once more to trigger a CC.
// Clear content unbinder before the first CC slice.
Element::ClearContentUnbinder();
// And trigger deferred deletion too.
nsCycleCollector_doDeferredDeletion();
return didDoWork;
}
} else {