fourthTier: It should be possible to record heap operations (both FastMalloc and JSC GC)
https://bugs.webkit.org/show_bug.cgi?id=116848
Source/JavaScriptCore:
Reviewed by Mark Hahnenberg.
Record GC heap operations if ENABLE(ALLOCATION_LOGGING).
* API/JSManagedValue.mm:
* dfg/DFGOperations.cpp:
* heap/Heap.cpp:
(JSC::Heap::collect):
* heap/Heap.h:
(Heap):
(JSC::Heap::allocateWithNormalDestructor):
(JSC::Heap::allocateWithImmortalStructureDestructor):
(JSC::Heap::allocateWithoutDestructor):
(JSC::Heap::tryAllocateStorage):
(JSC::Heap::tryReallocateStorage):
(JSC):
(JSC::Heap::ascribeOwner):
* heap/SlotVisitor.cpp:
(JSC::SlotVisitor::append):
(JSC::SlotVisitor::internalAppend):
* heap/SlotVisitor.h:
(SlotVisitor):
* heap/SlotVisitorInlines.h:
(JSC::SlotVisitor::append):
(JSC::SlotVisitor::appendUnbarrieredPointer):
(JSC::SlotVisitor::appendUnbarrieredValue):
(JSC::SlotVisitor::appendUnbarrieredWeak):
(JSC::SlotVisitor::internalAppend):
(JSC):
(JSC::SlotVisitor::appendValues):
* jit/JITWriteBarrier.h:
(JSC::SlotVisitor::append):
* llint/LLIntCommon.h:
* runtime/Butterfly.h:
(Butterfly):
* runtime/ButterflyInlines.h:
(JSC::Butterfly::createUninitialized):
(JSC::Butterfly::create):
(JSC::Butterfly::growPropertyStorage):
(JSC::Butterfly::createOrGrowArrayRight):
(JSC):
(JSC::Butterfly::growArrayRight):
(JSC::Butterfly::resizeArray):
* runtime/JSArray.cpp:
(JSC::createArrayButterflyInDictionaryIndexingMode):
(JSC::JSArray::unshiftCountSlowCase):
* runtime/JSArray.h:
(JSC::createContiguousArrayButterfly):
(JSC::createArrayButterfly):
(JSC):
(JSC::JSArray::create):
(JSC::JSArray::tryCreateUninitialized):
* runtime/JSObject.cpp:
(JSC::JSObject::enterDictionaryIndexingModeWhenArrayStorageAlreadyExists):
(JSC::JSObject::createInitialIndexedStorage):
(JSC::JSObject::createArrayStorage):
(JSC::JSObject::constructConvertedArrayStorageWithoutCopyingElements):
(JSC::JSObject::increaseVectorLength):
(JSC::JSObject::ensureLengthSlow):
(JSC::JSObject::growOutOfLineStorage):
* runtime/JSObject.h:
(JSC::JSObject::JSObject):
* runtime/Operations.h:
* runtime/RegExpMatchesArray.cpp:
(JSC::RegExpMatchesArray::create):
* runtime/StructureInlines.h:
(JSC):
* runtime/WriteBarrier.h:
(JSC):
Source/WTF:
Reviewed by Mark Hahnenberg.
* WTF.xcodeproj/project.pbxproj:
* wtf/DataLog.cpp:
(WTF):
(WTF::initializeLogFileOnce):
* wtf/FastMalloc.cpp:
(WTF::TCMalloc_ThreadCache::CreateCacheIfNecessary):
* wtf/Platform.h:
git-svn-id: http://svn.webkit.org/repository/webkit/trunk@153189 268f45cc-cd09-0410-ab3c-d52691b4dbfc
diff --git a/Source/JavaScriptCore/heap/Heap.cpp b/Source/JavaScriptCore/heap/Heap.cpp
index 96ffbd6..9741cf5 100644
--- a/Source/JavaScriptCore/heap/Heap.cpp
+++ b/Source/JavaScriptCore/heap/Heap.cpp
@@ -702,6 +702,10 @@
void Heap::collect(SweepToggle sweepToggle)
{
+#if ENABLE(ALLOCATION_LOGGING)
+ dataLogF("JSC GC starting collection.\n");
+#endif
+
SamplingRegion samplingRegion("Garbage Collection");
RELEASE_ASSERT(!m_deferralDepth);
@@ -814,6 +818,10 @@
if (Options::showObjectStatistics())
HeapStatistics::showObjectStatistics(this);
+
+#if ENABLE(ALLOCATION_LOGGING)
+ dataLogF("JSC GC finishing collection.\n");
+#endif
}
bool Heap::collectIfNecessaryOrDefer()
