V8HeapExplorer Class Reference

#include <profile-generator.h>

Inheritance diagram for V8HeapExplorer:

Collaboration diagram for V8HeapExplorer:

Public Member Functions
	V8HeapExplorer (HeapSnapshot *snapshot, SnapshottingProgressReportingInterface *progress)
virtual	~V8HeapExplorer ()
virtual HeapEntry *	AllocateEntry (HeapThing ptr)
void	AddRootEntries (SnapshotFillerInterface *filler)
int	EstimateObjectsCount (HeapIterator *iterator)
bool	IterateAndExtractReferences (SnapshotFillerInterface *filler)
void	TagGlobalObjects ()
Public Member Functions inherited from HeapEntriesAllocator
virtual	~HeapEntriesAllocator ()

Static Public Member Functions
static String *	GetConstructorName (JSObject *object)

Static Public Attributes
static HeapObject *const	kInternalRootObject

Friends
class	IndexedReferencesExtractor
class	GcSubrootsEnumerator
class	RootsReferencesExtractor

Detailed Description

Definition at line 851 of file profile-generator.h.

Constructor & Destructor Documentation

V8HeapExplorer	(	HeapSnapshot *	snapshot,
		SnapshottingProgressReportingInterface *	progress
	)

Definition at line 1645 of file profile-generator.cc.

~V8HeapExplorer ( )

virtual

Definition at line 1656 of file profile-generator.cc.

Member Function Documentation

void AddRootEntries

(

SnapshotFillerInterface *

filler

)

Definition at line 1767 of file profile-generator.cc.

References SnapshotFillerInterface::AddEntry(), Heap::IterateRoots(), V8HeapExplorer::kInternalRootObject, and v8::internal::VISIT_ALL.

HeapEntry * AllocateEntry ( HeapThing  ptr )

virtual

Implements HeapEntriesAllocator.

Definition at line 1660 of file profile-generator.cc.

int EstimateObjectsCount

(

HeapIterator *

iterator

)

Definition at line 1790 of file profile-generator.cc.

References v8::internal::NULL.

String * GetConstructorName ( JSObject *  object )

static

Definition at line 2316 of file profile-generator.cc.

References JSFunction::cast(), String::cast(), JSReceiver::constructor_name(), Heap::isolate(), String::length(), and v8::internal::NULL.

Referenced by TEST().

bool IterateAndExtractReferences

(

SnapshotFillerInterface *

filler

)

Definition at line 2413 of file profile-generator.cc.

References RootsReferencesExtractor::FillReferences(), Heap::IterateRoots(), v8::internal::NULL, SnapshottingProgressReportingInterface::ProgressReport(), SnapshottingProgressReportingInterface::ProgressStep(), RootsReferencesExtractor::SetCollectingAllReferences(), v8::internal::VISIT_ALL, and v8::internal::VISIT_ONLY_STRONG.

void TagGlobalObjects

(

)

Definition at line 2695 of file profile-generator.cc.

References GlobalObjectsEnumerator::at(), JSObject::cast(), String::cast(), GlobalObjectsEnumerator::count(), v8::internal::CStrVector(), v8::internal::DeleteArray(), Isolate::factory(), StringsStorage::GetName(), Object::GetProperty(), Isolate::global_handles(), GlobalHandles::IterateAllRoots(), HeapSnapshotsCollection::names(), Factory::NewStringFromAscii(), v8::internal::NULL, and HeapObjectsSet::SetTag().

Referenced by HeapSnapshotGenerator::GenerateSnapshot().

Friends And Related Function Documentation

friend class GcSubrootsEnumerator

friend

Definition at line 954 of file profile-generator.h.

friend class IndexedReferencesExtractor

friend

Definition at line 953 of file profile-generator.h.

friend class RootsReferencesExtractor

friend

Definition at line 955 of file profile-generator.h.

Field Documentation

HeapObject *const kInternalRootObject

static

Initial value:

=
    reinterpret_cast<HeapObject*>(
        static_cast<intptr_t>(HeapObjectsMap::kInternalRootObjectId))

Definition at line 864 of file profile-generator.h.

Referenced by V8HeapExplorer::AddRootEntries().

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The documentation for this class was generated from the following files:

• src/profile-generator.h
• src/profile-generator-inl.h
• src/profile-generator.cc