HeapProfiler Class Reference

#include <heap-profiler.h>

Public Member Functions
	HeapProfiler (Heap *heap)
	~HeapProfiler ()
size_t	GetMemorySizeUsedByProfiler ()
HeapSnapshot *	TakeSnapshot (const char *name, v8::ActivityControl *control, v8::HeapProfiler::ObjectNameResolver *resolver)
HeapSnapshot *	TakeSnapshot (String *name, v8::ActivityControl *control, v8::HeapProfiler::ObjectNameResolver *resolver)
void	StartHeapObjectsTracking (bool track_allocations)
void	StopHeapObjectsTracking ()
AllocationTracker *	allocation_tracker () const
HeapObjectsMap *	heap_object_map () const
StringsStorage *	names () const
SnapshotObjectId	PushHeapObjectsStats (OutputStream *stream)
int	GetSnapshotsCount ()
HeapSnapshot *	GetSnapshot (int index)
SnapshotObjectId	GetSnapshotObjectId (Handle< Object > obj)
void	DeleteAllSnapshots ()
void	RemoveSnapshot (HeapSnapshot *snapshot)
void	ObjectMoveEvent (Address from, Address to, int size)
void	AllocationEvent (Address addr, int size)
void	UpdateObjectSizeEvent (Address addr, int size)
void	DefineWrapperClass (uint16_t class_id, v8::HeapProfiler::WrapperInfoCallback callback)
v8::RetainedObjectInfo *	ExecuteWrapperClassCallback (uint16_t class_id, Object **wrapper)
void	SetRetainedObjectInfo (UniqueId id, RetainedObjectInfo *info)
bool	is_tracking_object_moves () const
bool	is_tracking_allocations () const
Handle< HeapObject >	FindHeapObjectById (SnapshotObjectId id)
void	ClearHeapObjectMap ()

Detailed Description

Definition at line 40 of file heap-profiler.h.

Constructor & Destructor Documentation

HeapProfiler ( Heap *  heap )

explicit

Definition at line 38 of file heap-profiler.cc.

~HeapProfiler

(

)

Definition at line 51 of file heap-profiler.cc.

Member Function Documentation

AllocationTracker* allocation_tracker ( ) const

inline

Definition at line 58 of file heap-profiler.h.

Referenced by V8HeapExplorer::AddEntry(), and HeapSnapshotJSONSerializer::Serialize().

void AllocationEvent	(	Address	addr,
		int	size
	)

Definition at line 178 of file heap-profiler.cc.

Referenced by Heap::AllocateRaw().

void ClearHeapObjectMap

(

)

Definition at line 218 of file heap-profiler.cc.

References HeapProfiler::is_tracking_allocations().

void DefineWrapperClass	(	uint16_t	class_id,
		v8::HeapProfiler::WrapperInfoCallback	callback
	)

Definition at line 69 of file heap-profiler.cc.

References ASSERT, HeapProfiler::kPersistentHandleNoClassId, and v8::internal::NULL.

void DeleteAllSnapshots

(

)

Definition at line 57 of file heap-profiler.cc.

Referenced by HeapSnapshot::Delete().

v8::RetainedObjectInfo * ExecuteWrapperClassCallback	(	uint16_t	class_id,
		Object **	wrapper
	)

Definition at line 80 of file heap-profiler.cc.

References v8::internal::NULL, and Utils::ToLocal().

Handle< HeapObject > FindHeapObjectById

(

SnapshotObjectId

id

)

Definition at line 198 of file heap-profiler.cc.

References ASSERT, Heap::CollectAllGarbage(), Heap::kMakeHeapIterableMask, v8::internal::NULL, and obj.

size_t GetMemorySizeUsedByProfiler

(

)

Definition at line 141 of file heap-profiler.cc.

References v8::internal::GetMemoryUsedByList(), and v8::internal::size.

HeapSnapshot * GetSnapshot

(

int

index

)

Definition at line 158 of file heap-profiler.cc.

SnapshotObjectId GetSnapshotObjectId

(

Handle< Object >

obj

)

Definition at line 163 of file heap-profiler.cc.

References HeapObject::address(), HeapObject::cast(), and HeapProfiler::kUnknownObjectId.

int GetSnapshotsCount

(

)

Definition at line 153 of file heap-profiler.cc.

Referenced by HeapSnapshot::Delete().

HeapObjectsMap* heap_object_map ( ) const

inline

Definition at line 61 of file heap-profiler.h.

Referenced by HeapSnapshot::RememberLastJSObjectId(), and HeapObjectsTracker::~HeapObjectsTracker().

bool is_tracking_allocations ( ) const

inline

Definition at line 85 of file heap-profiler.h.

Referenced by Heap::AllocateRaw(), HeapProfiler::ClearHeapObjectMap(), HeapProfiler::StartHeapObjectsTracking(), and HeapProfiler::StopHeapObjectsTracking().

bool is_tracking_object_moves ( ) const

inline

Definition at line 84 of file heap-profiler.h.

Referenced by MarkCompactCollector::MigrateObject().

StringsStorage* names ( ) const

inline

Definition at line 62 of file heap-profiler.h.

void ObjectMoveEvent	(	Address	from,
		Address	to,
		int	size
	)

Definition at line 170 of file heap-profiler.cc.

Referenced by MarkCompactCollector::MigrateObject().

SnapshotObjectId PushHeapObjectsStats

(

OutputStream *

stream

)

Definition at line 127 of file heap-profiler.cc.

void RemoveSnapshot

(

HeapSnapshot *

snapshot

)

Definition at line 64 of file heap-profiler.cc.

Referenced by HeapSnapshot::Delete().

void SetRetainedObjectInfo	(	UniqueId	id,
		RetainedObjectInfo *	info
	)

Definition at line 191 of file heap-profiler.cc.

References Isolate::global_handles(), Heap::isolate(), and GlobalHandles::SetRetainedObjectInfo().

void StartHeapObjectsTracking

(

bool

track_allocations

)

Definition at line 116 of file heap-profiler.cc.

References ASSERT, Heap::DisableInlineAllocation(), and HeapProfiler::is_tracking_allocations().

Referenced by HeapObjectsTracker::HeapObjectsTracker().

void StopHeapObjectsTracking

(

)

Definition at line 132 of file heap-profiler.cc.

References Heap::EnableInlineAllocation(), HeapProfiler::is_tracking_allocations(), and v8::internal::NULL.

Referenced by HeapObjectsTracker::~HeapObjectsTracker().

HeapSnapshot * TakeSnapshot	(	const char *	name,
		v8::ActivityControl *	control,
		v8::HeapProfiler::ObjectNameResolver *	resolver
	)

Definition at line 88 of file heap-profiler.cc.

References HeapSnapshotGenerator::GenerateSnapshot(), and v8::internal::NULL.

Referenced by HeapProfiler::TakeSnapshot().

HeapSnapshot * TakeSnapshot	(	String *	name,
		v8::ActivityControl *	control,
		v8::HeapProfiler::ObjectNameResolver *	resolver
	)

Definition at line 108 of file heap-profiler.cc.

References HeapProfiler::TakeSnapshot().

void UpdateObjectSizeEvent	(	Address	addr,
		int	size
	)

Definition at line 186 of file heap-profiler.cc.

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

• src/heap-profiler.h
• src/heap-profiler.cc