#include <heap-profiler.h>

Inheritance diagram for v8::internal::HeapProfiler:

Collaboration diagram for v8::internal::HeapProfiler:

Public Member Functions
	HeapProfiler (Heap *heap)

	~HeapProfiler () override

	HeapProfiler (const HeapProfiler &)=delete

HeapProfiler &	operator= (const HeapProfiler &)=delete

HeapSnapshot *	TakeSnapshot (const v8::HeapProfiler::HeapSnapshotOptions options)

void	WriteSnapshotToDiskAfterGC (HeapSnapshotMode snapshot_mode=HeapSnapshotMode::kRegular)

void	TakeSnapshotToFile (const v8::HeapProfiler::HeapSnapshotOptions options, std::string filename)

bool	StartSamplingHeapProfiler (uint64_t sample_interval, int stack_depth, v8::HeapProfiler::SamplingFlags)

void	StopSamplingHeapProfiler ()

bool	is_sampling_allocations ()

AllocationProfile *	GetAllocationProfile ()

void	StartHeapObjectsTracking (bool track_allocations)

void	StopHeapObjectsTracking ()

AllocationTracker *	allocation_tracker () const

HeapObjectsMap *	heap_object_map () const

StringsStorage *	names () const

SnapshotObjectId	PushHeapObjectsStats (OutputStream stream, int64_t timestamp_us)

int	GetSnapshotsCount () const

bool	IsTakingSnapshot () const

HeapSnapshot *	GetSnapshot (int index)

SnapshotObjectId	GetSnapshotObjectId (DirectHandle< Object > obj)

SnapshotObjectId	GetSnapshotObjectId (NativeObject obj)

void	DeleteAllSnapshots ()

void	RemoveSnapshot (HeapSnapshot *snapshot)

std::vector< v8::Local< v8::Value > >	GetDetachedJSWrapperObjects ()

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

void	AllocationEvent (Address addr, int size) override

void	UpdateObjectSizeEvent (Address addr, int size) override

void	AddBuildEmbedderGraphCallback (v8::HeapProfiler::BuildEmbedderGraphCallback callback, void *data)

void	RemoveBuildEmbedderGraphCallback (v8::HeapProfiler::BuildEmbedderGraphCallback callback, void *data)

void	BuildEmbedderGraph (Isolate isolate, v8::EmbedderGraph graph)

bool	HasBuildEmbedderGraphCallback ()

void	SetGetDetachednessCallback (v8::HeapProfiler::GetDetachednessCallback callback, void *data)

bool	HasGetDetachednessCallback () const

v8::EmbedderGraph::Node::Detachedness	GetDetachedness (const v8::Local< v8::Value > v8_value, uint16_t class_id)

const char *	CopyNameForHeapSnapshot (const char *name)

bool	is_tracking_object_moves () const

DirectHandle< HeapObject >	FindHeapObjectById (SnapshotObjectId id)

void	ClearHeapObjectMap ()

Isolate *	isolate () const

void	QueryObjects (DirectHandle< Context > context, QueryObjectPredicate predicate, std::vector< v8::Global< v8::Object > > objects)

void	set_native_move_listener (std::unique_ptr< HeapProfilerNativeMoveListener > listener)

Public Member Functions inherited from v8::internal::HeapObjectAllocationTracker
virtual void	MoveEvent (Address from, Address to, int size)

virtual	~HeapObjectAllocationTracker ()=default

Private Types
using	HeapSnapshotMode = v8::HeapProfiler::HeapSnapshotMode

Private Member Functions
void	MaybeClearStringsStorage ()

Heap *	heap () const

Private Attributes
std::unique_ptr< HeapObjectsMap >	ids_

std::vector< std::unique_ptr< HeapSnapshot > >	snapshots_

std::unique_ptr< StringsStorage >	names_

std::unique_ptr< AllocationTracker >	allocation_tracker_

bool	is_tracking_object_moves_

bool	is_taking_snapshot_

base::Mutex	profiler_mutex_

std::unique_ptr< SamplingHeapProfiler >	sampling_heap_profiler_

std::vector< std::pair< v8::HeapProfiler::BuildEmbedderGraphCallback, void * > >	build_embedder_graph_callbacks_

std::pair< v8::HeapProfiler::GetDetachednessCallback, void * >	get_detachedness_callback_

std::unique_ptr< HeapProfilerNativeMoveListener >	native_move_listener_

Detailed Description

Definition at line 54 of file heap-profiler.h.

Member Typedef Documentation

◆ HeapSnapshotMode

using v8::internal::HeapProfiler::HeapSnapshotMode = v8::HeapProfiler::HeapSnapshotMode

private

Definition at line 55 of file heap-profiler.h.

Constructor & Destructor Documentation

◆ HeapProfiler() [1/2]

v8::internal::HeapProfiler::HeapProfiler ( Heap * heap )

explicit

Definition at line 24 of file heap-profiler.cc.

◆ ~HeapProfiler()

v8::internal::HeapProfiler::~HeapProfiler ( )

overridedefault

◆ HeapProfiler() [2/2]

v8::internal::HeapProfiler::HeapProfiler ( const HeapProfiler & )

delete

Member Function Documentation

◆ AddBuildEmbedderGraphCallback()

void v8::internal::HeapProfiler::AddBuildEmbedderGraphCallback	(	v8::HeapProfiler::BuildEmbedderGraphCallback	callback,
		void *	data )

Definition at line 79 of file heap-profiler.cc.

◆ allocation_tracker()

AllocationTracker * v8::internal::HeapProfiler::allocation_tracker ( ) const

inline

Definition at line 81 of file heap-profiler.h.

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◆ AllocationEvent()

void v8::internal::HeapProfiler::AllocationEvent	(	Address	addr,
		int	size )

overridevirtual

Implements v8::internal::HeapObjectAllocationTracker.

Definition at line 289 of file heap-profiler.cc.

◆ BuildEmbedderGraph()

void v8::internal::HeapProfiler::BuildEmbedderGraph	(	Isolate *	isolate,
		v8::EmbedderGraph *	graph )

Definition at line 93 of file heap-profiler.cc.

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◆ ClearHeapObjectMap()

void v8::internal::HeapProfiler::ClearHeapObjectMap ( )

Definition at line 312 of file heap-profiler.cc.

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◆ CopyNameForHeapSnapshot()

const char * v8::internal::HeapProfiler::CopyNameForHeapSnapshot ( const char * name )

Definition at line 113 of file heap-profiler.cc.

◆ DeleteAllSnapshots()

void v8::internal::HeapProfiler::DeleteAllSnapshots ( )

Definition at line 32 of file heap-profiler.cc.

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◆ FindHeapObjectById()

DirectHandle< HeapObject > v8::internal::HeapProfiler::FindHeapObjectById ( SnapshotObjectId id )

Definition at line 300 of file heap-profiler.cc.

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◆ GetAllocationProfile()

v8::AllocationProfile * v8::internal::HeapProfiler::GetAllocationProfile ( )

Definition at line 213 of file heap-profiler.cc.

◆ GetDetachedJSWrapperObjects()

std::vector< v8::Local< v8::Value > > v8::internal::HeapProfiler::GetDetachedJSWrapperObjects ( )

Definition at line 52 of file heap-profiler.cc.

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◆ GetDetachedness()

v8::EmbedderGraph::Node::Detachedness v8::internal::HeapProfiler::GetDetachedness	(	const v8::Local< v8::Value >	v8_value,
		uint16_t	class_id )

Definition at line 105 of file heap-profiler.cc.

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◆ GetSnapshot()

HeapSnapshot * v8::internal::HeapProfiler::GetSnapshot ( int index )

Definition at line 255 of file heap-profiler.cc.

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◆ GetSnapshotObjectId() [1/2]

SnapshotObjectId v8::internal::HeapProfiler::GetSnapshotObjectId ( DirectHandle< Object > obj )

Definition at line 259 of file heap-profiler.cc.

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◆ GetSnapshotObjectId() [2/2]

SnapshotObjectId v8::internal::HeapProfiler::GetSnapshotObjectId ( NativeObject obj )

Definition at line 264 of file heap-profiler.cc.

◆ GetSnapshotsCount()

int v8::internal::HeapProfiler::GetSnapshotsCount ( ) const

Definition at line 249 of file heap-profiler.cc.

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◆ HasBuildEmbedderGraphCallback()

bool v8::internal::HeapProfiler::HasBuildEmbedderGraphCallback ( )

inline

Definition at line 111 of file heap-profiler.h.

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◆ HasGetDetachednessCallback()

bool v8::internal::HeapProfiler::HasGetDetachednessCallback ( ) const

inline

Definition at line 117 of file heap-profiler.h.

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◆ heap()

Heap * v8::internal::HeapProfiler::heap ( ) const

private

Definition at line 323 of file heap-profiler.cc.

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◆ heap_object_map()

HeapObjectsMap * v8::internal::HeapProfiler::heap_object_map ( ) const

inline

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

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◆ is_sampling_allocations()

bool v8::internal::HeapProfiler::is_sampling_allocations ( )

inline

Definition at line 76 of file heap-profiler.h.

◆ is_tracking_object_moves()

bool v8::internal::HeapProfiler::is_tracking_object_moves ( ) const

inline

Definition at line 125 of file heap-profiler.h.

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◆ isolate()

Isolate * v8::internal::HeapProfiler::isolate ( ) const

Definition at line 325 of file heap-profiler.cc.

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◆ IsTakingSnapshot()

bool v8::internal::HeapProfiler::IsTakingSnapshot ( ) const

Definition at line 253 of file heap-profiler.cc.

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◆ MaybeClearStringsStorage()

void v8::internal::HeapProfiler::MaybeClearStringsStorage ( )

private

Definition at line 37 of file heap-profiler.cc.

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◆ names()

StringsStorage * v8::internal::HeapProfiler::names ( ) const

inline

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

◆ ObjectMoveEvent()

void v8::internal::HeapProfiler::ObjectMoveEvent	(	Address	from,
		Address	to,
		int	size,
		bool	is_native_object )

Definition at line 280 of file heap-profiler.cc.

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◆ operator=()

HeapProfiler & v8::internal::HeapProfiler::operator= ( const HeapProfiler & )

delete

◆ PushHeapObjectsStats()

SnapshotObjectId v8::internal::HeapProfiler::PushHeapObjectsStats	(	OutputStream *	stream,
		int64_t *	timestamp_us )

Definition at line 235 of file heap-profiler.cc.

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◆ QueryObjects()

void v8::internal::HeapProfiler::QueryObjects	(	DirectHandle< Context >	context,
		v8::QueryObjectPredicate *	predicate,
		std::vector< v8::Global< v8::Object > > *	objects )

Definition at line 327 of file heap-profiler.cc.

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◆ RemoveBuildEmbedderGraphCallback()

void v8::internal::HeapProfiler::RemoveBuildEmbedderGraphCallback	(	v8::HeapProfiler::BuildEmbedderGraphCallback	callback,
		void *	data )

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

◆ RemoveSnapshot()

void v8::internal::HeapProfiler::RemoveSnapshot ( HeapSnapshot * snapshot )

Definition at line 44 of file heap-profiler.cc.

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◆ set_native_move_listener()

void v8::internal::HeapProfiler::set_native_move_listener ( std::unique_ptr< HeapProfilerNativeMoveListener > listener )

inline

Definition at line 135 of file heap-profiler.h.

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◆ SetGetDetachednessCallback()

void v8::internal::HeapProfiler::SetGetDetachednessCallback	(	v8::HeapProfiler::GetDetachednessCallback	callback,
		void *	data )

Definition at line 100 of file heap-profiler.cc.

◆ StartHeapObjectsTracking()

void v8::internal::HeapProfiler::StartHeapObjectsTracking ( bool track_allocations )

Definition at line 221 of file heap-profiler.cc.

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◆ StartSamplingHeapProfiler()

bool v8::internal::HeapProfiler::StartSamplingHeapProfiler	(	uint64_t	sample_interval,
		int	stack_depth,
		v8::HeapProfiler::SamplingFlags	flags )

Definition at line 199 of file heap-profiler.cc.

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◆ StopHeapObjectsTracking()

void v8::internal::HeapProfiler::StopHeapObjectsTracking ( )

Definition at line 240 of file heap-profiler.cc.

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◆ StopSamplingHeapProfiler()

void v8::internal::HeapProfiler::StopSamplingHeapProfiler ( )

Definition at line 208 of file heap-profiler.cc.

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◆ TakeSnapshot()

HeapSnapshot * v8::internal::HeapProfiler::TakeSnapshot ( const v8::HeapProfiler::HeapSnapshotOptions options )

Definition at line 118 of file heap-profiler.cc.

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◆ TakeSnapshotToFile()

void v8::internal::HeapProfiler::TakeSnapshotToFile	(	const v8::HeapProfiler::HeapSnapshotOptions	options,
		std::string	filename )

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

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◆ UpdateObjectSizeEvent()

void v8::internal::HeapProfiler::UpdateObjectSizeEvent	(	Address	addr,
		int	size )

overridevirtual

Reimplemented from v8::internal::HeapObjectAllocationTracker.

Definition at line 296 of file heap-profiler.cc.

◆ WriteSnapshotToDiskAfterGC()

void v8::internal::HeapProfiler::WriteSnapshotToDiskAfterGC ( HeapSnapshotMode snapshot_mode = HeapSnapshotMode::kRegular )

Definition at line 171 of file heap-profiler.cc.

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Member Data Documentation

◆ allocation_tracker_

std::unique_ptr<AllocationTracker> v8::internal::HeapProfiler::allocation_tracker_

private

Definition at line 152 of file heap-profiler.h.

◆ build_embedder_graph_callbacks_

std::vector<std::pair<v8::HeapProfiler::BuildEmbedderGraphCallback, void*> > v8::internal::HeapProfiler::build_embedder_graph_callbacks_

private

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

◆ get_detachedness_callback_

std::pair<v8::HeapProfiler::GetDetachednessCallback, void*> v8::internal::HeapProfiler::get_detachedness_callback_

private

Definition at line 160 of file heap-profiler.h.

◆ ids_

std::unique_ptr<HeapObjectsMap> v8::internal::HeapProfiler::ids_

private

Definition at line 149 of file heap-profiler.h.

◆ is_taking_snapshot_

bool v8::internal::HeapProfiler::is_taking_snapshot_

private

Definition at line 154 of file heap-profiler.h.

◆ is_tracking_object_moves_

bool v8::internal::HeapProfiler::is_tracking_object_moves_

private

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

◆ names_

std::unique_ptr<StringsStorage> v8::internal::HeapProfiler::names_

private

Definition at line 151 of file heap-profiler.h.

◆ native_move_listener_

std::unique_ptr<HeapProfilerNativeMoveListener> v8::internal::HeapProfiler::native_move_listener_

private

Definition at line 161 of file heap-profiler.h.

◆ profiler_mutex_

base::Mutex v8::internal::HeapProfiler::profiler_mutex_

private

Definition at line 155 of file heap-profiler.h.

◆ sampling_heap_profiler_

std::unique_ptr<SamplingHeapProfiler> v8::internal::HeapProfiler::sampling_heap_profiler_

private

Definition at line 156 of file heap-profiler.h.

◆ snapshots_

std::vector<std::unique_ptr<HeapSnapshot> > v8::internal::HeapProfiler::snapshots_

private

Definition at line 150 of file heap-profiler.h.

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

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

Public Member Functions

Private Types

Private Member Functions

Private Attributes

Detailed Description

Member Typedef Documentation

◆ HeapSnapshotMode

Constructor & Destructor Documentation

◆ HeapProfiler() [1/2]

◆ ~HeapProfiler()

◆ HeapProfiler() [2/2]

Member Function Documentation

◆ AddBuildEmbedderGraphCallback()

◆ allocation_tracker()

◆ AllocationEvent()

◆ BuildEmbedderGraph()

◆ ClearHeapObjectMap()

◆ CopyNameForHeapSnapshot()

◆ DeleteAllSnapshots()

◆ FindHeapObjectById()

◆ GetAllocationProfile()

◆ GetDetachedJSWrapperObjects()

◆ GetDetachedness()

◆ GetSnapshot()

◆ GetSnapshotObjectId() [1/2]

◆ GetSnapshotObjectId() [2/2]

◆ GetSnapshotsCount()

◆ HasBuildEmbedderGraphCallback()

◆ HasGetDetachednessCallback()

◆ heap()

◆ heap_object_map()

◆ is_sampling_allocations()

◆ is_tracking_object_moves()

◆ isolate()

◆ IsTakingSnapshot()

◆ MaybeClearStringsStorage()

◆ names()

◆ ObjectMoveEvent()

◆ operator=()

◆ PushHeapObjectsStats()

◆ QueryObjects()

◆ RemoveBuildEmbedderGraphCallback()

◆ RemoveSnapshot()

◆ set_native_move_listener()

◆ SetGetDetachednessCallback()

◆ StartHeapObjectsTracking()

◆ StartSamplingHeapProfiler()

◆ StopHeapObjectsTracking()

◆ StopSamplingHeapProfiler()

◆ TakeSnapshot()

◆ TakeSnapshotToFile()

◆ UpdateObjectSizeEvent()

◆ WriteSnapshotToDiskAfterGC()

Member Data Documentation

◆ allocation_tracker_

◆ build_embedder_graph_callbacks_

◆ get_detachedness_callback_

◆ ids_

◆ is_taking_snapshot_

◆ is_tracking_object_moves_

◆ names_

◆ native_move_listener_

◆ profiler_mutex_

◆ sampling_heap_profiler_

◆ snapshots_