HeapObjectsMap Class Reference

#include <profile-generator.h>

Public Member Functions
	HeapObjectsMap ()
void	SnapshotGenerationFinished ()
SnapshotObjectId	FindEntry (Address addr)
SnapshotObjectId	FindOrAddEntry (Address addr, unsigned int size)
void	MoveObject (Address from, Address to)
SnapshotObjectId	last_assigned_id () const
void	StopHeapObjectsTracking ()
SnapshotObjectId	PushHeapObjectsStats (OutputStream *stream)
size_t	GetUsedMemorySize () const

Static Public Member Functions
static SnapshotObjectId	GenerateId (v8::RetainedObjectInfo *info)
static SnapshotObjectId	GetNthGcSubrootId (int delta)

Static Public Attributes
static const int	kObjectIdStep = 2
static const SnapshotObjectId	kInternalRootObjectId = 1
static const SnapshotObjectId	kGcRootsObjectId
static const SnapshotObjectId	kNativesRootObjectId
static const SnapshotObjectId	kGcRootsFirstSubrootId
static const SnapshotObjectId	kFirstAvailableObjectId

Detailed Description

Definition at line 640 of file profile-generator.h.

Constructor & Destructor Documentation

HeapObjectsMap

(

)

Definition at line 1286 of file profile-generator.cc.

References List< T, P >::Add(), and v8::internal::NULL.

Member Function Documentation

SnapshotObjectId FindEntry

(

Address

addr

)

Definition at line 1328 of file profile-generator.cc.

References ASSERT, List< T, P >::at(), TemplateHashMapImpl< AllocationPolicy >::Lookup(), v8::internal::NULL, and TemplateHashMapImpl< AllocationPolicy >::occupancy().

Referenced by HeapSnapshotsCollection::FindHeapObjectById(), and HeapSnapshotsCollection::FindObjectId().

SnapshotObjectId FindOrAddEntry	(	Address	addr,
		unsigned int	size
	)

Definition at line 1338 of file profile-generator.cc.

References List< T, P >::Add(), ASSERT, List< T, P >::at(), HeapObjectsMap::kObjectIdStep, TemplateHashMapImpl< AllocationPolicy >::Lookup(), v8::internal::NULL, and TemplateHashMapImpl< AllocationPolicy >::occupancy().

Referenced by HeapSnapshotsCollection::GetObjectId().

SnapshotObjectId GenerateId ( v8::RetainedObjectInfo *  info )

static

Definition at line 1451 of file profile-generator.cc.

References v8::internal::ComputeIntegerHash(), RetainedObjectInfo::GetElementCount(), RetainedObjectInfo::GetHash(), RetainedObjectInfo::GetLabel(), v8::internal::HashSequentialString(), and HEAP.

Referenced by BasicHeapEntriesAllocator::AllocateEntry().

SnapshotObjectId GetNthGcSubrootId ( int  delta )

inlinestatic

Definition at line 128 of file profile-generator-inl.h.

References HeapObjectsMap::kGcRootsFirstSubrootId, and HeapObjectsMap::kObjectIdStep.

Referenced by HeapSnapshot::AddGcSubrootEntry().

size_t GetUsedMemorySize

(

)

const

Definition at line 1465 of file profile-generator.cc.

References TemplateHashMapImpl< AllocationPolicy >::capacity().

Referenced by HeapSnapshotsCollection::GetUsedMemorySize().

SnapshotObjectId last_assigned_id ( ) const

inline

Definition at line 648 of file profile-generator.h.

References HeapObjectsMap::kObjectIdStep.

Referenced by HeapSnapshotsCollection::last_assigned_id(), and HeapObjectsMap::PushHeapObjectsStats().

void MoveObject	(	Address	from,
		Address	to
	)

Definition at line 1305 of file profile-generator.cc.

References ASSERT, List< T, P >::at(), TemplateHashMapImpl< AllocationPolicy >::Lookup(), v8::internal::NULL, and TemplateHashMapImpl< AllocationPolicy >::Remove().

Referenced by HeapSnapshotsCollection::ObjectMoveEvent().

SnapshotObjectId PushHeapObjectsStats

(

OutputStream *

stream

)

Definition at line 1376 of file profile-generator.cc.

References List< T, P >::Add(), ASSERT, OutputStream::EndOfStream(), List< T, P >::first(), OutputStream::GetChunkSize(), OutputStream::kAbort, List< T, P >::last(), HeapObjectsMap::last_assigned_id(), and OutputStream::WriteHeapStatsChunk().

Referenced by HeapSnapshotsCollection::PushHeapObjectsStats().

void SnapshotGenerationFinished

(

)

Definition at line 1300 of file profile-generator.cc.

Referenced by HeapSnapshotsCollection::SnapshotGenerationFinished().

void StopHeapObjectsTracking

(

)

Definition at line 1359 of file profile-generator.cc.

Referenced by HeapSnapshotsCollection::StopHeapObjectsTracking().

Field Documentation

const SnapshotObjectId kFirstAvailableObjectId

static

Initial value:

=
    HeapObjectsMap::kGcRootsFirstSubrootId +
    VisitorSynchronization::kNumberOfSyncTags * HeapObjectsMap::kObjectIdStep

Definition at line 664 of file profile-generator.h.

const SnapshotObjectId kGcRootsFirstSubrootId

static

Initial value:

=
    HeapObjectsMap::kGcRootsObjectId + HeapObjectsMap::kObjectIdStep

Definition at line 663 of file profile-generator.h.

Referenced by HeapObjectsMap::GetNthGcSubrootId().

const SnapshotObjectId kGcRootsObjectId

static

Initial value:

=
    HeapObjectsMap::kInternalRootObjectId + HeapObjectsMap::kObjectIdStep

Definition at line 661 of file profile-generator.h.

Referenced by HeapSnapshot::AddGcRootsEntry().

const SnapshotObjectId kInternalRootObjectId = 1

static

Definition at line 660 of file profile-generator.h.

Referenced by HeapSnapshot::AddRootEntry().

const SnapshotObjectId kNativesRootObjectId

static

Definition at line 662 of file profile-generator.h.

const int kObjectIdStep = 2

static

Definition at line 659 of file profile-generator.h.

Referenced by HeapObjectsMap::FindOrAddEntry(), HeapObjectsMap::GetNthGcSubrootId(), and HeapObjectsMap::last_assigned_id().

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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