Inheritance diagram for v8::internal::FieldStatsCollector:

Collaboration diagram for v8::internal::FieldStatsCollector:

Classes
struct	JSObjectFieldStats

Public Member Functions
	FieldStatsCollector (Heap heap, size_t tagged_fields_count, size_t embedder_fields_count, size_t inobject_smi_fields_count, size_t boxed_double_fields_count, size_t string_data_count, size_t *raw_fields_count)

void	RecordStats (Tagged< HeapObject > host)

void	VisitPointers (Tagged< HeapObject > host, ObjectSlot start, ObjectSlot end) override

void	VisitPointers (Tagged< HeapObject > host, MaybeObjectSlot start, MaybeObjectSlot end) override

V8_INLINE void	VisitInstructionStreamPointer (Tagged< Code > host, InstructionStreamSlot slot) override

void	VisitCodeTarget (Tagged< InstructionStream > host, RelocInfo *rinfo) override

void	VisitEmbeddedPointer (Tagged< InstructionStream > host, RelocInfo *rinfo) override

void	VisitMapPointer (Tagged< HeapObject > host) override

Public Member Functions inherited from v8::internal::ObjectVisitorWithCageBases
	ObjectVisitorWithCageBases (PtrComprCageBase cage_base, PtrComprCageBase code_cage_base)

	ObjectVisitorWithCageBases (Isolate *isolate)

	ObjectVisitorWithCageBases (Heap *heap)

PtrComprCageBase	cage_base () const

PtrComprCageBase	code_cage_base () const

Public Member Functions inherited from v8::internal::ObjectVisitor
virtual	~ObjectVisitor ()=default

virtual void	VisitCustomWeakPointers (Tagged< HeapObject > host, ObjectSlot start, ObjectSlot end)

virtual void	VisitPointer (Tagged< HeapObject > host, ObjectSlot p)

virtual void	VisitPointer (Tagged< HeapObject > host, MaybeObjectSlot p)

virtual void	VisitCustomWeakPointer (Tagged< HeapObject > host, ObjectSlot p)

virtual void	VisitEphemeron (Tagged< HeapObject > host, int index, ObjectSlot key, ObjectSlot value)

void	VisitRelocInfo (Tagged< InstructionStream > host, RelocIterator *it)

virtual void	VisitExternalReference (Tagged< InstructionStream > host, RelocInfo *rinfo)

virtual void	VisitInternalReference (Tagged< InstructionStream > host, RelocInfo *rinfo)

virtual void	VisitOffHeapTarget (Tagged< InstructionStream > host, RelocInfo *rinfo)

virtual void	VisitExternalPointer (Tagged< HeapObject > host, ExternalPointerSlot slot)

virtual void	VisitCppHeapPointer (Tagged< HeapObject > host, CppHeapPointerSlot slot)

virtual void	VisitIndirectPointer (Tagged< HeapObject > host, IndirectPointerSlot slot, IndirectPointerMode mode)

virtual void	VisitProtectedPointer (Tagged< TrustedObject > host, ProtectedPointerSlot slot)

virtual void	VisitProtectedPointer (Tagged< TrustedObject > host, ProtectedMaybeObjectSlot slot)

virtual void	VisitTrustedPointerTableEntry (Tagged< HeapObject > host, IndirectPointerSlot slot)

virtual void	VisitJSDispatchTableEntry (Tagged< HeapObject > host, JSDispatchHandle handle)

Private Member Functions
JSObjectFieldStats	GetInobjectFieldStats (Tagged< Map > map)

Private Attributes
std::unordered_map< Tagged< Map >, JSObjectFieldStats, Object::Hasher >	field_stats_cache_

Heap *const	heap_

size_t *const	tagged_fields_count_

size_t *const	embedder_fields_count_

size_t *const	inobject_smi_fields_count_

size_t *const	boxed_double_fields_count_

size_t *const	string_data_count_

size_t *const	raw_fields_count_

Detailed Description

Definition at line 41 of file object-stats.cc.

Constructor & Destructor Documentation

◆ FieldStatsCollector()

v8::internal::FieldStatsCollector::FieldStatsCollector	(	Heap *	heap,
		size_t *	tagged_fields_count,
		size_t *	embedder_fields_count,
		size_t *	inobject_smi_fields_count,
		size_t *	boxed_double_fields_count,
		size_t *	string_data_count,
		size_t *	raw_fields_count )

inline

Definition at line 43 of file object-stats.cc.

Member Function Documentation

◆ GetInobjectFieldStats()

FieldStatsCollector::JSObjectFieldStats v8::internal::FieldStatsCollector::GetInobjectFieldStats ( Tagged< Map > map )

private

Definition at line 147 of file object-stats.cc.

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◆ RecordStats()

void v8::internal::FieldStatsCollector::RecordStats ( Tagged< HeapObject > host )

inline

Definition at line 57 of file object-stats.cc.

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◆ VisitCodeTarget()

void v8::internal::FieldStatsCollector::VisitCodeTarget	(	Tagged< InstructionStream >	host,
		RelocInfo *	rinfo )

inlineoverridevirtual

Reimplemented from v8::internal::ObjectVisitor.

Definition at line 110 of file object-stats.cc.

◆ VisitEmbeddedPointer()

void v8::internal::FieldStatsCollector::VisitEmbeddedPointer	(	Tagged< InstructionStream >	host,
		RelocInfo *	rinfo )

inlineoverridevirtual

Reimplemented from v8::internal::ObjectVisitor.

Definition at line 116 of file object-stats.cc.

◆ VisitInstructionStreamPointer()

V8_INLINE void v8::internal::FieldStatsCollector::VisitInstructionStreamPointer	(	Tagged< Code >	host,
		InstructionStreamSlot	slot )

inlineoverridevirtual

Implements v8::internal::ObjectVisitor.

Definition at line 105 of file object-stats.cc.

◆ VisitMapPointer()

void v8::internal::FieldStatsCollector::VisitMapPointer ( Tagged< HeapObject > host )

inlineoverridevirtual

Reimplemented from v8::internal::ObjectVisitor.

Definition at line 121 of file object-stats.cc.

◆ VisitPointers() [1/2]

void v8::internal::FieldStatsCollector::VisitPointers	(	Tagged< HeapObject >	host,
		MaybeObjectSlot	start,
		MaybeObjectSlot	end )

inlineoverridevirtual

Implements v8::internal::ObjectVisitor.

Definition at line 100 of file object-stats.cc.

◆ VisitPointers() [2/2]

void v8::internal::FieldStatsCollector::VisitPointers	(	Tagged< HeapObject >	host,
		ObjectSlot	start,
		ObjectSlot	end )

inlineoverridevirtual

Implements v8::internal::ObjectVisitor.

Definition at line 96 of file object-stats.cc.

Member Data Documentation

◆ boxed_double_fields_count_

size_t* const v8::internal::FieldStatsCollector::boxed_double_fields_count_

private

Definition at line 141 of file object-stats.cc.

◆ embedder_fields_count_

size_t* const v8::internal::FieldStatsCollector::embedder_fields_count_

private

Definition at line 139 of file object-stats.cc.

◆ field_stats_cache_

std::unordered_map<Tagged<Map>, JSObjectFieldStats, Object::Hasher> v8::internal::FieldStatsCollector::field_stats_cache_

private

Definition at line 133 of file object-stats.cc.

◆ heap_

Heap* const v8::internal::FieldStatsCollector::heap_

private

Definition at line 137 of file object-stats.cc.

◆ inobject_smi_fields_count_

size_t* const v8::internal::FieldStatsCollector::inobject_smi_fields_count_

private

Definition at line 140 of file object-stats.cc.

◆ raw_fields_count_

size_t* const v8::internal::FieldStatsCollector::raw_fields_count_

private

Definition at line 143 of file object-stats.cc.

◆ string_data_count_

size_t* const v8::internal::FieldStatsCollector::string_data_count_

private

Definition at line 142 of file object-stats.cc.

◆ tagged_fields_count_

size_t* const v8::internal::FieldStatsCollector::tagged_fields_count_

private

Definition at line 138 of file object-stats.cc.

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

src/heap/object-stats.cc

Classes

Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ FieldStatsCollector()

Member Function Documentation

◆ GetInobjectFieldStats()

◆ RecordStats()

◆ VisitCodeTarget()

◆ VisitEmbeddedPointer()

◆ VisitInstructionStreamPointer()

◆ VisitMapPointer()

◆ VisitPointers() [1/2]

◆ VisitPointers() [2/2]

Member Data Documentation

◆ boxed_double_fields_count_

◆ embedder_fields_count_

◆ field_stats_cache_

◆ heap_

◆ inobject_smi_fields_count_

◆ raw_fields_count_

◆ string_data_count_

◆ tagged_fields_count_