v8::internal::SamplingHeapProfiler Class Reference

#include <sampling-heap-profiler.h>

Collaboration diagram for v8::internal::SamplingHeapProfiler:

Classes
class	AllocationNode
class	Observer
struct	Sample

Public Member Functions
	SamplingHeapProfiler (Heap *heap, StringsStorage *names, uint64_t rate, int stack_depth, v8::HeapProfiler::SamplingFlags flags)
	~SamplingHeapProfiler ()
	SamplingHeapProfiler (const SamplingHeapProfiler &)=delete
SamplingHeapProfiler &	operator= (const SamplingHeapProfiler &)=delete
v8::AllocationProfile *	GetAllocationProfile ()
StringsStorage *	names () const

Private Member Functions
void	SampleObject (Address soon_object, size_t size)
const std::vector< v8::AllocationProfile::Sample >	BuildSamples () const
AllocationNode *	FindOrAddChildNode (AllocationNode *parent, const char *name, int script_id, int start_position)
uint32_t	next_node_id ()
uint64_t	next_sample_id ()
v8::AllocationProfile::Node *	TranslateAllocationNode (AllocationProfile *profile, SamplingHeapProfiler::AllocationNode *node, const std::map< int, Handle< Script > > &scripts)
v8::AllocationProfile::Allocation	ScaleSample (size_t size, unsigned int count) const
AllocationNode *	AddStack ()

Static Private Member Functions
static void	OnWeakCallback (const WeakCallbackInfo< Sample > &data)

Private Attributes
Isolate *const	isolate_
Heap *const	heap_
uint64_t	last_sample_id_ = 0
uint32_t	last_node_id_ = 0
Observer	allocation_observer_
StringsStorage *const	names_
AllocationNode	profile_root_
std::unordered_map< Sample *, std::unique_ptr< Sample > >	samples_
const int	stack_depth_
const uint64_t	rate_
v8::HeapProfiler::SamplingFlags	flags_

Detailed Description

Definition at line 46 of file sampling-heap-profiler.h.

Constructor & Destructor Documentation

SamplingHeapProfiler() [1/2]

v8::internal::SamplingHeapProfiler::SamplingHeapProfiler	(	Heap *	heap,
		StringsStorage *	names,
		uint64_t	rate,
		int	stack_depth,
		v8::HeapProfiler::SamplingFlags	flags )

Definition at line 53 of file sampling-heap-profiler.cc.

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~SamplingHeapProfiler()

v8::internal::SamplingHeapProfiler::~SamplingHeapProfiler

(

)

Definition at line 71 of file sampling-heap-profiler.cc.

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SamplingHeapProfiler() [2/2]

v8::internal::SamplingHeapProfiler::SamplingHeapProfiler ( const SamplingHeapProfiler & )

delete

Member Function Documentation

AddStack()

SamplingHeapProfiler::AllocationNode * v8::internal::SamplingHeapProfiler::AddStack ( )

private

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

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BuildSamples()

const std::vector< v8::AllocationProfile::Sample > v8::internal::SamplingHeapProfiler::BuildSamples ( ) const

private

Definition at line 307 of file sampling-heap-profiler.cc.

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FindOrAddChildNode()

SamplingHeapProfiler::AllocationNode * v8::internal::SamplingHeapProfiler::FindOrAddChildNode ( AllocationNode * parent, const char * name, int script_id, int start_position )

private

Definition at line 138 of file sampling-heap-profiler.cc.

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GetAllocationProfile()

v8::AllocationProfile * v8::internal::SamplingHeapProfiler::GetAllocationProfile

(

)

Definition at line 284 of file sampling-heap-profiler.cc.

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names()

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

inline

Definition at line 126 of file sampling-heap-profiler.h.

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next_node_id()

uint32_t v8::internal::SamplingHeapProfiler::next_node_id ( )

inlineprivate

Definition at line 169 of file sampling-heap-profiler.h.

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next_sample_id()

uint64_t v8::internal::SamplingHeapProfiler::next_sample_id ( )

inlineprivate

Definition at line 170 of file sampling-heap-profiler.h.

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OnWeakCallback()

void v8::internal::SamplingHeapProfiler::OnWeakCallback ( const WeakCallbackInfo< Sample > & data )

staticprivate

Definition at line 104 of file sampling-heap-profiler.cc.

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operator=()

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

delete

SampleObject()

void v8::internal::SamplingHeapProfiler::SampleObject ( Address soon_object, size_t size )

private

Definition at line 76 of file sampling-heap-profiler.cc.

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ScaleSample()

v8::AllocationProfile::Allocation v8::internal::SamplingHeapProfiler::ScaleSample ( size_t size, unsigned int count ) const

private

Definition at line 46 of file sampling-heap-profiler.cc.

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TranslateAllocationNode()

v8::AllocationProfile::Node * v8::internal::SamplingHeapProfiler::TranslateAllocationNode ( AllocationProfile * profile, SamplingHeapProfiler::AllocationNode * node, const std::map< int, Handle< Script > > & scripts )

private

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

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Member Data Documentation

allocation_observer_

Observer v8::internal::SamplingHeapProfiler::allocation_observer_

private

Definition at line 190 of file sampling-heap-profiler.h.

flags_

v8::HeapProfiler::SamplingFlags v8::internal::SamplingHeapProfiler::flags_

private

Definition at line 196 of file sampling-heap-profiler.h.

heap_

Heap* const v8::internal::SamplingHeapProfiler::heap_

private

Definition at line 187 of file sampling-heap-profiler.h.

isolate_

Isolate* const v8::internal::SamplingHeapProfiler::isolate_

private

Definition at line 186 of file sampling-heap-profiler.h.

last_node_id_

uint32_t v8::internal::SamplingHeapProfiler::last_node_id_ = 0

private

Definition at line 189 of file sampling-heap-profiler.h.

last_sample_id_

uint64_t v8::internal::SamplingHeapProfiler::last_sample_id_ = 0

private

Definition at line 188 of file sampling-heap-profiler.h.

names_

StringsStorage* const v8::internal::SamplingHeapProfiler::names_

private

Definition at line 191 of file sampling-heap-profiler.h.

profile_root_

AllocationNode v8::internal::SamplingHeapProfiler::profile_root_

private

Definition at line 192 of file sampling-heap-profiler.h.

rate_

const uint64_t v8::internal::SamplingHeapProfiler::rate_

private

Definition at line 195 of file sampling-heap-profiler.h.

samples_

std::unordered_map<Sample*, std::unique_ptr<Sample> > v8::internal::SamplingHeapProfiler::samples_

private

Definition at line 193 of file sampling-heap-profiler.h.

stack_depth_

const int v8::internal::SamplingHeapProfiler::stack_depth_

private

Definition at line 194 of file sampling-heap-profiler.h.

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

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