Sampler Class Reference

#include <sampler.h>

Inheritance diagram for Sampler:

Public Member Functions
	Sampler (Isolate *isolate, int interval)
virtual	~Sampler ()
Isolate *	isolate () const
int	interval () const
void	SampleStack (const RegisterState &regs)
void	Start ()
void	Stop ()
bool	IsProfiling () const
void	IncreaseProfilingDepth ()
void	DecreaseProfilingDepth ()
bool	IsActive () const
void	DoSample ()
void	SetHasProcessingThread (bool value)
unsigned	js_and_external_sample_count () const
void	StartCountingSamples ()
PlatformData *	platform_data () const

Static Public Member Functions
static void	SetUp ()
static void	TearDown ()

Protected Member Functions
virtual void	Tick (TickSample *sample)=0

Detailed Description

Definition at line 77 of file sampler.h.

Constructor & Destructor Documentation

Sampler	(	Isolate *	isolate,
		int	interval
	)

Definition at line 646 of file sampler.cc.

~Sampler ( )

virtual

Definition at line 658 of file sampler.cc.

References ASSERT, and Sampler::IsActive().

Member Function Documentation

void DecreaseProfilingDepth

(

)

Definition at line 686 of file sampler.cc.

References v8::internal::NoBarrier_AtomicIncrement().

Referenced by Ticker::ClearProfiler().

void DoSample

(

)

Referenced by ProfilerEventsProcessor::Run(), and SamplerThread::Run().

void IncreaseProfilingDepth

(

)

Definition at line 678 of file sampler.cc.

References v8::internal::NoBarrier_AtomicIncrement().

Referenced by Ticker::SetProfiler().

int interval ( ) const

inline

Definition at line 88 of file sampler.h.

Referenced by SamplerThread::AddActiveSampler().

bool IsActive ( ) const

inline

Definition at line 106 of file sampler.h.

References v8::internal::NoBarrier_Load().

Referenced by SamplerThread::AddActiveSampler(), Ticker::ClearProfiler(), SamplerThread::RemoveActiveSampler(), Ticker::SetProfiler(), Sampler::Start(), Sampler::Stop(), Sampler::~Sampler(), and Ticker::~Ticker().

Isolate* isolate ( ) const

inline

Definition at line 87 of file sampler.h.

Referenced by SamplerThread::Run().

bool IsProfiling ( ) const

inline

Definition at line 98 of file sampler.h.

References v8::internal::NoBarrier_Load().

Referenced by SamplerThread::Run().

unsigned js_and_external_sample_count ( ) const

inline

Definition at line 116 of file sampler.h.

PlatformData* platform_data ( ) const

inline

Definition at line 125 of file sampler.h.

void SampleStack

(

const RegisterState &

regs

)

Definition at line 694 of file sampler.cc.

References Isolate::cpu_profiler(), v8::internal::EXTERNAL, CpuProfiler::FinishTickSample(), TickSample::Init(), v8::internal::JS, v8::internal::NULL, v8::internal::sample, CpuProfiler::StartTickSample(), TickSample::state, and Sampler::Tick().

void SetHasProcessingThread ( bool  value )

inline

Definition at line 111 of file sampler.h.

References v8::internal::NoBarrier_Store().

void SetUp ( )

static

Definition at line 630 of file sampler.cc.

References SamplerThread::SetUp().

void Start

(

)

Definition at line 664 of file sampler.cc.

References SamplerThread::AddActiveSampler(), ASSERT, and Sampler::IsActive().

Referenced by Ticker::SetProfiler().

void StartCountingSamples ( )

inline

Definition at line 119 of file sampler.h.

void Stop

(

)

Definition at line 671 of file sampler.cc.

References ASSERT, Sampler::IsActive(), and SamplerThread::RemoveActiveSampler().

Referenced by Ticker::ClearProfiler(), and Ticker::~Ticker().

void TearDown ( )

static

Definition at line 638 of file sampler.cc.

References SamplerThread::TearDown().

Referenced by V8::TearDown().

virtual void Tick ( TickSample *  sample )

protectedpure virtual

Implemented in Ticker.

Referenced by Sampler::SampleStack().

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

• src/sampler.h
• src/sampler.cc