SamplerThread Class Reference

Inheritance diagram for SamplerThread:

Collaboration diagram for SamplerThread:

Public Member Functions
	SamplerThread (int interval)
virtual void	Run ()
void	SampleContext (Sampler *sampler)
	SamplerThread (int interval)
virtual void	Run ()
void	SampleContext (Sampler *sampler)
	SamplerThread (int interval)
virtual void	Run ()
void	SampleContext (Sampler *sampler)
Public Member Functions inherited from Thread
	Thread (const Options &options)
virtual	~Thread ()
void	Start ()
void	Join ()
const char *	name () const
PlatformData *	data ()

Static Public Member Functions
static void	SetUp ()
static void	TearDown ()
static void	AddActiveSampler (Sampler *sampler)
static void	RemoveActiveSampler (Sampler *sampler)
static void	DoCpuProfile (Sampler *sampler, void *raw_sampler_thread)
static void	DoRuntimeProfile (Sampler *sampler, void *ignored)
static void	SetUp ()
static void	TearDown ()
static void	AddActiveSampler (Sampler *sampler)
static void	RemoveActiveSampler (Sampler *sampler)
static void	DoCpuProfile (Sampler *sampler, void *raw_sampler_thread)
static void	DoRuntimeProfile (Sampler *sampler, void *ignored)
static void	SetUp ()
static void	TearDown ()
static void	AddActiveSampler (Sampler *sampler)
static void	RemoveActiveSampler (Sampler *sampler)
static void	DoCpuProfile (Sampler *sampler, void *raw_sampler_thread)
static void	DoRuntimeProfile (Sampler *sampler, void *ignored)
Static Public Member Functions inherited from Thread
static LocalStorageKey	CreateThreadLocalKey ()
static void	DeleteThreadLocalKey (LocalStorageKey key)
static void *	GetThreadLocal (LocalStorageKey key)
static int	GetThreadLocalInt (LocalStorageKey key)
static void	SetThreadLocal (LocalStorageKey key, void *value)
static void	SetThreadLocalInt (LocalStorageKey key, int value)
static bool	HasThreadLocal (LocalStorageKey key)
static void *	GetExistingThreadLocal (LocalStorageKey key)
static void	YieldCPU ()

Data Fields
const int	interval_
RuntimeProfilerRateLimiter	rate_limiter_

Static Public Attributes
static const int	kSamplerThreadStackSize = 64 * KB
static Mutex *	mutex_ = NULL
static SamplerThread *	instance_ = NULL
Static Public Attributes inherited from Thread
static const int	kMaxThreadNameLength = 16

Additional Inherited Members
Public Types inherited from Thread
enum	LocalStorageKey { LOCAL_STORAGE_KEY_MIN_VALUE = kMinInt, LOCAL_STORAGE_KEY_MAX_VALUE = kMaxInt }

Detailed Description

Definition at line 615 of file platform-cygwin.cc.

Constructor & Destructor Documentation

SamplerThread ( int  interval )

inlineexplicit

Definition at line 619 of file platform-cygwin.cc.

Referenced by SamplerThread::AddActiveSampler().

SamplerThread ( int  interval )

inlineexplicit

Definition at line 752 of file platform-macos.cc.

SamplerThread ( int  interval )

inlineexplicit

Definition at line 1965 of file platform-win32.cc.

Member Function Documentation

static void AddActiveSampler ( Sampler *  sampler )

inlinestatic

Definition at line 626 of file platform-cygwin.cc.

References SamplerRegistry::AddActiveSampler(), ASSERT, SamplerThread::instance_, Sampler::interval(), SamplerThread::interval_, SamplerThread::mutex_, v8::internal::NULL, SamplerThread::SamplerThread(), and Thread::Start().

Referenced by Sampler::Start().

static void AddActiveSampler ( Sampler *  sampler )

inlinestatic

Definition at line 759 of file platform-macos.cc.

References SamplerRegistry::AddActiveSampler(), ASSERT, Sampler::interval(), v8::internal::NULL, and Thread::Start().

static void AddActiveSampler ( Sampler *  sampler )

inlinestatic

Definition at line 1972 of file platform-win32.cc.

References SamplerRegistry::AddActiveSampler(), ASSERT, Sampler::interval(), v8::internal::NULL, and Thread::Start().

static void DoCpuProfile ( Sampler *  sampler, void *  raw_sampler_thread  )

inlinestatic

Definition at line 674 of file platform-cygwin.cc.

References Isolate::IsInitialized(), Sampler::isolate(), Sampler::IsProfiling(), and SamplerThread::SampleContext().

Referenced by SamplerThread::Run().

static void DoCpuProfile ( Sampler *  sampler, void *  raw_sampler_thread  )

inlinestatic

Definition at line 807 of file platform-macos.cc.

References Isolate::IsInitialized(), Sampler::isolate(), Sampler::IsProfiling(), and SamplerThread::SampleContext().

static void DoCpuProfile ( Sampler *  sampler, void *  raw_sampler_thread  )

inlinestatic

Definition at line 2020 of file platform-win32.cc.

References Isolate::IsInitialized(), Sampler::isolate(), Sampler::IsProfiling(), and SamplerThread::SampleContext().

static void DoRuntimeProfile ( Sampler *  sampler, void *  ignored  )

inlinestatic

Definition at line 682 of file platform-cygwin.cc.

References Isolate::IsInitialized(), Sampler::isolate(), RuntimeProfiler::NotifyTick(), and Isolate::runtime_profiler().

Referenced by SamplerThread::Run().

static void DoRuntimeProfile ( Sampler *  sampler, void *  ignored  )

inlinestatic

Definition at line 815 of file platform-macos.cc.

References Isolate::IsInitialized(), Sampler::isolate(), RuntimeProfiler::NotifyTick(), and Isolate::runtime_profiler().

static void DoRuntimeProfile ( Sampler *  sampler, void *  ignored  )

inlinestatic

Definition at line 2028 of file platform-win32.cc.

References Isolate::IsInitialized(), Sampler::isolate(), RuntimeProfiler::NotifyTick(), and Isolate::runtime_profiler().

static void RemoveActiveSampler ( Sampler *  sampler )

inlinestatic

Definition at line 637 of file platform-cygwin.cc.

References SamplerRegistry::GetState(), SamplerRegistry::HAS_NO_SAMPLERS, SamplerThread::instance_, SamplerThread::mutex_, v8::internal::NULL, SamplerRegistry::RemoveActiveSampler(), and RuntimeProfiler::StopRuntimeProfilerThreadBeforeShutdown().

Referenced by Sampler::Stop().

static void RemoveActiveSampler ( Sampler *  sampler )

inlinestatic

Definition at line 770 of file platform-macos.cc.

References SamplerRegistry::GetState(), SamplerRegistry::HAS_NO_SAMPLERS, v8::internal::NULL, SamplerRegistry::RemoveActiveSampler(), and RuntimeProfiler::StopRuntimeProfilerThreadBeforeShutdown().

static void RemoveActiveSampler ( Sampler *  sampler )

inlinestatic

Definition at line 1983 of file platform-win32.cc.

References SamplerRegistry::GetState(), SamplerRegistry::HAS_NO_SAMPLERS, v8::internal::NULL, SamplerRegistry::RemoveActiveSampler(), and RuntimeProfiler::StopRuntimeProfilerThreadBeforeShutdown().

virtual void Run ( )

inlinevirtual

Implements Thread.

Definition at line 648 of file platform-cygwin.cc.

References SamplerThread::DoCpuProfile(), SamplerThread::DoRuntimeProfile(), SamplerRegistry::GetState(), SamplerRegistry::HAS_CPU_PROFILING_SAMPLERS, SamplerRegistry::HAS_NO_SAMPLERS, SamplerThread::interval_, RuntimeProfiler::IsEnabled(), SamplerRegistry::IterateActiveSamplers(), v8::internal::NULL, SamplerThread::rate_limiter_, and OS::Sleep().

virtual void Run ( )

inlinevirtual

Implements Thread.

Definition at line 781 of file platform-macos.cc.

References SamplerRegistry::GetState(), SamplerRegistry::HAS_CPU_PROFILING_SAMPLERS, SamplerRegistry::HAS_NO_SAMPLERS, RuntimeProfiler::IsEnabled(), SamplerRegistry::IterateActiveSamplers(), v8::internal::NULL, and OS::Sleep().

virtual void Run ( )

inlinevirtual

Implements Thread.

Definition at line 1994 of file platform-win32.cc.

References SamplerRegistry::GetState(), SamplerRegistry::HAS_CPU_PROFILING_SAMPLERS, SamplerRegistry::HAS_NO_SAMPLERS, RuntimeProfiler::IsEnabled(), SamplerRegistry::IterateActiveSamplers(), v8::internal::NULL, and OS::Sleep().

void SampleContext ( Sampler *  sampler )

inline

Definition at line 687 of file platform-cygwin.cc.

References Isolate::current_vm_state(), v8::internal::DWORD(), TickSample::fp, v8::internal::HANDLE(), Sampler::isolate(), v8::internal::NULL, TickSample::pc, Sampler::platform_data(), sample, Sampler::SampleStack(), TickSample::sp, TickSample::state, Sampler::Tick(), and CpuProfiler::TickSampleEvent().

Referenced by SamplerThread::DoCpuProfile().

void SampleContext ( Sampler *  sampler )

inline

Definition at line 820 of file platform-macos.cc.

References Isolate::current_vm_state(), TickSample::fp, v8::internal::ip, Sampler::isolate(), v8::internal::NULL, TickSample::pc, Sampler::platform_data(), Sampler::PlatformData::profiled_thread(), sample, Sampler::SampleStack(), v8::internal::sp, TickSample::sp, TickSample::state, Sampler::Tick(), and CpuProfiler::TickSampleEvent().

void SampleContext ( Sampler *  sampler )

inline

Definition at line 2033 of file platform-win32.cc.

References Isolate::current_vm_state(), v8::internal::DWORD(), TickSample::fp, v8::internal::HANDLE(), Sampler::isolate(), v8::internal::NULL, TickSample::pc, Sampler::platform_data(), Sampler::PlatformData::profiled_thread(), sample, Sampler::SampleStack(), TickSample::sp, TickSample::state, Sampler::Tick(), and CpuProfiler::TickSampleEvent().

static void SetUp ( )

inlinestatic

Definition at line 623 of file platform-cygwin.cc.

References OS::CreateMutex(), and SamplerThread::mutex_.

Referenced by OS::SetUp().

static void SetUp ( )

inlinestatic

Definition at line 756 of file platform-macos.cc.

References OS::CreateMutex().

static void SetUp ( )

inlinestatic

Definition at line 1969 of file platform-win32.cc.

References OS::CreateMutex().

static void TearDown ( )

inlinestatic

Definition at line 624 of file platform-cygwin.cc.

References SamplerThread::mutex_.

Referenced by OS::TearDown().

static void TearDown ( )

inlinestatic

Definition at line 757 of file platform-macos.cc.

static void TearDown ( )

inlinestatic

Definition at line 1970 of file platform-win32.cc.

Field Documentation

SamplerThread * instance_ = NULL

static

Definition at line 725 of file platform-cygwin.cc.

Referenced by SamplerThread::AddActiveSampler(), and SamplerThread::RemoveActiveSampler().

const int interval_

Definition at line 720 of file platform-cygwin.cc.

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

static const int kSamplerThreadStackSize = 64 * KB

static

Definition at line 617 of file platform-cygwin.cc.

Mutex * mutex_ = NULL

static

Definition at line 724 of file platform-cygwin.cc.

Referenced by SamplerThread::AddActiveSampler(), SamplerThread::RemoveActiveSampler(), SamplerThread::SetUp(), and SamplerThread::TearDown().

RuntimeProfilerRateLimiter rate_limiter_

Definition at line 721 of file platform-cygwin.cc.

Referenced by SamplerThread::Run().

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

• src/platform-cygwin.cc
• src/platform-macos.cc
• src/platform-win32.cc