RuntimeProfiler Class Reference

#include <runtime-profiler.h>

Public Member Functions
	RuntimeProfiler (Isolate *isolate)
void	OptimizeNow ()
void	NotifyTick ()
void	SetUp ()
void	Reset ()
void	TearDown ()
Object **	SamplerWindowAddress ()
int	SamplerWindowSize ()
void	NotifyICChanged ()
void	UpdateSamplesAfterScavenge ()
void	RemoveDeadSamples ()
void	UpdateSamplesAfterCompact (ObjectVisitor *visitor)
void	AttemptOnStackReplacement (JSFunction *function)

Static Public Member Functions
static void	GlobalSetUp ()
static bool	IsEnabled ()
static void	IsolateEnteredJS (Isolate *isolate)
static void	IsolateExitedJS (Isolate *isolate)
static bool	IsSomeIsolateInJS ()
static bool	WaitForSomeIsolateToEnterJS ()
static void	StopRuntimeProfilerThreadBeforeShutdown (Thread *thread)

Detailed Description

Definition at line 42 of file runtime-profiler.h.

Constructor & Destructor Documentation

RuntimeProfiler ( Isolate *  isolate )

explicit

Definition at line 100 of file runtime-profiler.cc.

Member Function Documentation

void AttemptOnStackReplacement

(

JSFunction *

function

)

Definition at line 165 of file runtime-profiler.cc.

References ASSERT, Builtins::builtin(), Isolate::builtins(), Isolate::DebuggerHasBreakPoints(), v8::internal::NULL, Deoptimizer::PatchStackCheckCode(), and v8::internal::PrintF().

Referenced by RuntimeProfiler::OptimizeNow().

void GlobalSetUp ( )

static

Definition at line 113 of file runtime-profiler.cc.

References ASSERT, and V8::UseCrankshaft().

static bool IsEnabled ( )

inlinestatic

Definition at line 48 of file runtime-profiler.h.

References ASSERT.

Referenced by Isolate::ArchiveThread(), Ticker::ClearProfiler(), Ticker::ClearWindow(), Logger::PauseProfiler(), Isolate::RestoreThread(), SamplerThread::Run(), SignalSender::Run(), Isolate::SetCurrentVMState(), and RuntimeProfiler::SetUp().

void IsolateEnteredJS ( Isolate *  isolate )

inlinestatic

Definition at line 159 of file runtime-profiler.h.

References ASSERT, and v8::internal::NoBarrier_AtomicIncrement().

Referenced by Isolate::RestoreThread(), and Isolate::SetCurrentVMState().

void IsolateExitedJS ( Isolate *  isolate )

inlinestatic

Definition at line 171 of file runtime-profiler.h.

References ASSERT, v8::internal::NoBarrier_AtomicIncrement(), and v8::internal::USE().

Referenced by Isolate::ArchiveThread(), and Isolate::SetCurrentVMState().

bool IsSomeIsolateInJS ( )

static

Definition at line 443 of file runtime-profiler.cc.

References v8::internal::NoBarrier_Load().

Referenced by Isolate::SetCurrentVMState().

void NotifyICChanged ( )

inline

Definition at line 64 of file runtime-profiler.h.

void NotifyTick

(

)

Definition at line 379 of file runtime-profiler.cc.

References StackGuard::RequestRuntimeProfilerTick(), and Isolate::stack_guard().

Referenced by SamplerThread::DoRuntimeProfile(), and SignalSender::DoRuntimeProfile().

void OptimizeNow

(

)

Definition at line 249 of file runtime-profiler.cc.

References Code::allow_osr_at_loop_nesting_level(), RuntimeProfiler::AttemptOnStackReplacement(), JSFunction::cast(), SharedFunctionInfo::deopt_count(), JavaScriptFrame::function(), Code::instruction_size(), Code::kind(), Code::kMaxLoopNestingMarker, v8::internal::Min(), v8::internal::PrintF(), Code::profiler_ticks(), Code::set_allow_osr_at_loop_nesting_level(), Code::set_profiler_ticks(), SharedFunctionInfo::SourceSize(), and SharedFunctionInfo::TryReenableOptimization().

Referenced by Execution::HandleStackGuardInterrupt().

void RemoveDeadSamples

(

)

Definition at line 479 of file runtime-profiler.cc.

References HeapObject::cast(), Marking::MarkBitFrom(), and v8::internal::NULL.

void Reset

(

)

Definition at line 396 of file runtime-profiler.cc.

Referenced by Context::New().

Object** SamplerWindowAddress

(

)

int SamplerWindowSize

(

)

Definition at line 411 of file runtime-profiler.cc.

void SetUp

(

)

Definition at line 385 of file runtime-profiler.cc.

References ASSERT, Logger::EnsureTickerStarted(), RuntimeProfiler::IsEnabled(), and Isolate::logger().

void StopRuntimeProfilerThreadBeforeShutdown ( Thread *  thread )

static

Definition at line 457 of file runtime-profiler.cc.

References ASSERT, Thread::Join(), and v8::internal::NoBarrier_AtomicIncrement().

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

void TearDown

(

)

Definition at line 406 of file runtime-profiler.cc.

void UpdateSamplesAfterCompact

(

ObjectVisitor *

visitor

)

Definition at line 490 of file runtime-profiler.cc.

void UpdateSamplesAfterScavenge

(

)

Definition at line 417 of file runtime-profiler.cc.

References HeapObject::cast(), Isolate::heap(), Heap::InNewSpace(), HeapObject::map_word(), and v8::internal::NULL.

bool WaitForSomeIsolateToEnterJS ( )

static

Definition at line 448 of file runtime-profiler.cc.

References ASSERT, and v8::internal::NoBarrier_CompareAndSwap().

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

• src/runtime-profiler.h
• src/runtime-profiler.cc