v8  3.11.10(node0.8.26)
V8 is Google's open source JavaScript engine
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Public Member Functions | Static Public Member Functions
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 98 of file runtime-profiler.cc.

Member Function Documentation

void AttemptOnStackReplacement ( JSFunction *  function)

Definition at line 159 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 111 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 434 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 370 of file runtime-profiler.cc.

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

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

void OptimizeNow ( )

Definition at line 239 of file runtime-profiler.cc.

References Code::allow_osr_at_loop_nesting_level(), RuntimeProfiler::AttemptOnStackReplacement(), JSFunction::cast(), SharedFunctionInfo::deopt_count(), JavaScriptFrame::function(), Code::FUNCTION, Code::instruction_size(), Compiler::kDefaultMaxOptCount, 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 470 of file runtime-profiler.cc.

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

void Reset ( )

Definition at line 387 of file runtime-profiler.cc.

Referenced by Context::New().

Object** SamplerWindowAddress ( )
int SamplerWindowSize ( )

Definition at line 402 of file runtime-profiler.cc.

void SetUp ( )

Definition at line 376 of file runtime-profiler.cc.

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

void StopRuntimeProfilerThreadBeforeShutdown ( Thread *  thread)
static

Definition at line 448 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 397 of file runtime-profiler.cc.

void UpdateSamplesAfterCompact ( ObjectVisitor *  visitor)

Definition at line 481 of file runtime-profiler.cc.

void UpdateSamplesAfterScavenge ( )

Definition at line 408 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 439 of file runtime-profiler.cc.

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

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