v8::internal::HistogramTimer Class Reference

#include <counters.h>

Inheritance diagram for v8::internal::HistogramTimer:

Collaboration diagram for v8::internal::HistogramTimer:

Public Member Functions
	HistogramTimer ()
	HistogramTimer (const char *name, int min, int max, int num_buckets, Isolate *isolate)
void	Start ()
void	Stop ()
bool	Running ()
Public Member Functions inherited from v8::internal::Histogram
	Histogram ()
	Histogram (const char *name, int min, int max, int num_buckets, Isolate *isolate)
void	AddSample (int sample)
bool	Enabled ()
void	Reset ()

Private Attributes
base::ElapsedTimer	timer_

Additional Inherited Members
Protected Member Functions inherited from v8::internal::Histogram
void *	GetHistogram ()
const char *	name ()
Isolate *	isolate () const

Detailed Description

Definition at line 224 of file counters.h.

Constructor & Destructor Documentation

HistogramTimer() [1/2]

v8::internal::HistogramTimer::HistogramTimer ( )

inline

Definition at line 226 of file counters.h.

{ }

HistogramTimer() [2/2]

v8::internal::HistogramTimer::HistogramTimer ( const char *  name, int  min, int  max, int  num_buckets, Isolate *  isolate  )

inline

Definition at line 227 of file counters.h.

      : Histogram(name, min, max, num_buckets, isolate) {}

Member Function Documentation

Running()

bool v8::internal::HistogramTimer::Running ( )

inline

Definition at line 241 of file counters.h.

                 {
    return Enabled() && timer_.IsStarted();
  }

References v8::internal::Histogram::Enabled(), and timer_.

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Start()

void v8::internal::HistogramTimer::Start

(

)

Definition at line 38 of file counters.cc.

                           {
  if (Enabled()) {
    timer_.Start();
  }
  isolate()->event_logger()(name(), Logger::START);
}

References v8::internal::Histogram::Enabled(), v8::internal::Histogram::isolate(), v8::internal::Histogram::name(), v8::internal::Logger::START, and timer_.

Referenced by v8::internal::Parser::ParseLazyFunctionBodyWithPreParser().

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Stop()

void v8::internal::HistogramTimer::Stop

(

)

Definition at line 47 of file counters.cc.

                          {
  if (Enabled()) {
    // Compute the delta between start and stop, in milliseconds.
    AddSample(static_cast<int>(timer_.Elapsed().InMilliseconds()));
    timer_.Stop();
  }
  isolate()->event_logger()(name(), Logger::END);
}

References v8::internal::Histogram::AddSample(), v8::internal::Histogram::Enabled(), v8::internal::Logger::END, v8::internal::Histogram::isolate(), v8::internal::Histogram::name(), and timer_.

Referenced by v8::internal::Parser::ParseLazyFunctionBodyWithPreParser().

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Member Data Documentation

timer_

base::ElapsedTimer v8::internal::HistogramTimer::timer_

private

Definition at line 251 of file counters.h.

Referenced by Running(), Start(), and Stop().

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

• /mnt/V8SourceCode/src/counters.h
• /mnt/V8SourceCode/src/counters.cc