v8::internal::GCTracer::Scope Class Reference

#include <gc-tracer.h>

Collaboration diagram for v8::internal::GCTracer::Scope:

Public Types
enum	ScopeId {   EXTERNAL , MC_MARK , MC_SWEEP , MC_SWEEP_NEWSPACE ,   MC_SWEEP_OLDSPACE , MC_SWEEP_CODE , MC_SWEEP_CELL , MC_SWEEP_MAP ,   MC_EVACUATE_PAGES , MC_UPDATE_NEW_TO_NEW_POINTERS , MC_UPDATE_ROOT_TO_NEW_POINTERS , MC_UPDATE_OLD_TO_NEW_POINTERS ,   MC_UPDATE_POINTERS_TO_EVACUATED , MC_UPDATE_POINTERS_BETWEEN_EVACUATED , MC_UPDATE_MISC_POINTERS , MC_WEAKCOLLECTION_PROCESS ,   MC_WEAKCOLLECTION_CLEAR , MC_WEAKCOLLECTION_ABORT , MC_FLUSH_CODE , NUMBER_OF_SCOPES }

Public Member Functions
	Scope (GCTracer *tracer, ScopeId scope)
	~Scope ()

Private Member Functions
	DISALLOW_COPY_AND_ASSIGN (Scope)

Private Attributes
GCTracer *	tracer_
ScopeId	scope_
double	start_time_

Detailed Description

Definition at line 88 of file gc-tracer.h.

Member Enumeration Documentation

ScopeId

enum v8::internal::GCTracer::Scope::ScopeId

Enumerator
EXTERNAL
MC_MARK
MC_SWEEP
MC_SWEEP_NEWSPACE
MC_SWEEP_OLDSPACE
MC_SWEEP_CODE
MC_SWEEP_CELL
MC_SWEEP_MAP
MC_EVACUATE_PAGES
MC_UPDATE_NEW_TO_NEW_POINTERS
MC_UPDATE_ROOT_TO_NEW_POINTERS
MC_UPDATE_OLD_TO_NEW_POINTERS
MC_UPDATE_POINTERS_TO_EVACUATED
MC_UPDATE_POINTERS_BETWEEN_EVACUATED
MC_UPDATE_MISC_POINTERS
MC_WEAKCOLLECTION_PROCESS
MC_WEAKCOLLECTION_CLEAR
MC_WEAKCOLLECTION_ABORT
MC_FLUSH_CODE
NUMBER_OF_SCOPES

Definition at line 90 of file gc-tracer.h.

                 {
      EXTERNAL,
      MC_MARK,
      MC_SWEEP,
      MC_SWEEP_NEWSPACE,
      MC_SWEEP_OLDSPACE,
      MC_SWEEP_CODE,
      MC_SWEEP_CELL,
      MC_SWEEP_MAP,
      MC_EVACUATE_PAGES,
      MC_UPDATE_NEW_TO_NEW_POINTERS,
      MC_UPDATE_ROOT_TO_NEW_POINTERS,
      MC_UPDATE_OLD_TO_NEW_POINTERS,
      MC_UPDATE_POINTERS_TO_EVACUATED,
      MC_UPDATE_POINTERS_BETWEEN_EVACUATED,
      MC_UPDATE_MISC_POINTERS,
      MC_WEAKCOLLECTION_PROCESS,
      MC_WEAKCOLLECTION_CLEAR,
      MC_WEAKCOLLECTION_ABORT,
      MC_FLUSH_CODE,
      NUMBER_OF_SCOPES
    };

Constructor & Destructor Documentation

Scope()

v8::internal::GCTracer::Scope::Scope ( GCTracer *  tracer, ScopeId  scope  )

inline

Definition at line 113 of file gc-tracer.h.

                                           : tracer_(tracer), scope_(scope) {
      start_time_ = base::OS::TimeCurrentMillis();
    }

References start_time_, and v8::base::OS::TimeCurrentMillis().

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~Scope()

v8::internal::GCTracer::Scope::~Scope ( )

inline

Definition at line 117 of file gc-tracer.h.

             {
      DCHECK(scope_ < NUMBER_OF_SCOPES);  // scope_ is unsigned.
      tracer_->current_.scopes[scope_] +=
          base::OS::TimeCurrentMillis() - start_time_;
    }

References v8::internal::GCTracer::current_, DCHECK, NUMBER_OF_SCOPES, scope_, v8::internal::GCTracer::Event::scopes, start_time_, v8::base::OS::TimeCurrentMillis(), and tracer_.

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Member Function Documentation

DISALLOW_COPY_AND_ASSIGN()

v8::internal::GCTracer::Scope::DISALLOW_COPY_AND_ASSIGN ( Scope  )

private

Member Data Documentation

scope_

ScopeId v8::internal::GCTracer::Scope::scope_

private

Definition at line 125 of file gc-tracer.h.

Referenced by ~Scope().

start_time_

double v8::internal::GCTracer::Scope::start_time_

private

Definition at line 126 of file gc-tracer.h.

Referenced by Scope(), and ~Scope().

tracer_

GCTracer* v8::internal::GCTracer::Scope::tracer_

private

Definition at line 124 of file gc-tracer.h.

Referenced by ~Scope().

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

• /mnt/V8SourceCode/src/heap/gc-tracer.h