v8::internal::Counters Class Reference

#include <counters.h>

Collaboration diagram for v8::internal::Counters:

Public Types
enum	Id { stats_counter_count }

Public Member Functions
void	ResetCounters ()
void	ResetHistograms ()

Private Member Functions
	Counters (Isolate *isolate)
	DISALLOW_IMPLICIT_CONSTRUCTORS (Counters)

Friends
class	Isolate

Detailed Description

Definition at line 559 of file counters.h.

Member Enumeration Documentation

Id

enum v8::internal::Counters::Id

Enumerator
stats_counter_count

Definition at line 617 of file counters.h.

          {
#define RATE_ID(name, caption) k_##name,
    HISTOGRAM_TIMER_LIST(RATE_ID)
#undef RATE_ID
#define PERCENTAGE_ID(name, caption) k_##name,
    HISTOGRAM_PERCENTAGE_LIST(PERCENTAGE_ID)
#undef PERCENTAGE_ID
#define MEMORY_ID(name, caption) k_##name,
    HISTOGRAM_MEMORY_LIST(MEMORY_ID)
#undef MEMORY_ID
#define COUNTER_ID(name, caption) k_##name,
    STATS_COUNTER_LIST_1(COUNTER_ID)
    STATS_COUNTER_LIST_2(COUNTER_ID)
#undef COUNTER_ID
#define COUNTER_ID(name) kCountOf##name, kSizeOf##name,
    INSTANCE_TYPE_LIST(COUNTER_ID)
#undef COUNTER_ID
#define COUNTER_ID(name) kCountOfCODE_TYPE_##name, \
    kSizeOfCODE_TYPE_##name,
    CODE_KIND_LIST(COUNTER_ID)
#undef COUNTER_ID
#define COUNTER_ID(name) kCountOfFIXED_ARRAY__##name, \
    kSizeOfFIXED_ARRAY__##name,
    FIXED_ARRAY_SUB_INSTANCE_TYPE_LIST(COUNTER_ID)
#undef COUNTER_ID
#define COUNTER_ID(name) kCountOfCODE_AGE__##name, \
    kSizeOfCODE_AGE__##name,
    CODE_AGE_LIST_COMPLETE(COUNTER_ID)
#undef COUNTER_ID
    stats_counter_count
  };

Constructor & Destructor Documentation

Counters()

v8::internal::Counters::Counters ( Isolate *  isolate )

explicitprivate

Definition at line 57 of file counters.cc.

                                   {
#define HR(name, caption, min, max, num_buckets) \
  name##_ = Histogram(#caption, min, max, num_buckets, isolate);
  HISTOGRAM_RANGE_LIST(HR)
#undef HR
 
#define HT(name, caption) \
    name##_ = HistogramTimer(#caption, 0, 10000, 50, isolate);
    HISTOGRAM_TIMER_LIST(HT)
#undef HT
 
#define HP(name, caption) \
    name##_ = Histogram(#caption, 0, 101, 100, isolate);
    HISTOGRAM_PERCENTAGE_LIST(HP)
#undef HP
 
#define HM(name, caption) \
    name##_ = Histogram(#caption, 1000, 500000, 50, isolate);
    HISTOGRAM_MEMORY_LIST(HM)
#undef HM
 
#define SC(name, caption) \
    name##_ = StatsCounter(isolate, "c:" #caption);
 
    STATS_COUNTER_LIST_1(SC)
    STATS_COUNTER_LIST_2(SC)
#undef SC
 
#define SC(name) \
    count_of_##name##_ = StatsCounter(isolate, "c:" "V8.CountOf_" #name); \
    size_of_##name##_ = StatsCounter(isolate, "c:" "V8.SizeOf_" #name);
    INSTANCE_TYPE_LIST(SC)
#undef SC
 
#define SC(name) \
    count_of_CODE_TYPE_##name##_ = \
        StatsCounter(isolate, "c:" "V8.CountOf_CODE_TYPE-" #name); \
    size_of_CODE_TYPE_##name##_ = \
        StatsCounter(isolate, "c:" "V8.SizeOf_CODE_TYPE-" #name);
    CODE_KIND_LIST(SC)
#undef SC
 
#define SC(name) \
    count_of_FIXED_ARRAY_##name##_ = \
        StatsCounter(isolate, "c:" "V8.CountOf_FIXED_ARRAY-" #name); \
    size_of_FIXED_ARRAY_##name##_ = \
        StatsCounter(isolate, "c:" "V8.SizeOf_FIXED_ARRAY-" #name);
    FIXED_ARRAY_SUB_INSTANCE_TYPE_LIST(SC)
#undef SC
 
#define SC(name) \
    count_of_CODE_AGE_##name##_ = \
        StatsCounter(isolate, "c:" "V8.CountOf_CODE_AGE-" #name); \
    size_of_CODE_AGE_##name##_ = \
        StatsCounter(isolate, "c:" "V8.SizeOf_CODE_AGE-" #name);
    CODE_AGE_LIST_COMPLETE(SC)
#undef SC
}

References CODE_AGE_LIST_COMPLETE, CODE_KIND_LIST, FIXED_ARRAY_SUB_INSTANCE_TYPE_LIST, HISTOGRAM_MEMORY_LIST, HISTOGRAM_PERCENTAGE_LIST, HISTOGRAM_RANGE_LIST, HISTOGRAM_TIMER_LIST, HM, HP, HR, HT, INSTANCE_TYPE_LIST, SC, STATS_COUNTER_LIST_1, and STATS_COUNTER_LIST_2.

Member Function Documentation

DISALLOW_IMPLICIT_CONSTRUCTORS()

v8::internal::Counters::DISALLOW_IMPLICIT_CONSTRUCTORS ( Counters  )

private

ResetCounters()

void v8::internal::Counters::ResetCounters

(

)

Definition at line 117 of file counters.cc.

                             {
#define SC(name, caption) name##_.Reset();
  STATS_COUNTER_LIST_1(SC)
  STATS_COUNTER_LIST_2(SC)
#undef SC
 
#define SC(name)              \
  count_of_##name##_.Reset(); \
  size_of_##name##_.Reset();
  INSTANCE_TYPE_LIST(SC)
#undef SC
 
#define SC(name)                        \
  count_of_CODE_TYPE_##name##_.Reset(); \
  size_of_CODE_TYPE_##name##_.Reset();
  CODE_KIND_LIST(SC)
#undef SC
 
#define SC(name)                          \
  count_of_FIXED_ARRAY_##name##_.Reset(); \
  size_of_FIXED_ARRAY_##name##_.Reset();
  FIXED_ARRAY_SUB_INSTANCE_TYPE_LIST(SC)
#undef SC
 
#define SC(name)                       \
  count_of_CODE_AGE_##name##_.Reset(); \
  size_of_CODE_AGE_##name##_.Reset();
  CODE_AGE_LIST_COMPLETE(SC)
#undef SC
}

References CODE_AGE_LIST_COMPLETE, CODE_KIND_LIST, FIXED_ARRAY_SUB_INSTANCE_TYPE_LIST, INSTANCE_TYPE_LIST, SC, STATS_COUNTER_LIST_1, and STATS_COUNTER_LIST_2.

Referenced by v8::Isolate::SetCounterFunction().

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ResetHistograms()

void v8::internal::Counters::ResetHistograms

(

)

Definition at line 149 of file counters.cc.

                               {
#define HR(name, caption, min, max, num_buckets) name##_.Reset();
  HISTOGRAM_RANGE_LIST(HR)
#undef HR
 
#define HT(name, caption) name##_.Reset();
    HISTOGRAM_TIMER_LIST(HT)
#undef HT
 
#define HP(name, caption) name##_.Reset();
    HISTOGRAM_PERCENTAGE_LIST(HP)
#undef HP
 
#define HM(name, caption) name##_.Reset();
    HISTOGRAM_MEMORY_LIST(HM)
#undef HM
}

References HISTOGRAM_MEMORY_LIST, HISTOGRAM_PERCENTAGE_LIST, HISTOGRAM_RANGE_LIST, HISTOGRAM_TIMER_LIST, HM, HP, HR, and HT.

Referenced by v8::Isolate::SetCreateHistogramFunction().

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Friends And Related Function Documentation

Isolate

friend class Isolate

friend

Definition at line 702 of file counters.h.

---

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

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