src/v8-counters.h

// Copyright 2012 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
//       copyright notice, this list of conditions and the following
//       disclaimer in the documentation and/or other materials provided
//       with the distribution.
//     * Neither the name of Google Inc. nor the names of its
//       contributors may be used to endorse or promote products derived
//       from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#ifndef V8_V8_COUNTERS_H_
#define V8_V8_COUNTERS_H_

#include "allocation.h"
#include "counters.h"
#include "objects.h"
#include "v8globals.h"

namespace v8 {
namespace internal {

#define HISTOGRAM_TIMER_LIST(HT)                                      \
  /* Garbage collection timers. */                                    \
  HT(gc_compactor, V8.GCCompactor)                                    \
  HT(gc_scavenger, V8.GCScavenger)                                    \
  HT(gc_context, V8.GCContext) /* GC context cleanup time */          \
  /* Parsing timers. */                                               \
  HT(parse, V8.Parse)                                                 \
  HT(parse_lazy, V8.ParseLazy)                                        \
  HT(pre_parse, V8.PreParse)                                          \
  /* Total compilation times. */                                      \
  HT(compile, V8.Compile)                                             \
  HT(compile_eval, V8.CompileEval)                                    \
  HT(compile_lazy, V8.CompileLazy)

#define HISTOGRAM_PERCENTAGE_LIST(HP)                                 \
  HP(external_fragmentation_total,                                    \
     V8.MemoryExternalFragmentationTotal)                             \
  HP(external_fragmentation_old_pointer_space,                        \
     V8.MemoryExternalFragmentationOldPointerSpace)                   \
  HP(external_fragmentation_old_data_space,                           \
     V8.MemoryExternalFragmentationOldDataSpace)                      \
  HP(external_fragmentation_code_space,                               \
     V8.MemoryExternalFragmentationCodeSpace)                         \
  HP(external_fragmentation_map_space,                                \
     V8.MemoryExternalFragmentationMapSpace)                          \
  HP(external_fragmentation_cell_space,                               \
     V8.MemoryExternalFragmentationCellSpace)                         \
  HP(external_fragmentation_lo_space,                                 \
     V8.MemoryExternalFragmentationLoSpace)                           \
  HP(heap_fraction_map_space,                                         \
     V8.MemoryHeapFractionMapSpace)                                   \
  HP(heap_fraction_cell_space,                                        \
     V8.MemoryHeapFractionCellSpace)                                  \


#define HISTOGRAM_MEMORY_LIST(HM)                                     \
  HM(heap_sample_total_committed, V8.MemoryHeapSampleTotalCommitted)  \
  HM(heap_sample_total_used, V8.MemoryHeapSampleTotalUsed)            \
  HM(heap_sample_map_space_committed,                                 \
     V8.MemoryHeapSampleMapSpaceCommitted)                            \
  HM(heap_sample_cell_space_committed,                                \
     V8.MemoryHeapSampleCellSpaceCommitted)


// WARNING: STATS_COUNTER_LIST_* is a very large macro that is causing MSVC
// Intellisense to crash.  It was broken into two macros (each of length 40
// lines) rather than one macro (of length about 80 lines) to work around
// this problem.  Please avoid using recursive macros of this length when
// possible.
#define STATS_COUNTER_LIST_1(SC)                                      \
  /* Global Handle Count*/                                            \
  SC(global_handles, V8.GlobalHandles)                                \
  /* Mallocs from PCRE */                                             \
  SC(pcre_mallocs, V8.PcreMallocCount)                                \
  /* OS Memory allocated */                                           \
  SC(memory_allocated, V8.OsMemoryAllocated)                          \
  SC(normalized_maps, V8.NormalizedMaps)                              \
  SC(props_to_dictionary, V8.ObjectPropertiesToDictionary)            \
  SC(elements_to_dictionary, V8.ObjectElementsToDictionary)           \
  SC(alive_after_last_gc, V8.AliveAfterLastGC)                        \
  SC(objs_since_last_young, V8.ObjsSinceLastYoung)                    \
  SC(objs_since_last_full, V8.ObjsSinceLastFull)                      \
  SC(string_table_capacity, V8.StringTableCapacity)                   \
  SC(number_of_symbols, V8.NumberOfSymbols)                           \
  SC(script_wrappers, V8.ScriptWrappers)                              \
  SC(call_initialize_stubs, V8.CallInitializeStubs)                   \
  SC(call_premonomorphic_stubs, V8.CallPreMonomorphicStubs)           \
  SC(call_normal_stubs, V8.CallNormalStubs)                           \
  SC(call_megamorphic_stubs, V8.CallMegamorphicStubs)                 \
  SC(arguments_adaptors, V8.ArgumentsAdaptors)                        \
  SC(compilation_cache_hits, V8.CompilationCacheHits)                 \
  SC(compilation_cache_misses, V8.CompilationCacheMisses)             \
  SC(regexp_cache_hits, V8.RegExpCacheHits)                           \
  SC(regexp_cache_misses, V8.RegExpCacheMisses)                       \
  SC(string_ctor_calls, V8.StringConstructorCalls)                    \
  SC(string_ctor_conversions, V8.StringConstructorConversions)        \
  SC(string_ctor_cached_number, V8.StringConstructorCachedNumber)     \
  SC(string_ctor_string_value, V8.StringConstructorStringValue)       \
  SC(string_ctor_gc_required, V8.StringConstructorGCRequired)         \
  /* Amount of evaled source code. */                                 \
  SC(total_eval_size, V8.TotalEvalSize)                               \
  /* Amount of loaded source code. */                                 \
  SC(total_load_size, V8.TotalLoadSize)                               \
  /* Amount of parsed source code. */                                 \
  SC(total_parse_size, V8.TotalParseSize)                             \
  /* Amount of source code skipped over using preparsing. */          \
  SC(total_preparse_skipped, V8.TotalPreparseSkipped)                 \
  /* Number of symbol lookups skipped using preparsing */             \
  SC(total_preparse_symbols_skipped, V8.TotalPreparseSymbolSkipped)   \
  /* Amount of compiled source code. */                               \
  SC(total_compile_size, V8.TotalCompileSize)                         \
  /* Amount of source code compiled with the old codegen. */          \
  SC(total_old_codegen_source_size, V8.TotalOldCodegenSourceSize)     \
  /* Amount of source code compiled with the full codegen. */         \
  SC(total_full_codegen_source_size, V8.TotalFullCodegenSourceSize)   \
  /* Number of contexts created from scratch. */                      \
  SC(contexts_created_from_scratch, V8.ContextsCreatedFromScratch)    \
  /* Number of contexts created by partial snapshot. */               \
  SC(contexts_created_by_snapshot, V8.ContextsCreatedBySnapshot)      \
  /* Number of code objects found from pc. */                         \
  SC(pc_to_code, V8.PcToCode)                                         \
  SC(pc_to_code_cached, V8.PcToCodeCached)                            \
  /* The store-buffer implementation of the write barrier. */         \
  SC(store_buffer_compactions, V8.StoreBufferCompactions)             \
  SC(store_buffer_overflows, V8.StoreBufferOverflows)


#define STATS_COUNTER_LIST_2(SC)                                      \
  /* Number of code stubs. */                                         \
  SC(code_stubs, V8.CodeStubs)                                        \
  /* Amount of stub code. */                                          \
  SC(total_stubs_code_size, V8.TotalStubsCodeSize)                    \
  /* Amount of (JS) compiled code. */                                 \
  SC(total_compiled_code_size, V8.TotalCompiledCodeSize)              \
  SC(gc_compactor_caused_by_request, V8.GCCompactorCausedByRequest)   \
  SC(gc_compactor_caused_by_promoted_data,                            \
     V8.GCCompactorCausedByPromotedData)                              \
  SC(gc_compactor_caused_by_oldspace_exhaustion,                      \
     V8.GCCompactorCausedByOldspaceExhaustion)                        \
  SC(gc_compactor_caused_by_weak_handles,                             \
     V8.GCCompactorCausedByWeakHandles)                               \
  SC(gc_last_resort_from_js, V8.GCLastResortFromJS)                   \
  SC(gc_last_resort_from_handles, V8.GCLastResortFromHandles)         \
  /* How is the generic keyed-load stub used? */                      \
  SC(keyed_load_generic_smi, V8.KeyedLoadGenericSmi)                  \
  SC(keyed_load_generic_symbol, V8.KeyedLoadGenericSymbol)            \
  SC(keyed_load_generic_lookup_cache, V8.KeyedLoadGenericLookupCache) \
  SC(keyed_load_generic_slow, V8.KeyedLoadGenericSlow)                \
  SC(keyed_load_polymorphic_stubs, V8.KeyedLoadPolymorphicStubs)      \
  SC(keyed_load_external_array_slow, V8.KeyedLoadExternalArraySlow)   \
  /* How is the generic keyed-call stub used? */                      \
  SC(keyed_call_generic_smi_fast, V8.KeyedCallGenericSmiFast)         \
  SC(keyed_call_generic_smi_dict, V8.KeyedCallGenericSmiDict)         \
  SC(keyed_call_generic_lookup_cache, V8.KeyedCallGenericLookupCache) \
  SC(keyed_call_generic_lookup_dict, V8.KeyedCallGenericLookupDict)   \
  SC(keyed_call_generic_value_type, V8.KeyedCallGenericValueType)     \
  SC(keyed_call_generic_slow, V8.KeyedCallGenericSlow)                \
  SC(keyed_call_generic_slow_load, V8.KeyedCallGenericSlowLoad)       \
  /* Count how much the monomorphic keyed-load stubs are hit. */      \
  SC(keyed_load_function_prototype, V8.KeyedLoadFunctionPrototype)    \
  SC(keyed_load_string_length, V8.KeyedLoadStringLength)              \
  SC(keyed_load_array_length, V8.KeyedLoadArrayLength)                \
  SC(keyed_load_constant_function, V8.KeyedLoadConstantFunction)      \
  SC(keyed_load_field, V8.KeyedLoadField)                             \
  SC(keyed_load_callback, V8.KeyedLoadCallback)                       \
  SC(keyed_load_interceptor, V8.KeyedLoadInterceptor)                 \
  SC(keyed_load_inline, V8.KeyedLoadInline)                           \
  SC(keyed_load_inline_miss, V8.KeyedLoadInlineMiss)                  \
  SC(named_load_inline, V8.NamedLoadInline)                           \
  SC(named_load_inline_miss, V8.NamedLoadInlineMiss)                  \
  SC(named_load_global_inline, V8.NamedLoadGlobalInline)              \
  SC(named_load_global_inline_miss, V8.NamedLoadGlobalInlineMiss)     \
  SC(dont_delete_hint_hit, V8.DontDeleteHintHit)                      \
  SC(dont_delete_hint_miss, V8.DontDeleteHintMiss)                    \
  SC(named_load_global_stub, V8.NamedLoadGlobalStub)                  \
  SC(named_load_global_stub_miss, V8.NamedLoadGlobalStubMiss)         \
  SC(keyed_store_field, V8.KeyedStoreField)                           \
  SC(named_store_inline_field, V8.NamedStoreInlineField)              \
  SC(keyed_store_inline, V8.KeyedStoreInline)                         \
  SC(named_load_inline_generic, V8.NamedLoadInlineGeneric)            \
  SC(named_load_inline_field, V8.NamedLoadInlineFast)                 \
  SC(keyed_load_inline_generic, V8.KeyedLoadInlineGeneric)            \
  SC(keyed_load_inline_fast, V8.KeyedLoadInlineFast)                  \
  SC(keyed_store_inline_generic, V8.KeyedStoreInlineGeneric)          \
  SC(keyed_store_inline_fast, V8.KeyedStoreInlineFast)                \
  SC(named_store_inline_generic, V8.NamedStoreInlineGeneric)          \
  SC(named_store_inline_fast, V8.NamedStoreInlineFast)                \
  SC(keyed_store_inline_miss, V8.KeyedStoreInlineMiss)                \
  SC(named_store_global_inline, V8.NamedStoreGlobalInline)            \
  SC(named_store_global_inline_miss, V8.NamedStoreGlobalInlineMiss)   \
  SC(keyed_store_polymorphic_stubs, V8.KeyedStorePolymorphicStubs)    \
  SC(keyed_store_external_array_slow, V8.KeyedStoreExternalArraySlow) \
  SC(store_normal_miss, V8.StoreNormalMiss)                           \
  SC(store_normal_hit, V8.StoreNormalHit)                             \
  SC(cow_arrays_created_stub, V8.COWArraysCreatedStub)                \
  SC(cow_arrays_created_runtime, V8.COWArraysCreatedRuntime)          \
  SC(cow_arrays_converted, V8.COWArraysConverted)                     \
  SC(call_miss, V8.CallMiss)                                          \
  SC(keyed_call_miss, V8.KeyedCallMiss)                               \
  SC(load_miss, V8.LoadMiss)                                          \
  SC(keyed_load_miss, V8.KeyedLoadMiss)                               \
  SC(call_const, V8.CallConst)                                        \
  SC(call_const_fast_api, V8.CallConstFastApi)                        \
  SC(call_const_interceptor, V8.CallConstInterceptor)                 \
  SC(call_const_interceptor_fast_api, V8.CallConstInterceptorFastApi) \
  SC(call_global_inline, V8.CallGlobalInline)                         \
  SC(call_global_inline_miss, V8.CallGlobalInlineMiss)                \
  SC(constructed_objects, V8.ConstructedObjects)                      \
  SC(constructed_objects_runtime, V8.ConstructedObjectsRuntime)       \
  SC(constructed_objects_stub, V8.ConstructedObjectsStub)             \
  SC(negative_lookups, V8.NegativeLookups)                            \
  SC(negative_lookups_miss, V8.NegativeLookupsMiss)                   \
  SC(megamorphic_stub_cache_probes, V8.MegamorphicStubCacheProbes)    \
  SC(megamorphic_stub_cache_misses, V8.MegamorphicStubCacheMisses)    \
  SC(megamorphic_stub_cache_updates, V8.MegamorphicStubCacheUpdates)  \
  SC(array_function_runtime, V8.ArrayFunctionRuntime)                 \
  SC(array_function_native, V8.ArrayFunctionNative)                   \
  SC(for_in, V8.ForIn)                                                \
  SC(enum_cache_hits, V8.EnumCacheHits)                               \
  SC(enum_cache_misses, V8.EnumCacheMisses)                           \
  SC(zone_segment_bytes, V8.ZoneSegmentBytes)                         \
  SC(compute_entry_frame, V8.ComputeEntryFrame)                       \
  SC(generic_binary_stub_calls, V8.GenericBinaryStubCalls)            \
  SC(generic_binary_stub_calls_regs, V8.GenericBinaryStubCallsRegs)   \
  SC(fast_new_closure_total, V8.FastNewClosureTotal)                  \
  SC(fast_new_closure_try_optimized, V8.FastNewClosureTryOptimized)   \
  SC(fast_new_closure_install_optimized, V8.FastNewClosureInstallOptimized) \
  SC(string_add_runtime, V8.StringAddRuntime)                         \
  SC(string_add_native, V8.StringAddNative)                           \
  SC(string_add_runtime_ext_to_ascii, V8.StringAddRuntimeExtToAscii)  \
  SC(sub_string_runtime, V8.SubStringRuntime)                         \
  SC(sub_string_native, V8.SubStringNative)                           \
  SC(string_add_make_two_char, V8.StringAddMakeTwoChar)               \
  SC(string_compare_native, V8.StringCompareNative)                   \
  SC(string_compare_runtime, V8.StringCompareRuntime)                 \
  SC(regexp_entry_runtime, V8.RegExpEntryRuntime)                     \
  SC(regexp_entry_native, V8.RegExpEntryNative)                       \
  SC(number_to_string_native, V8.NumberToStringNative)                \
  SC(number_to_string_runtime, V8.NumberToStringRuntime)              \
  SC(math_acos, V8.MathAcos)                                          \
  SC(math_asin, V8.MathAsin)                                          \
  SC(math_atan, V8.MathAtan)                                          \
  SC(math_atan2, V8.MathAtan2)                                        \
  SC(math_ceil, V8.MathCeil)                                          \
  SC(math_cos, V8.MathCos)                                            \
  SC(math_exp, V8.MathExp)                                            \
  SC(math_floor, V8.MathFloor)                                        \
  SC(math_log, V8.MathLog)                                            \
  SC(math_pow, V8.MathPow)                                            \
  SC(math_round, V8.MathRound)                                        \
  SC(math_sin, V8.MathSin)                                            \
  SC(math_sqrt, V8.MathSqrt)                                          \
  SC(math_tan, V8.MathTan)                                            \
  SC(transcendental_cache_hit, V8.TranscendentalCacheHit)             \
  SC(transcendental_cache_miss, V8.TranscendentalCacheMiss)           \
  SC(stack_interrupts, V8.StackInterrupts)                            \
  SC(runtime_profiler_ticks, V8.RuntimeProfilerTicks)                 \
  SC(smi_checks_removed, V8.SmiChecksRemoved)                         \
  SC(map_checks_removed, V8.MapChecksRemoved)                         \
  SC(quote_json_char_count, V8.QuoteJsonCharacterCount)               \
  SC(quote_json_char_recount, V8.QuoteJsonCharacterReCount)           \
  SC(new_space_bytes_available, V8.MemoryNewSpaceBytesAvailable)      \
  SC(new_space_bytes_committed, V8.MemoryNewSpaceBytesCommitted)      \
  SC(new_space_bytes_used, V8.MemoryNewSpaceBytesUsed)                \
  SC(old_pointer_space_bytes_available,                               \
     V8.MemoryOldPointerSpaceBytesAvailable)                          \
  SC(old_pointer_space_bytes_committed,                               \
     V8.MemoryOldPointerSpaceBytesCommitted)                          \
  SC(old_pointer_space_bytes_used, V8.MemoryOldPointerSpaceBytesUsed) \
  SC(old_data_space_bytes_available, V8.MemoryOldDataSpaceBytesAvailable) \
  SC(old_data_space_bytes_committed, V8.MemoryOldDataSpaceBytesCommitted) \
  SC(old_data_space_bytes_used, V8.MemoryOldDataSpaceBytesUsed)       \
  SC(code_space_bytes_available, V8.MemoryCodeSpaceBytesAvailable)    \
  SC(code_space_bytes_committed, V8.MemoryCodeSpaceBytesCommitted)    \
  SC(code_space_bytes_used, V8.MemoryCodeSpaceBytesUsed)              \
  SC(map_space_bytes_available, V8.MemoryMapSpaceBytesAvailable)      \
  SC(map_space_bytes_committed, V8.MemoryMapSpaceBytesCommitted)      \
  SC(map_space_bytes_used, V8.MemoryMapSpaceBytesUsed)                \
  SC(cell_space_bytes_available, V8.MemoryCellSpaceBytesAvailable)    \
  SC(cell_space_bytes_committed, V8.MemoryCellSpaceBytesCommitted)    \
  SC(cell_space_bytes_used, V8.MemoryCellSpaceBytesUsed)              \
  SC(lo_space_bytes_available, V8.MemoryLoSpaceBytesAvailable)        \
  SC(lo_space_bytes_committed, V8.MemoryLoSpaceBytesCommitted)        \
  SC(lo_space_bytes_used, V8.MemoryLoSpaceBytesUsed)


// This file contains all the v8 counters that are in use.
class Counters {
 public:
#define HT(name, caption) \
  HistogramTimer* name() { return &name##_; }
  HISTOGRAM_TIMER_LIST(HT)
#undef HT

#define HP(name, caption) \
  Histogram* name() { return &name##_; }
  HISTOGRAM_PERCENTAGE_LIST(HP)
#undef HP

#define HM(name, caption) \
  Histogram* name() { return &name##_; }
  HISTOGRAM_MEMORY_LIST(HM)
#undef HM

#define SC(name, caption) \
  StatsCounter* name() { return &name##_; }
  STATS_COUNTER_LIST_1(SC)
  STATS_COUNTER_LIST_2(SC)
#undef SC

#define SC(name) \
  StatsCounter* count_of_##name() { return &count_of_##name##_; } \
  StatsCounter* size_of_##name() { return &size_of_##name##_; }
  INSTANCE_TYPE_LIST(SC)
#undef SC

#define SC(name) \
  StatsCounter* count_of_CODE_TYPE_##name() \
    { return &count_of_CODE_TYPE_##name##_; } \
  StatsCounter* size_of_CODE_TYPE_##name() \
    { return &size_of_CODE_TYPE_##name##_; }
  CODE_KIND_LIST(SC)
#undef SC

#define SC(name) \
  StatsCounter* count_of_FIXED_ARRAY_##name() \
    { return &count_of_FIXED_ARRAY_##name##_; } \
  StatsCounter* size_of_FIXED_ARRAY_##name() \
    { return &size_of_FIXED_ARRAY_##name##_; }
  FIXED_ARRAY_SUB_INSTANCE_TYPE_LIST(SC)
#undef SC

  enum Id {
#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
    stats_counter_count
  };

  void ResetHistograms();

 private:
#define HT(name, caption) \
  HistogramTimer name##_;
  HISTOGRAM_TIMER_LIST(HT)
#undef HT

#define HP(name, caption) \
  Histogram name##_;
  HISTOGRAM_PERCENTAGE_LIST(HP)
#undef HP

#define HM(name, caption) \
  Histogram name##_;
  HISTOGRAM_MEMORY_LIST(HM)
#undef HM

#define SC(name, caption) \
  StatsCounter name##_;
  STATS_COUNTER_LIST_1(SC)
  STATS_COUNTER_LIST_2(SC)
#undef SC

#define SC(name) \
  StatsCounter size_of_##name##_; \
  StatsCounter count_of_##name##_;
  INSTANCE_TYPE_LIST(SC)
#undef SC

#define SC(name) \
  StatsCounter size_of_CODE_TYPE_##name##_; \
  StatsCounter count_of_CODE_TYPE_##name##_;
  CODE_KIND_LIST(SC)
#undef SC

#define SC(name) \
  StatsCounter size_of_FIXED_ARRAY_##name##_; \
  StatsCounter count_of_FIXED_ARRAY_##name##_;
  FIXED_ARRAY_SUB_INSTANCE_TYPE_LIST(SC)
#undef SC

  friend class Isolate;

  DISALLOW_IMPLICIT_CONSTRUCTORS(Counters);
};

} }  // namespace v8::internal

#endif  // V8_V8_COUNTERS_H_