1// Copyright 2012 the V8 project authors. All rights reserved. 2// Redistribution and use in source and binary forms, with or without 3// modification, are permitted provided that the following conditions are 4// met: 5// 6// * Redistributions of source code must retain the above copyright 7// notice, this list of conditions and the following disclaimer. 8// * Redistributions in binary form must reproduce the above 9// copyright notice, this list of conditions and the following 10// disclaimer in the documentation and/or other materials provided 11// with the distribution. 12// * Neither the name of Google Inc. nor the names of its 13// contributors may be used to endorse or promote products derived 14// from this software without specific prior written permission. 15// 16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28#ifndef V8_V8_COUNTERS_H_ 29#define V8_V8_COUNTERS_H_ 30 31#include "allocation.h" 32#include "counters.h" 33#include "objects.h" 34#include "v8globals.h" 35 36namespace v8 { 37namespace internal { 38 39#define HISTOGRAM_TIMER_LIST(HT) \ 40 /* Garbage collection timers. */ \ 41 HT(gc_compactor, V8.GCCompactor) \ 42 HT(gc_scavenger, V8.GCScavenger) \ 43 HT(gc_context, V8.GCContext) /* GC context cleanup time */ \ 44 /* Parsing timers. */ \ 45 HT(parse, V8.Parse) \ 46 HT(parse_lazy, V8.ParseLazy) \ 47 HT(pre_parse, V8.PreParse) \ 48 /* Total compilation times. */ \ 49 HT(compile, V8.Compile) \ 50 HT(compile_eval, V8.CompileEval) \ 51 HT(compile_lazy, V8.CompileLazy) 52 53#define HISTOGRAM_PERCENTAGE_LIST(HP) \ 54 /* Heap fragmentation. */ \ 55 HP(external_fragmentation_total, \ 56 V8.MemoryExternalFragmentationTotal) \ 57 HP(external_fragmentation_old_pointer_space, \ 58 V8.MemoryExternalFragmentationOldPointerSpace) \ 59 HP(external_fragmentation_old_data_space, \ 60 V8.MemoryExternalFragmentationOldDataSpace) \ 61 HP(external_fragmentation_code_space, \ 62 V8.MemoryExternalFragmentationCodeSpace) \ 63 HP(external_fragmentation_map_space, \ 64 V8.MemoryExternalFragmentationMapSpace) \ 65 HP(external_fragmentation_cell_space, \ 66 V8.MemoryExternalFragmentationCellSpace) \ 67 HP(external_fragmentation_property_cell_space, \ 68 V8.MemoryExternalFragmentationPropertyCellSpace) \ 69 HP(external_fragmentation_lo_space, \ 70 V8.MemoryExternalFragmentationLoSpace) \ 71 /* Percentages of heap committed to each space. */ \ 72 HP(heap_fraction_new_space, \ 73 V8.MemoryHeapFractionNewSpace) \ 74 HP(heap_fraction_old_pointer_space, \ 75 V8.MemoryHeapFractionOldPointerSpace) \ 76 HP(heap_fraction_old_data_space, \ 77 V8.MemoryHeapFractionOldDataSpace) \ 78 HP(heap_fraction_code_space, \ 79 V8.MemoryHeapFractionCodeSpace) \ 80 HP(heap_fraction_map_space, \ 81 V8.MemoryHeapFractionMapSpace) \ 82 HP(heap_fraction_cell_space, \ 83 V8.MemoryHeapFractionCellSpace) \ 84 HP(heap_fraction_property_cell_space, \ 85 V8.MemoryHeapFractionPropertyCellSpace) \ 86 HP(heap_fraction_lo_space, \ 87 V8.MemoryHeapFractionLoSpace) \ 88 /* Percentage of crankshafted codegen. */ \ 89 HP(codegen_fraction_crankshaft, \ 90 V8.CodegenFractionCrankshaft) \ 91 92 93#define HISTOGRAM_MEMORY_LIST(HM) \ 94 HM(heap_sample_total_committed, V8.MemoryHeapSampleTotalCommitted) \ 95 HM(heap_sample_total_used, V8.MemoryHeapSampleTotalUsed) \ 96 HM(heap_sample_map_space_committed, \ 97 V8.MemoryHeapSampleMapSpaceCommitted) \ 98 HM(heap_sample_cell_space_committed, \ 99 V8.MemoryHeapSampleCellSpaceCommitted) \ 100 HM(heap_sample_property_cell_space_committed, \ 101 V8.MemoryHeapSamplePropertyCellSpaceCommitted) \ 102 HM(heap_sample_code_space_committed, \ 103 V8.MemoryHeapSampleCodeSpaceCommitted) \ 104 HM(heap_sample_maximum_committed, \ 105 V8.MemoryHeapSampleMaximumCommitted) \ 106 107 108// WARNING: STATS_COUNTER_LIST_* is a very large macro that is causing MSVC 109// Intellisense to crash. It was broken into two macros (each of length 40 110// lines) rather than one macro (of length about 80 lines) to work around 111// this problem. Please avoid using recursive macros of this length when 112// possible. 113#define STATS_COUNTER_LIST_1(SC) \ 114 /* Global Handle Count*/ \ 115 SC(global_handles, V8.GlobalHandles) \ 116 /* OS Memory allocated */ \ 117 SC(memory_allocated, V8.OsMemoryAllocated) \ 118 SC(normalized_maps, V8.NormalizedMaps) \ 119 SC(props_to_dictionary, V8.ObjectPropertiesToDictionary) \ 120 SC(elements_to_dictionary, V8.ObjectElementsToDictionary) \ 121 SC(alive_after_last_gc, V8.AliveAfterLastGC) \ 122 SC(objs_since_last_young, V8.ObjsSinceLastYoung) \ 123 SC(objs_since_last_full, V8.ObjsSinceLastFull) \ 124 SC(string_table_capacity, V8.StringTableCapacity) \ 125 SC(number_of_symbols, V8.NumberOfSymbols) \ 126 SC(script_wrappers, V8.ScriptWrappers) \ 127 SC(call_initialize_stubs, V8.CallInitializeStubs) \ 128 SC(call_premonomorphic_stubs, V8.CallPreMonomorphicStubs) \ 129 SC(call_normal_stubs, V8.CallNormalStubs) \ 130 SC(call_megamorphic_stubs, V8.CallMegamorphicStubs) \ 131 SC(arguments_adaptors, V8.ArgumentsAdaptors) \ 132 SC(compilation_cache_hits, V8.CompilationCacheHits) \ 133 SC(compilation_cache_misses, V8.CompilationCacheMisses) \ 134 SC(string_ctor_calls, V8.StringConstructorCalls) \ 135 SC(string_ctor_conversions, V8.StringConstructorConversions) \ 136 SC(string_ctor_cached_number, V8.StringConstructorCachedNumber) \ 137 SC(string_ctor_string_value, V8.StringConstructorStringValue) \ 138 SC(string_ctor_gc_required, V8.StringConstructorGCRequired) \ 139 /* Amount of evaled source code. */ \ 140 SC(total_eval_size, V8.TotalEvalSize) \ 141 /* Amount of loaded source code. */ \ 142 SC(total_load_size, V8.TotalLoadSize) \ 143 /* Amount of parsed source code. */ \ 144 SC(total_parse_size, V8.TotalParseSize) \ 145 /* Amount of source code skipped over using preparsing. */ \ 146 SC(total_preparse_skipped, V8.TotalPreparseSkipped) \ 147 /* Number of symbol lookups skipped using preparsing */ \ 148 SC(total_preparse_symbols_skipped, V8.TotalPreparseSymbolSkipped) \ 149 /* Amount of compiled source code. */ \ 150 SC(total_compile_size, V8.TotalCompileSize) \ 151 /* Amount of source code compiled with the full codegen. */ \ 152 SC(total_full_codegen_source_size, V8.TotalFullCodegenSourceSize) \ 153 /* Number of contexts created from scratch. */ \ 154 SC(contexts_created_from_scratch, V8.ContextsCreatedFromScratch) \ 155 /* Number of contexts created by partial snapshot. */ \ 156 SC(contexts_created_by_snapshot, V8.ContextsCreatedBySnapshot) \ 157 /* Number of code objects found from pc. */ \ 158 SC(pc_to_code, V8.PcToCode) \ 159 SC(pc_to_code_cached, V8.PcToCodeCached) \ 160 /* The store-buffer implementation of the write barrier. */ \ 161 SC(store_buffer_compactions, V8.StoreBufferCompactions) \ 162 SC(store_buffer_overflows, V8.StoreBufferOverflows) 163 164 165#define STATS_COUNTER_LIST_2(SC) \ 166 /* Number of code stubs. */ \ 167 SC(code_stubs, V8.CodeStubs) \ 168 /* Amount of stub code. */ \ 169 SC(total_stubs_code_size, V8.TotalStubsCodeSize) \ 170 /* Amount of (JS) compiled code. */ \ 171 SC(total_compiled_code_size, V8.TotalCompiledCodeSize) \ 172 SC(gc_compactor_caused_by_request, V8.GCCompactorCausedByRequest) \ 173 SC(gc_compactor_caused_by_promoted_data, \ 174 V8.GCCompactorCausedByPromotedData) \ 175 SC(gc_compactor_caused_by_oldspace_exhaustion, \ 176 V8.GCCompactorCausedByOldspaceExhaustion) \ 177 SC(gc_last_resort_from_js, V8.GCLastResortFromJS) \ 178 SC(gc_last_resort_from_handles, V8.GCLastResortFromHandles) \ 179 /* How is the generic keyed-load stub used? */ \ 180 SC(keyed_load_generic_smi, V8.KeyedLoadGenericSmi) \ 181 SC(keyed_load_generic_symbol, V8.KeyedLoadGenericSymbol) \ 182 SC(keyed_load_generic_lookup_cache, V8.KeyedLoadGenericLookupCache) \ 183 SC(keyed_load_generic_slow, V8.KeyedLoadGenericSlow) \ 184 SC(keyed_load_polymorphic_stubs, V8.KeyedLoadPolymorphicStubs) \ 185 SC(keyed_load_external_array_slow, V8.KeyedLoadExternalArraySlow) \ 186 /* How is the generic keyed-call stub used? */ \ 187 SC(keyed_call_generic_smi_fast, V8.KeyedCallGenericSmiFast) \ 188 SC(keyed_call_generic_smi_dict, V8.KeyedCallGenericSmiDict) \ 189 SC(keyed_call_generic_lookup_cache, V8.KeyedCallGenericLookupCache) \ 190 SC(keyed_call_generic_lookup_dict, V8.KeyedCallGenericLookupDict) \ 191 SC(keyed_call_generic_slow, V8.KeyedCallGenericSlow) \ 192 SC(keyed_call_generic_slow_load, V8.KeyedCallGenericSlowLoad) \ 193 SC(named_load_global_stub, V8.NamedLoadGlobalStub) \ 194 SC(named_store_global_inline, V8.NamedStoreGlobalInline) \ 195 SC(named_store_global_inline_miss, V8.NamedStoreGlobalInlineMiss) \ 196 SC(keyed_store_polymorphic_stubs, V8.KeyedStorePolymorphicStubs) \ 197 SC(keyed_store_external_array_slow, V8.KeyedStoreExternalArraySlow) \ 198 SC(store_normal_miss, V8.StoreNormalMiss) \ 199 SC(store_normal_hit, V8.StoreNormalHit) \ 200 SC(cow_arrays_created_stub, V8.COWArraysCreatedStub) \ 201 SC(cow_arrays_created_runtime, V8.COWArraysCreatedRuntime) \ 202 SC(cow_arrays_converted, V8.COWArraysConverted) \ 203 SC(call_miss, V8.CallMiss) \ 204 SC(keyed_call_miss, V8.KeyedCallMiss) \ 205 SC(load_miss, V8.LoadMiss) \ 206 SC(keyed_load_miss, V8.KeyedLoadMiss) \ 207 SC(call_const, V8.CallConst) \ 208 SC(call_const_fast_api, V8.CallConstFastApi) \ 209 SC(call_const_interceptor, V8.CallConstInterceptor) \ 210 SC(call_const_interceptor_fast_api, V8.CallConstInterceptorFastApi) \ 211 SC(call_global_inline, V8.CallGlobalInline) \ 212 SC(call_global_inline_miss, V8.CallGlobalInlineMiss) \ 213 SC(constructed_objects, V8.ConstructedObjects) \ 214 SC(constructed_objects_runtime, V8.ConstructedObjectsRuntime) \ 215 SC(negative_lookups, V8.NegativeLookups) \ 216 SC(negative_lookups_miss, V8.NegativeLookupsMiss) \ 217 SC(megamorphic_stub_cache_probes, V8.MegamorphicStubCacheProbes) \ 218 SC(megamorphic_stub_cache_misses, V8.MegamorphicStubCacheMisses) \ 219 SC(megamorphic_stub_cache_updates, V8.MegamorphicStubCacheUpdates) \ 220 SC(array_function_runtime, V8.ArrayFunctionRuntime) \ 221 SC(array_function_native, V8.ArrayFunctionNative) \ 222 SC(for_in, V8.ForIn) \ 223 SC(enum_cache_hits, V8.EnumCacheHits) \ 224 SC(enum_cache_misses, V8.EnumCacheMisses) \ 225 SC(zone_segment_bytes, V8.ZoneSegmentBytes) \ 226 SC(fast_new_closure_total, V8.FastNewClosureTotal) \ 227 SC(fast_new_closure_try_optimized, V8.FastNewClosureTryOptimized) \ 228 SC(fast_new_closure_install_optimized, V8.FastNewClosureInstallOptimized) \ 229 SC(string_add_runtime, V8.StringAddRuntime) \ 230 SC(string_add_native, V8.StringAddNative) \ 231 SC(string_add_runtime_ext_to_ascii, V8.StringAddRuntimeExtToAscii) \ 232 SC(sub_string_runtime, V8.SubStringRuntime) \ 233 SC(sub_string_native, V8.SubStringNative) \ 234 SC(string_add_make_two_char, V8.StringAddMakeTwoChar) \ 235 SC(string_compare_native, V8.StringCompareNative) \ 236 SC(string_compare_runtime, V8.StringCompareRuntime) \ 237 SC(regexp_entry_runtime, V8.RegExpEntryRuntime) \ 238 SC(regexp_entry_native, V8.RegExpEntryNative) \ 239 SC(number_to_string_native, V8.NumberToStringNative) \ 240 SC(number_to_string_runtime, V8.NumberToStringRuntime) \ 241 SC(math_acos, V8.MathAcos) \ 242 SC(math_asin, V8.MathAsin) \ 243 SC(math_atan, V8.MathAtan) \ 244 SC(math_atan2, V8.MathAtan2) \ 245 SC(math_cos, V8.MathCos) \ 246 SC(math_exp, V8.MathExp) \ 247 SC(math_floor, V8.MathFloor) \ 248 SC(math_log, V8.MathLog) \ 249 SC(math_pow, V8.MathPow) \ 250 SC(math_round, V8.MathRound) \ 251 SC(math_sin, V8.MathSin) \ 252 SC(math_sqrt, V8.MathSqrt) \ 253 SC(math_tan, V8.MathTan) \ 254 SC(transcendental_cache_hit, V8.TranscendentalCacheHit) \ 255 SC(transcendental_cache_miss, V8.TranscendentalCacheMiss) \ 256 SC(stack_interrupts, V8.StackInterrupts) \ 257 SC(runtime_profiler_ticks, V8.RuntimeProfilerTicks) \ 258 SC(bounds_checks_eliminated, V8.BoundsChecksEliminated) \ 259 SC(bounds_checks_hoisted, V8.BoundsChecksHoisted) \ 260 SC(soft_deopts_requested, V8.SoftDeoptsRequested) \ 261 SC(soft_deopts_inserted, V8.SoftDeoptsInserted) \ 262 SC(soft_deopts_executed, V8.SoftDeoptsExecuted) \ 263 /* Number of write barriers in generated code. */ \ 264 SC(write_barriers_dynamic, V8.WriteBarriersDynamic) \ 265 SC(write_barriers_static, V8.WriteBarriersStatic) \ 266 SC(new_space_bytes_available, V8.MemoryNewSpaceBytesAvailable) \ 267 SC(new_space_bytes_committed, V8.MemoryNewSpaceBytesCommitted) \ 268 SC(new_space_bytes_used, V8.MemoryNewSpaceBytesUsed) \ 269 SC(old_pointer_space_bytes_available, \ 270 V8.MemoryOldPointerSpaceBytesAvailable) \ 271 SC(old_pointer_space_bytes_committed, \ 272 V8.MemoryOldPointerSpaceBytesCommitted) \ 273 SC(old_pointer_space_bytes_used, V8.MemoryOldPointerSpaceBytesUsed) \ 274 SC(old_data_space_bytes_available, V8.MemoryOldDataSpaceBytesAvailable) \ 275 SC(old_data_space_bytes_committed, V8.MemoryOldDataSpaceBytesCommitted) \ 276 SC(old_data_space_bytes_used, V8.MemoryOldDataSpaceBytesUsed) \ 277 SC(code_space_bytes_available, V8.MemoryCodeSpaceBytesAvailable) \ 278 SC(code_space_bytes_committed, V8.MemoryCodeSpaceBytesCommitted) \ 279 SC(code_space_bytes_used, V8.MemoryCodeSpaceBytesUsed) \ 280 SC(map_space_bytes_available, V8.MemoryMapSpaceBytesAvailable) \ 281 SC(map_space_bytes_committed, V8.MemoryMapSpaceBytesCommitted) \ 282 SC(map_space_bytes_used, V8.MemoryMapSpaceBytesUsed) \ 283 SC(cell_space_bytes_available, V8.MemoryCellSpaceBytesAvailable) \ 284 SC(cell_space_bytes_committed, V8.MemoryCellSpaceBytesCommitted) \ 285 SC(cell_space_bytes_used, V8.MemoryCellSpaceBytesUsed) \ 286 SC(property_cell_space_bytes_available, \ 287 V8.MemoryPropertyCellSpaceBytesAvailable) \ 288 SC(property_cell_space_bytes_committed, \ 289 V8.MemoryPropertyCellSpaceBytesCommitted) \ 290 SC(property_cell_space_bytes_used, \ 291 V8.MemoryPropertyCellSpaceBytesUsed) \ 292 SC(lo_space_bytes_available, V8.MemoryLoSpaceBytesAvailable) \ 293 SC(lo_space_bytes_committed, V8.MemoryLoSpaceBytesCommitted) \ 294 SC(lo_space_bytes_used, V8.MemoryLoSpaceBytesUsed) 295 296 297// This file contains all the v8 counters that are in use. 298class Counters { 299 public: 300#define HT(name, caption) \ 301 HistogramTimer* name() { return &name##_; } 302 HISTOGRAM_TIMER_LIST(HT) 303#undef HT 304 305#define HP(name, caption) \ 306 Histogram* name() { return &name##_; } 307 HISTOGRAM_PERCENTAGE_LIST(HP) 308#undef HP 309 310#define HM(name, caption) \ 311 Histogram* name() { return &name##_; } 312 HISTOGRAM_MEMORY_LIST(HM) 313#undef HM 314 315#define SC(name, caption) \ 316 StatsCounter* name() { return &name##_; } 317 STATS_COUNTER_LIST_1(SC) 318 STATS_COUNTER_LIST_2(SC) 319#undef SC 320 321#define SC(name) \ 322 StatsCounter* count_of_##name() { return &count_of_##name##_; } \ 323 StatsCounter* size_of_##name() { return &size_of_##name##_; } 324 INSTANCE_TYPE_LIST(SC) 325#undef SC 326 327#define SC(name) \ 328 StatsCounter* count_of_CODE_TYPE_##name() \ 329 { return &count_of_CODE_TYPE_##name##_; } \ 330 StatsCounter* size_of_CODE_TYPE_##name() \ 331 { return &size_of_CODE_TYPE_##name##_; } 332 CODE_KIND_LIST(SC) 333#undef SC 334 335#define SC(name) \ 336 StatsCounter* count_of_FIXED_ARRAY_##name() \ 337 { return &count_of_FIXED_ARRAY_##name##_; } \ 338 StatsCounter* size_of_FIXED_ARRAY_##name() \ 339 { return &size_of_FIXED_ARRAY_##name##_; } 340 FIXED_ARRAY_SUB_INSTANCE_TYPE_LIST(SC) 341#undef SC 342 343#define SC(name) \ 344 StatsCounter* count_of_CODE_AGE_##name() \ 345 { return &count_of_CODE_AGE_##name##_; } \ 346 StatsCounter* size_of_CODE_AGE_##name() \ 347 { return &size_of_CODE_AGE_##name##_; } 348 CODE_AGE_LIST_COMPLETE(SC) 349#undef SC 350 351 enum Id { 352#define RATE_ID(name, caption) k_##name, 353 HISTOGRAM_TIMER_LIST(RATE_ID) 354#undef RATE_ID 355#define PERCENTAGE_ID(name, caption) k_##name, 356 HISTOGRAM_PERCENTAGE_LIST(PERCENTAGE_ID) 357#undef PERCENTAGE_ID 358#define MEMORY_ID(name, caption) k_##name, 359 HISTOGRAM_MEMORY_LIST(MEMORY_ID) 360#undef MEMORY_ID 361#define COUNTER_ID(name, caption) k_##name, 362 STATS_COUNTER_LIST_1(COUNTER_ID) 363 STATS_COUNTER_LIST_2(COUNTER_ID) 364#undef COUNTER_ID 365#define COUNTER_ID(name) kCountOf##name, kSizeOf##name, 366 INSTANCE_TYPE_LIST(COUNTER_ID) 367#undef COUNTER_ID 368#define COUNTER_ID(name) kCountOfCODE_TYPE_##name, \ 369 kSizeOfCODE_TYPE_##name, 370 CODE_KIND_LIST(COUNTER_ID) 371#undef COUNTER_ID 372#define COUNTER_ID(name) kCountOfFIXED_ARRAY__##name, \ 373 kSizeOfFIXED_ARRAY__##name, 374 FIXED_ARRAY_SUB_INSTANCE_TYPE_LIST(COUNTER_ID) 375#undef COUNTER_ID 376#define COUNTER_ID(name) kCountOfCODE_AGE__##name, \ 377 kSizeOfCODE_AGE__##name, 378 CODE_AGE_LIST_COMPLETE(COUNTER_ID) 379#undef COUNTER_ID 380 stats_counter_count 381 }; 382 383 void ResetHistograms(); 384 385 private: 386#define HT(name, caption) \ 387 HistogramTimer name##_; 388 HISTOGRAM_TIMER_LIST(HT) 389#undef HT 390 391#define HP(name, caption) \ 392 Histogram name##_; 393 HISTOGRAM_PERCENTAGE_LIST(HP) 394#undef HP 395 396#define HM(name, caption) \ 397 Histogram name##_; 398 HISTOGRAM_MEMORY_LIST(HM) 399#undef HM 400 401#define SC(name, caption) \ 402 StatsCounter name##_; 403 STATS_COUNTER_LIST_1(SC) 404 STATS_COUNTER_LIST_2(SC) 405#undef SC 406 407#define SC(name) \ 408 StatsCounter size_of_##name##_; \ 409 StatsCounter count_of_##name##_; 410 INSTANCE_TYPE_LIST(SC) 411#undef SC 412 413#define SC(name) \ 414 StatsCounter size_of_CODE_TYPE_##name##_; \ 415 StatsCounter count_of_CODE_TYPE_##name##_; 416 CODE_KIND_LIST(SC) 417#undef SC 418 419#define SC(name) \ 420 StatsCounter size_of_FIXED_ARRAY_##name##_; \ 421 StatsCounter count_of_FIXED_ARRAY_##name##_; 422 FIXED_ARRAY_SUB_INSTANCE_TYPE_LIST(SC) 423#undef SC 424 425#define SC(name) \ 426 StatsCounter size_of_CODE_AGE_##name##_; \ 427 StatsCounter count_of_CODE_AGE_##name##_; 428 CODE_AGE_LIST_COMPLETE(SC) 429#undef SC 430 431 friend class Isolate; 432 433 explicit Counters(Isolate* isolate); 434 435 DISALLOW_IMPLICIT_CONSTRUCTORS(Counters); 436}; 437 438} } // namespace v8::internal 439 440#endif // V8_V8_COUNTERS_H_ 441