41eb2f22d0
Instead of weak handles external strings use a separate table. This table uses 5 times less memory than weak handles. Moreover, since we don't have to follow the weak handle callback protocol we can collect the strings faster and even on scavenge collections. Review URL: http://codereview.chromium.org/467037 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3439 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
193 lines
10 KiB
C++
193 lines
10 KiB
C++
// Copyright 2007-2008 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef V8_V8_COUNTERS_H_
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#define V8_V8_COUNTERS_H_
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#include "counters.h"
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namespace v8 {
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namespace internal {
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#define HISTOGRAM_TIMER_LIST(HT) \
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/* Garbage collection timers. */ \
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HT(gc_compactor, V8.GCCompactor) \
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HT(gc_scavenger, V8.GCScavenger) \
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HT(gc_context, V8.GCContext) /* GC context cleanup time */ \
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/* Parsing timers. */ \
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HT(parse, V8.Parse) \
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HT(parse_lazy, V8.ParseLazy) \
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HT(pre_parse, V8.PreParse) \
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/* Total compilation times. */ \
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HT(compile, V8.Compile) \
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HT(compile_eval, V8.CompileEval) \
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HT(compile_lazy, V8.CompileLazy) \
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/* Individual compiler passes. */ \
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HT(rewriting, V8.Rewriting) \
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HT(usage_analysis, V8.UsageAnalysis) \
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HT(variable_allocation, V8.VariableAllocation) \
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HT(ast_optimization, V8.ASTOptimization) \
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HT(code_generation, V8.CodeGeneration) \
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HT(deferred_code_generation, V8.DeferredCodeGeneration)
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// WARNING: STATS_COUNTER_LIST_* is a very large macro that is causing MSVC
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// Intellisense to crash. It was broken into two macros (each of length 40
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// lines) rather than one macro (of length about 80 lines) to work around
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// this problem. Please avoid using recursive macros of this length when
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// possible.
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#define STATS_COUNTER_LIST_1(SC) \
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/* Global Handle Count*/ \
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SC(global_handles, V8.GlobalHandles) \
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/* Mallocs from PCRE */ \
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SC(pcre_mallocs, V8.PcreMallocCount) \
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/* OS Memory allocated */ \
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SC(memory_allocated, V8.OsMemoryAllocated) \
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SC(props_to_dictionary, V8.ObjectPropertiesToDictionary) \
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SC(elements_to_dictionary, V8.ObjectElementsToDictionary) \
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SC(alive_after_last_gc, V8.AliveAfterLastGC) \
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SC(objs_since_last_young, V8.ObjsSinceLastYoung) \
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SC(objs_since_last_full, V8.ObjsSinceLastFull) \
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SC(symbol_table_capacity, V8.SymbolTableCapacity) \
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SC(number_of_symbols, V8.NumberOfSymbols) \
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SC(script_wrappers, V8.ScriptWrappers) \
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SC(call_initialize_stubs, V8.CallInitializeStubs) \
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SC(call_premonomorphic_stubs, V8.CallPreMonomorphicStubs) \
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SC(call_normal_stubs, V8.CallNormalStubs) \
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SC(call_megamorphic_stubs, V8.CallMegamorphicStubs) \
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SC(arguments_adaptors, V8.ArgumentsAdaptors) \
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SC(compilation_cache_hits, V8.CompilationCacheHits) \
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SC(compilation_cache_misses, V8.CompilationCacheMisses) \
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SC(regexp_cache_hits, V8.RegExpCacheHits) \
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SC(regexp_cache_misses, V8.RegExpCacheMisses) \
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/* Amount of evaled source code. */ \
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SC(total_eval_size, V8.TotalEvalSize) \
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/* Amount of loaded source code. */ \
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SC(total_load_size, V8.TotalLoadSize) \
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/* Amount of parsed source code. */ \
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SC(total_parse_size, V8.TotalParseSize) \
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/* Amount of source code skipped over using preparsing. */ \
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SC(total_preparse_skipped, V8.TotalPreparseSkipped) \
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/* Amount of compiled source code. */ \
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SC(total_compile_size, V8.TotalCompileSize)
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#define STATS_COUNTER_LIST_2(SC) \
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/* Number of code stubs. */ \
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SC(code_stubs, V8.CodeStubs) \
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/* Amount of stub code. */ \
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SC(total_stubs_code_size, V8.TotalStubsCodeSize) \
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/* Amount of (JS) compiled code. */ \
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SC(total_compiled_code_size, V8.TotalCompiledCodeSize) \
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SC(gc_compactor_caused_by_request, V8.GCCompactorCausedByRequest) \
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SC(gc_compactor_caused_by_promoted_data, \
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V8.GCCompactorCausedByPromotedData) \
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SC(gc_compactor_caused_by_oldspace_exhaustion, \
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V8.GCCompactorCausedByOldspaceExhaustion) \
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SC(gc_compactor_caused_by_weak_handles, \
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V8.GCCompactorCausedByWeakHandles) \
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SC(gc_last_resort_from_js, V8.GCLastResortFromJS) \
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SC(gc_last_resort_from_handles, V8.GCLastResortFromHandles) \
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/* How is the generic keyed-load stub used? */ \
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SC(keyed_load_generic_smi, V8.KeyedLoadGenericSmi) \
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SC(keyed_load_generic_symbol, V8.KeyedLoadGenericSymbol) \
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SC(keyed_load_generic_slow, V8.KeyedLoadGenericSlow) \
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SC(keyed_load_external_array_slow, V8.KeyedLoadExternalArraySlow) \
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/* Count how much the monomorphic keyed-load stubs are hit. */ \
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SC(keyed_load_function_prototype, V8.KeyedLoadFunctionPrototype) \
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SC(keyed_load_string_length, V8.KeyedLoadStringLength) \
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SC(keyed_load_array_length, V8.KeyedLoadArrayLength) \
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SC(keyed_load_constant_function, V8.KeyedLoadConstantFunction) \
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SC(keyed_load_field, V8.KeyedLoadField) \
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SC(keyed_load_callback, V8.KeyedLoadCallback) \
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SC(keyed_load_interceptor, V8.KeyedLoadInterceptor) \
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SC(keyed_load_inline, V8.KeyedLoadInline) \
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SC(keyed_load_inline_miss, V8.KeyedLoadInlineMiss) \
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SC(named_load_inline, V8.NamedLoadInline) \
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SC(named_load_inline_miss, V8.NamedLoadInlineMiss) \
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SC(named_load_global_inline, V8.NamedLoadGlobalInline) \
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SC(named_load_global_inline_miss, V8.NamedLoadGlobalInlineMiss) \
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SC(keyed_store_field, V8.KeyedStoreField) \
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SC(keyed_store_inline, V8.KeyedStoreInline) \
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SC(keyed_store_inline_miss, V8.KeyedStoreInlineMiss) \
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SC(named_store_global_inline, V8.NamedStoreGlobalInline) \
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SC(named_store_global_inline_miss, V8.NamedStoreGlobalInlineMiss) \
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SC(call_global_inline, V8.CallGlobalInline) \
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SC(call_global_inline_miss, V8.CallGlobalInlineMiss) \
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SC(constructed_objects, V8.ConstructedObjects) \
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SC(constructed_objects_runtime, V8.ConstructedObjectsRuntime) \
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SC(constructed_objects_stub, V8.ConstructedObjectsStub) \
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SC(array_function_runtime, V8.ArrayFunctionRuntime) \
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SC(array_function_native, V8.ArrayFunctionNative) \
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SC(for_in, V8.ForIn) \
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SC(enum_cache_hits, V8.EnumCacheHits) \
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SC(enum_cache_misses, V8.EnumCacheMisses) \
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SC(reloc_info_count, V8.RelocInfoCount) \
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SC(reloc_info_size, V8.RelocInfoSize) \
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SC(zone_segment_bytes, V8.ZoneSegmentBytes) \
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SC(compute_entry_frame, V8.ComputeEntryFrame) \
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SC(generic_binary_stub_calls, V8.GenericBinaryStubCalls) \
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SC(generic_binary_stub_calls_regs, V8.GenericBinaryStubCallsRegs) \
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SC(string_add_runtime, V8.StringAddRuntime) \
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SC(string_add_native, V8.StringAddNative)
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// This file contains all the v8 counters that are in use.
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class Counters : AllStatic {
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public:
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#define HT(name, caption) \
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static HistogramTimer name;
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HISTOGRAM_TIMER_LIST(HT)
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#undef HT
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#define SC(name, caption) \
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static StatsCounter name;
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STATS_COUNTER_LIST_1(SC)
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STATS_COUNTER_LIST_2(SC)
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#undef SC
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enum Id {
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#define RATE_ID(name, caption) k_##name,
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HISTOGRAM_TIMER_LIST(RATE_ID)
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#undef RATE_ID
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#define COUNTER_ID(name, caption) k_##name,
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STATS_COUNTER_LIST_1(COUNTER_ID)
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STATS_COUNTER_LIST_2(COUNTER_ID)
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#undef COUNTER_ID
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#define COUNTER_ID(name) k_##name,
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STATE_TAG_LIST(COUNTER_ID)
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#undef COUNTER_ID
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stats_counter_count
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};
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// Sliding state window counters.
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static StatsCounter state_counters[];
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};
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} } // namespace v8::internal
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#endif // V8_V8_COUNTERS_H_
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