diff options
Diffstat (limited to 'deps/v8/src/heap/object-stats.h')
| -rw-r--r-- | deps/v8/src/heap/object-stats.h | 88 |
1 files changed, 64 insertions, 24 deletions
diff --git a/deps/v8/src/heap/object-stats.h b/deps/v8/src/heap/object-stats.h index 500ce36bd9..723ae53fd5 100644 --- a/deps/v8/src/heap/object-stats.h +++ b/deps/v8/src/heap/object-stats.h @@ -5,13 +5,8 @@ #ifndef V8_HEAP_OBJECT_STATS_H_ #define V8_HEAP_OBJECT_STATS_H_ -#include <set> - -#include "src/base/ieee754.h" -#include "src/heap/heap.h" -#include "src/heap/mark-compact.h" -#include "src/heap/objects-visiting.h" #include "src/objects.h" +#include "src/objects/code.h" // These instance types do not exist for actual use but are merely introduced // for object stats tracing. In contrast to Code and FixedArray sub types @@ -19,18 +14,71 @@ // tracing. // // Update LAST_VIRTUAL_TYPE below when changing this macro. -#define VIRTUAL_INSTANCE_TYPE_LIST(V) \ - V(BOILERPLATE_ELEMENTS_TYPE) \ - V(BOILERPLATE_NAME_DICTIONARY_TYPE) \ - V(BOILERPLATE_PROPERTY_ARRAY_TYPE) \ - V(JS_ARRAY_BOILERPLATE_TYPE) \ - V(JS_OBJECT_BOILERPLATE_TYPE) +#define VIRTUAL_INSTANCE_TYPE_LIST(V) \ + CODE_KIND_LIST(V) \ + V(BOILERPLATE_ELEMENTS_TYPE) \ + V(BOILERPLATE_PROPERTY_ARRAY_TYPE) \ + V(BOILERPLATE_PROPERTY_DICTIONARY_TYPE) \ + V(BYTECODE_ARRAY_CONSTANT_POOL_TYPE) \ + V(BYTECODE_ARRAY_HANDLER_TABLE_TYPE) \ + V(CODE_STUBS_TABLE_TYPE) \ + V(COW_ARRAY_TYPE) \ + V(DEOPTIMIZATION_DATA_TYPE) \ + V(DEPENDENT_CODE_TYPE) \ + V(ELEMENTS_TYPE) \ + V(EMBEDDED_OBJECT_TYPE) \ + V(ENUM_CACHE_TYPE) \ + V(ENUM_INDICES_CACHE_TYPE) \ + V(FEEDBACK_METADATA_TYPE) \ + V(FEEDBACK_VECTOR_ENTRY_TYPE) \ + V(FEEDBACK_VECTOR_HEADER_TYPE) \ + V(FEEDBACK_VECTOR_SLOT_CALL_TYPE) \ + V(FEEDBACK_VECTOR_SLOT_CALL_UNUSED_TYPE) \ + V(FEEDBACK_VECTOR_SLOT_ENUM_TYPE) \ + V(FEEDBACK_VECTOR_SLOT_LOAD_TYPE) \ + V(FEEDBACK_VECTOR_SLOT_LOAD_UNUSED_TYPE) \ + V(FEEDBACK_VECTOR_SLOT_OTHER_TYPE) \ + V(FEEDBACK_VECTOR_SLOT_STORE_TYPE) \ + V(FEEDBACK_VECTOR_SLOT_STORE_UNUSED_TYPE) \ + V(FUNCTION_CONTEXT_TYPE) \ + V(FUNCTION_TEMPLATE_INFO_ENTRIES_TYPE) \ + V(GLOBAL_ELEMENTS_TYPE) \ + V(GLOBAL_PROPERTIES_TYPE) \ + V(JS_ARRAY_BOILERPLATE_TYPE) \ + V(JS_COLLETION_TABLE_TYPE) \ + V(JS_OBJECT_BOILERPLATE_TYPE) \ + V(NATIVE_CONTEXT_TYPE) \ + V(NOSCRIPT_SHARED_FUNCTION_INFOS_TYPE) \ + V(NUMBER_STRING_CACHE_TYPE) \ + V(OBJECT_PROPERTY_DICTIONARY_TYPE) \ + V(OBJECT_TO_CODE_TYPE) \ + V(OPTIMIZED_CODE_LITERALS_TYPE) \ + V(OTHER_CONTEXT_TYPE) \ + V(PROTOTYPE_USERS_TYPE) \ + V(REGEXP_MULTIPLE_CACHE_TYPE) \ + V(RETAINED_MAPS_TYPE) \ + V(SCRIPT_LIST_TYPE) \ + V(SCRIPT_SHARED_FUNCTION_INFOS_TYPE) \ + V(SCRIPT_SOURCE_EXTERNAL_TYPE) \ + V(SCRIPT_SOURCE_NON_EXTERNAL_TYPE) \ + V(SERIALIZED_OBJECTS_TYPE) \ + V(SINGLE_CHARACTER_STRING_CACHE_TYPE) \ + V(STRING_SPLIT_CACHE_TYPE) \ + V(STRING_TABLE_TYPE) \ + V(UNCOMPILED_JS_FUNCTION_TYPE) \ + V(UNCOMPILED_SHARED_FUNCTION_INFO_TYPE) \ + V(WEAK_NEW_SPACE_OBJECT_TO_CODE_TYPE) namespace v8 { namespace internal { +class Heap; +class Isolate; + class ObjectStats { public: + static const size_t kNoOverAllocation = 0; + explicit ObjectStats(Heap* heap) : heap_(heap) { ClearObjectStats(); } // See description on VIRTUAL_INSTANCE_TYPE_LIST. @@ -38,18 +86,14 @@ class ObjectStats { #define DEFINE_VIRTUAL_INSTANCE_TYPE(type) type, VIRTUAL_INSTANCE_TYPE_LIST(DEFINE_VIRTUAL_INSTANCE_TYPE) #undef DEFINE_FIXED_ARRAY_SUB_INSTANCE_TYPE - LAST_VIRTUAL_TYPE = JS_OBJECT_BOILERPLATE_TYPE, + LAST_VIRTUAL_TYPE = WEAK_NEW_SPACE_OBJECT_TO_CODE_TYPE, }; // ObjectStats are kept in two arrays, counts and sizes. Related stats are // stored in a contiguous linear buffer. Stats groups are stored one after // another. enum { - FIRST_CODE_KIND_SUB_TYPE = LAST_TYPE + 1, - FIRST_FIXED_ARRAY_SUB_TYPE = - FIRST_CODE_KIND_SUB_TYPE + Code::NUMBER_OF_KINDS, - FIRST_VIRTUAL_TYPE = - FIRST_FIXED_ARRAY_SUB_TYPE + LAST_FIXED_ARRAY_SUB_TYPE + 1, + FIRST_VIRTUAL_TYPE = LAST_TYPE + 1, OBJECT_STATS_COUNT = FIRST_VIRTUAL_TYPE + LAST_VIRTUAL_TYPE + 1, }; @@ -60,10 +104,8 @@ class ObjectStats { void CheckpointObjectStats(); void RecordObjectStats(InstanceType type, size_t size); - void RecordVirtualObjectStats(VirtualInstanceType type, size_t size); - void RecordCodeSubTypeStats(int code_sub_type, size_t size); - bool RecordFixedArraySubTypeStats(FixedArrayBase* array, int array_sub_type, - size_t size, size_t over_allocated); + void RecordVirtualObjectStats(VirtualInstanceType type, size_t size, + size_t over_allocated); size_t object_count_last_gc(size_t index) { return object_counts_last_time_[index]; @@ -105,8 +147,6 @@ class ObjectStats { // Detailed histograms by InstanceType. size_t size_histogram_[OBJECT_STATS_COUNT][kNumberOfBuckets]; size_t over_allocated_histogram_[OBJECT_STATS_COUNT][kNumberOfBuckets]; - - std::set<FixedArrayBase*> visited_fixed_array_sub_types_; }; class ObjectStatsCollector { |