1 // Copyright 2012 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "src/extensions/statistics-extension.h" 6 7 namespace v8 { 8 namespace internal { 9 10 const char* const StatisticsExtension::kSource = 11 "native function getV8Statistics();"; 12 13 14 v8::Handle<v8::FunctionTemplate> StatisticsExtension::GetNativeFunctionTemplate( 15 v8::Isolate* isolate, 16 v8::Handle<v8::String> str) { 17 DCHECK(strcmp(*v8::String::Utf8Value(str), "getV8Statistics") == 0); 18 return v8::FunctionTemplate::New(isolate, StatisticsExtension::GetCounters); 19 } 20 21 22 static void AddCounter(v8::Isolate* isolate, 23 v8::Local<v8::Object> object, 24 StatsCounter* counter, 25 const char* name) { 26 if (counter->Enabled()) { 27 object->Set(v8::String::NewFromUtf8(isolate, name), 28 v8::Number::New(isolate, *counter->GetInternalPointer())); 29 } 30 } 31 32 static void AddNumber(v8::Isolate* isolate, 33 v8::Local<v8::Object> object, 34 intptr_t value, 35 const char* name) { 36 object->Set(v8::String::NewFromUtf8(isolate, name), 37 v8::Number::New(isolate, static_cast<double>(value))); 38 } 39 40 41 static void AddNumber64(v8::Isolate* isolate, 42 v8::Local<v8::Object> object, 43 int64_t value, 44 const char* name) { 45 object->Set(v8::String::NewFromUtf8(isolate, name), 46 v8::Number::New(isolate, static_cast<double>(value))); 47 } 48 49 50 void StatisticsExtension::GetCounters( 51 const v8::FunctionCallbackInfo<v8::Value>& args) { 52 Isolate* isolate = reinterpret_cast<Isolate*>(args.GetIsolate()); 53 Heap* heap = isolate->heap(); 54 55 if (args.Length() > 0) { // GC if first argument evaluates to true. 56 if (args[0]->IsBoolean() && args[0]->ToBoolean()->Value()) { 57 heap->CollectAllGarbage(Heap::kNoGCFlags, "counters extension"); 58 } 59 } 60 61 Counters* counters = isolate->counters(); 62 v8::Local<v8::Object> result = v8::Object::New(args.GetIsolate()); 63 64 #define ADD_COUNTER(name, caption) \ 65 AddCounter(args.GetIsolate(), result, counters->name(), #name); 66 67 STATS_COUNTER_LIST_1(ADD_COUNTER) 68 STATS_COUNTER_LIST_2(ADD_COUNTER) 69 #undef ADD_COUNTER 70 #define ADD_COUNTER(name) \ 71 AddCounter(args.GetIsolate(), result, counters->count_of_##name(), \ 72 "count_of_" #name); \ 73 AddCounter(args.GetIsolate(), result, counters->size_of_##name(), \ 74 "size_of_" #name); 75 76 INSTANCE_TYPE_LIST(ADD_COUNTER) 77 #undef ADD_COUNTER 78 #define ADD_COUNTER(name) \ 79 AddCounter(args.GetIsolate(), result, counters->count_of_CODE_TYPE_##name(), \ 80 "count_of_CODE_TYPE_" #name); \ 81 AddCounter(args.GetIsolate(), result, counters->size_of_CODE_TYPE_##name(), \ 82 "size_of_CODE_TYPE_" #name); 83 84 CODE_KIND_LIST(ADD_COUNTER) 85 #undef ADD_COUNTER 86 #define ADD_COUNTER(name) \ 87 AddCounter(args.GetIsolate(), result, \ 88 counters->count_of_FIXED_ARRAY_##name(), \ 89 "count_of_FIXED_ARRAY_" #name); \ 90 AddCounter(args.GetIsolate(), result, \ 91 counters->size_of_FIXED_ARRAY_##name(), \ 92 "size_of_FIXED_ARRAY_" #name); 93 94 FIXED_ARRAY_SUB_INSTANCE_TYPE_LIST(ADD_COUNTER) 95 #undef ADD_COUNTER 96 97 AddNumber(args.GetIsolate(), result, isolate->memory_allocator()->Size(), 98 "total_committed_bytes"); 99 AddNumber(args.GetIsolate(), result, heap->new_space()->Size(), 100 "new_space_live_bytes"); 101 AddNumber(args.GetIsolate(), result, heap->new_space()->Available(), 102 "new_space_available_bytes"); 103 AddNumber(args.GetIsolate(), result, heap->new_space()->CommittedMemory(), 104 "new_space_commited_bytes"); 105 AddNumber(args.GetIsolate(), result, heap->old_pointer_space()->Size(), 106 "old_pointer_space_live_bytes"); 107 AddNumber(args.GetIsolate(), result, heap->old_pointer_space()->Available(), 108 "old_pointer_space_available_bytes"); 109 AddNumber(args.GetIsolate(), result, 110 heap->old_pointer_space()->CommittedMemory(), 111 "old_pointer_space_commited_bytes"); 112 AddNumber(args.GetIsolate(), result, heap->old_data_space()->Size(), 113 "old_data_space_live_bytes"); 114 AddNumber(args.GetIsolate(), result, heap->old_data_space()->Available(), 115 "old_data_space_available_bytes"); 116 AddNumber(args.GetIsolate(), result, 117 heap->old_data_space()->CommittedMemory(), 118 "old_data_space_commited_bytes"); 119 AddNumber(args.GetIsolate(), result, heap->code_space()->Size(), 120 "code_space_live_bytes"); 121 AddNumber(args.GetIsolate(), result, heap->code_space()->Available(), 122 "code_space_available_bytes"); 123 AddNumber(args.GetIsolate(), result, heap->code_space()->CommittedMemory(), 124 "code_space_commited_bytes"); 125 AddNumber(args.GetIsolate(), result, heap->cell_space()->Size(), 126 "cell_space_live_bytes"); 127 AddNumber(args.GetIsolate(), result, heap->cell_space()->Available(), 128 "cell_space_available_bytes"); 129 AddNumber(args.GetIsolate(), result, heap->cell_space()->CommittedMemory(), 130 "cell_space_commited_bytes"); 131 AddNumber(args.GetIsolate(), result, heap->property_cell_space()->Size(), 132 "property_cell_space_live_bytes"); 133 AddNumber(args.GetIsolate(), result, heap->property_cell_space()->Available(), 134 "property_cell_space_available_bytes"); 135 AddNumber(args.GetIsolate(), result, 136 heap->property_cell_space()->CommittedMemory(), 137 "property_cell_space_commited_bytes"); 138 AddNumber(args.GetIsolate(), result, heap->lo_space()->Size(), 139 "lo_space_live_bytes"); 140 AddNumber(args.GetIsolate(), result, heap->lo_space()->Available(), 141 "lo_space_available_bytes"); 142 AddNumber(args.GetIsolate(), result, heap->lo_space()->CommittedMemory(), 143 "lo_space_commited_bytes"); 144 AddNumber64(args.GetIsolate(), result, 145 heap->amount_of_external_allocated_memory(), 146 "amount_of_external_allocated_memory"); 147 args.GetReturnValue().Set(result); 148 } 149 150 } } // namespace v8::internal 151
