Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame^] | 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 |