| // Copyright 2012 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "src/extensions/statistics-extension.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| const char* const StatisticsExtension::kSource = |
| "native function getV8Statistics();"; |
| |
| |
| v8::Handle<v8::FunctionTemplate> StatisticsExtension::GetNativeFunctionTemplate( |
| v8::Isolate* isolate, |
| v8::Handle<v8::String> str) { |
| DCHECK(strcmp(*v8::String::Utf8Value(str), "getV8Statistics") == 0); |
| return v8::FunctionTemplate::New(isolate, StatisticsExtension::GetCounters); |
| } |
| |
| |
| static void AddCounter(v8::Isolate* isolate, |
| v8::Local<v8::Object> object, |
| StatsCounter* counter, |
| const char* name) { |
| if (counter->Enabled()) { |
| object->Set(v8::String::NewFromUtf8(isolate, name), |
| v8::Number::New(isolate, *counter->GetInternalPointer())); |
| } |
| } |
| |
| static void AddNumber(v8::Isolate* isolate, |
| v8::Local<v8::Object> object, |
| intptr_t value, |
| const char* name) { |
| object->Set(v8::String::NewFromUtf8(isolate, name), |
| v8::Number::New(isolate, static_cast<double>(value))); |
| } |
| |
| |
| static void AddNumber64(v8::Isolate* isolate, |
| v8::Local<v8::Object> object, |
| int64_t value, |
| const char* name) { |
| object->Set(v8::String::NewFromUtf8(isolate, name), |
| v8::Number::New(isolate, static_cast<double>(value))); |
| } |
| |
| |
| void StatisticsExtension::GetCounters( |
| const v8::FunctionCallbackInfo<v8::Value>& args) { |
| Isolate* isolate = reinterpret_cast<Isolate*>(args.GetIsolate()); |
| Heap* heap = isolate->heap(); |
| |
| if (args.Length() > 0) { // GC if first argument evaluates to true. |
| if (args[0]->IsBoolean() && |
| args[0]->ToBoolean(args.GetIsolate())->Value()) { |
| heap->CollectAllGarbage(Heap::kNoGCFlags, "counters extension"); |
| } |
| } |
| |
| Counters* counters = isolate->counters(); |
| v8::Local<v8::Object> result = v8::Object::New(args.GetIsolate()); |
| |
| #define ADD_COUNTER(name, caption) \ |
| AddCounter(args.GetIsolate(), result, counters->name(), #name); |
| |
| STATS_COUNTER_LIST_1(ADD_COUNTER) |
| STATS_COUNTER_LIST_2(ADD_COUNTER) |
| #undef ADD_COUNTER |
| #define ADD_COUNTER(name) \ |
| AddCounter(args.GetIsolate(), result, counters->count_of_##name(), \ |
| "count_of_" #name); \ |
| AddCounter(args.GetIsolate(), result, counters->size_of_##name(), \ |
| "size_of_" #name); |
| |
| INSTANCE_TYPE_LIST(ADD_COUNTER) |
| #undef ADD_COUNTER |
| #define ADD_COUNTER(name) \ |
| AddCounter(args.GetIsolate(), result, counters->count_of_CODE_TYPE_##name(), \ |
| "count_of_CODE_TYPE_" #name); \ |
| AddCounter(args.GetIsolate(), result, counters->size_of_CODE_TYPE_##name(), \ |
| "size_of_CODE_TYPE_" #name); |
| |
| CODE_KIND_LIST(ADD_COUNTER) |
| #undef ADD_COUNTER |
| #define ADD_COUNTER(name) \ |
| AddCounter(args.GetIsolate(), result, \ |
| counters->count_of_FIXED_ARRAY_##name(), \ |
| "count_of_FIXED_ARRAY_" #name); \ |
| AddCounter(args.GetIsolate(), result, \ |
| counters->size_of_FIXED_ARRAY_##name(), \ |
| "size_of_FIXED_ARRAY_" #name); |
| |
| FIXED_ARRAY_SUB_INSTANCE_TYPE_LIST(ADD_COUNTER) |
| #undef ADD_COUNTER |
| |
| AddNumber(args.GetIsolate(), result, isolate->memory_allocator()->Size(), |
| "total_committed_bytes"); |
| AddNumber(args.GetIsolate(), result, heap->new_space()->Size(), |
| "new_space_live_bytes"); |
| AddNumber(args.GetIsolate(), result, heap->new_space()->Available(), |
| "new_space_available_bytes"); |
| AddNumber(args.GetIsolate(), result, heap->new_space()->CommittedMemory(), |
| "new_space_commited_bytes"); |
| AddNumber(args.GetIsolate(), result, heap->old_pointer_space()->Size(), |
| "old_pointer_space_live_bytes"); |
| AddNumber(args.GetIsolate(), result, heap->old_pointer_space()->Available(), |
| "old_pointer_space_available_bytes"); |
| AddNumber(args.GetIsolate(), result, |
| heap->old_pointer_space()->CommittedMemory(), |
| "old_pointer_space_commited_bytes"); |
| AddNumber(args.GetIsolate(), result, heap->old_data_space()->Size(), |
| "old_data_space_live_bytes"); |
| AddNumber(args.GetIsolate(), result, heap->old_data_space()->Available(), |
| "old_data_space_available_bytes"); |
| AddNumber(args.GetIsolate(), result, |
| heap->old_data_space()->CommittedMemory(), |
| "old_data_space_commited_bytes"); |
| AddNumber(args.GetIsolate(), result, heap->code_space()->Size(), |
| "code_space_live_bytes"); |
| AddNumber(args.GetIsolate(), result, heap->code_space()->Available(), |
| "code_space_available_bytes"); |
| AddNumber(args.GetIsolate(), result, heap->code_space()->CommittedMemory(), |
| "code_space_commited_bytes"); |
| AddNumber(args.GetIsolate(), result, heap->cell_space()->Size(), |
| "cell_space_live_bytes"); |
| AddNumber(args.GetIsolate(), result, heap->cell_space()->Available(), |
| "cell_space_available_bytes"); |
| AddNumber(args.GetIsolate(), result, heap->cell_space()->CommittedMemory(), |
| "cell_space_commited_bytes"); |
| AddNumber(args.GetIsolate(), result, heap->property_cell_space()->Size(), |
| "property_cell_space_live_bytes"); |
| AddNumber(args.GetIsolate(), result, heap->property_cell_space()->Available(), |
| "property_cell_space_available_bytes"); |
| AddNumber(args.GetIsolate(), result, |
| heap->property_cell_space()->CommittedMemory(), |
| "property_cell_space_commited_bytes"); |
| AddNumber(args.GetIsolate(), result, heap->lo_space()->Size(), |
| "lo_space_live_bytes"); |
| AddNumber(args.GetIsolate(), result, heap->lo_space()->Available(), |
| "lo_space_available_bytes"); |
| AddNumber(args.GetIsolate(), result, heap->lo_space()->CommittedMemory(), |
| "lo_space_commited_bytes"); |
| AddNumber64(args.GetIsolate(), result, |
| heap->amount_of_external_allocated_memory(), |
| "amount_of_external_allocated_memory"); |
| args.GetReturnValue().Set(result); |
| } |
| |
| } } // namespace v8::internal |