| // Copyright 2012 the V8 project authors. All rights reserved. |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following |
| // disclaimer in the documentation and/or other materials provided |
| // with the distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include "statistics-extension.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| const char* const StatisticsExtension::kSource = |
| "native function getV8Statistics();"; |
| |
| |
| v8::Handle<v8::FunctionTemplate> StatisticsExtension::GetNativeFunction( |
| v8::Handle<v8::String> str) { |
| ASSERT(strcmp(*v8::String::AsciiValue(str), "getV8Statistics") == 0); |
| return v8::FunctionTemplate::New(StatisticsExtension::GetCounters); |
| } |
| |
| |
| v8::Handle<v8::Value> StatisticsExtension::GetCounters( |
| const v8::Arguments& args) { |
| Isolate* isolate = Isolate::Current(); |
| Heap* heap = isolate->heap(); |
| if (args.Length() > 0) { // GC if first argument evaluates to true. |
| if (args[0]->IsBoolean() && args[0]->ToBoolean()->Value()) { |
| heap->CollectAllGarbage(Heap::kNoGCFlags, "counters extension"); |
| } |
| } |
| |
| Counters* counters = isolate->counters(); |
| v8::Local<v8::Object> result = v8::Object::New(); |
| |
| StatsCounter* counter = NULL; |
| |
| #define ADD_COUNTER(name, caption) \ |
| counter = counters->name(); \ |
| if (counter->Enabled()) \ |
| result->Set(v8::String::New(#name), \ |
| v8::Number::New(*counter->GetInternalPointer())); |
| |
| STATS_COUNTER_LIST_1(ADD_COUNTER) |
| STATS_COUNTER_LIST_2(ADD_COUNTER) |
| #undef ADD_COUNTER |
| #define ADD_COUNTER(name) \ |
| counter = counters->count_of_##name(); \ |
| if (counter->Enabled()) \ |
| result->Set(v8::String::New("count_of_" #name), \ |
| v8::Number::New(*counter->GetInternalPointer())); \ |
| counter = counters->size_of_##name(); \ |
| if (counter->Enabled()) \ |
| result->Set(v8::String::New("size_of_" #name), \ |
| v8::Number::New(*counter->GetInternalPointer())); |
| |
| INSTANCE_TYPE_LIST(ADD_COUNTER) |
| #undef ADD_COUNTER |
| #define ADD_COUNTER(name) \ |
| result->Set(v8::String::New("count_of_CODE_TYPE_" #name), \ |
| v8::Number::New( \ |
| *counters->count_of_CODE_TYPE_##name()->GetInternalPointer())); \ |
| result->Set(v8::String::New("size_of_CODE_TYPE_" #name), \ |
| v8::Number::New( \ |
| *counters->size_of_CODE_TYPE_##name()->GetInternalPointer())); |
| |
| CODE_KIND_LIST(ADD_COUNTER) |
| #undef ADD_COUNTER |
| #define ADD_COUNTER(name) \ |
| result->Set(v8::String::New("count_of_FIXED_ARRAY_" #name), \ |
| v8::Number::New( \ |
| *counters->count_of_FIXED_ARRAY_##name()->GetInternalPointer())); \ |
| result->Set(v8::String::New("size_of_FIXED_ARRAY_" #name), \ |
| v8::Number::New( \ |
| *counters->size_of_FIXED_ARRAY_##name()->GetInternalPointer())); |
| |
| FIXED_ARRAY_SUB_INSTANCE_TYPE_LIST(ADD_COUNTER) |
| #undef ADD_COUNTER |
| |
| return result; |
| } |
| |
| |
| void StatisticsExtension::Register() { |
| static StatisticsExtension statistics_extension; |
| static v8::DeclareExtension declaration(&statistics_extension); |
| } |
| |
| } } // namespace v8::internal |