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// Copyright (c) 2013 The Chromium 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 "content/renderer/memory_benchmarking_extension.h"
#include "content/common/memory_benchmark_messages.h"
#include "content/renderer/chrome_object_extensions_utils.h"
#include "content/renderer/render_thread_impl.h"
#include "gin/arguments.h"
#include "gin/handle.h"
#include "gin/object_template_builder.h"
#include "third_party/WebKit/public/web/WebFrame.h"
#include "third_party/WebKit/public/web/WebKit.h"
#if defined(USE_TCMALLOC) && (defined(OS_LINUX) || defined(OS_ANDROID))
#include "third_party/tcmalloc/chromium/src/gperftools/heap-profiler.h"
#endif
namespace content {
gin::WrapperInfo MemoryBenchmarkingExtension::kWrapperInfo = {
gin::kEmbedderNativeGin};
// static
void MemoryBenchmarkingExtension::Install(blink::WebFrame* frame) {
v8::Isolate* isolate = blink::mainThreadIsolate();
v8::HandleScope handle_scope(isolate);
v8::Handle<v8::Context> context = frame->mainWorldScriptContext();
if (context.IsEmpty())
return;
v8::Context::Scope context_scope(context);
gin::Handle<MemoryBenchmarkingExtension> controller =
gin::CreateHandle(isolate, new MemoryBenchmarkingExtension());
if (controller.IsEmpty())
return;
v8::Handle<v8::Object> chrome = GetOrCreateChromeObject(isolate,
context->Global());
chrome->Set(gin::StringToV8(isolate, "memoryBenchmarking"),
controller.ToV8());
}
MemoryBenchmarkingExtension::MemoryBenchmarkingExtension() {}
MemoryBenchmarkingExtension::~MemoryBenchmarkingExtension() {}
gin::ObjectTemplateBuilder
MemoryBenchmarkingExtension::GetObjectTemplateBuilder(v8::Isolate* isolate) {
return gin::Wrappable<MemoryBenchmarkingExtension>::GetObjectTemplateBuilder(
isolate)
.SetMethod("isHeapProfilerRunning",
&MemoryBenchmarkingExtension::IsHeapProfilerRunning)
.SetMethod("heapProfilerDump",
&MemoryBenchmarkingExtension::HeapProfilerDump);
}
bool MemoryBenchmarkingExtension::IsHeapProfilerRunning() {
#if defined(USE_TCMALLOC) && (defined(OS_LINUX) || defined(OS_ANDROID))
return ::IsHeapProfilerRunning();
#else
return false;
#endif
}
void MemoryBenchmarkingExtension::HeapProfilerDump(gin::Arguments* args) {
std::string process_type;
std::string reason("benchmarking_extension");
if (args->PeekNext()->IsString()) {
args->GetNext(&process_type);
if (args->PeekNext()->IsString())
args->GetNext(&reason);
}
#if defined(USE_TCMALLOC) && (defined(OS_LINUX) || defined(OS_ANDROID))
if (process_type == "browser") {
content::RenderThreadImpl::current()->Send(
new MemoryBenchmarkHostMsg_HeapProfilerDump(reason));
} else {
::HeapProfilerDump(reason.c_str());
}
#endif
}
} // namespace content
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