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// Copyright 2016 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.
#ifndef V8_PROFILER_TRACING_CPU_PROFILER_H_
#define V8_PROFILER_TRACING_CPU_PROFILER_H_
#include <memory>
#include "include/v8-platform.h"
#include "src/base/atomic-utils.h"
#include "src/base/macros.h"
#include "src/base/platform/mutex.h"
namespace v8 {
namespace internal {
class CpuProfiler;
class Isolate;
class TracingCpuProfilerImpl final
: private v8::TracingController::TraceStateObserver {
public:
explicit TracingCpuProfilerImpl(Isolate*);
~TracingCpuProfilerImpl() override;
TracingCpuProfilerImpl(const TracingCpuProfilerImpl&) = delete;
TracingCpuProfilerImpl& operator=(const TracingCpuProfilerImpl&) = delete;
// v8::TracingController::TraceStateObserver
void OnTraceEnabled() final;
void OnTraceDisabled() final;
private:
void StartProfiling();
void StopProfiling();
Isolate* isolate_;
std::unique_ptr<CpuProfiler> profiler_;
bool profiling_enabled_;
base::Mutex mutex_;
};
} // namespace internal
} // namespace v8
#endif // V8_PROFILER_TRACING_CPU_PROFILER_H_
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