blob: d7da209e2e83feed8a2e065f97eaee67f736ff7a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
// 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 "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();
// 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_;
DISALLOW_COPY_AND_ASSIGN(TracingCpuProfilerImpl);
};
} // namespace internal
} // namespace v8
#endif // V8_PROFILER_TRACING_CPU_PROFILER_H_
|