blob: 80e092ddc5f243772710b4e7ab656f97459f934b (
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
|
// Copyright (c) 2011 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.
#ifndef CHROME_COMMON_PROFILING_H_
#define CHROME_COMMON_PROFILING_H_
#include "build/build_config.h"
#include "base/basictypes.h"
#include "base/debug/profiler.h"
// The Profiling class manages the interaction with a sampling based profiler.
// Its function is controlled by the kProfilingAtStart, kProfilingFile, and
// kProfilingFlush command line values.
// All of the API should only be called from the main thread of the process.
class Profiling {
public:
// Called early in a process' life to allow profiling of startup time.
// the presence of kProfilingAtStart is checked.
static void ProcessStarted();
// Start profiling.
static void Start();
// Stop profiling and write out profiling file.
static void Stop();
// Returns true if the process is being profiled.
static bool BeingProfiled();
// Toggle profiling on/off.
static void Toggle();
private:
// Do not instantiate this class.
Profiling();
DISALLOW_COPY_AND_ASSIGN(Profiling);
};
#endif // CHROME_COMMON_PROFILING_H_
|
