profiler.h revision 72a454cd3513ac24fbdd0e0cb9ad70b86a99b801 
1// Copyright (c) 2011 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef BASE_DEBUG_PROFILER_H
6#define BASE_DEBUG_PROFILER_H
7#pragma once
8
9#include <string>
10
11// The Profiler functions allow usage of the underlying sampling based
12// profiler. If the application has not been built with the necessary
13// flags (-DENABLE_PROFILING and not -DNO_TCMALLOC) then these functions
14// are noops.
15namespace base {
16namespace debug {
17
18// Start profiling with the supplied name.
19// {pid} will be replaced by the process' pid and {count} will be replaced
20// by the count of the profile run (starts at 1 with each process).
21void StartProfiling(const std::string& name);
22
23// Stop profiling and write out data.
24void StopProfiling();
25
26// Force data to be written to file.
27void FlushProfiling();
28
29// Returns true if process is being profiled.
30bool BeingProfiled();
31
32}  // namespace debug
33}  // namespace base
34
35#endif  // BASE_DEBUG_DEBUGGER_H
36