OLD | NEW |
| (Empty) |
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 | |
6 #ifndef BASE_PROFILER_SCOPED_PROFILE_H_ | |
7 #define BASE_PROFILER_SCOPED_PROFILE_H_ | |
8 | |
9 //------------------------------------------------------------------------------ | |
10 // ScopedProfile provides basic helper functions for profiling a short | |
11 // region of code within a scope. It is separate from the related ThreadData | |
12 // class so that it can be included without much other cruft, and provide the | |
13 // macros listed below. | |
14 | |
15 #include "base/base_export.h" | |
16 #include "base/location.h" | |
17 #include "base/profiler/tracked_time.h" | |
18 | |
19 #define TRACK_RUN_IN_THIS_SCOPED_REGION_FOR_OFFICIAL_BUILDS(variable_name) \ | |
20 ::tracked_objects::ScopedProfile variable_name(FROM_HERE) | |
21 | |
22 #define TRACK_RUN_IN_IPC_HANDLER(dispatch_function_name) \ | |
23 ::tracked_objects::ScopedProfile some_tracking_variable_name( \ | |
24 FROM_HERE_WITH_EXPLICIT_FUNCTION(#dispatch_function_name)) | |
25 | |
26 | |
27 namespace tracked_objects { | |
28 class Births; | |
29 | |
30 class BASE_EXPORT ScopedProfile { | |
31 public: | |
32 explicit ScopedProfile(const Location& location); | |
33 ~ScopedProfile(); | |
34 | |
35 // Stop tracing prior to the end destruction of the instance. | |
36 void StopClockAndTally(); | |
37 | |
38 private: | |
39 Births* birth_; // Place in code where tracking started. | |
40 const TrackedTime start_of_run_; | |
41 | |
42 DISALLOW_COPY_AND_ASSIGN(ScopedProfile); | |
43 }; | |
44 | |
45 } // namespace tracked_objects | |
46 | |
47 #endif // BASE_PROFILER_SCOPED_PROFILE_H_ | |
OLD | NEW |