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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CHROME_BROWSER_MAC_MAC_STARTUP_PROFILER_H_ | 5 #ifndef CHROME_BROWSER_MAC_MAC_STARTUP_PROFILER_H_ |
6 #define CHROME_BROWSER_MAC_MAC_STARTUP_PROFILER_H_ | 6 #define CHROME_BROWSER_MAC_MAC_STARTUP_PROFILER_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 | 9 |
| 10 #include "base/macros.h" |
10 #include "base/memory/singleton.h" | 11 #include "base/memory/singleton.h" |
11 #include "base/time/time.h" | 12 #include "base/time/time.h" |
12 | 13 |
13 // A lightweight profiler of startup performance. Records UMA metrics for the | 14 // A lightweight profiler of startup performance. Records UMA metrics for the |
14 // time delta between Chrome's launch and major initialization phases. | 15 // time delta between Chrome's launch and major initialization phases. |
15 class MacStartupProfiler { | 16 class MacStartupProfiler { |
16 public: | 17 public: |
17 // Returns pointer to the singleton instance for the current process. | 18 // Returns pointer to the singleton instance for the current process. |
18 static MacStartupProfiler* GetInstance(); | 19 static MacStartupProfiler* GetInstance(); |
19 | 20 |
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53 // Keeps track of the time at which each initialization phase was reached. | 54 // Keeps track of the time at which each initialization phase was reached. |
54 std::map<Location, base::TimeTicks> profiled_ticks_; | 55 std::map<Location, base::TimeTicks> profiled_ticks_; |
55 | 56 |
56 // Whether UMA metrics have been recorded. Only record UMA metrics once. | 57 // Whether UMA metrics have been recorded. Only record UMA metrics once. |
57 bool recorded_metrics_; | 58 bool recorded_metrics_; |
58 | 59 |
59 DISALLOW_COPY_AND_ASSIGN(MacStartupProfiler); | 60 DISALLOW_COPY_AND_ASSIGN(MacStartupProfiler); |
60 }; | 61 }; |
61 | 62 |
62 #endif // CHROME_BROWSER_MAC_MAC_STARTUP_PROFILER_H_ | 63 #endif // CHROME_BROWSER_MAC_MAC_STARTUP_PROFILER_H_ |
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