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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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_PERFORMANCE_MONITOR_PERFORMANCE_MONITOR_H_ | 5 #ifndef CHROME_BROWSER_PERFORMANCE_MONITOR_PERFORMANCE_MONITOR_H_ |
6 #define CHROME_BROWSER_PERFORMANCE_MONITOR_PERFORMANCE_MONITOR_H_ | 6 #define CHROME_BROWSER_PERFORMANCE_MONITOR_PERFORMANCE_MONITOR_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <memory> | 9 #include <memory> |
10 #include <vector> | 10 #include <vector> |
11 | 11 |
12 #include "base/lazy_instance.h" | 12 #include "base/lazy_instance.h" |
13 #include "base/macros.h" | 13 #include "base/macros.h" |
14 #include "base/process/process_handle.h" | 14 #include "base/process/process_handle.h" |
15 #include "base/timer/timer.h" | 15 #include "base/timer/timer.h" |
16 #include "chrome/browser/performance_monitor/process_metrics_history.h" | 16 #include "chrome/browser/performance_monitor/process_metrics_history.h" |
17 | 17 |
18 namespace content { | |
19 struct ChildProcessData; | |
20 } | |
21 | |
22 namespace performance_monitor { | 18 namespace performance_monitor { |
23 | 19 |
24 class ProcessMetricsHistory; | 20 class ProcessMetricsHistory; |
25 | 21 |
26 // PerformanceMonitor is a tool which periodically monitors performance metrics | 22 // PerformanceMonitor is a tool which periodically monitors performance metrics |
27 // for histogram logging and possibly taking action upon noticing serious | 23 // for histogram logging and possibly taking action upon noticing serious |
28 // performance degradation. | 24 // performance degradation. |
29 class PerformanceMonitor { | 25 class PerformanceMonitor { |
30 public: | 26 public: |
31 // Returns the current PerformanceMonitor instance if one exists; otherwise | 27 // Returns the current PerformanceMonitor instance if one exists; otherwise |
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69 | 65 |
70 // The timer to signal PerformanceMonitor to perform its timed collections. | 66 // The timer to signal PerformanceMonitor to perform its timed collections. |
71 base::OneShotTimer repeating_timer_; | 67 base::OneShotTimer repeating_timer_; |
72 | 68 |
73 DISALLOW_COPY_AND_ASSIGN(PerformanceMonitor); | 69 DISALLOW_COPY_AND_ASSIGN(PerformanceMonitor); |
74 }; | 70 }; |
75 | 71 |
76 } // namespace performance_monitor | 72 } // namespace performance_monitor |
77 | 73 |
78 #endif // CHROME_BROWSER_PERFORMANCE_MONITOR_PERFORMANCE_MONITOR_H_ | 74 #endif // CHROME_BROWSER_PERFORMANCE_MONITOR_PERFORMANCE_MONITOR_H_ |
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