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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 BASE_DEBUG_TRACE_EVENT_SYSTEM_STATS_MONITOR_H_ | 5 #ifndef BASE_DEBUG_TRACE_EVENT_SYSTEM_STATS_MONITOR_H_ |
6 #define BASE_DEBUG_TRACE_EVENT_SYSTEM_STATS_MONITOR_H_ | 6 #define BASE_DEBUG_TRACE_EVENT_SYSTEM_STATS_MONITOR_H_ |
7 | 7 |
8 #include "base/base_export.h" | 8 #include "base/base_export.h" |
9 #include "base/debug/trace_event_impl.h" | 9 #include "base/debug/trace_event_impl.h" |
10 #include "base/gtest_prod_util.h" | 10 #include "base/gtest_prod_util.h" |
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29 static const int kSamplingIntervalMilliseconds = 2000; | 29 static const int kSamplingIntervalMilliseconds = 2000; |
30 | 30 |
31 // |task_runner| must be the primary thread for the client | 31 // |task_runner| must be the primary thread for the client |
32 // process, e.g. the UI thread in a browser. | 32 // process, e.g. the UI thread in a browser. |
33 explicit TraceEventSystemStatsMonitor( | 33 explicit TraceEventSystemStatsMonitor( |
34 scoped_refptr<SingleThreadTaskRunner> task_runner); | 34 scoped_refptr<SingleThreadTaskRunner> task_runner); |
35 | 35 |
36 virtual ~TraceEventSystemStatsMonitor(); | 36 virtual ~TraceEventSystemStatsMonitor(); |
37 | 37 |
38 // base::debug::TraceLog::EnabledStateChangedObserver overrides: | 38 // base::debug::TraceLog::EnabledStateChangedObserver overrides: |
39 virtual void OnTraceLogEnabled() OVERRIDE; | 39 void OnTraceLogEnabled() override; |
40 virtual void OnTraceLogDisabled() OVERRIDE; | 40 void OnTraceLogDisabled() override; |
41 | 41 |
42 // Retrieves system profiling at the current time. | 42 // Retrieves system profiling at the current time. |
43 void DumpSystemStats(); | 43 void DumpSystemStats(); |
44 | 44 |
45 private: | 45 private: |
46 FRIEND_TEST_ALL_PREFIXES(TraceSystemStatsMonitorTest, | 46 FRIEND_TEST_ALL_PREFIXES(TraceSystemStatsMonitorTest, |
47 TraceEventSystemStatsMonitor); | 47 TraceEventSystemStatsMonitor); |
48 | 48 |
49 bool IsTimerRunningForTest() const; | 49 bool IsTimerRunningForTest() const; |
50 | 50 |
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66 // Converts system memory profiling stats in |input| to | 66 // Converts system memory profiling stats in |input| to |
67 // trace event compatible JSON and appends to |output|. Visible for testing. | 67 // trace event compatible JSON and appends to |output|. Visible for testing. |
68 BASE_EXPORT void AppendSystemProfileAsTraceFormat(const SystemMetrics& | 68 BASE_EXPORT void AppendSystemProfileAsTraceFormat(const SystemMetrics& |
69 system_stats, | 69 system_stats, |
70 std::string* output); | 70 std::string* output); |
71 | 71 |
72 } // namespace debug | 72 } // namespace debug |
73 } // namespace base | 73 } // namespace base |
74 | 74 |
75 #endif // BASE_DEBUG_TRACE_EVENT_SYSTEM_STATS_MONITOR_H_ | 75 #endif // BASE_DEBUG_TRACE_EVENT_SYSTEM_STATS_MONITOR_H_ |
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