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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 CONTENT_PUBLIC_BROWSER_TRACING_CONTROLLER_H_ | 5 #ifndef CONTENT_PUBLIC_BROWSER_TRACING_CONTROLLER_H_ |
| 6 #define CONTENT_PUBLIC_BROWSER_TRACING_CONTROLLER_H_ | 6 #define CONTENT_PUBLIC_BROWSER_TRACING_CONTROLLER_H_ |
| 7 | 7 |
| 8 #include <set> | 8 #include <set> |
| 9 #include <string> | 9 #include <string> |
| 10 | 10 |
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| 80 // that contain a matching category. Having both included and excluded | 80 // that contain a matching category. Having both included and excluded |
| 81 // category patterns in the same list would not be supported. | 81 // category patterns in the same list would not be supported. |
| 82 // | 82 // |
| 83 // Examples: "test_MyTest*", | 83 // Examples: "test_MyTest*", |
| 84 // "test_MyTest*,test_OtherStuff", | 84 // "test_MyTest*,test_OtherStuff", |
| 85 // "-excluded_category1,-excluded_category2" | 85 // "-excluded_category1,-excluded_category2" |
| 86 // | 86 // |
| 87 // |options| controls what kind of tracing is enabled. | 87 // |options| controls what kind of tracing is enabled. |
| 88 typedef base::Callback<void()> EnableRecordingDoneCallback; | 88 typedef base::Callback<void()> EnableRecordingDoneCallback; |
| 89 virtual bool EnableRecording( | 89 virtual bool EnableRecording( |
| 90 const base::debug::CategoryFilter& category_filter, | 90 const base::trace_event::CategoryFilter& category_filter, |
| 91 const base::debug::TraceOptions& trace_options, | 91 const base::trace_event::TraceOptions& trace_options, |
| 92 const EnableRecordingDoneCallback& callback) = 0; | 92 const EnableRecordingDoneCallback& callback) = 0; |
| 93 | 93 |
| 94 // Stop recording on all processes. | 94 // Stop recording on all processes. |
| 95 // | 95 // |
| 96 // Child processes typically are caching trace data and only rarely flush | 96 // Child processes typically are caching trace data and only rarely flush |
| 97 // and send trace data back to the browser process. That is because it may be | 97 // and send trace data back to the browser process. That is because it may be |
| 98 // an expensive operation to send the trace data over IPC, and we would like | 98 // an expensive operation to send the trace data over IPC, and we would like |
| 99 // to avoid much runtime overhead of tracing. So, to end tracing, we must | 99 // to avoid much runtime overhead of tracing. So, to end tracing, we must |
| 100 // asynchronously ask all child processes to flush any pending trace data. | 100 // asynchronously ask all child processes to flush any pending trace data. |
| 101 // | 101 // |
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| 117 // | 117 // |
| 118 // Once all child processes have acked to the EnableMonitoring request, | 118 // Once all child processes have acked to the EnableMonitoring request, |
| 119 // EnableMonitoringDoneCallback will be called back. | 119 // EnableMonitoringDoneCallback will be called back. |
| 120 // | 120 // |
| 121 // |category_filter| is a filter to control what category groups should be | 121 // |category_filter| is a filter to control what category groups should be |
| 122 // traced. | 122 // traced. |
| 123 // | 123 // |
| 124 // |options| controls what kind of tracing is enabled. | 124 // |options| controls what kind of tracing is enabled. |
| 125 typedef base::Callback<void()> EnableMonitoringDoneCallback; | 125 typedef base::Callback<void()> EnableMonitoringDoneCallback; |
| 126 virtual bool EnableMonitoring( | 126 virtual bool EnableMonitoring( |
| 127 const base::debug::CategoryFilter& category_filter, | 127 const base::trace_event::CategoryFilter& category_filter, |
| 128 const base::debug::TraceOptions& trace_options, | 128 const base::trace_event::TraceOptions& trace_options, |
| 129 const EnableMonitoringDoneCallback& callback) = 0; | 129 const EnableMonitoringDoneCallback& callback) = 0; |
| 130 | 130 |
| 131 // Stop monitoring on all processes. | 131 // Stop monitoring on all processes. |
| 132 // | 132 // |
| 133 // Once all child processes have acked to the DisableMonitoring request, | 133 // Once all child processes have acked to the DisableMonitoring request, |
| 134 // DisableMonitoringDoneCallback is called back. | 134 // DisableMonitoringDoneCallback is called back. |
| 135 typedef base::Callback<void()> DisableMonitoringDoneCallback; | 135 typedef base::Callback<void()> DisableMonitoringDoneCallback; |
| 136 virtual bool DisableMonitoring( | 136 virtual bool DisableMonitoring( |
| 137 const DisableMonitoringDoneCallback& callback) = 0; | 137 const DisableMonitoringDoneCallback& callback) = 0; |
| 138 | 138 |
| 139 // Get the current monitoring configuration. | 139 // Get the current monitoring configuration. |
| 140 virtual void GetMonitoringStatus( | 140 virtual void GetMonitoringStatus( |
| 141 bool* out_enabled, | 141 bool* out_enabled, |
| 142 base::debug::CategoryFilter* out_category_filter, | 142 base::trace_event::CategoryFilter* out_category_filter, |
| 143 base::debug::TraceOptions* out_trace_options) = 0; | 143 base::trace_event::TraceOptions* out_trace_options) = 0; |
| 144 | 144 |
| 145 // Get the current monitoring traced data. | 145 // Get the current monitoring traced data. |
| 146 // | 146 // |
| 147 // Child processes typically are caching trace data and only rarely flush | 147 // Child processes typically are caching trace data and only rarely flush |
| 148 // and send trace data back to the browser process. That is because it may be | 148 // and send trace data back to the browser process. That is because it may be |
| 149 // an expensive operation to send the trace data over IPC, and we would like | 149 // an expensive operation to send the trace data over IPC, and we would like |
| 150 // to avoid much runtime overhead of tracing. So, to end tracing, we must | 150 // to avoid much runtime overhead of tracing. So, to end tracing, we must |
| 151 // asynchronously ask all child processes to flush any pending trace data. | 151 // asynchronously ask all child processes to flush any pending trace data. |
| 152 // | 152 // |
| 153 // Once all child processes have acked to the CaptureMonitoringSnapshot | 153 // Once all child processes have acked to the CaptureMonitoringSnapshot |
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| 178 // watch event callback. | 178 // watch event callback. |
| 179 virtual bool CancelWatchEvent() = 0; | 179 virtual bool CancelWatchEvent() = 0; |
| 180 | 180 |
| 181 protected: | 181 protected: |
| 182 virtual ~TracingController() {} | 182 virtual ~TracingController() {} |
| 183 }; | 183 }; |
| 184 | 184 |
| 185 } // namespace content | 185 } // namespace content |
| 186 | 186 |
| 187 #endif // CONTENT_PUBLIC_BROWSER_TRACING_CONTROLLER_H_ | 187 #endif // CONTENT_PUBLIC_BROWSER_TRACING_CONTROLLER_H_ |
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