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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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_TRACE_EVENT_TRACING_AGENT_H_ | 5 #ifndef BASE_TRACE_EVENT_TRACING_AGENT_H_ |
6 #define BASE_TRACE_EVENT_TRACING_AGENT_H_ | 6 #define BASE_TRACE_EVENT_TRACING_AGENT_H_ |
7 | 7 |
8 #include "base/base_export.h" | 8 #include "base/base_export.h" |
9 #include "base/callback.h" | 9 #include "base/callback.h" |
10 #include "base/memory/ref_counted_memory.h" | 10 #include "base/memory/ref_counted_memory.h" |
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25 // DebugDaemonClient for CrOs system trace, EtwSystemEventConsumer for Windows | 25 // DebugDaemonClient for CrOs system trace, EtwSystemEventConsumer for Windows |
26 // system trace and PowerTracingAgent for BattOr power trace. | 26 // system trace and PowerTracingAgent for BattOr power trace. |
27 class BASE_EXPORT TracingAgent { | 27 class BASE_EXPORT TracingAgent { |
28 public: | 28 public: |
29 using StopAgentTracingCallback = base::Callback<void( | 29 using StopAgentTracingCallback = base::Callback<void( |
30 const std::string& agent_name, | 30 const std::string& agent_name, |
31 const std::string& events_label, | 31 const std::string& events_label, |
32 const scoped_refptr<base::RefCountedString>& events_str_ptr)>; | 32 const scoped_refptr<base::RefCountedString>& events_str_ptr)>; |
33 using RecordClockSyncMarkerCallback = base::Callback<void( | 33 using RecordClockSyncMarkerCallback = base::Callback<void( |
34 int sync_id, | 34 int sync_id, |
35 const TimeTicks& sync_ts, | 35 const TimeTicks& issue_ts, |
36 const TimeTicks& sync_end_ts)>; | 36 const TimeTicks& issue_end_ts)>; |
37 | 37 |
38 virtual ~TracingAgent(); | 38 virtual ~TracingAgent(); |
39 | 39 |
40 // Gets the name of the tracing agent. Each tracing agent's name should be | 40 // Gets the name of the tracing agent. Each tracing agent's name should be |
41 // unique. | 41 // unique. |
42 virtual std::string GetTracingAgentName() = 0; | 42 virtual std::string GetTracingAgentName() = 0; |
43 | 43 |
44 // Gets the trace event label of this tracing agent. The label will be used to | 44 // Gets the trace event label of this tracing agent. The label will be used to |
45 // label this agent's trace when all traces from different tracing agents are | 45 // label this agent's trace when all traces from different tracing agents are |
46 // combined. Multiple tracing agents could have the same label. The tracing | 46 // combined. Multiple tracing agents could have the same label. The tracing |
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83 // is true in Chrome because all agent threads' clocks are Chrome clock. | 83 // is true in Chrome because all agent threads' clocks are Chrome clock. |
84 virtual void RecordClockSyncMarker( | 84 virtual void RecordClockSyncMarker( |
85 int sync_id, | 85 int sync_id, |
86 const RecordClockSyncMarkerCallback& callback); | 86 const RecordClockSyncMarkerCallback& callback); |
87 }; | 87 }; |
88 | 88 |
89 } // namespace trace_event | 89 } // namespace trace_event |
90 } // namespace base | 90 } // namespace base |
91 | 91 |
92 #endif // BASE_TRACE_EVENT_TRACING_AGENT_H_ | 92 #endif // BASE_TRACE_EVENT_TRACING_AGENT_H_ |
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