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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 #include "content/browser/tracing/etw_tracing_agent_win.h" | 5 #include "content/browser/tracing/etw_tracing_agent_win.h" |
6 | 6 |
7 #include <stdint.h> | 7 #include <stdint.h> |
8 | 8 |
9 #include "base/base64.h" | 9 #include "base/base64.h" |
10 #include "base/json/json_string_value_serializer.h" | 10 #include "base/json/json_string_value_serializer.h" |
11 #include "base/lazy_instance.h" | 11 #include "base/lazy_instance.h" |
12 #include "base/memory/singleton.h" | 12 #include "base/memory/singleton.h" |
| 13 #include "base/single_thread_task_runner.h" |
13 #include "base/strings/stringprintf.h" | 14 #include "base/strings/stringprintf.h" |
14 #include "base/threading/thread_task_runner_handle.h" | 15 #include "base/threading/thread_task_runner_handle.h" |
15 #include "base/time/time.h" | 16 #include "base/time/time.h" |
16 #include "base/trace_event/trace_event_impl.h" | 17 #include "base/trace_event/trace_event_impl.h" |
17 #include "content/public/browser/browser_thread.h" | 18 #include "content/public/browser/browser_thread.h" |
18 | 19 |
19 namespace content { | 20 namespace content { |
20 | 21 |
21 namespace { | 22 namespace { |
22 | 23 |
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56 // Activate kernel tracing. | 57 // Activate kernel tracing. |
57 if (!StartKernelSessionTracing()) { | 58 if (!StartKernelSessionTracing()) { |
58 base::ThreadTaskRunnerHandle::Get()->PostTask( | 59 base::ThreadTaskRunnerHandle::Get()->PostTask( |
59 FROM_HERE, | 60 FROM_HERE, |
60 base::Bind(callback, GetTracingAgentName(), false /* success */)); | 61 base::Bind(callback, GetTracingAgentName(), false /* success */)); |
61 return; | 62 return; |
62 } | 63 } |
63 | 64 |
64 // Start the consumer thread and start consuming events. | 65 // Start the consumer thread and start consuming events. |
65 thread_.Start(); | 66 thread_.Start(); |
66 thread_.message_loop()->PostTask( | 67 thread_.task_runner()->PostTask( |
67 FROM_HERE, | 68 FROM_HERE, base::Bind(&EtwTracingAgent::TraceAndConsumeOnThread, |
68 base::Bind(&EtwTracingAgent::TraceAndConsumeOnThread, | 69 base::Unretained(this))); |
69 base::Unretained(this))); | |
70 | 70 |
71 base::ThreadTaskRunnerHandle::Get()->PostTask( | 71 base::ThreadTaskRunnerHandle::Get()->PostTask( |
72 FROM_HERE, | 72 FROM_HERE, |
73 base::Bind(callback, GetTracingAgentName(), true /* success */)); | 73 base::Bind(callback, GetTracingAgentName(), true /* success */)); |
74 } | 74 } |
75 | 75 |
76 void EtwTracingAgent::StopAgentTracing( | 76 void EtwTracingAgent::StopAgentTracing( |
77 const StopAgentTracingCallback& callback) { | 77 const StopAgentTracingCallback& callback) { |
78 // Deactivate kernel tracing. | 78 // Deactivate kernel tracing. |
79 if (!StopKernelSessionTracing()) { | 79 if (!StopKernelSessionTracing()) { |
80 LOG(FATAL) << "Could not stop system tracing."; | 80 LOG(FATAL) << "Could not stop system tracing."; |
81 } | 81 } |
82 | 82 |
83 // Stop consuming and flush events. | 83 // Stop consuming and flush events. |
84 thread_.message_loop()->PostTask(FROM_HERE, | 84 thread_.task_runner()->PostTask(FROM_HERE, |
85 base::Bind(&EtwTracingAgent::FlushOnThread, | 85 base::Bind(&EtwTracingAgent::FlushOnThread, |
86 base::Unretained(this), | 86 base::Unretained(this), callback)); |
87 callback)); | |
88 } | 87 } |
89 | 88 |
90 void EtwTracingAgent::OnStopSystemTracingDone( | 89 void EtwTracingAgent::OnStopSystemTracingDone( |
91 const StopAgentTracingCallback& callback, | 90 const StopAgentTracingCallback& callback, |
92 const scoped_refptr<base::RefCountedString>& result) { | 91 const scoped_refptr<base::RefCountedString>& result) { |
93 | 92 |
94 // Stop the consumer thread. | 93 // Stop the consumer thread. |
95 thread_.Stop(); | 94 thread_.Stop(); |
96 | 95 |
97 // Pass the serialized events. | 96 // Pass the serialized events. |
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246 base::RefCountedString::TakeString(&output); | 245 base::RefCountedString::TakeString(&output); |
247 BrowserThread::PostTask( | 246 BrowserThread::PostTask( |
248 BrowserThread::UI, FROM_HERE, | 247 BrowserThread::UI, FROM_HERE, |
249 base::Bind(&EtwTracingAgent::OnStopSystemTracingDone, | 248 base::Bind(&EtwTracingAgent::OnStopSystemTracingDone, |
250 base::Unretained(this), | 249 base::Unretained(this), |
251 callback, | 250 callback, |
252 result)); | 251 result)); |
253 } | 252 } |
254 | 253 |
255 } // namespace content | 254 } // namespace content |
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