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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 #include "components/tracing/child_trace_message_filter.h" | 5 #include "components/tracing/child_trace_message_filter.h" |
6 | 6 |
7 #include "base/metrics/statistics_recorder.h" | 7 #include "base/metrics/statistics_recorder.h" |
8 #include "base/trace_event/trace_event.h" | 8 #include "base/trace_event/trace_event.h" |
9 #include "components/tracing/child_memory_dump_manager_delegate_impl.h" | 9 #include "components/tracing/child_memory_dump_manager_delegate_impl.h" |
10 #include "components/tracing/tracing_messages.h" | 10 #include "components/tracing/tracing_messages.h" |
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66 IPC_MESSAGE_UNHANDLED(handled = false) | 66 IPC_MESSAGE_UNHANDLED(handled = false) |
67 IPC_END_MESSAGE_MAP() | 67 IPC_END_MESSAGE_MAP() |
68 return handled; | 68 return handled; |
69 } | 69 } |
70 | 70 |
71 ChildTraceMessageFilter::~ChildTraceMessageFilter() {} | 71 ChildTraceMessageFilter::~ChildTraceMessageFilter() {} |
72 | 72 |
73 void ChildTraceMessageFilter::OnBeginTracing( | 73 void ChildTraceMessageFilter::OnBeginTracing( |
74 const std::string& trace_config_str, | 74 const std::string& trace_config_str, |
75 base::TimeTicks browser_time, | 75 base::TimeTicks browser_time, |
76 uint64 tracing_process_id) { | 76 uint64_t tracing_process_id) { |
77 #if defined(__native_client__) | 77 #if defined(__native_client__) |
78 // NaCl and system times are offset by a bit, so subtract some time from | 78 // NaCl and system times are offset by a bit, so subtract some time from |
79 // the captured timestamps. The value might be off by a bit due to messaging | 79 // the captured timestamps. The value might be off by a bit due to messaging |
80 // latency. | 80 // latency. |
81 base::TimeDelta time_offset = base::TimeTicks::Now() - browser_time; | 81 base::TimeDelta time_offset = base::TimeTicks::Now() - browser_time; |
82 TraceLog::GetInstance()->SetTimeOffset(time_offset); | 82 TraceLog::GetInstance()->SetTimeOffset(time_offset); |
83 #endif | 83 #endif |
84 ChildMemoryDumpManagerDelegateImpl::GetInstance()->set_tracing_process_id( | 84 ChildMemoryDumpManagerDelegateImpl::GetInstance()->set_tracing_process_id( |
85 tracing_process_id); | 85 tracing_process_id); |
86 TraceLog::GetInstance()->SetEnabled( | 86 TraceLog::GetInstance()->SetEnabled( |
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193 } | 193 } |
194 | 194 |
195 // Sent by the Browser's MemoryDumpManager when coordinating a global dump. | 195 // Sent by the Browser's MemoryDumpManager when coordinating a global dump. |
196 void ChildTraceMessageFilter::OnProcessMemoryDumpRequest( | 196 void ChildTraceMessageFilter::OnProcessMemoryDumpRequest( |
197 const base::trace_event::MemoryDumpRequestArgs& args) { | 197 const base::trace_event::MemoryDumpRequestArgs& args) { |
198 ChildMemoryDumpManagerDelegateImpl::GetInstance()->CreateProcessDump( | 198 ChildMemoryDumpManagerDelegateImpl::GetInstance()->CreateProcessDump( |
199 args, | 199 args, |
200 base::Bind(&ChildTraceMessageFilter::OnProcessMemoryDumpDone, this)); | 200 base::Bind(&ChildTraceMessageFilter::OnProcessMemoryDumpDone, this)); |
201 } | 201 } |
202 | 202 |
203 void ChildTraceMessageFilter::OnProcessMemoryDumpDone(uint64 dump_guid, | 203 void ChildTraceMessageFilter::OnProcessMemoryDumpDone(uint64_t dump_guid, |
204 bool success) { | 204 bool success) { |
205 sender_->Send( | 205 sender_->Send( |
206 new TracingHostMsg_ProcessMemoryDumpResponse(dump_guid, success)); | 206 new TracingHostMsg_ProcessMemoryDumpResponse(dump_guid, success)); |
207 } | 207 } |
208 | 208 |
209 // Initiates a dump request, asking the Browser's MemoryDumpManager to | 209 // Initiates a dump request, asking the Browser's MemoryDumpManager to |
210 // coordinate a global memory dump. The Browser's MDM will answer back with a | 210 // coordinate a global memory dump. The Browser's MDM will answer back with a |
211 // MemoryDumpResponse when all the child processes (including this one) have | 211 // MemoryDumpResponse when all the child processes (including this one) have |
212 // dumped, or with a NACK (|success| == false) if the dump failed (e.g., due to | 212 // dumped, or with a NACK (|success| == false) if the dump failed (e.g., due to |
213 // a collision with a concurrent request from another child process). | 213 // a collision with a concurrent request from another child process). |
214 void ChildTraceMessageFilter::SendGlobalMemoryDumpRequest( | 214 void ChildTraceMessageFilter::SendGlobalMemoryDumpRequest( |
215 const base::trace_event::MemoryDumpRequestArgs& args, | 215 const base::trace_event::MemoryDumpRequestArgs& args, |
216 const base::trace_event::MemoryDumpCallback& callback) { | 216 const base::trace_event::MemoryDumpCallback& callback) { |
217 // If there is already another dump request pending from this child process, | 217 // If there is already another dump request pending from this child process, |
218 // there is no point bothering the Browser's MemoryDumpManager. | 218 // there is no point bothering the Browser's MemoryDumpManager. |
219 if (pending_memory_dump_guid_) { | 219 if (pending_memory_dump_guid_) { |
220 if (!callback.is_null()) | 220 if (!callback.is_null()) |
221 callback.Run(args.dump_guid, false); | 221 callback.Run(args.dump_guid, false); |
222 return; | 222 return; |
223 } | 223 } |
224 | 224 |
225 pending_memory_dump_guid_ = args.dump_guid; | 225 pending_memory_dump_guid_ = args.dump_guid; |
226 pending_memory_dump_callback_ = callback; | 226 pending_memory_dump_callback_ = callback; |
227 sender_->Send(new TracingHostMsg_GlobalMemoryDumpRequest(args)); | 227 sender_->Send(new TracingHostMsg_GlobalMemoryDumpRequest(args)); |
228 } | 228 } |
229 | 229 |
230 // Sent by the Browser's MemoryDumpManager in response of a dump request | 230 // Sent by the Browser's MemoryDumpManager in response of a dump request |
231 // initiated by this child process. | 231 // initiated by this child process. |
232 void ChildTraceMessageFilter::OnGlobalMemoryDumpResponse(uint64 dump_guid, | 232 void ChildTraceMessageFilter::OnGlobalMemoryDumpResponse(uint64_t dump_guid, |
233 bool success) { | 233 bool success) { |
234 DCHECK_NE(0U, pending_memory_dump_guid_); | 234 DCHECK_NE(0U, pending_memory_dump_guid_); |
235 pending_memory_dump_guid_ = 0; | 235 pending_memory_dump_guid_ = 0; |
236 if (pending_memory_dump_callback_.is_null()) | 236 if (pending_memory_dump_callback_.is_null()) |
237 return; | 237 return; |
238 pending_memory_dump_callback_.Run(dump_guid, success); | 238 pending_memory_dump_callback_.Run(dump_guid, success); |
239 } | 239 } |
240 | 240 |
241 void ChildTraceMessageFilter::OnHistogramChanged( | 241 void ChildTraceMessageFilter::OnHistogramChanged( |
242 const std::string& histogram_name, | 242 const std::string& histogram_name, |
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329 } | 329 } |
330 } | 330 } |
331 | 331 |
332 void ChildTraceMessageFilter::OnClearUMACallback( | 332 void ChildTraceMessageFilter::OnClearUMACallback( |
333 const std::string& histogram_name) { | 333 const std::string& histogram_name) { |
334 histogram_last_changed_ = base::Time(); | 334 histogram_last_changed_ = base::Time(); |
335 base::StatisticsRecorder::ClearCallback(histogram_name); | 335 base::StatisticsRecorder::ClearCallback(histogram_name); |
336 } | 336 } |
337 | 337 |
338 } // namespace tracing | 338 } // namespace tracing |
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