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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 #include "base/debug/trace_event.h" | 5 #include "base/debug/trace_event.h" |
6 #include "base/json/json_writer.h" | 6 #include "base/json/json_writer.h" |
7 #include "base/memory/scoped_ptr.h" | 7 #include "base/memory/scoped_ptr.h" |
8 #include "base/strings/stringprintf.h" | 8 #include "base/strings/stringprintf.h" |
9 #include "ui/events/latency_info.h" | 9 #include "ui/events/latency_info.h" |
10 | 10 |
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194 it->second.event_time, | 194 it->second.event_time, |
195 it->second.event_count); | 195 it->second.event_count); |
196 } | 196 } |
197 } | 197 } |
198 } | 198 } |
199 | 199 |
200 void LatencyInfo::AddLatencyNumber(LatencyComponentType component, | 200 void LatencyInfo::AddLatencyNumber(LatencyComponentType component, |
201 int64 id, | 201 int64 id, |
202 int64 component_sequence_number) { | 202 int64 component_sequence_number) { |
203 AddLatencyNumberWithTimestamp(component, id, component_sequence_number, | 203 AddLatencyNumberWithTimestamp(component, id, component_sequence_number, |
204 base::TimeTicks::HighResNow(), 1); | 204 base::TimeTicks::Now(), 1); |
205 } | 205 } |
206 | 206 |
207 void LatencyInfo::AddLatencyNumberWithTimestamp(LatencyComponentType component, | 207 void LatencyInfo::AddLatencyNumberWithTimestamp(LatencyComponentType component, |
208 int64 id, | 208 int64 id, |
209 int64 component_sequence_number, | 209 int64 component_sequence_number, |
210 base::TimeTicks time, | 210 base::TimeTicks time, |
211 uint32 event_count) { | 211 uint32 event_count) { |
212 | 212 |
213 static const unsigned char* benchmark_enabled = | 213 static const unsigned char* benchmark_enabled = |
214 TRACE_EVENT_API_GET_CATEGORY_GROUP_ENABLED("benchmark"); | 214 TRACE_EVENT_API_GET_CATEGORY_GROUP_ENABLED("benchmark"); |
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231 &component) || | 231 &component) || |
232 FindLatency(INPUT_EVENT_LATENCY_UI_COMPONENT, | 232 FindLatency(INPUT_EVENT_LATENCY_UI_COMPONENT, |
233 0, | 233 0, |
234 &component)) { | 234 &component)) { |
235 // The timestamp stored in ORIGINAL/UI_COMPONENT is using clock | 235 // The timestamp stored in ORIGINAL/UI_COMPONENT is using clock |
236 // CLOCK_MONOTONIC while TRACE_EVENT_ASYNC_BEGIN_WITH_TIMESTAMP0 | 236 // CLOCK_MONOTONIC while TRACE_EVENT_ASYNC_BEGIN_WITH_TIMESTAMP0 |
237 // expects timestamp using CLOCK_MONOTONIC or CLOCK_SYSTEM_TRACE (on | 237 // expects timestamp using CLOCK_MONOTONIC or CLOCK_SYSTEM_TRACE (on |
238 // CrOS). So we need to adjust the diff between in CLOCK_MONOTONIC and | 238 // CrOS). So we need to adjust the diff between in CLOCK_MONOTONIC and |
239 // CLOCK_SYSTEM_TRACE. Note that the diff is drifting overtime so we | 239 // CLOCK_SYSTEM_TRACE. Note that the diff is drifting overtime so we |
240 // can't use a static value. | 240 // can't use a static value. |
241 int64 diff = base::TimeTicks::HighResNow().ToInternalValue() - | 241 int64 diff = base::TimeTicks::Now().ToInternalValue() - |
242 base::TimeTicks::NowFromSystemTraceTime().ToInternalValue(); | 242 base::TimeTicks::NowFromSystemTraceTime().ToInternalValue(); |
243 ts = component.event_time.ToInternalValue() - diff; | 243 ts = component.event_time.ToInternalValue() - diff; |
244 } else { | 244 } else { |
245 ts = base::TimeTicks::NowFromSystemTraceTime().ToInternalValue(); | 245 ts = base::TimeTicks::NowFromSystemTraceTime().ToInternalValue(); |
246 } | 246 } |
247 TRACE_EVENT_ASYNC_BEGIN_WITH_TIMESTAMP0( | 247 TRACE_EVENT_ASYNC_BEGIN_WITH_TIMESTAMP0( |
248 "benchmark", | 248 "benchmark", |
249 "InputLatency", | 249 "InputLatency", |
250 TRACE_ID_DONT_MANGLE(trace_id), | 250 TRACE_ID_DONT_MANGLE(trace_id), |
251 ts); | 251 ts); |
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321 } | 321 } |
322 | 322 |
323 void LatencyInfo::TraceEventType(const char* event_type) { | 323 void LatencyInfo::TraceEventType(const char* event_type) { |
324 TRACE_EVENT_ASYNC_STEP_INTO0("benchmark", | 324 TRACE_EVENT_ASYNC_STEP_INTO0("benchmark", |
325 "InputLatency", | 325 "InputLatency", |
326 TRACE_ID_DONT_MANGLE(trace_id), | 326 TRACE_ID_DONT_MANGLE(trace_id), |
327 event_type); | 327 event_type); |
328 } | 328 } |
329 | 329 |
330 } // namespace ui | 330 } // namespace ui |
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