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1 /* | 1 /* |
2 * Copyright (C) 2012 Intel Inc. All rights reserved. | 2 * Copyright (C) 2012 Intel Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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163 if (exceptionState.hadException()) | 163 if (exceptionState.hadException()) |
164 return nullptr; | 164 return nullptr; |
165 } | 165 } |
166 | 166 |
167 // User timing events are stored as integer milliseconds from the start of | 167 // User timing events are stored as integer milliseconds from the start of |
168 // navigation, whereas trace events accept double seconds based off of | 168 // navigation, whereas trace events accept double seconds based off of |
169 // CurrentTime::monotonicallyIncreasingTime(). | 169 // CurrentTime::monotonicallyIncreasingTime(). |
170 double startTimeMonotonic = m_performance->timeOrigin() + startTime / 1000.0
; | 170 double startTimeMonotonic = m_performance->timeOrigin() + startTime / 1000.0
; |
171 double endTimeMonotonic = m_performance->timeOrigin() + endTime / 1000.0; | 171 double endTimeMonotonic = m_performance->timeOrigin() + endTime / 1000.0; |
172 | 172 |
173 TRACE_EVENT_COPY_NESTABLE_ASYNC_BEGIN_WITH_TIMESTAMP0("blink.user_timing", m
easureName.utf8().data(), WTF::StringHash::hash(measureName), startTimeMonotonic
); | 173 TRACE_EVENT_COPY_NESTABLE_ASYNC_BEGIN_WITH_TIMESTAMP0("blink.user_timing", m
easureName.utf8().data(), WTF::StringHash::hash(measureName), TraceEvent::toTrac
eTimestamp(startTimeMonotonic)); |
174 TRACE_EVENT_COPY_NESTABLE_ASYNC_END_WITH_TIMESTAMP0("blink.user_timing", mea
sureName.utf8().data(), WTF::StringHash::hash(measureName), endTimeMonotonic); | 174 TRACE_EVENT_COPY_NESTABLE_ASYNC_END_WITH_TIMESTAMP0("blink.user_timing", mea
sureName.utf8().data(), WTF::StringHash::hash(measureName), TraceEvent::toTraceT
imestamp(endTimeMonotonic)); |
175 | 175 |
176 PerformanceEntry* entry = PerformanceMeasure::create(measureName, startTime,
endTime); | 176 PerformanceEntry* entry = PerformanceMeasure::create(measureName, startTime,
endTime); |
177 insertPerformanceEntry(m_measuresMap, *entry); | 177 insertPerformanceEntry(m_measuresMap, *entry); |
178 if (endTime >= startTime) { | 178 if (endTime >= startTime) { |
179 DEFINE_THREAD_SAFE_STATIC_LOCAL(CustomCountHistogram, measureDurationHis
togram, new CustomCountHistogram("PLT.UserTiming_MeasureDuration", 0, 600000, 10
0)); | 179 DEFINE_THREAD_SAFE_STATIC_LOCAL(CustomCountHistogram, measureDurationHis
togram, new CustomCountHistogram("PLT.UserTiming_MeasureDuration", 0, 600000, 10
0)); |
180 measureDurationHistogram.count(static_cast<int>(endTime - startTime)); | 180 measureDurationHistogram.count(static_cast<int>(endTime - startTime)); |
181 } | 181 } |
182 return entry; | 182 return entry; |
183 } | 183 } |
184 | 184 |
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229 } | 229 } |
230 | 230 |
231 DEFINE_TRACE(UserTiming) | 231 DEFINE_TRACE(UserTiming) |
232 { | 232 { |
233 visitor->trace(m_performance); | 233 visitor->trace(m_performance); |
234 visitor->trace(m_marksMap); | 234 visitor->trace(m_marksMap); |
235 visitor->trace(m_measuresMap); | 235 visitor->trace(m_measuresMap); |
236 } | 236 } |
237 | 237 |
238 } // namespace blink | 238 } // namespace blink |
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