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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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| 101 } | 101 } |
| 102 | 102 |
| 103 if (performanceEntryMap.contains(name)) | 103 if (performanceEntryMap.contains(name)) |
| 104 performanceEntryMap.erase(name); | 104 performanceEntryMap.erase(name); |
| 105 } | 105 } |
| 106 | 106 |
| 107 PerformanceEntry* UserTiming::mark(const String& markName, | 107 PerformanceEntry* UserTiming::mark(const String& markName, |
| 108 ExceptionState& exceptionState) { | 108 ExceptionState& exceptionState) { |
| 109 if (restrictedKeyMap().contains(markName)) { | 109 if (restrictedKeyMap().contains(markName)) { |
| 110 exceptionState.throwDOMException( | 110 exceptionState.throwDOMException( |
| 111 SyntaxError, "'" + markName + | 111 SyntaxError, |
| 112 "' is part of the PerformanceTiming interface, and " | 112 "'" + markName + |
| 113 "cannot be used as a mark name."); | 113 "' is part of the PerformanceTiming interface, and " |
| 114 "cannot be used as a mark name."); |
| 114 return nullptr; | 115 return nullptr; |
| 115 } | 116 } |
| 116 | 117 |
| 117 TRACE_EVENT_COPY_MARK("blink.user_timing", markName.utf8().data()); | 118 TRACE_EVENT_COPY_MARK("blink.user_timing", markName.utf8().data()); |
| 118 double startTime = m_performance->now(); | 119 double startTime = m_performance->now(); |
| 119 PerformanceEntry* entry = PerformanceMark::create(markName, startTime); | 120 PerformanceEntry* entry = PerformanceMark::create(markName, startTime); |
| 120 insertPerformanceEntry(m_marksMap, *entry); | 121 insertPerformanceEntry(m_marksMap, *entry); |
| 121 DEFINE_THREAD_SAFE_STATIC_LOCAL( | 122 DEFINE_THREAD_SAFE_STATIC_LOCAL( |
| 122 CustomCountHistogram, userTimingMarkHistogram, | 123 CustomCountHistogram, userTimingMarkHistogram, |
| 123 new CustomCountHistogram("PLT.UserTiming_Mark", 0, 600000, 100)); | 124 new CustomCountHistogram("PLT.UserTiming_Mark", 0, 600000, 100)); |
| 124 userTimingMarkHistogram.count(static_cast<int>(startTime)); | 125 userTimingMarkHistogram.count(static_cast<int>(startTime)); |
| 125 return entry; | 126 return entry; |
| 126 } | 127 } |
| 127 | 128 |
| 128 void UserTiming::clearMarks(const String& markName) { | 129 void UserTiming::clearMarks(const String& markName) { |
| 129 clearPeformanceEntries(m_marksMap, markName); | 130 clearPeformanceEntries(m_marksMap, markName); |
| 130 } | 131 } |
| 131 | 132 |
| 132 double UserTiming::findExistingMarkStartTime(const String& markName, | 133 double UserTiming::findExistingMarkStartTime(const String& markName, |
| 133 ExceptionState& exceptionState) { | 134 ExceptionState& exceptionState) { |
| 134 if (m_marksMap.contains(markName)) | 135 if (m_marksMap.contains(markName)) |
| 135 return m_marksMap.get(markName).back()->startTime(); | 136 return m_marksMap.get(markName).back()->startTime(); |
| 136 | 137 |
| 137 if (restrictedKeyMap().contains(markName) && m_performance->timing()) { | 138 if (restrictedKeyMap().contains(markName) && m_performance->timing()) { |
| 138 double value = static_cast<double>( | 139 double value = static_cast<double>( |
| 139 (m_performance->timing()->*(restrictedKeyMap().get(markName)))()); | 140 (m_performance->timing()->*(restrictedKeyMap().get(markName)))()); |
| 140 if (!value) { | 141 if (!value) { |
| 141 exceptionState.throwDOMException( | 142 exceptionState.throwDOMException( |
| 142 InvalidAccessError, "'" + markName + | 143 InvalidAccessError, |
| 143 "' is empty: either the event hasn't " | 144 "'" + markName + |
| 144 "happened yet, or it would provide " | 145 "' is empty: either the event hasn't " |
| 145 "cross-origin timing information."); | 146 "happened yet, or it would provide " |
| 147 "cross-origin timing information."); |
| 146 return 0.0; | 148 return 0.0; |
| 147 } | 149 } |
| 148 return value - m_performance->timing()->navigationStart(); | 150 return value - m_performance->timing()->navigationStart(); |
| 149 } | 151 } |
| 150 | 152 |
| 151 exceptionState.throwDOMException( | 153 exceptionState.throwDOMException( |
| 152 SyntaxError, "The mark '" + markName + "' does not exist."); | 154 SyntaxError, "The mark '" + markName + "' does not exist."); |
| 153 return 0.0; | 155 return 0.0; |
| 154 } | 156 } |
| 155 | 157 |
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| 246 return getEntrySequenceByName(m_measuresMap, name); | 248 return getEntrySequenceByName(m_measuresMap, name); |
| 247 } | 249 } |
| 248 | 250 |
| 249 DEFINE_TRACE(UserTiming) { | 251 DEFINE_TRACE(UserTiming) { |
| 250 visitor->trace(m_performance); | 252 visitor->trace(m_performance); |
| 251 visitor->trace(m_marksMap); | 253 visitor->trace(m_marksMap); |
| 252 visitor->trace(m_measuresMap); | 254 visitor->trace(m_measuresMap); |
| 253 } | 255 } |
| 254 | 256 |
| 255 } // namespace blink | 257 } // namespace blink |
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