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Side by Side Diff: third_party/WebKit/Source/platform/Histogram.h

Issue 2388303002: reflow comments in platform/ (Closed)
Patch Set: Created 4 years, 2 months ago
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1 // Copyright 2016 The Chromium Authors. All rights reserved. 1 // Copyright 2016 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 #ifndef Histogram_h 5 #ifndef Histogram_h
6 #define Histogram_h 6 #define Histogram_h
7 7
8 #include "base/metrics/histogram_base.h" 8 #include "base/metrics/histogram_base.h"
9 #include "platform/PlatformExport.h" 9 #include "platform/PlatformExport.h"
10 #include "wtf/CurrentTime.h" 10 #include "wtf/CurrentTime.h"
(...skipping 49 matching lines...) Expand 10 before | Expand all | Expand 10 after
60 m_counter.count((WTF::monotonicallyIncreasingTime() - m_startTime) * 60 m_counter.count((WTF::monotonicallyIncreasingTime() - m_startTime) *
61 base::Time::kMicrosecondsPerSecond); 61 base::Time::kMicrosecondsPerSecond);
62 } 62 }
63 63
64 private: 64 private:
65 // In seconds. 65 // In seconds.
66 double m_startTime; 66 double m_startTime;
67 CustomCountHistogram& m_counter; 67 CustomCountHistogram& m_counter;
68 }; 68 };
69 69
70 // Use code like this to record time, in microseconds, to execute a block of cod e: 70 // Use code like this to record time, in microseconds, to execute a block of
71 // code:
71 // 72 //
72 // { 73 // {
73 // SCOPED_BLINK_UMA_HISTOGRAM_TIMER(myUmaStatName) 74 // SCOPED_BLINK_UMA_HISTOGRAM_TIMER(myUmaStatName)
74 // RunMyCode(); 75 // RunMyCode();
75 // } 76 // }
76 // This macro records all times between 0us and 10 seconds. 77 // This macro records all times between 0us and 10 seconds.
77 // Do not change this macro without renaming all metrics that use it! 78 // Do not change this macro without renaming all metrics that use it!
78 #define SCOPED_BLINK_UMA_HISTOGRAM_TIMER(name) \ 79 #define SCOPED_BLINK_UMA_HISTOGRAM_TIMER(name) \
79 DEFINE_STATIC_LOCAL(CustomCountHistogram, scopedUsCounter, \ 80 DEFINE_STATIC_LOCAL(CustomCountHistogram, scopedUsCounter, \
80 (name, 0, 10000000, 50)); \ 81 (name, 0, 10000000, 50)); \
81 ScopedUsHistogramTimer timer(scopedUsCounter); 82 ScopedUsHistogramTimer timer(scopedUsCounter);
82 83
83 } // namespace blink 84 } // namespace blink
84 85
85 #endif // Histogram_h 86 #endif // Histogram_h
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