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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 "cc/trees/proxy_timing_history.h" | 5 #include "cc/trees/proxy_timing_history.h" |
6 | 6 |
7 #include "base/metrics/histogram.h" | 7 #include "base/metrics/histogram.h" |
8 | 8 |
9 const size_t kDurationHistorySize = 60; | 9 const size_t kDurationHistorySize = 60; |
10 const double kCommitAndActivationDurationEstimationPercentile = 50.0; | 10 const double kCommitAndActivationDurationEstimationPercentile = 50.0; |
11 const double kDrawDurationEstimationPercentile = 100.0; | 11 const double kDrawDurationEstimationPercentile = 100.0; |
12 const int kDrawDurationEstimatePaddingInMicroseconds = 0; | 12 const int kDrawDurationEstimatePaddingInMicroseconds = 1000; |
13 | 13 |
14 namespace cc { | 14 namespace cc { |
15 | 15 |
16 ProxyTimingHistory::ProxyTimingHistory( | 16 ProxyTimingHistory::ProxyTimingHistory( |
17 RenderingStatsInstrumentation* rendering_stats_instrumentation) | 17 RenderingStatsInstrumentation* rendering_stats_instrumentation) |
18 : draw_duration_history_(kDurationHistorySize), | 18 : draw_duration_history_(kDurationHistorySize), |
19 begin_main_frame_to_commit_duration_history_(kDurationHistorySize), | 19 begin_main_frame_to_commit_duration_history_(kDurationHistorySize), |
20 commit_to_activate_duration_history_(kDurationHistorySize), | 20 commit_to_activate_duration_history_(kDurationHistorySize), |
21 rendering_stats_instrumentation_(rendering_stats_instrumentation) { | 21 rendering_stats_instrumentation_(rendering_stats_instrumentation) { |
22 } | 22 } |
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115 base::TimeDelta::FromMilliseconds(100), | 115 base::TimeDelta::FromMilliseconds(100), |
116 50); | 116 50); |
117 UMA_HISTOGRAM_CUSTOM_TIMES("Renderer.DrawDurationOverestimate", | 117 UMA_HISTOGRAM_CUSTOM_TIMES("Renderer.DrawDurationOverestimate", |
118 draw_duration_overestimate, | 118 draw_duration_overestimate, |
119 base::TimeDelta::FromMilliseconds(1), | 119 base::TimeDelta::FromMilliseconds(1), |
120 base::TimeDelta::FromMilliseconds(100), | 120 base::TimeDelta::FromMilliseconds(100), |
121 50); | 121 50); |
122 } | 122 } |
123 | 123 |
124 } // namespace cc | 124 } // namespace cc |
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