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1 // Copyright 2015 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "cc/debug/frame_timing_tracker.h" | |
6 | |
7 #include <algorithm> | |
8 #include <limits> | |
9 | |
10 #include "base/metrics/histogram.h" | |
11 #include "cc/trees/proxy.h" | |
12 | |
13 namespace cc { | |
14 | |
15 FrameTimingTracker::CompositeTimingEvent::CompositeTimingEvent( | |
16 int _frame_id, | |
17 base::TimeTicks _timestamp) | |
18 : frame_id(_frame_id), timestamp(_timestamp) { | |
19 } | |
20 | |
21 FrameTimingTracker::CompositeTimingEvent::~CompositeTimingEvent() { | |
22 } | |
23 | |
24 // static | |
25 scoped_ptr<FrameTimingTracker> FrameTimingTracker::Create() { | |
26 return make_scoped_ptr(new FrameTimingTracker); | |
27 } | |
28 | |
29 FrameTimingTracker::FrameTimingTracker() { | |
30 } | |
31 | |
32 FrameTimingTracker::~FrameTimingTracker() { | |
33 } | |
34 | |
35 void FrameTimingTracker::SaveTimeStamps( | |
36 base::TimeTicks timestamp, | |
37 const std::vector<FrameAndRectIds>& frame_ids) { | |
38 if (!composite_events_) | |
39 composite_events_.reset(new CompositeTimingSet); | |
40 for (const auto& pair : frame_ids) | |
41 (*composite_events_)[pair.second].push_back( | |
42 CompositeTimingEvent(pair.first, timestamp)); | |
43 } | |
44 | |
45 scoped_ptr<FrameTimingTracker::CompositeTimingSet> | |
46 FrameTimingTracker::GroupCountsByRectId() { | |
47 if (!composite_events_) | |
48 return make_scoped_ptr(new CompositeTimingSet); | |
49 scoped_ptr<CompositeTimingSet> composite_info(new CompositeTimingSet); | |
50 for (auto& infos : *composite_events_) | |
51 std::sort( | |
52 infos.second.begin(), infos.second.end(), | |
53 [](const CompositeTimingEvent& lhs, const CompositeTimingEvent& rhs) { | |
54 return lhs.timestamp < rhs.timestamp; | |
55 }); | |
56 return composite_events_.Pass(); | |
57 } | |
58 | |
59 } // namespace cc | |
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