1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
|
// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "cc/debug/frame_timing_tracker.h"
#include <stdint.h>
#include <algorithm>
#include <limits>
#include "base/metrics/histogram.h"
#include "cc/trees/layer_tree_host_impl.h"
#include "cc/trees/proxy.h"
namespace cc {
namespace {
int kSendTimingIntervalMS = 200;
}
FrameTimingTracker::CompositeTimingEvent::CompositeTimingEvent(
int _frame_id,
base::TimeTicks _timestamp)
: frame_id(_frame_id), timestamp(_timestamp) {
}
FrameTimingTracker::CompositeTimingEvent::~CompositeTimingEvent() {
}
FrameTimingTracker::MainFrameTimingEvent::MainFrameTimingEvent(
int frame_id,
base::TimeTicks timestamp,
base::TimeTicks end_time)
: frame_id(frame_id), timestamp(timestamp), end_time(end_time) {
}
FrameTimingTracker::MainFrameTimingEvent::~MainFrameTimingEvent() {
}
// static
scoped_ptr<FrameTimingTracker> FrameTimingTracker::Create(
LayerTreeHostImpl* layer_tree_host_impl) {
return make_scoped_ptr(new FrameTimingTracker(layer_tree_host_impl));
}
FrameTimingTracker::FrameTimingTracker(LayerTreeHostImpl* layer_tree_host_impl)
: layer_tree_host_impl_(layer_tree_host_impl),
post_events_notifier_(
layer_tree_host_impl_->GetTaskRunner(),
base::Bind(&FrameTimingTracker::PostEvents, base::Unretained(this)),
base::TimeDelta::FromMilliseconds(kSendTimingIntervalMS)) {}
FrameTimingTracker::~FrameTimingTracker() {
}
void FrameTimingTracker::SaveTimeStamps(
base::TimeTicks timestamp,
const std::vector<FrameAndRectIds>& frame_ids) {
if (!composite_events_)
composite_events_.reset(new CompositeTimingSet);
for (const auto& pair : frame_ids) {
(*composite_events_)[pair.second].push_back(
CompositeTimingEvent(pair.first, timestamp));
}
if (!post_events_notifier_.HasPendingNotification())
post_events_notifier_.Schedule();
}
void FrameTimingTracker::SaveMainFrameTimeStamps(
const std::vector<int64_t>& request_ids,
base::TimeTicks main_frame_time,
base::TimeTicks end_time,
int source_frame_number) {
if (!main_frame_events_)
main_frame_events_.reset(new MainFrameTimingSet);
for (const auto& request : request_ids) {
std::vector<MainFrameTimingEvent>& events = (*main_frame_events_)[request];
events.push_back(
MainFrameTimingEvent(source_frame_number, main_frame_time, end_time));
}
if (!post_events_notifier_.HasPendingNotification())
post_events_notifier_.Schedule();
}
scoped_ptr<FrameTimingTracker::CompositeTimingSet>
FrameTimingTracker::GroupCompositeCountsByRectId() {
if (!composite_events_)
return make_scoped_ptr(new CompositeTimingSet);
for (auto& infos : *composite_events_) {
std::sort(
infos.second.begin(), infos.second.end(),
[](const CompositeTimingEvent& lhs, const CompositeTimingEvent& rhs) {
return lhs.timestamp < rhs.timestamp;
});
}
return std::move(composite_events_);
}
scoped_ptr<FrameTimingTracker::MainFrameTimingSet>
FrameTimingTracker::GroupMainFrameCountsByRectId() {
if (!main_frame_events_)
return make_scoped_ptr(new MainFrameTimingSet);
for (auto& infos : *main_frame_events_) {
std::sort(
infos.second.begin(), infos.second.end(),
[](const MainFrameTimingEvent& lhs, const MainFrameTimingEvent& rhs) {
return lhs.timestamp < rhs.timestamp;
});
}
return std::move(main_frame_events_);
}
void FrameTimingTracker::PostEvents() {
layer_tree_host_impl_->PostFrameTimingEvents(GroupCompositeCountsByRectId(),
GroupMainFrameCountsByRectId());
}
} // namespace cc
|
