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
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
// Copyright 2020 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 "third_party/blink/renderer/core/html/parser/html_parser_metrics.h"
#include "base/metrics/histogram_macros.h"
#include "services/metrics/public/cpp/ukm_builders.h"
namespace blink {
HTMLParserMetrics::HTMLParserMetrics(int64_t source_id,
ukm::UkmRecorder* recorder)
: source_id_(source_id), recorder_(recorder) {}
void HTMLParserMetrics::AddChunk(base::TimeDelta elapsed_time,
unsigned tokens_parsed) {
DCHECK(base::TimeTicks::IsHighResolution());
++chunk_count_;
accumulated_parsing_time_ += elapsed_time;
if (elapsed_time < min_parsing_time_)
min_parsing_time_ = elapsed_time;
if (elapsed_time > max_parsing_time_)
max_parsing_time_ = elapsed_time;
total_tokens_parsed_ += tokens_parsed;
if (tokens_parsed < min_tokens_parsed_)
min_tokens_parsed_ = tokens_parsed;
if (tokens_parsed > max_tokens_parsed_)
max_tokens_parsed_ = tokens_parsed;
}
void HTMLParserMetrics::AddYieldInterval(base::TimeDelta elapsed_time) {
DCHECK(base::TimeTicks::IsHighResolution());
yield_count_++;
accumulated_yield_intervals_ += elapsed_time;
if (elapsed_time < min_yield_interval_)
min_yield_interval_ = elapsed_time;
if (elapsed_time > max_yield_interval_)
max_yield_interval_ = elapsed_time;
}
void HTMLParserMetrics::AddInput(unsigned length) {
input_character_count += length;
}
void HTMLParserMetrics::ReportBackgroundParsingUMA() {
UMA_HISTOGRAM_COUNTS_1000("Blink.HTMLParsing.ChunkCount", chunk_count_);
UMA_HISTOGRAM_CUSTOM_MICROSECONDS_TIMES(
"Blink.HTMLParsing.ParsingTimeMax", max_parsing_time_,
base::TimeDelta::FromMicroseconds(1), base::TimeDelta::FromSeconds(100),
1000);
UMA_HISTOGRAM_CUSTOM_MICROSECONDS_TIMES("Blink.HTMLParsing.ParsingTimeMin",
min_parsing_time_,
base::TimeDelta::FromMicroseconds(1),
base::TimeDelta::FromSeconds(1), 100);
UMA_HISTOGRAM_CUSTOM_MICROSECONDS_TIMES(
"Blink.HTMLParsing.ParsingTimeTotal", accumulated_parsing_time_,
base::TimeDelta::FromMicroseconds(1), base::TimeDelta::FromSeconds(100),
1000);
UMA_HISTOGRAM_COUNTS_1M("Blink.HTMLParsing.TokensParsedMax",
max_tokens_parsed_);
UMA_HISTOGRAM_COUNTS_10000("Blink.HTMLParsing.TokensParsedMin",
min_tokens_parsed_);
UMA_HISTOGRAM_COUNTS_1M("Blink.HTMLParsing.TokensParsedAverage",
total_tokens_parsed_ / chunk_count_);
UMA_HISTOGRAM_COUNTS_10M("Blink.HTMLParsing.TokensParsedTotal",
total_tokens_parsed_);
// Only report yield data if we actually yielded.
if (max_yield_interval_ != base::TimeDelta()) {
UMA_HISTOGRAM_CUSTOM_MICROSECONDS_TIMES(
"Blink.HTMLParsing.YieldedTimeMax", max_yield_interval_,
base::TimeDelta::FromMicroseconds(1), base::TimeDelta::FromSeconds(100),
1000);
UMA_HISTOGRAM_CUSTOM_MICROSECONDS_TIMES(
"Blink.HTMLParsing.YieldedTimeMin", min_yield_interval_,
base::TimeDelta::FromMicroseconds(1), base::TimeDelta::FromSeconds(10),
100);
UMA_HISTOGRAM_CUSTOM_MICROSECONDS_TIMES(
"Blink.HTMLParsing.YieldedTimeAverage",
accumulated_yield_intervals_ / yield_count_,
base::TimeDelta::FromMicroseconds(1), base::TimeDelta::FromSeconds(10),
100);
}
}
void HTMLParserMetrics::ReportForcedSynchronousParsingUMA() {
UMA_HISTOGRAM_COUNTS_1000("Blink.HTMLParsing.ChunkCount2", chunk_count_);
UMA_HISTOGRAM_CUSTOM_MICROSECONDS_TIMES(
"Blink.HTMLParsing.ParsingTimeMax2", max_parsing_time_,
base::TimeDelta::FromMicroseconds(1), base::TimeDelta::FromSeconds(100),
1000);
UMA_HISTOGRAM_CUSTOM_MICROSECONDS_TIMES("Blink.HTMLParsing.ParsingTimeMin2",
min_parsing_time_,
base::TimeDelta::FromMicroseconds(1),
base::TimeDelta::FromSeconds(1), 100);
UMA_HISTOGRAM_CUSTOM_MICROSECONDS_TIMES(
"Blink.HTMLParsing.ParsingTimeTotal2", accumulated_parsing_time_,
base::TimeDelta::FromMicroseconds(1), base::TimeDelta::FromSeconds(100),
1000);
UMA_HISTOGRAM_COUNTS_1M("Blink.HTMLParsing.TokensParsedMax2",
max_tokens_parsed_);
UMA_HISTOGRAM_COUNTS_10000("Blink.HTMLParsing.TokensParsedMin2",
min_tokens_parsed_);
UMA_HISTOGRAM_COUNTS_1M("Blink.HTMLParsing.TokensParsedAverage2",
total_tokens_parsed_ / chunk_count_);
UMA_HISTOGRAM_COUNTS_10M("Blink.HTMLParsing.TokensParsedTotal2",
total_tokens_parsed_);
// Only report yield data if we actually yielded.
if (max_yield_interval_ != base::TimeDelta()) {
UMA_HISTOGRAM_CUSTOM_MICROSECONDS_TIMES(
"Blink.HTMLParsing.YieldedTimeMax2", max_yield_interval_,
base::TimeDelta::FromMicroseconds(1), base::TimeDelta::FromSeconds(100),
1000);
UMA_HISTOGRAM_CUSTOM_MICROSECONDS_TIMES(
"Blink.HTMLParsing.YieldedTimeMin2", min_yield_interval_,
base::TimeDelta::FromMicroseconds(1), base::TimeDelta::FromSeconds(10),
100);
UMA_HISTOGRAM_CUSTOM_MICROSECONDS_TIMES(
"Blink.HTMLParsing.YieldedTimeAverage2",
accumulated_yield_intervals_ / yield_count_,
base::TimeDelta::FromMicroseconds(1), base::TimeDelta::FromSeconds(10),
100);
}
UMA_HISTOGRAM_COUNTS_10M("Blink.HTMLParsing.InputCharacterCount",
input_character_count);
}
void HTMLParserMetrics::ReportMetricsAtParseEnd(bool background_parsing) {
if (!chunk_count_)
return;
if (background_parsing)
ReportBackgroundParsingUMA();
else
ReportForcedSynchronousParsingUMA();
// Build and report UKM
ukm::builders::Blink_HTMLParsing builder(source_id_);
builder.SetChunkCount(chunk_count_);
builder.SetParsingTimeMax(max_parsing_time_.InMicroseconds());
builder.SetParsingTimeMin(min_parsing_time_.InMicroseconds());
builder.SetParsingTimeTotal(accumulated_parsing_time_.InMicroseconds());
builder.SetTokensParsedMax(max_tokens_parsed_);
builder.SetTokensParsedMin(min_tokens_parsed_);
builder.SetTokensParsedAverage(total_tokens_parsed_ / chunk_count_);
builder.SetTokensParsedTotal(total_tokens_parsed_);
if (accumulated_yield_intervals_ != base::TimeDelta()) {
builder.SetYieldedTimeMax(max_yield_interval_.InMicroseconds());
builder.SetYieldedTimeMin(min_yield_interval_.InMicroseconds());
builder.SetYieldedTimeAverage(
accumulated_yield_intervals_.InMicroseconds() / yield_count_);
}
builder.Record(recorder_);
}
} // namespace blink
|
