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
|
// Copyright (c) 2012 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 "chrome/browser/ui/webui/metrics_handler.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/logging.h"
#include "base/metrics/histogram_macros.h"
#include "base/metrics/user_metrics.h"
#include "base/strings/utf_string_conversions.h"
#include "base/values.h"
#include "build/build_config.h"
#include "chrome/browser/ui/tab_contents/core_tab_helper.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_ui.h"
using base::ListValue;
using base::UserMetricsAction;
using content::WebContents;
MetricsHandler::MetricsHandler() {}
MetricsHandler::~MetricsHandler() {}
void MetricsHandler::RegisterMessages() {
web_ui()->RegisterMessageCallback(
"metricsHandler:recordAction",
base::Bind(&MetricsHandler::HandleRecordAction, base::Unretained(this)));
web_ui()->RegisterMessageCallback(
"metricsHandler:recordInHistogram",
base::Bind(&MetricsHandler::HandleRecordInHistogram,
base::Unretained(this)));
web_ui()->RegisterMessageCallback(
"metricsHandler:recordBooleanHistogram",
base::Bind(&MetricsHandler::HandleRecordBooleanHistogram,
base::Unretained(this)));
web_ui()->RegisterMessageCallback(
"metricsHandler:recordTime",
base::Bind(&MetricsHandler::HandleRecordTime, base::Unretained(this)));
web_ui()->RegisterMessageCallback(
"metricsHandler:logEventTime",
base::Bind(&MetricsHandler::HandleLogEventTime, base::Unretained(this)));
}
void MetricsHandler::HandleRecordAction(const base::ListValue* args) {
std::string string_action = base::UTF16ToUTF8(ExtractStringValue(args));
base::RecordComputedAction(string_action);
}
void MetricsHandler::HandleRecordInHistogram(const base::ListValue* args) {
std::string histogram_name;
double value;
double boundary_value;
if (!args->GetString(0, &histogram_name) ||
!args->GetDouble(1, &value) ||
!args->GetDouble(2, &boundary_value)) {
NOTREACHED();
return;
}
int int_value = static_cast<int>(value);
int int_boundary_value = static_cast<int>(boundary_value);
if (int_boundary_value >= 4000 ||
int_value > int_boundary_value ||
int_value < 0) {
NOTREACHED();
return;
}
int bucket_count = int_boundary_value;
while (bucket_count >= 100) {
bucket_count /= 10;
}
// As |histogram_name| may change between calls, the UMA_HISTOGRAM_ENUMERATION
// macro cannot be used here.
base::HistogramBase* counter =
base::LinearHistogram::FactoryGet(
histogram_name, 1, int_boundary_value, bucket_count + 1,
base::HistogramBase::kUmaTargetedHistogramFlag);
counter->Add(int_value);
}
void MetricsHandler::HandleRecordBooleanHistogram(const base::ListValue* args) {
std::string histogram_name;
bool value;
if (!args->GetString(0, &histogram_name) || !args->GetBoolean(1, &value)) {
NOTREACHED();
return;
}
base::HistogramBase* counter = base::BooleanHistogram::FactoryGet(
histogram_name, base::HistogramBase::kUmaTargetedHistogramFlag);
counter->AddBoolean(value);
}
void MetricsHandler::HandleRecordTime(const base::ListValue* args) {
std::string histogram_name;
double value;
if (!args->GetString(0, &histogram_name) ||
!args->GetDouble(1, &value) ||
value < 0) {
NOTREACHED();
return;
}
base::TimeDelta time_value = base::TimeDelta::FromMilliseconds(value);
base::HistogramBase* counter = base::Histogram::FactoryTimeGet(
histogram_name, base::TimeDelta::FromMilliseconds(1),
base::TimeDelta::FromSeconds(10), 50,
base::HistogramBase::kUmaTargetedHistogramFlag);
counter->AddTime(time_value);
}
void MetricsHandler::HandleLogEventTime(const base::ListValue* args) {
std::string event_name = base::UTF16ToUTF8(ExtractStringValue(args));
WebContents* tab = web_ui()->GetWebContents();
// Not all new tab pages get timed. In those cases, we don't have a
// new_tab_start_time_.
CoreTabHelper* core_tab_helper = CoreTabHelper::FromWebContents(tab);
if (core_tab_helper->new_tab_start_time().is_null())
return;
base::TimeDelta duration =
base::TimeTicks::Now() - core_tab_helper->new_tab_start_time();
if (event_name == "Tab.NewTabScriptStart") {
UMA_HISTOGRAM_TIMES("Tab.NewTabScriptStart", duration);
} else if (event_name == "Tab.NewTabDOMContentLoaded") {
UMA_HISTOGRAM_TIMES("Tab.NewTabDOMContentLoaded", duration);
} else if (event_name == "Tab.NewTabOnload") {
UMA_HISTOGRAM_TIMES("Tab.NewTabOnload", duration);
// The new tab page has finished loading; reset it.
CoreTabHelper* core_tab_helper = CoreTabHelper::FromWebContents(tab);
core_tab_helper->set_new_tab_start_time(base::TimeTicks());
} else {
NOTREACHED();
}
}
|
