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
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
|
// 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 "chrome/browser/android/metrics/uma_session_stats.h"
#include "base/android/jni_string.h"
#include "base/command_line.h"
#include "base/metrics/histogram.h"
#include "base/prefs/pref_service.h"
#include "base/strings/string_number_conversions.h"
#include "base/time/time.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/metrics/chrome_metrics_service_accessor.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/pref_names.h"
#include "chrome/installer/util/google_update_settings.h"
#include "components/metrics/metrics_pref_names.h"
#include "components/metrics/metrics_service.h"
#include "components/metrics_services_manager/metrics_services_manager.h"
#include "components/variations/metrics_util.h"
#include "components/variations/variations_associated_data.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/user_metrics.h"
#include "jni/UmaSessionStats_jni.h"
using base::android::ConvertJavaStringToUTF8;
using base::UserMetricsAction;
namespace {
UmaSessionStats* g_uma_session_stats = NULL;
} // namespace
UmaSessionStats::UmaSessionStats()
: active_session_count_(0) {
}
UmaSessionStats::~UmaSessionStats() {
}
void UmaSessionStats::UmaResumeSession(JNIEnv* env,
const JavaParamRef<jobject>& obj) {
DCHECK(g_browser_process);
if (active_session_count_ == 0) {
session_start_time_ = base::TimeTicks::Now();
// Tell the metrics service that the application resumes.
metrics::MetricsService* metrics = g_browser_process->metrics_service();
if (metrics) {
metrics->OnAppEnterForeground();
}
}
++active_session_count_;
}
void UmaSessionStats::UmaEndSession(JNIEnv* env,
const JavaParamRef<jobject>& obj) {
--active_session_count_;
DCHECK_GE(active_session_count_, 0);
if (active_session_count_ == 0) {
base::TimeDelta duration = base::TimeTicks::Now() - session_start_time_;
UMA_HISTOGRAM_LONG_TIMES("Session.TotalDuration", duration);
DCHECK(g_browser_process);
// Tell the metrics service it was cleanly shutdown.
metrics::MetricsService* metrics = g_browser_process->metrics_service();
if (metrics) {
metrics->OnAppEnterBackground();
}
}
}
// static
void UmaSessionStats::RegisterSyntheticFieldTrialWithNameHash(
uint32_t trial_name_hash,
const std::string& group_name) {
ChromeMetricsServiceAccessor::RegisterSyntheticFieldTrialWithNameHash(
trial_name_hash, group_name);
}
// static
void UmaSessionStats::RegisterSyntheticFieldTrial(
const std::string& trial_name,
const std::string& group_name) {
ChromeMetricsServiceAccessor::RegisterSyntheticFieldTrial(trial_name,
group_name);
}
// Starts/stops the MetricsService when permissions have changed.
// There are three possible states:
// * Logs are being recorded and being uploaded to the server.
// * Logs are being recorded, but not being uploaded to the server.
// This happens when we've got permission to upload on Wi-Fi but we're on a
// mobile connection (for example).
// * Logs are neither being recorded or uploaded.
static void UpdateMetricsServiceState(JNIEnv* env,
const JavaParamRef<jobject>& obj,
jboolean may_record,
jboolean may_upload) {
metrics::MetricsService* metrics = g_browser_process->metrics_service();
DCHECK(metrics);
if (metrics->recording_active() != may_record) {
// This function puts a consent file with the ClientID in the
// data directory. The ID is passed to the renderer for crash
// reporting when things go wrong.
content::BrowserThread::GetBlockingPool()->PostTask(FROM_HERE,
base::Bind(
base::IgnoreResult(GoogleUpdateSettings::SetCollectStatsConsent),
may_record));
}
g_browser_process->GetMetricsServicesManager()->UpdatePermissions(
may_record, may_upload);
}
// Renderer process crashed in the foreground.
static void LogRendererCrash(JNIEnv*, const JavaParamRef<jclass>&) {
DCHECK(g_browser_process);
// Increment the renderer crash count in stability metrics.
PrefService* pref = g_browser_process->local_state();
DCHECK(pref);
int value = pref->GetInteger(metrics::prefs::kStabilityRendererCrashCount);
pref->SetInteger(metrics::prefs::kStabilityRendererCrashCount, value + 1);
}
static void RegisterExternalExperiment(JNIEnv* env,
const JavaParamRef<jclass>& clazz,
jint study_id,
jint experiment_id) {
const std::string group_name_utf8 = base::IntToString(experiment_id);
variations::ActiveGroupId active_group;
active_group.name = static_cast<uint32_t>(study_id);
active_group.group = metrics::HashName(group_name_utf8);
variations::AssociateGoogleVariationIDForceHashes(
variations::GOOGLE_WEB_PROPERTIES, active_group,
static_cast<variations::VariationID>(experiment_id));
UmaSessionStats::RegisterSyntheticFieldTrialWithNameHash(
static_cast<uint32_t>(study_id), group_name_utf8);
}
static void RegisterSyntheticFieldTrial(
JNIEnv* env,
const JavaParamRef<jclass>& clazz,
const JavaParamRef<jstring>& jtrial_name,
const JavaParamRef<jstring>& jgroup_name) {
std::string trial_name(ConvertJavaStringToUTF8(env, jtrial_name));
std::string group_name(ConvertJavaStringToUTF8(env, jgroup_name));
UmaSessionStats::RegisterSyntheticFieldTrial(trial_name, group_name);
}
static void RecordMultiWindowSession(JNIEnv*,
const JavaParamRef<jclass>&,
jint area_percent,
jint instance_count) {
UMA_HISTOGRAM_PERCENTAGE("MobileStartup.MobileMultiWindowSession",
area_percent);
// Make sure the bucket count is the same as the range. This currently
// expects no more than 10 simultaneous multi window instances.
UMA_HISTOGRAM_CUSTOM_COUNTS("MobileStartup.MobileMultiWindowInstances",
instance_count,
1 /* min */,
10 /* max */,
10 /* bucket count */);
}
static void RecordTabCountPerLoad(JNIEnv*,
const JavaParamRef<jclass>&,
jint num_tabs) {
// Record how many tabs total are open.
UMA_HISTOGRAM_CUSTOM_COUNTS("Tabs.TabCountPerLoad", num_tabs, 1, 200, 50);
}
static void RecordPageLoaded(JNIEnv*,
const JavaParamRef<jclass>&,
jboolean is_desktop_user_agent) {
// Should be called whenever a page has been loaded.
content::RecordAction(UserMetricsAction("MobilePageLoaded"));
if (is_desktop_user_agent) {
content::RecordAction(
UserMetricsAction("MobilePageLoadedDesktopUserAgent"));
}
}
static void RecordPageLoadedWithKeyboard(JNIEnv*, const JavaParamRef<jclass>&) {
content::RecordAction(UserMetricsAction("MobilePageLoadedWithKeyboard"));
}
static jlong Init(JNIEnv* env, const JavaParamRef<jclass>& obj) {
// We should have only one UmaSessionStats instance.
DCHECK(!g_uma_session_stats);
g_uma_session_stats = new UmaSessionStats();
return reinterpret_cast<intptr_t>(g_uma_session_stats);
}
// Register native methods
bool RegisterUmaSessionStats(JNIEnv* env) {
return RegisterNativesImpl(env);
}
|
