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
|
// Copyright 2014 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 "chromecast/browser/metrics/cast_stability_metrics_provider.h"
#include <vector>
#include "base/logging.h"
#include "base/metrics/histogram.h"
#include "base/metrics/sparse_histogram.h"
#include "base/prefs/pref_registry_simple.h"
#include "base/prefs/pref_service.h"
#include "chromecast/browser/cast_browser_process.h"
#include "chromecast/browser/metrics/cast_metrics_service_client.h"
#include "chromecast/common/pref_names.h"
#include "components/metrics/metrics_service.h"
#include "components/metrics/proto/system_profile.pb.h"
#include "content/public/browser/child_process_data.h"
#include "content/public/browser/navigation_controller.h"
#include "content/public/browser/notification_service.h"
#include "content/public/browser/notification_types.h"
#include "content/public/browser/render_process_host.h"
namespace chromecast {
namespace metrics {
namespace {
void IncrementPrefValue(const char* path) {
PrefService* pref = shell::CastBrowserProcess::GetInstance()->pref_service();
DCHECK(pref);
int value = pref->GetInteger(path);
pref->SetInteger(path, value + 1);
}
// Converts an exit code into something that can be inserted into our
// histograms (which expect non-negative numbers less than MAX_INT).
int MapCrashExitCodeForHistogram(int exit_code) {
return std::abs(exit_code);
}
} // namespace
// static
void CastStabilityMetricsProvider::RegisterPrefs(PrefRegistrySimple* registry) {
registry->RegisterIntegerPref(prefs::kStabilityRendererCrashCount, 0);
registry->RegisterIntegerPref(prefs::kStabilityRendererHangCount, 0);
registry->RegisterIntegerPref(prefs::kStabilityChildProcessCrashCount, 0);
}
CastStabilityMetricsProvider::CastStabilityMetricsProvider(
::metrics::MetricsService* metrics_service)
: metrics_service_(metrics_service) {
BrowserChildProcessObserver::Add(this);
}
CastStabilityMetricsProvider::~CastStabilityMetricsProvider() {
BrowserChildProcessObserver::Remove(this);
}
void CastStabilityMetricsProvider::OnRecordingEnabled() {
registrar_.Add(this,
content::NOTIFICATION_RENDERER_PROCESS_CLOSED,
content::NotificationService::AllSources());
registrar_.Add(this,
content::NOTIFICATION_RENDER_WIDGET_HOST_HANG,
content::NotificationService::AllSources());
}
void CastStabilityMetricsProvider::OnRecordingDisabled() {
registrar_.RemoveAll();
}
void CastStabilityMetricsProvider::ProvideStabilityMetrics(
::metrics::SystemProfileProto* system_profile_proto) {
PrefService* pref = shell::CastBrowserProcess::GetInstance()->pref_service();
::metrics::SystemProfileProto_Stability* stability_proto =
system_profile_proto->mutable_stability();
int count = pref->GetInteger(prefs::kStabilityChildProcessCrashCount);
if (count) {
stability_proto->set_child_process_crash_count(count);
pref->SetInteger(prefs::kStabilityChildProcessCrashCount, 0);
}
count = pref->GetInteger(prefs::kStabilityRendererCrashCount);
if (count) {
stability_proto->set_renderer_crash_count(count);
pref->SetInteger(prefs::kStabilityRendererCrashCount, 0);
}
count = pref->GetInteger(prefs::kStabilityRendererHangCount);
if (count) {
stability_proto->set_renderer_hang_count(count);
pref->SetInteger(prefs::kStabilityRendererHangCount, 0);
}
}
void CastStabilityMetricsProvider::LogExternalCrash(
const std::string& crash_type) {
if (crash_type == "user")
IncrementPrefValue(prefs::kStabilityOtherUserCrashCount);
else if (crash_type == "kernel")
IncrementPrefValue(prefs::kStabilityKernelCrashCount);
else if (crash_type == "uncleanshutdown")
IncrementPrefValue(prefs::kStabilitySystemUncleanShutdownCount);
else
NOTREACHED() << "Unexpected crash type " << crash_type;
// Wake up metrics logs sending if necessary now that new
// log data is available.
metrics_service_->OnApplicationNotIdle();
}
void CastStabilityMetricsProvider::Observe(
int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {
switch (type) {
case content::NOTIFICATION_RENDERER_PROCESS_CLOSED: {
content::RenderProcessHost::RendererClosedDetails* process_details =
content::Details<content::RenderProcessHost::RendererClosedDetails>(
details).ptr();
content::RenderProcessHost* host =
content::Source<content::RenderProcessHost>(source).ptr();
LogRendererCrash(
host, process_details->status, process_details->exit_code);
break;
}
case content::NOTIFICATION_RENDER_WIDGET_HOST_HANG:
LogRendererHang();
break;
default:
NOTREACHED();
break;
}
}
void CastStabilityMetricsProvider::BrowserChildProcessCrashed(
const content::ChildProcessData& data) {
IncrementPrefValue(prefs::kStabilityChildProcessCrashCount);
}
void CastStabilityMetricsProvider::LogRendererCrash(
content::RenderProcessHost* host,
base::TerminationStatus status,
int exit_code) {
if (status == base::TERMINATION_STATUS_PROCESS_CRASHED ||
status == base::TERMINATION_STATUS_ABNORMAL_TERMINATION) {
IncrementPrefValue(prefs::kStabilityRendererCrashCount);
UMA_HISTOGRAM_SPARSE_SLOWLY("CrashExitCodes.Renderer",
MapCrashExitCodeForHistogram(exit_code));
UMA_HISTOGRAM_PERCENTAGE("BrowserRenderProcessHost.ChildCrashes", 1);
} else if (status == base::TERMINATION_STATUS_PROCESS_WAS_KILLED) {
UMA_HISTOGRAM_PERCENTAGE("BrowserRenderProcessHost.ChildKills", 1);
} else if (status == base::TERMINATION_STATUS_STILL_RUNNING) {
UMA_HISTOGRAM_PERCENTAGE("BrowserRenderProcessHost.DisconnectedAlive", 1);
}
}
void CastStabilityMetricsProvider::LogRendererHang() {
IncrementPrefValue(prefs::kStabilityRendererHangCount);
}
} // namespace metrics
} // namespace chromecast
|
