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// 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 "chrome/browser/metrics/chrome_stability_metrics_provider.h"
#include <vector>
#include "base/logging.h"
#include "base/metrics/histogram.h"
#include "base/metrics/sparse_histogram.h"
#include "chrome/browser/chrome_notification_types.h"
#include "chrome/common/chrome_constants.h"
#include "content/public/browser/child_process_data.h"
#include "content/public/browser/notification_service.h"
#include "content/public/browser/render_process_host.h"
#if defined(ENABLE_EXTENSIONS)
#include "extensions/browser/process_map.h"
#endif
#if defined(ENABLE_PLUGINS)
#include "chrome/browser/metrics/plugin_metrics_provider.h"
#endif
#if defined(OS_WIN)
#include <windows.h> // Needed for STATUS_* codes
#include "chrome/installer/util/install_util.h"
#include "components/browser_watcher/crash_reporting_metrics_win.h"
#endif
namespace {
#if defined(OS_WIN)
void CountBrowserCrashDumpAttempts() {
enum Outcome {
OUTCOME_SUCCESS,
OUTCOME_FAILURE,
OUTCOME_UNKNOWN,
OUTCOME_MAX_VALUE
};
browser_watcher::CrashReportingMetrics::Values metrics =
browser_watcher::CrashReportingMetrics(
InstallUtil::IsChromeSxSProcess()
? chrome::kBrowserCrashDumpAttemptsRegistryPathSxS
: chrome::kBrowserCrashDumpAttemptsRegistryPath)
.RetrieveAndResetMetrics();
for (int i = 0; i < metrics.crash_dump_attempts; ++i) {
Outcome outcome = OUTCOME_UNKNOWN;
if (i < metrics.successful_crash_dumps)
outcome = OUTCOME_SUCCESS;
else if (i < metrics.successful_crash_dumps + metrics.failed_crash_dumps)
outcome = OUTCOME_FAILURE;
UMA_STABILITY_HISTOGRAM_ENUMERATION("CrashReport.BreakpadCrashDumpOutcome",
outcome, OUTCOME_MAX_VALUE);
}
for (int i = 0; i < metrics.dump_without_crash_attempts; ++i) {
Outcome outcome = OUTCOME_UNKNOWN;
if (i < metrics.successful_dumps_without_crash) {
outcome = OUTCOME_SUCCESS;
} else if (i < metrics.successful_dumps_without_crash +
metrics.failed_dumps_without_crash) {
outcome = OUTCOME_FAILURE;
}
UMA_STABILITY_HISTOGRAM_ENUMERATION(
"CrashReport.BreakpadDumpWithoutCrashOutcome", outcome,
OUTCOME_MAX_VALUE);
}
}
#endif // defined(OS_WIN)
} // namespace
ChromeStabilityMetricsProvider::ChromeStabilityMetricsProvider(
PrefService* local_state)
: helper_(local_state) {
BrowserChildProcessObserver::Add(this);
}
ChromeStabilityMetricsProvider::~ChromeStabilityMetricsProvider() {
BrowserChildProcessObserver::Remove(this);
}
void ChromeStabilityMetricsProvider::OnRecordingEnabled() {
registrar_.Add(this,
content::NOTIFICATION_LOAD_START,
content::NotificationService::AllSources());
registrar_.Add(this,
content::NOTIFICATION_RENDERER_PROCESS_CLOSED,
content::NotificationService::AllSources());
registrar_.Add(this,
content::NOTIFICATION_RENDER_WIDGET_HOST_HANG,
content::NotificationService::AllSources());
}
void ChromeStabilityMetricsProvider::OnRecordingDisabled() {
registrar_.RemoveAll();
}
void ChromeStabilityMetricsProvider::ProvideStabilityMetrics(
metrics::SystemProfileProto* system_profile_proto) {
helper_.ProvideStabilityMetrics(system_profile_proto);
#if defined(OS_WIN)
CountBrowserCrashDumpAttempts();
#endif // defined(OS_WIN)
}
void ChromeStabilityMetricsProvider::ClearSavedStabilityMetrics() {
helper_.ClearSavedStabilityMetrics();
}
void ChromeStabilityMetricsProvider::Observe(
int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {
switch (type) {
case content::NOTIFICATION_LOAD_START: {
helper_.LogLoadStarted();
break;
}
case content::NOTIFICATION_RENDERER_PROCESS_CLOSED: {
content::RenderProcessHost::RendererClosedDetails* process_details =
content::Details<content::RenderProcessHost::RendererClosedDetails>(
details).ptr();
bool was_extension_process = false;
#if defined(ENABLE_EXTENSIONS)
content::RenderProcessHost* host =
content::Source<content::RenderProcessHost>(source).ptr();
if (extensions::ProcessMap::Get(host->GetBrowserContext())
->Contains(host->GetID())) {
was_extension_process = true;
}
#endif
helper_.LogRendererCrash(was_extension_process, process_details->status,
process_details->exit_code);
break;
}
case content::NOTIFICATION_RENDER_WIDGET_HOST_HANG:
helper_.LogRendererHang();
break;
default:
NOTREACHED();
break;
}
}
void ChromeStabilityMetricsProvider::BrowserChildProcessCrashed(
const content::ChildProcessData& data,
int exit_code) {
#if defined(ENABLE_PLUGINS)
// Exclude plugin crashes from the count below because we report them via
// a separate UMA metric.
if (PluginMetricsProvider::IsPluginProcess(data.process_type))
return;
#endif
helper_.BrowserChildProcessCrashed();
}
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