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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/crash/content/browser/crash_metrics_reporter_android.h"
#include <string_view>
#include "base/check.h"
#include "base/check_is_test.h"
#include "base/metrics/histogram_functions.h"
#include "base/metrics/histogram_macros.h"
#include "base/metrics/user_metrics.h"
#include "base/process/process_metrics.h"
#include "base/rand_util.h"
#include "base/strings/strcat.h"
#include "components/crash/content/browser/process_exit_reason_from_system_android.h"
namespace crash_reporter {
namespace {
constexpr char kKillSpareRendererAvailabilityIntentionalKillUMAName[] =
"Stability.Android.KillSpareRendererAvailability.IntentionalKill";
constexpr char kKillSpareRendererAvailabilityOOMUMAName[] =
"Stability.Android.KillSpareRendererAvailability.OOM";
void ReportCrashCount(CrashMetricsReporter::ProcessedCrashCounts crash_type,
CrashMetricsReporter::ReportedCrashTypeSet* counts) {
UMA_HISTOGRAM_ENUMERATION("Stability.Android.ProcessedCrashCounts",
crash_type);
counts->insert(crash_type);
}
void RecordSystemExitReason(
base::ProcessHandle pid,
const CrashMetricsReporter::ReportedCrashTypeSet& reported_counts) {
std::string_view suffix;
if (reported_counts.count(CrashMetricsReporter::ProcessedCrashCounts::
kRendererForegroundVisibleSubframeOom) > 0) {
suffix = "VisibleSubframeOom";
} else if (reported_counts.count(CrashMetricsReporter::ProcessedCrashCounts::
kRendererForegroundVisibleOom) > 0) {
suffix = "VisibleMainFrameOom";
} else if (reported_counts.count(CrashMetricsReporter::ProcessedCrashCounts::
kGpuForegroundOom) > 0) {
suffix = "GpuForegroundOom";
} else if (reported_counts.count(CrashMetricsReporter::ProcessedCrashCounts::
kUtilityForegroundOom) > 0) {
suffix = "UtilityForegroundOom";
}
if (!suffix.empty()) {
ProcessExitReasonFromSystem::RecordExitReasonToUma(
pid, base::StrCat({"Stability.Android.SystemExitReason.", suffix}));
}
}
void RecordSpareRendererAvailability(bool is_oom_kill,
bool is_intentioal_kill,
bool is_spare_renderer_killed,
bool has_spare_renderer) {
if (!is_oom_kill && !is_intentioal_kill) {
return;
}
using SpareRendererAvailabilityWhenKilled =
CrashMetricsReporter::SpareRendererAvailabilityWhenKilled;
SpareRendererAvailabilityWhenKilled availability;
if (is_spare_renderer_killed) {
availability = SpareRendererAvailabilityWhenKilled::kKillSpareRenderer;
} else if (has_spare_renderer) {
availability = SpareRendererAvailabilityWhenKilled::
kKillNonSpareRendererWithSpareRender;
} else {
availability = SpareRendererAvailabilityWhenKilled::
kKillNonSpareRendererWithoutSpareRenderer;
}
const char* target_uma_name =
is_oom_kill ? kKillSpareRendererAvailabilityOOMUMAName
: kKillSpareRendererAvailabilityIntentionalKillUMAName;
base::UmaHistogramEnumeration(target_uma_name, availability);
}
} // namespace
// static
CrashMetricsReporter* CrashMetricsReporter::GetInstance() {
static CrashMetricsReporter* instance = new CrashMetricsReporter();
return instance;
}
CrashMetricsReporter::CrashMetricsReporter()
: async_observers_(
base::MakeRefCounted<
base::ObserverListThreadSafe<CrashMetricsReporter::Observer>>()) {
}
CrashMetricsReporter::~CrashMetricsReporter() = default;
void CrashMetricsReporter::AddObserver(
CrashMetricsReporter::Observer* observer) {
async_observers_->AddObserver(observer);
}
void CrashMetricsReporter::RemoveObserver(
CrashMetricsReporter::Observer* observer) {
async_observers_->RemoveObserver(observer);
}
void CrashMetricsReporter::ChildProcessExited(
const ChildExitObserver::TerminationInfo& info) {
ReportedCrashTypeSet reported_counts;
const bool crashed = info.is_crashed();
const bool app_foreground =
info.app_state ==
base::android::APPLICATION_STATE_HAS_RUNNING_ACTIVITIES ||
info.app_state == base::android::APPLICATION_STATE_HAS_PAUSED_ACTIVITIES;
const bool intentional_kill = info.was_killed_intentionally_by_browser;
const bool android_oom_kill = !info.was_killed_intentionally_by_browser &&
!crashed && !info.normal_termination &&
!info.renderer_shutdown_requested;
const bool renderer_visible = info.renderer_has_visible_clients;
const bool renderer_subframe = info.renderer_was_subframe;
const bool renderer_allocation_failed =
info.blink_oom_metrics.allocation_failed;
const uint64_t available_memory_kb =
info.blink_oom_metrics.current_available_memory_kb;
const uint64_t swap_free_kb = info.blink_oom_metrics.current_swap_free_kb;
RecordSpareRendererAvailability(android_oom_kill, intentional_kill,
info.is_spare_renderer,
info.has_spare_renderer);
if (app_foreground && android_oom_kill) {
if (info.process_type == content::PROCESS_TYPE_GPU) {
ReportCrashCount(ProcessedCrashCounts::kGpuForegroundOom,
&reported_counts);
} else if (info.process_type == content::PROCESS_TYPE_UTILITY) {
ReportCrashCount(ProcessedCrashCounts::kUtilityForegroundOom,
&reported_counts);
}
}
if (info.process_type == content::PROCESS_TYPE_RENDERER &&
!intentional_kill && !info.normal_termination &&
renderer_allocation_failed) {
ReportCrashCount(ProcessedCrashCounts::kRendererAllocationFailureAll,
&reported_counts);
if (app_foreground && renderer_visible) {
ReportCrashCount(
ProcessedCrashCounts::kRendererForegroundVisibleAllocationFailure,
&reported_counts);
}
}
if (info.process_type == content::PROCESS_TYPE_RENDERER && app_foreground) {
if (renderer_visible) {
if (crashed) {
ReportCrashCount(
renderer_subframe
? ProcessedCrashCounts::kRendererForegroundVisibleSubframeCrash
: ProcessedCrashCounts::kRendererForegroundVisibleCrash,
&reported_counts);
} else if (intentional_kill) {
ReportCrashCount(
renderer_subframe
? ProcessedCrashCounts::
kRendererForegroundVisibleSubframeIntentionalKill
: ProcessedCrashCounts::
kRendererForegroundVisibleMainFrameIntentionalKill,
&reported_counts);
} else if (info.normal_termination) {
ReportCrashCount(ProcessedCrashCounts::
kRendererForegroundVisibleNormalTermNoMinidump,
&reported_counts);
} else if (!info.renderer_shutdown_requested) {
DCHECK(android_oom_kill);
if (renderer_subframe) {
ReportCrashCount(
ProcessedCrashCounts::kRendererForegroundVisibleSubframeOom,
&reported_counts);
} else {
ReportCrashCount(ProcessedCrashCounts::kRendererForegroundVisibleOom,
&reported_counts);
base::RecordAction(
base::UserMetricsAction("RendererForegroundMainFrameOOM"));
}
base::SystemMemoryInfoKB meminfo;
base::GetSystemMemoryInfo(&meminfo);
base::UmaHistogramMemoryLargeMB(
"Memory.Experimental.Renderer.TotalMemoryAfterOOM",
meminfo.total / 1024);
base::UmaHistogramMemoryLargeMB(
"Memory.Experimental.Renderer.AvailableMemoryAfterOOM",
meminfo.available / 1024);
base::UmaHistogramMemoryLargeMB(
"Memory.Experimental.Renderer.SwapFreeAfterOOM",
meminfo.swap_free / 1024);
base::UmaHistogramMemoryLargeMB(
"Memory.Experimental.Renderer.AvailableMemoryBeforeOOM",
available_memory_kb / 1024);
base::UmaHistogramMemoryLargeMB(
"Memory.Experimental.Renderer.SwapFreeBeforeOOM",
swap_free_kb / 1024);
}
} else if (!crashed) {
// Record stats when renderer is not visible, but the process has oom
// protected bindings. This case occurs when a tab is switched or closed,
// the bindings are updated later than visibility on web contents.
switch (info.binding_state) {
case base::android::ChildBindingState::UNBOUND:
break;
case base::android::ChildBindingState::WAIVED:
if (intentional_kill || info.normal_termination) {
ReportCrashCount(
ProcessedCrashCounts::
kRendererForegroundInvisibleWithWaivedBindingKilled,
&reported_counts);
} else {
ReportCrashCount(
ProcessedCrashCounts::
kRendererForegroundInvisibleWithWaivedBindingOom,
&reported_counts);
}
break;
case base::android::ChildBindingState::STRONG:
if (intentional_kill || info.normal_termination) {
ReportCrashCount(
ProcessedCrashCounts::
kRendererForegroundInvisibleWithStrongBindingKilled,
&reported_counts);
} else {
ReportCrashCount(
ProcessedCrashCounts::
kRendererForegroundInvisibleWithStrongBindingOom,
&reported_counts);
}
break;
case base::android::ChildBindingState::VISIBLE:
if (intentional_kill || info.normal_termination) {
ReportCrashCount(
ProcessedCrashCounts::
kRendererForegroundInvisibleWithVisibleBindingKilled,
&reported_counts);
} else {
ReportCrashCount(
ProcessedCrashCounts::
kRendererForegroundInvisibleWithVisibleBindingOom,
&reported_counts);
}
break;
case base::android::ChildBindingState::NOT_PERCEPTIBLE:
if (intentional_kill || info.normal_termination) {
ReportCrashCount(
ProcessedCrashCounts::
kRendererForegroundInvisibleWithNotPerceptibleBindingKilled,
&reported_counts);
} else {
ReportCrashCount(
ProcessedCrashCounts::
kRendererForegroundInvisibleWithNotPerceptibleBindingOom,
&reported_counts);
}
break;
}
}
}
if (info.process_type == content::PROCESS_TYPE_RENDERER &&
(info.app_state ==
base::android::APPLICATION_STATE_HAS_RUNNING_ACTIVITIES ||
info.app_state ==
base::android::APPLICATION_STATE_HAS_PAUSED_ACTIVITIES) &&
info.was_killed_intentionally_by_browser) {
ReportCrashCount(ProcessedCrashCounts::kRendererForegroundIntentionalKill,
&reported_counts);
}
if (crashed) {
if (info.process_type == content::PROCESS_TYPE_RENDERER) {
ReportCrashCount(ProcessedCrashCounts::kRendererCrashAll,
&reported_counts);
} else if (info.process_type == content::PROCESS_TYPE_GPU) {
ReportCrashCount(ProcessedCrashCounts::kGpuCrashAll, &reported_counts);
} else if (info.process_type == content::PROCESS_TYPE_UTILITY) {
ReportCrashCount(ProcessedCrashCounts::kUtilityCrashAll,
&reported_counts);
}
}
if (!info.was_killed_intentionally_by_browser && !crashed &&
!info.normal_termination && info.renderer_shutdown_requested) {
ReportCrashCount(ProcessedCrashCounts::kRendererProcessHostShutdown,
&reported_counts);
}
RecordSystemExitReason(info.pid, reported_counts);
NotifyObservers(info.process_host_id, reported_counts);
}
void CrashMetricsReporter::NotifyObservers(
int rph_id,
const CrashMetricsReporter::ReportedCrashTypeSet& reported_counts) {
async_observers_->Notify(
FROM_HERE, &CrashMetricsReporter::Observer::OnCrashDumpProcessed, rph_id,
reported_counts);
}
} // namespace crash_reporter
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