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// Copyright 2015 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/metrics/stability_metrics_helper.h"
#include <memory>
#include "base/process/kill.h"
#include "base/test/metrics/histogram_tester.h"
#include "build/build_config.h"
#include "components/prefs/pref_service.h"
#include "components/prefs/scoped_user_pref_update.h"
#include "components/prefs/testing_pref_service.h"
#include "extensions/buildflags/buildflags.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/metrics_proto/system_profile.pb.h"
namespace metrics {
namespace {
enum RendererType {
RENDERER_TYPE_RENDERER = 1,
RENDERER_TYPE_EXTENSION,
// NOTE: Add new action types only immediately above this line. Also,
// make sure the enum list in tools/metrics/histograms/histograms.xml is
// updated with any change in here.
RENDERER_TYPE_COUNT
};
class StabilityMetricsHelperTest : public testing::Test {
public:
StabilityMetricsHelperTest(const StabilityMetricsHelperTest&) = delete;
StabilityMetricsHelperTest& operator=(const StabilityMetricsHelperTest&) =
delete;
protected:
StabilityMetricsHelperTest() : prefs_(new TestingPrefServiceSimple) {
StabilityMetricsHelper::RegisterPrefs(prefs()->registry());
}
TestingPrefServiceSimple* prefs() { return prefs_.get(); }
private:
std::unique_ptr<TestingPrefServiceSimple> prefs_;
};
} // namespace
#if BUILDFLAG(IS_IOS)
TEST_F(StabilityMetricsHelperTest, LogRendererCrash) {
StabilityMetricsHelper helper(prefs());
base::HistogramTester histogram_tester;
helper.LogRendererCrash();
constexpr int kDummyExitCode = 105;
histogram_tester.ExpectUniqueSample("CrashExitCodes.Renderer", kDummyExitCode,
1);
histogram_tester.ExpectBucketCount("BrowserRenderProcessHost.ChildCrashes",
RENDERER_TYPE_RENDERER, 1);
histogram_tester.ExpectBucketCount("Stability.Counts2",
StabilityEventType::kRendererCrash, 1);
histogram_tester.ExpectBucketCount("Stability.Counts2",
StabilityEventType::kExtensionCrash, 0);
}
#elif !BUILDFLAG(IS_ANDROID)
TEST_F(StabilityMetricsHelperTest, LogRendererCrash) {
StabilityMetricsHelper helper(prefs());
base::HistogramTester histogram_tester;
// Crash and abnormal termination should increment renderer crash count.
helper.LogRendererCrash(RendererHostedContentType::kForegroundMainFrame,
base::TERMINATION_STATUS_PROCESS_CRASHED, 1);
helper.LogRendererCrash(RendererHostedContentType::kForegroundMainFrame,
base::TERMINATION_STATUS_ABNORMAL_TERMINATION, 1);
// OOM should increment renderer crash count.
helper.LogRendererCrash(RendererHostedContentType::kForegroundMainFrame,
base::TERMINATION_STATUS_OOM, 1);
// Kill does not increment renderer crash count.
helper.LogRendererCrash(RendererHostedContentType::kForegroundMainFrame,
base::TERMINATION_STATUS_PROCESS_WAS_KILLED, 1);
// Failed launch increments failed launch count.
helper.LogRendererCrash(RendererHostedContentType::kForegroundMainFrame,
base::TERMINATION_STATUS_LAUNCH_FAILED, 1);
histogram_tester.ExpectUniqueSample("CrashExitCodes.Renderer", 1, 3);
histogram_tester.ExpectBucketCount("BrowserRenderProcessHost.ChildCrashes",
RENDERER_TYPE_RENDERER, 3);
histogram_tester.ExpectBucketCount("Stability.Counts2",
StabilityEventType::kRendererCrash, 3);
histogram_tester.ExpectBucketCount(
"Stability.Counts2", StabilityEventType::kRendererFailedLaunch, 1);
histogram_tester.ExpectBucketCount("Stability.Counts2",
StabilityEventType::kExtensionCrash, 0);
// One launch failure each.
histogram_tester.ExpectBucketCount(
"BrowserRenderProcessHost.ChildLaunchFailures", RENDERER_TYPE_RENDERER,
1);
// TERMINATION_STATUS_PROCESS_WAS_KILLED for a renderer.
histogram_tester.ExpectBucketCount("BrowserRenderProcessHost.ChildKills",
RENDERER_TYPE_RENDERER, 1);
histogram_tester.ExpectBucketCount("BrowserRenderProcessHost.ChildKills",
RENDERER_TYPE_EXTENSION, 0);
histogram_tester.ExpectBucketCount(
"BrowserRenderProcessHost.ChildLaunchFailureCodes", 1, 1);
}
#endif
// Note: ENABLE_EXTENSIONS is set to false in Android
#if BUILDFLAG(ENABLE_EXTENSIONS)
TEST_F(StabilityMetricsHelperTest, LogRendererCrashEnableExtensions) {
StabilityMetricsHelper helper(prefs());
base::HistogramTester histogram_tester;
// Crash and abnormal termination should increment extension crash count.
helper.LogRendererCrash(RendererHostedContentType::kExtension,
base::TERMINATION_STATUS_PROCESS_CRASHED, 1);
// OOM should increment extension renderer crash count.
helper.LogRendererCrash(RendererHostedContentType::kExtension,
base::TERMINATION_STATUS_OOM, 1);
// Failed launch increments extension failed launch count.
helper.LogRendererCrash(RendererHostedContentType::kExtension,
base::TERMINATION_STATUS_LAUNCH_FAILED, 1);
histogram_tester.ExpectBucketCount("Stability.Counts2",
StabilityEventType::kRendererCrash, 0);
histogram_tester.ExpectBucketCount(
"Stability.Counts2", StabilityEventType::kExtensionRendererFailedLaunch,
1);
histogram_tester.ExpectBucketCount("Stability.Counts2",
StabilityEventType::kExtensionCrash, 2);
histogram_tester.ExpectBucketCount(
"BrowserRenderProcessHost.ChildLaunchFailureCodes", 1, 1);
histogram_tester.ExpectUniqueSample("CrashExitCodes.Extension", 1, 2);
histogram_tester.ExpectBucketCount("BrowserRenderProcessHost.ChildCrashes",
RENDERER_TYPE_EXTENSION, 2);
histogram_tester.ExpectBucketCount(
"BrowserRenderProcessHost.ChildLaunchFailures", RENDERER_TYPE_EXTENSION,
1);
}
#endif // BUILDFLAG(ENABLE_EXTENSIONS)
#if !BUILDFLAG(IS_ANDROID) && !BUILDFLAG(IS_IOS)
// Verifies that "Stability.RendererAbnormalTermination2.*" histograms are
// correctly recorded by `LogRendererCrash`.
TEST_F(StabilityMetricsHelperTest, RendererAbnormalTerminationCount) {
StabilityMetricsHelper helper(prefs());
{
// Normal termination does not record anything.
base::HistogramTester tester;
helper.LogRendererCrash(
RendererHostedContentType::kForegroundMainFrame,
base::TerminationStatus::TERMINATION_STATUS_NORMAL_TERMINATION, 0);
EXPECT_EQ("", tester.GetAllHistogramsRecorded());
}
// Test all abnormal termination status / hosted content type combinations.
for (auto status : {
base::TERMINATION_STATUS_ABNORMAL_TERMINATION,
base::TERMINATION_STATUS_PROCESS_WAS_KILLED,
base::TERMINATION_STATUS_PROCESS_CRASHED,
base::TERMINATION_STATUS_STILL_RUNNING,
#if BUILDFLAG(IS_CHROMEOS)
base::TERMINATION_STATUS_PROCESS_WAS_KILLED_BY_OOM,
#endif
base::TERMINATION_STATUS_LAUNCH_FAILED,
base::TERMINATION_STATUS_OOM,
#if BUILDFLAG(IS_WIN)
base::TERMINATION_STATUS_INTEGRITY_FAILURE,
#endif
}) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
{
base::HistogramTester tester;
helper.LogRendererCrash(RendererHostedContentType::kExtension, status, 0);
tester.ExpectUniqueSample(
"Stability.RendererAbnormalTermination2.HostedContentType",
RendererHostedContentType::kExtension, 1);
tester.ExpectUniqueSample(
"Stability.RendererAbnormalTermination2.Extension", status, 1);
}
#endif // BUILDFLAG(ENABLE_EXTENSIONS)
{
base::HistogramTester tester;
helper.LogRendererCrash(RendererHostedContentType::kForegroundMainFrame,
status, 0);
tester.ExpectUniqueSample(
"Stability.RendererAbnormalTermination2.HostedContentType",
RendererHostedContentType::kForegroundMainFrame, 1);
tester.ExpectUniqueSample(
"Stability.RendererAbnormalTermination2.ForegroundMainFrame", status,
1);
}
{
base::HistogramTester tester;
helper.LogRendererCrash(RendererHostedContentType::kForegroundSubframe,
status, 0);
tester.ExpectUniqueSample(
"Stability.RendererAbnormalTermination2.HostedContentType",
RendererHostedContentType::kForegroundSubframe, 1);
tester.ExpectUniqueSample(
"Stability.RendererAbnormalTermination2.ForegroundSubframe", status,
1);
}
{
base::HistogramTester tester;
helper.LogRendererCrash(RendererHostedContentType::kBackgroundFrame,
status, 0);
tester.ExpectUniqueSample(
"Stability.RendererAbnormalTermination2.HostedContentType",
RendererHostedContentType::kBackgroundFrame, 1);
tester.ExpectUniqueSample(
"Stability.RendererAbnormalTermination2.BackgroundFrame", status, 1);
}
{
base::HistogramTester tester;
helper.LogRendererCrash(RendererHostedContentType::kInactiveFrame, status,
0);
tester.ExpectUniqueSample(
"Stability.RendererAbnormalTermination2.HostedContentType",
RendererHostedContentType::kInactiveFrame, 1);
tester.ExpectUniqueSample(
"Stability.RendererAbnormalTermination2.InactiveFrame", status, 1);
}
{
base::HistogramTester tester;
helper.LogRendererCrash(RendererHostedContentType::kNoFrameOrExtension,
status, 0);
tester.ExpectUniqueSample(
"Stability.RendererAbnormalTermination2.HostedContentType",
RendererHostedContentType::kNoFrameOrExtension, 1);
tester.ExpectUniqueSample(
"Stability.RendererAbnormalTermination2.NoFrameOrExtension", status,
1);
}
}
}
#endif // !BUILDFLAG(IS_ANDROID) && !BUILDFLAG(IS_IOS)
} // namespace metrics
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