blob: 07585564f47f1ef4c7e1859b4b4db11ddaa5cd13 [file] [log] [blame]
// 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 "content/browser/service_worker/service_worker_metrics.h"
#include <limits>
#include <string>
#include "base/metrics/histogram_macros.h"
#include "base/metrics/sparse_histogram.h"
#include "base/strings/string_util.h"
#include "content/browser/service_worker/embedded_worker_status.h"
#include "content/common/service_worker/service_worker_types.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/content_browser_client.h"
#include "content/public/common/content_client.h"
namespace content {
namespace {
std::string StartSituationToSuffix(
ServiceWorkerMetrics::StartSituation situation) {
// Don't change these returned strings. They are written (in hashed form) into
// logs.
switch (situation) {
case ServiceWorkerMetrics::StartSituation::DURING_STARTUP:
return "_DuringStartup";
case ServiceWorkerMetrics::StartSituation::NEW_PROCESS:
return "_NewProcess";
case ServiceWorkerMetrics::StartSituation::EXISTING_PROCESS:
return "_ExistingProcess";
default:
NOTREACHED() << static_cast<int>(situation);
}
return "_Unknown";
}
std::string EventTypeToSuffix(ServiceWorkerMetrics::EventType event_type) {
// Don't change these returned strings. They are written (in hashed form) into
// logs.
switch (event_type) {
case ServiceWorkerMetrics::EventType::ACTIVATE:
return "_ACTIVATE";
case ServiceWorkerMetrics::EventType::INSTALL:
return "_INSTALL";
case ServiceWorkerMetrics::EventType::SYNC:
return "_SYNC";
case ServiceWorkerMetrics::EventType::NOTIFICATION_CLICK:
return "_NOTIFICATION_CLICK";
case ServiceWorkerMetrics::EventType::PUSH:
return "_PUSH";
case ServiceWorkerMetrics::EventType::MESSAGE:
return "_MESSAGE";
case ServiceWorkerMetrics::EventType::NOTIFICATION_CLOSE:
return "_NOTIFICATION_CLOSE";
case ServiceWorkerMetrics::EventType::FETCH_MAIN_FRAME:
return "_FETCH_MAIN_FRAME";
case ServiceWorkerMetrics::EventType::FETCH_SUB_FRAME:
return "_FETCH_SUB_FRAME";
case ServiceWorkerMetrics::EventType::FETCH_SHARED_WORKER:
return "_FETCH_SHARED_WORKER";
case ServiceWorkerMetrics::EventType::FETCH_SUB_RESOURCE:
return "_FETCH_SUB_RESOURCE";
case ServiceWorkerMetrics::EventType::UNKNOWN:
return "_UNKNOWN";
case ServiceWorkerMetrics::EventType::FOREIGN_FETCH:
return "_FOREIGN_FETCH";
case ServiceWorkerMetrics::EventType::FETCH_WAITUNTIL:
return "_FETCH_WAITUNTIL";
case ServiceWorkerMetrics::EventType::FOREIGN_FETCH_WAITUNTIL:
return "_FOREIGN_FETCH_WAITUNTIL";
case ServiceWorkerMetrics::EventType::NUM_TYPES:
NOTREACHED() << static_cast<int>(event_type);
}
return "_UNKNOWN";
}
std::string GetWorkerPreparationSuffix(
EmbeddedWorkerStatus initial_worker_status,
ServiceWorkerMetrics::StartSituation start_situation) {
switch (initial_worker_status) {
case EmbeddedWorkerStatus::STOPPED: {
switch (start_situation) {
case ServiceWorkerMetrics::StartSituation::DURING_STARTUP:
return "_StartWorkerDuringStartup";
case ServiceWorkerMetrics::StartSituation::NEW_PROCESS:
return "_StartWorkerNewProcess";
case ServiceWorkerMetrics::StartSituation::EXISTING_PROCESS:
return "_StartWorkerExistingProcess";
default:
NOTREACHED() << static_cast<int>(start_situation);
}
}
case EmbeddedWorkerStatus::STARTING:
return "_StartingWorker";
case EmbeddedWorkerStatus::RUNNING:
return "_RunningWorker";
case EmbeddedWorkerStatus::STOPPING:
return "_StoppingWorker";
}
NOTREACHED();
return "_UNKNOWN";
}
// Use this for histograms with dynamically generated names, which
// otherwise can't use the UMA_HISTOGRAM macro without code duplication.
void RecordSuffixedTimeHistogram(const std::string& name,
const std::string& suffix,
base::TimeDelta sample) {
const std::string name_with_suffix = name + suffix;
// This unrolls UMA_HISTOGRAM_MEDIUM_TIMES.
base::HistogramBase* histogram_pointer = base::Histogram::FactoryTimeGet(
name_with_suffix, base::TimeDelta::FromMilliseconds(10),
base::TimeDelta::FromMinutes(3), 50,
base::HistogramBase::kUmaTargetedHistogramFlag);
histogram_pointer->AddTime(sample);
}
// Use this for histograms with dynamically generated names, which
// otherwise can't use the UMA_HISTOGRAM macro without code duplication.
void RecordSuffixedStatusHistogram(const std::string& name,
const std::string& suffix,
ServiceWorkerStatusCode status) {
const std::string name_with_suffix = name + suffix;
// This unrolls UMA_HISTOGRAM_ENUMERATION.
base::HistogramBase* histogram_pointer = base::LinearHistogram::FactoryGet(
name_with_suffix, 1, SERVICE_WORKER_ERROR_MAX_VALUE,
SERVICE_WORKER_ERROR_MAX_VALUE + 1,
base::HistogramBase::kUmaTargetedHistogramFlag);
histogram_pointer->Add(status);
}
void RecordURLMetricOnUI(const GURL& url) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
GetContentClient()->browser()->RecordURLMetric(
"ServiceWorker.ControlledPageUrl", url);
}
ServiceWorkerMetrics::Site SiteFromURL(const GURL& gurl) {
// UIThreadSearchTermsData::GoogleBaseURLValue() returns the google base
// URL, but not available in content layer.
static const char google_like_scope_prefix[] = "https://www.google.";
static const char ntp_scope_path[] = "/_/chrome/";
if (base::StartsWith(gurl.spec(), google_like_scope_prefix,
base::CompareCase::INSENSITIVE_ASCII) &&
base::StartsWith(gurl.path(), ntp_scope_path,
base::CompareCase::SENSITIVE)) {
return ServiceWorkerMetrics::Site::NEW_TAB_PAGE;
}
return ServiceWorkerMetrics::Site::OTHER;
}
enum EventHandledRatioType {
EVENT_HANDLED_NONE,
EVENT_HANDLED_SOME,
EVENT_HANDLED_ALL,
NUM_EVENT_HANDLED_RATIO_TYPE,
};
} // namespace
const char* ServiceWorkerMetrics::EventTypeToString(EventType event_type) {
switch (event_type) {
case EventType::ACTIVATE:
return "Activate";
case EventType::INSTALL:
return "Install";
case EventType::SYNC:
return "Sync";
case EventType::NOTIFICATION_CLICK:
return "Notification Click";
case EventType::NOTIFICATION_CLOSE:
return "Notification Close";
case EventType::PUSH:
return "Push";
case EventType::MESSAGE:
return "Message";
case EventType::FETCH_MAIN_FRAME:
return "Fetch Main Frame";
case EventType::FETCH_SUB_FRAME:
return "Fetch Sub Frame";
case EventType::FETCH_SHARED_WORKER:
return "Fetch Shared Worker";
case EventType::FETCH_SUB_RESOURCE:
return "Fetch Subresource";
case EventType::UNKNOWN:
return "Unknown";
case EventType::FOREIGN_FETCH:
return "Foreign Fetch";
case EventType::FETCH_WAITUNTIL:
return "Fetch WaitUntil";
case EventType::FOREIGN_FETCH_WAITUNTIL:
return "Foreign Fetch WaitUntil";
case EventType::NUM_TYPES:
break;
}
NOTREACHED() << "Got unexpected event type: " << static_cast<int>(event_type);
return "error";
}
bool ServiceWorkerMetrics::ShouldExcludeSiteFromHistogram(Site site) {
return site == ServiceWorkerMetrics::Site::NEW_TAB_PAGE;
}
bool ServiceWorkerMetrics::ShouldExcludeURLFromHistogram(const GURL& url) {
return ShouldExcludeSiteFromHistogram(SiteFromURL(url));
}
void ServiceWorkerMetrics::CountInitDiskCacheResult(bool result) {
UMA_HISTOGRAM_BOOLEAN("ServiceWorker.DiskCache.InitResult", result);
}
void ServiceWorkerMetrics::CountReadResponseResult(
ServiceWorkerMetrics::ReadResponseResult result) {
UMA_HISTOGRAM_ENUMERATION("ServiceWorker.DiskCache.ReadResponseResult",
result, NUM_READ_RESPONSE_RESULT_TYPES);
}
void ServiceWorkerMetrics::CountWriteResponseResult(
ServiceWorkerMetrics::WriteResponseResult result) {
UMA_HISTOGRAM_ENUMERATION("ServiceWorker.DiskCache.WriteResponseResult",
result, NUM_WRITE_RESPONSE_RESULT_TYPES);
}
void ServiceWorkerMetrics::CountOpenDatabaseResult(
ServiceWorkerDatabase::Status status) {
UMA_HISTOGRAM_ENUMERATION("ServiceWorker.Database.OpenResult",
status, ServiceWorkerDatabase::STATUS_ERROR_MAX);
}
void ServiceWorkerMetrics::CountReadDatabaseResult(
ServiceWorkerDatabase::Status status) {
UMA_HISTOGRAM_ENUMERATION("ServiceWorker.Database.ReadResult",
status, ServiceWorkerDatabase::STATUS_ERROR_MAX);
}
void ServiceWorkerMetrics::CountWriteDatabaseResult(
ServiceWorkerDatabase::Status status) {
UMA_HISTOGRAM_ENUMERATION("ServiceWorker.Database.WriteResult",
status, ServiceWorkerDatabase::STATUS_ERROR_MAX);
}
void ServiceWorkerMetrics::RecordDestroyDatabaseResult(
ServiceWorkerDatabase::Status status) {
UMA_HISTOGRAM_ENUMERATION("ServiceWorker.Database.DestroyDatabaseResult",
status, ServiceWorkerDatabase::STATUS_ERROR_MAX);
}
void ServiceWorkerMetrics::RecordPurgeResourceResult(int net_error) {
UMA_HISTOGRAM_SPARSE_SLOWLY("ServiceWorker.Storage.PurgeResourceResult",
std::abs(net_error));
}
void ServiceWorkerMetrics::RecordDeleteAndStartOverResult(
DeleteAndStartOverResult result) {
UMA_HISTOGRAM_ENUMERATION("ServiceWorker.Storage.DeleteAndStartOverResult",
result, NUM_DELETE_AND_START_OVER_RESULT_TYPES);
}
void ServiceWorkerMetrics::CountControlledPageLoad(const GURL& url,
bool has_fetch_handler,
bool is_main_frame_load) {
Site site = SiteFromURL(url);
if (site == Site::OTHER) {
site = (has_fetch_handler) ? Site::WITH_FETCH_HANDLER
: Site::WITHOUT_FETCH_HANDLER;
}
UMA_HISTOGRAM_ENUMERATION("ServiceWorker.PageLoad", static_cast<int>(site),
static_cast<int>(Site::NUM_TYPES));
if (is_main_frame_load) {
UMA_HISTOGRAM_ENUMERATION("ServiceWorker.MainFramePageLoad",
static_cast<int>(site),
static_cast<int>(Site::NUM_TYPES));
}
if (ShouldExcludeSiteFromHistogram(site))
return;
BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
base::Bind(&RecordURLMetricOnUI, url));
}
void ServiceWorkerMetrics::RecordStartWorkerStatus(
ServiceWorkerStatusCode status,
EventType purpose,
bool is_installed) {
if (!is_installed) {
UMA_HISTOGRAM_ENUMERATION("ServiceWorker.StartNewWorker.Status", status,
SERVICE_WORKER_ERROR_MAX_VALUE);
return;
}
UMA_HISTOGRAM_ENUMERATION("ServiceWorker.StartWorker.Status", status,
SERVICE_WORKER_ERROR_MAX_VALUE);
RecordSuffixedStatusHistogram("ServiceWorker.StartWorker.StatusByPurpose",
EventTypeToSuffix(purpose), status);
UMA_HISTOGRAM_ENUMERATION("ServiceWorker.StartWorker.Purpose",
static_cast<int>(purpose),
static_cast<int>(EventType::NUM_TYPES));
if (status == SERVICE_WORKER_ERROR_TIMEOUT) {
UMA_HISTOGRAM_ENUMERATION("ServiceWorker.StartWorker.Timeout.StartPurpose",
static_cast<int>(purpose),
static_cast<int>(EventType::NUM_TYPES));
}
}
void ServiceWorkerMetrics::RecordStartWorkerTime(base::TimeDelta time,
bool is_installed,
StartSituation start_situation,
EventType purpose) {
if (is_installed) {
std::string name = "ServiceWorker.StartWorker.Time";
UMA_HISTOGRAM_MEDIUM_TIMES(name, time);
RecordSuffixedTimeHistogram(name, StartSituationToSuffix(start_situation),
time);
RecordSuffixedTimeHistogram(
"ServiceWorker.StartWorker.Time",
StartSituationToSuffix(start_situation) + EventTypeToSuffix(purpose),
time);
} else {
UMA_HISTOGRAM_MEDIUM_TIMES("ServiceWorker.StartNewWorker.Time", time);
}
}
void ServiceWorkerMetrics::RecordActivatedWorkerPreparationTimeForMainFrame(
base::TimeDelta time,
EmbeddedWorkerStatus initial_worker_status,
StartSituation start_situation) {
std::string name =
"ServiceWorker.ActivatedWorkerPreparationForMainFrame.Time";
UMA_HISTOGRAM_MEDIUM_TIMES(name, time);
RecordSuffixedTimeHistogram(
name, GetWorkerPreparationSuffix(initial_worker_status, start_situation),
time);
}
void ServiceWorkerMetrics::RecordWorkerStopped(StopStatus status) {
UMA_HISTOGRAM_ENUMERATION("ServiceWorker.WorkerStopped",
static_cast<int>(status),
static_cast<int>(StopStatus::NUM_TYPES));
}
void ServiceWorkerMetrics::RecordStopWorkerTime(base::TimeDelta time) {
UMA_HISTOGRAM_MEDIUM_TIMES("ServiceWorker.StopWorker.Time", time);
}
void ServiceWorkerMetrics::RecordActivateEventStatus(
ServiceWorkerStatusCode status,
bool is_shutdown) {
UMA_HISTOGRAM_ENUMERATION("ServiceWorker.ActivateEventStatus", status,
SERVICE_WORKER_ERROR_MAX_VALUE);
if (is_shutdown) {
UMA_HISTOGRAM_ENUMERATION("ServiceWorker.ActivateEventStatus_InShutdown",
status, SERVICE_WORKER_ERROR_MAX_VALUE);
} else {
UMA_HISTOGRAM_ENUMERATION("ServiceWorker.ActivateEventStatus_NotInShutdown",
status, SERVICE_WORKER_ERROR_MAX_VALUE);
}
}
void ServiceWorkerMetrics::RecordInstallEventStatus(
ServiceWorkerStatusCode status) {
UMA_HISTOGRAM_ENUMERATION("ServiceWorker.InstallEventStatus", status,
SERVICE_WORKER_ERROR_MAX_VALUE);
}
void ServiceWorkerMetrics::RecordEventHandledRatio(EventType event,
size_t handled_events,
size_t fired_events) {
if (!fired_events)
return;
EventHandledRatioType type = EVENT_HANDLED_SOME;
if (fired_events == handled_events)
type = EVENT_HANDLED_ALL;
else if (handled_events == 0)
type = EVENT_HANDLED_NONE;
// For now Fetch and Foreign Fetch are the only types that are recorded.
switch (event) {
case EventType::FETCH_MAIN_FRAME:
case EventType::FETCH_SUB_FRAME:
case EventType::FETCH_SHARED_WORKER:
case EventType::FETCH_SUB_RESOURCE:
UMA_HISTOGRAM_ENUMERATION("ServiceWorker.EventHandledRatioType.Fetch",
type, NUM_EVENT_HANDLED_RATIO_TYPE);
break;
case EventType::FOREIGN_FETCH:
UMA_HISTOGRAM_ENUMERATION(
"ServiceWorker.EventHandledRatioType.ForeignFetch", type,
NUM_EVENT_HANDLED_RATIO_TYPE);
break;
default:
// Do nothing.
break;
}
}
void ServiceWorkerMetrics::RecordEventTimeout(EventType event) {
UMA_HISTOGRAM_ENUMERATION("ServiceWorker.RequestTimeouts.Count",
static_cast<int>(event),
static_cast<int>(EventType::NUM_TYPES));
}
void ServiceWorkerMetrics::RecordEventDuration(EventType event,
base::TimeDelta time,
bool was_handled) {
switch (event) {
case EventType::ACTIVATE:
UMA_HISTOGRAM_MEDIUM_TIMES("ServiceWorker.ActivateEvent.Time", time);
break;
case EventType::INSTALL:
UMA_HISTOGRAM_MEDIUM_TIMES("ServiceWorker.InstallEvent.Time", time);
break;
case EventType::FETCH_MAIN_FRAME:
case EventType::FETCH_SUB_FRAME:
case EventType::FETCH_SHARED_WORKER:
case EventType::FETCH_SUB_RESOURCE:
if (was_handled) {
UMA_HISTOGRAM_MEDIUM_TIMES("ServiceWorker.FetchEvent.HasResponse.Time",
time);
} else {
UMA_HISTOGRAM_MEDIUM_TIMES("ServiceWorker.FetchEvent.Fallback.Time",
time);
}
break;
case EventType::FETCH_WAITUNTIL:
UMA_HISTOGRAM_MEDIUM_TIMES("ServiceWorker.FetchEvent.WaitUntil.Time",
time);
break;
case EventType::FOREIGN_FETCH:
if (was_handled) {
UMA_HISTOGRAM_MEDIUM_TIMES(
"ServiceWorker.ForeignFetchEvent.HasResponse.Time", time);
} else {
UMA_HISTOGRAM_MEDIUM_TIMES(
"ServiceWorker.ForeignFetchEvent.Fallback.Time", time);
}
break;
case EventType::FOREIGN_FETCH_WAITUNTIL:
UMA_HISTOGRAM_MEDIUM_TIMES(
"ServiceWorker.ForeignFetchEvent.WaitUntil.Time", time);
break;
case EventType::SYNC:
UMA_HISTOGRAM_MEDIUM_TIMES("ServiceWorker.BackgroundSyncEvent.Time",
time);
break;
case EventType::NOTIFICATION_CLICK:
UMA_HISTOGRAM_MEDIUM_TIMES("ServiceWorker.NotificationClickEvent.Time",
time);
break;
case EventType::NOTIFICATION_CLOSE:
UMA_HISTOGRAM_MEDIUM_TIMES("ServiceWorker.NotificationCloseEvent.Time",
time);
break;
case EventType::PUSH:
UMA_HISTOGRAM_MEDIUM_TIMES("ServiceWorker.PushEvent.Time", time);
break;
case EventType::MESSAGE:
UMA_HISTOGRAM_MEDIUM_TIMES("ServiceWorker.ExtendableMessageEvent.Time",
time);
break;
case EventType::UNKNOWN:
case EventType::NUM_TYPES:
NOTREACHED() << "Invalid event type";
break;
}
}
void ServiceWorkerMetrics::RecordFetchEventStatus(
bool is_main_resource,
ServiceWorkerStatusCode status) {
if (is_main_resource) {
UMA_HISTOGRAM_ENUMERATION("ServiceWorker.FetchEvent.MainResource.Status",
status, SERVICE_WORKER_ERROR_MAX_VALUE);
} else {
UMA_HISTOGRAM_ENUMERATION("ServiceWorker.FetchEvent.Subresource.Status",
status, SERVICE_WORKER_ERROR_MAX_VALUE);
}
}
void ServiceWorkerMetrics::RecordURLRequestJobResult(
bool is_main_resource,
URLRequestJobResult result) {
if (is_main_resource) {
UMA_HISTOGRAM_ENUMERATION("ServiceWorker.URLRequestJob.MainResource.Result",
result, NUM_REQUEST_JOB_RESULT_TYPES);
} else {
UMA_HISTOGRAM_ENUMERATION("ServiceWorker.URLRequestJob.Subresource.Result",
result, NUM_REQUEST_JOB_RESULT_TYPES);
}
}
void ServiceWorkerMetrics::RecordStatusZeroResponseError(
bool is_main_resource,
blink::WebServiceWorkerResponseError error) {
if (is_main_resource) {
UMA_HISTOGRAM_ENUMERATION(
"ServiceWorker.URLRequestJob.MainResource.StatusZeroError", error,
blink::WebServiceWorkerResponseErrorLast + 1);
} else {
UMA_HISTOGRAM_ENUMERATION(
"ServiceWorker.URLRequestJob.Subresource.StatusZeroError", error,
blink::WebServiceWorkerResponseErrorLast + 1);
}
}
void ServiceWorkerMetrics::RecordFallbackedRequestMode(FetchRequestMode mode) {
UMA_HISTOGRAM_ENUMERATION("ServiceWorker.URLRequestJob.FallbackedRequestMode",
mode, FETCH_REQUEST_MODE_LAST + 1);
}
void ServiceWorkerMetrics::RecordTimeBetweenEvents(base::TimeDelta time) {
UMA_HISTOGRAM_MEDIUM_TIMES("ServiceWorker.TimeBetweenEvents", time);
}
void ServiceWorkerMetrics::RecordProcessCreated(bool is_new_process) {
UMA_HISTOGRAM_BOOLEAN("EmbeddedWorkerInstance.ProcessCreated",
is_new_process);
}
void ServiceWorkerMetrics::RecordTimeToSendStartWorker(
base::TimeDelta duration,
StartSituation situation) {
std::string name = "EmbeddedWorkerInstance.Start.TimeToSendStartWorker";
UMA_HISTOGRAM_MEDIUM_TIMES(name, duration);
RecordSuffixedTimeHistogram(name, StartSituationToSuffix(situation),
duration);
}
void ServiceWorkerMetrics::RecordTimeToURLJob(base::TimeDelta duration,
StartSituation situation) {
std::string name = "EmbeddedWorkerInstance.Start.TimeToURLJob";
UMA_HISTOGRAM_MEDIUM_TIMES(name, duration);
RecordSuffixedTimeHistogram(name, StartSituationToSuffix(situation),
duration);
}
void ServiceWorkerMetrics::RecordTimeToLoad(base::TimeDelta duration,
LoadSource source,
StartSituation situation) {
std::string name;
switch (source) {
case LoadSource::NETWORK:
name = "EmbeddedWorkerInstance.Start.TimeToLoad.Network";
UMA_HISTOGRAM_MEDIUM_TIMES(name, duration);
RecordSuffixedTimeHistogram(name, StartSituationToSuffix(situation),
duration);
break;
case LoadSource::HTTP_CACHE:
name = "EmbeddedWorkerInstance.Start.TimeToLoad.HttpCache";
UMA_HISTOGRAM_MEDIUM_TIMES(name, duration);
RecordSuffixedTimeHistogram(name, StartSituationToSuffix(situation),
duration);
break;
case LoadSource::SERVICE_WORKER_STORAGE:
name = "EmbeddedWorkerInstance.Start.TimeToLoad.InstalledScript";
UMA_HISTOGRAM_MEDIUM_TIMES(name, duration);
RecordSuffixedTimeHistogram(name, StartSituationToSuffix(situation),
duration);
break;
default:
NOTREACHED() << static_cast<int>(source);
}
}
void ServiceWorkerMetrics::RecordTimeToStartThread(base::TimeDelta duration,
StartSituation situation) {
std::string name = "EmbeddedWorkerInstance.Start.TimeToStartThread";
UMA_HISTOGRAM_MEDIUM_TIMES(name, duration);
RecordSuffixedTimeHistogram(name, StartSituationToSuffix(situation),
duration);
}
void ServiceWorkerMetrics::RecordTimeToEvaluateScript(
base::TimeDelta duration,
StartSituation situation) {
std::string name = "EmbeddedWorkerInstance.Start.TimeToEvaluateScript";
UMA_HISTOGRAM_MEDIUM_TIMES(name, duration);
RecordSuffixedTimeHistogram(name, StartSituationToSuffix(situation),
duration);
}
const char* ServiceWorkerMetrics::LoadSourceToString(LoadSource source) {
switch (source) {
case LoadSource::NETWORK:
return "Network";
case LoadSource::HTTP_CACHE:
return "HTTP cache";
case LoadSource::SERVICE_WORKER_STORAGE:
return "Service worker storage";
}
NOTREACHED() << static_cast<int>(source);
return nullptr;
}
ServiceWorkerMetrics::StartSituation ServiceWorkerMetrics::GetStartSituation(
bool is_browser_startup_complete,
bool is_new_process) {
if (!is_browser_startup_complete)
return StartSituation::DURING_STARTUP;
if (is_new_process)
return StartSituation::NEW_PROCESS;
return StartSituation::EXISTING_PROCESS;
}
void ServiceWorkerMetrics::RecordStartStatusAfterFailure(
int failure_count,
ServiceWorkerStatusCode status) {
DCHECK_GT(failure_count, 0);
if (status == SERVICE_WORKER_OK) {
UMA_HISTOGRAM_COUNTS_1000("ServiceWorker.StartWorker.FailureStreakEnded",
failure_count);
} else if (failure_count < std::numeric_limits<int>::max()) {
UMA_HISTOGRAM_COUNTS_1000("ServiceWorker.StartWorker.FailureStreak",
failure_count + 1);
}
if (failure_count == 1) {
UMA_HISTOGRAM_ENUMERATION("ServiceWorker.StartWorker.AfterFailureStreak_1",
status, SERVICE_WORKER_ERROR_MAX_VALUE);
} else if (failure_count == 2) {
UMA_HISTOGRAM_ENUMERATION("ServiceWorker.StartWorker.AfterFailureStreak_2",
status, SERVICE_WORKER_ERROR_MAX_VALUE);
} else if (failure_count == 3) {
UMA_HISTOGRAM_ENUMERATION("ServiceWorker.StartWorker.AfterFailureStreak_3",
status, SERVICE_WORKER_ERROR_MAX_VALUE);
}
}
} // namespace content