ServiceWorker: Add UMA to measure execution times of oninstall/onfetch

content/browser/service_worker/service_worker_dispatcher_host.cc

 // Copyright 2013 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_dispatcher_host.h"
 
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/browser/message_port_message_filter.h"
 #include "content/browser/message_port_service.h"
 #include "content/browser/service_worker/embedded_worker_registry.h"
 #include "content/browser/service_worker/service_worker_context_core.h"
 #include "content/browser/service_worker/service_worker_context_wrapper.h"
 #include "content/browser/service_worker/service_worker_handle.h"
+#include "content/browser/service_worker/service_worker_metrics.h"
 #include "content/browser/service_worker/service_worker_registration.h"
 #include "content/browser/service_worker/service_worker_registration_handle.h"
 #include "content/browser/service_worker/service_worker_utils.h"
 #include "content/common/service_worker/embedded_worker_messages.h"
 #include "content/common/service_worker/service_worker_messages.h"
 #include "ipc/ipc_message_macros.h"
 #include "third_party/WebKit/public/platform/WebServiceWorkerError.h"
 #include "url/gurl.h"
 
 using blink::WebServiceWorkerError;
@@ skipping 218 matching lines @@
   if (!CanRegisterServiceWorker(
       provider_host->document_url(), pattern, script_url)) {
     BadMessageReceived();
     return;
   }
   TRACE_EVENT_ASYNC_BEGIN2("ServiceWorker",
                            "ServiceWorkerDispatcherHost::RegisterServiceWorker",
                            request_id,
                            "Pattern", pattern.spec(),
                            "Script URL", script_url.spec());
+  registration_start_timings_.AddWithID(
+      new base::TimeTicks(base::TimeTicks::Now()), request_id);
+
   GetContext()->RegisterServiceWorker(
       pattern,
       script_url,
       provider_host,
       base::Bind(&ServiceWorkerDispatcherHost::RegistrationComplete,
                  this,
                  thread_id,
                  provider_id,
                  request_id));
 }
@@ skipping 208 matching lines @@
       registration->active_version());
 }
 
 void ServiceWorkerDispatcherHost::RegistrationComplete(
     int thread_id,
     int provider_id,
     int request_id,
     ServiceWorkerStatusCode status,
     int64 registration_id,
     int64 version_id) {
+  scoped_ptr<base::TimeTicks> registration_start_timing(
+    registration_start_timings_.Lookup(request_id));
+  registration_start_timings_.Remove(request_id);
+
   if (!GetContext())
     return;
 
   if (status != SERVICE_WORKER_OK) {
     SendRegistrationError(thread_id, request_id, status);
     return;
   }
 
   ServiceWorkerRegistration* registration =
       GetContext()->GetLiveRegistration(registration_id);
   DCHECK(registration);
 
   ServiceWorkerRegistrationObjectInfo info;
   ServiceWorkerVersionAttributes attrs;
   GetRegistrationObjectInfoAndVersionAttributes(
       provider_id, registration, &info, &attrs);
 
   Send(new ServiceWorkerMsg_ServiceWorkerRegistered(
       thread_id, request_id, info, attrs));
   TRACE_EVENT_ASYNC_END2("ServiceWorker",
                          "ServiceWorkerDispatcherHost::RegisterServiceWorker",
                          request_id,
                          "Registration ID", registration_id,
                          "Version ID", version_id);
+  ServiceWorkerMetrics::MeasureRegistrationTime(
+      base::TimeTicks::Now() - *registration_start_timing);
 }
 
 void ServiceWorkerDispatcherHost::OnWorkerReadyForInspection(
     int embedded_worker_id) {
   TRACE_EVENT0("ServiceWorker",
                "ServiceWorkerDispatcherHost::OnWorkerReadyForInspection");
   if (!GetContext())
     return;
   EmbeddedWorkerRegistry* registry = GetContext()->embedded_worker_registry();
   if (!registry->CanHandle(embedded_worker_id))
@@ skipping 235 matching lines @@
       status, &error_type, &error_message);
   Send(new ServiceWorkerMsg_ServiceWorkerGetRegistrationError(
       thread_id, request_id, error_type, error_message));
 }
 
 ServiceWorkerContextCore* ServiceWorkerDispatcherHost::GetContext() {
   return context_wrapper_->context();
 }
 
 }  // namespace content