Add DBusStatistics and DBusLogSource to log and show dbus stats

chromeos/dbus/dbus_thread_manager.cc

 // Copyright (c) 2012 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 "chromeos/dbus/dbus_thread_manager.h"
 
 #include <map>
 
 #include "base/chromeos/chromeos_version.h"
 #include "base/command_line.h"
@@ skipping 27 matching lines @@
 #include "chromeos/dbus/image_burner_client.h"
 #include "chromeos/dbus/introspectable_client.h"
 #include "chromeos/dbus/modem_messaging_client.h"
 #include "chromeos/dbus/permission_broker_client.h"
 #include "chromeos/dbus/power_manager_client.h"
 #include "chromeos/dbus/session_manager_client.h"
 #include "chromeos/dbus/sms_client.h"
 #include "chromeos/dbus/speech_synthesizer_client.h"
 #include "chromeos/dbus/update_engine_client.h"
 #include "dbus/bus.h"
+#include "dbus/dbus_statistics.h"
 
 namespace chromeos {
 
 static DBusThreadManager* g_dbus_thread_manager = NULL;
 static bool g_dbus_thread_manager_set_for_testing = false;
 
 // The DBusThreadManager implementation used in production.
 class DBusThreadManagerImpl : public DBusThreadManager {
  public:
   explicit DBusThreadManagerImpl(DBusClientImplementationType client_type) {
@@ skipping 439 matching lines @@
 void DBusThreadManager::Shutdown() {
   // If we called InitializeForTesting, this may get called more than once.
   // Ensure that we only shutdown DBusThreadManager once.
   CHECK(g_dbus_thread_manager || g_dbus_thread_manager_set_for_testing);
   delete g_dbus_thread_manager;
   g_dbus_thread_manager = NULL;
   VLOG(1) << "DBusThreadManager Shutdown completed";
 }
 
 DBusThreadManager::DBusThreadManager() {
+  dbus::statistics::Initialize();
 }
 
 DBusThreadManager::~DBusThreadManager() {
+  dbus::statistics::Shutdown();
 }
 
 // static
 DBusThreadManager* DBusThreadManager::Get() {
   CHECK(g_dbus_thread_manager)
       << "DBusThreadManager::Get() called before Initialize()";
   return g_dbus_thread_manager;
 }
 
 }  // namespace chromeos