LCOV - code coverage report
Current view: directory - objdir/dist/include/mozilla - StartupTimeline.h (source / functions) Found Hit Coverage
Test: app.info Lines: 13 7 53.8 %
Date: 2012-06-02 Functions: 5 3 60.0 %

       1                 : /* ***** BEGIN LICENSE BLOCK *****
       2                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       3                 :  *
       4                 :  * The contents of this file are subject to the Mozilla Public License Version
       5                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       6                 :  * the License. You may obtain a copy of the License at
       7                 :  * http://www.mozilla.org/MPL/
       8                 :  *
       9                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      10                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      11                 :  * for the specific language governing rights and limitations under the
      12                 :  * License.
      13                 :  *
      14                 :  * The Original Code is mozilla.org
      15                 :  *
      16                 :  * The Initial Developer of the Original Code is
      17                 :  * Mozilla Foundation
      18                 :  * Portions created by the Initial Developer are Copyright (C) 2011
      19                 :  * the Initial Developer. All Rights Reserved.
      20                 :  *
      21                 :  * Contributor(s):
      22                 :  *   Mike Hommey <mh@glandium.org>
      23                 :  *
      24                 :  * Alternatively, the contents of this file may be used under the terms of
      25                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      26                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      28                 :  * of those above. If you wish to allow use of your version of this file only
      29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      30                 :  * use your version of this file under the terms of the MPL, indicate your
      31                 :  * decision by deleting the provisions above and replace them with the notice
      32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      33                 :  * the provisions above, a recipient may use your version of this file under
      34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      35                 :  *
      36                 :  * ***** END LICENSE BLOCK ***** */
      37                 : 
      38                 : #ifdef mozilla_StartupTimeline_Event
      39                 : mozilla_StartupTimeline_Event(PROCESS_CREATION, "process")
      40                 : mozilla_StartupTimeline_Event(MAIN, "main")
      41                 : // Record the beginning and end of startup crash detection to compare with crash stats to know whether
      42                 : // detection should be improved to start or end sooner.
      43                 : mozilla_StartupTimeline_Event(STARTUP_CRASH_DETECTION_BEGIN, "startupCrashDetectionBegin")
      44                 : mozilla_StartupTimeline_Event(STARTUP_CRASH_DETECTION_END, "startupCrashDetectionEnd")
      45                 : mozilla_StartupTimeline_Event(FIRST_PAINT, "firstPaint")
      46                 : mozilla_StartupTimeline_Event(SESSION_RESTORED, "sessionRestored")
      47                 : mozilla_StartupTimeline_Event(CREATE_TOP_LEVEL_WINDOW, "createTopLevelWindow")
      48                 : mozilla_StartupTimeline_Event(LINKER_INITIALIZED, "linkerInitialized")
      49                 : mozilla_StartupTimeline_Event(LIBRARIES_LOADED, "librariesLoaded")
      50                 : mozilla_StartupTimeline_Event(FIRST_LOAD_URI, "firstLoadURI")
      51                 : #else
      52                 : 
      53                 : #ifndef mozilla_StartupTimeline
      54                 : #define mozilla_StartupTimeline
      55                 : 
      56                 : #include "prtime.h"
      57                 : #include "nscore.h"
      58                 : 
      59                 : #ifdef MOZ_LINKER
      60                 : extern "C" {
      61                 : /* This symbol is resolved by the custom linker. The function it resolves
      62                 :  * to dumps some statistics about the linker at the key events recorded
      63                 :  * by the startup timeline. */
      64                 : extern void __moz_linker_stats(const char *str)
      65                 : NS_VISIBILITY_DEFAULT __attribute__((weak));
      66                 : } /* extern "C" */
      67                 : #else
      68                 : 
      69                 : #endif
      70                 : 
      71                 : namespace mozilla {
      72                 : 
      73                 : class StartupTimeline {
      74                 : public:
      75                 :   enum Event {
      76                 :     #define mozilla_StartupTimeline_Event(ev, z) ev,
      77                 :     #include "StartupTimeline.h"
      78                 :     #undef mozilla_StartupTimeline_Event
      79                 :     MAX_EVENT_ID
      80                 :   };
      81                 : 
      82             224 :   static PRTime Get(Event ev) {
      83             224 :     return sStartupTimeline[ev];
      84                 :   }
      85                 : 
      86              15 :   static const char *Describe(Event ev) {
      87              15 :     return sStartupTimelineDesc[ev];
      88                 :   }
      89                 : 
      90              89 :   static void Record(Event ev, PRTime when = PR_Now()) {
      91              89 :     sStartupTimeline[ev] = when;
      92                 : #ifdef MOZ_LINKER
      93                 :     if (__moz_linker_stats)
      94                 :       __moz_linker_stats(Describe(ev));
      95                 : #endif
      96              89 :   }
      97                 : 
      98               0 :   static void RecordOnce(Event ev) {
      99               0 :     if (!HasRecord(ev))
     100               0 :       Record(ev);
     101               0 :   }
     102                 : 
     103               0 :   static bool HasRecord(Event ev) {
     104               0 :     return sStartupTimeline[ev];
     105                 :   }
     106                 : 
     107                 : private:
     108                 :   static NS_EXTERNAL_VIS_(PRTime) sStartupTimeline[MAX_EVENT_ID];
     109                 :   static NS_EXTERNAL_VIS_(const char *) sStartupTimelineDesc[MAX_EVENT_ID];
     110                 : };
     111                 : 
     112                 : }
     113                 : 
     114                 : #endif /* mozilla_StartupTimeline */
     115                 : 
     116                 : #endif /* mozilla_StartupTimeline_Event */

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