LCOV - app.info - objdir/dist/include/mozilla/StartupTimeline.h

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: | 2012-07-07 | 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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