Firefox/Projects/Startup Time Improvements/StartupPatchUsage: Difference between revisions

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* Download 2 patches from {{bug|480735}}
* Download 2 patches from {{bug|480735}}
** THESE MAY CHANGE, you may want to check the attachments on the bug before using the following patches, and the eventual goal after review is having these patches checked into the trunk source.
** THESE MAY CHANGE, you may want to check the attachments on the bug before using the following patches, and the eventual goal after review is having these patches checked into trunk.
*** C++ Function Timer [https://bugzilla.mozilla.org/attachment.cgi?id=389576]
*** C++ Function Timer [https://bugzilla.mozilla.org/attachment.cgi?id=389576]
*** Instrumentation Patch [https://bugzilla.mozilla.org/attachment.cgi?id=389062]
*** Instrumentation Patch [https://bugzilla.mozilla.org/attachment.cgi?id=389062]
*** I have marked the instrumentation patch as "latest", the latest C++ patch is in review by vlad for brenden and bsmedberg.
* Before building you should update your mozconfig with the following option:
* Before building you should update your mozconfig with the following option:
** ac_add_options --enable-functiontimer
** ac_add_options --enable-functiontimer
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** export NSPR_LOG_FILE=/path/to/startup_log
** export NSPR_LOG_FILE=/path/to/startup_log
* Start Firefox
* Start Firefox
* The logfile in /path/to/startup_log should have a bunch of timing information in it.
* The logfile in /path/to/startup_log should have a bunch of timing information in it that looks like:
 
<pre>
-1241130624[b5d18060]: > XRE_main
-1241130624[b5d18060]: -  115 ms (  115 ms total) - XRE_main [ScopedXPCOMStartup]
-1241130624[b5d18060]: > NS_CreateServicesFromCategory: xpcom-startup (xpcom-startup)
-1241130624[b5d18060]: <    0 ms (    0 ms total) - NS_CreateServicesFromCategory: xpcom-startup (xpcom-startup)
-1241130624[b5d18060]: -    4 ms (  119 ms total) - XRE_main [ScopedXPCOMStartup: Initialize]
-1241130624[b5d18060]: -    0 ms (  119 ms total) - XRE_main [ScopedXPCOMStartup: DoAutoreg]
-1241130624[b5d18060]: > NS_CreateServicesFromCategory: prefservice:after-app-defaults (prefservice:after-app-defaults)
-1241130624[b5d18060]: <    0 ms (    0 ms total) - NS_CreateServicesFromCategory: prefservice:after-app-defaults (prefservice:after-app-defaults)
-1241130624[b5d18060]: -    1 ms (  121 ms total) - XRE_main [Pref Service]
-1241130624[b5d18060]: > Init
-1241130624[b5d18060]: -    0 ms (    0 ms total) - Init [Created thread]
-1241130624[b5d18060]: -    0 ms (    0 ms total) - Init [UpdatePrefs]
-1241130624[b5d18060]: <    0 ms (    0 ms total) - Init
-1241130624[b5d18060]: -    0 ms (  121 ms total) - XRE_main [Socket Transport Service]
-1241130624[b5d18060]: -    0 ms (  121 ms total) - XRE_main [DNS Service]
-1241130624[b5d18060]: > Init
-1241130624[b5d18060]: -    0 ms (    0 ms total) - Init [got SocketTransportService]
-1241130624[b5d18060]: -    0 ms (    0 ms total) - Init [got DNS Service]
-1241130624[b5d18060]: -    0 ms (    0 ms total) - Init [got Error Service]
-1241130624[b5d18060]: -    0 ms (    0 ms total) - Init [Registered observers]
-1241130624[b5d18060]: -    2 ms (    3 ms total) - Init [Set up network link service]
-1241130624[b5d18060]: <    0 ms (    3 ms total) - Init
-1241130624[b5d18060]: -    3 ms (  124 ms total) - XRE_main [IO Service]
 
</pre>
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