Firefox/Projects/Mobile Startup Shrink: Difference between revisions

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Dietrich

Confirmed users, Bureaucrats and Sysops emeriti

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 =Meetings=
-A meeting is scheduled for July 21 2011 at 1PM PDT.
+=== Next Meeting ===
-The agenda:
+The next meeting is scheduled for Tuesday, August 30th at 9:30AM PDT.
-* Decide on a way to track progress on Bugzilla.
+{{conf|95750}}
-* What are our best profiling tools on Android?
+* IRC: [irc://irc.mozilla.org/startup #startup]
-** Telemetry (even using it locally) can be useful to measure progress
+* Vidyo: SFO7B
-** There is a way to dump important startup points to the console
-** oprofile?
+Put your items on the agenda here:
-* What are the high priority bugs we need to fix?
+* Etherpad: http://etherpad.mozilla.com:9000/startupshrink
-* Assign bugs and get things done!
+=== Previous Meetings ===
+* [[Firefox/Projects/Mobile_Startup_Shrink/Meeting_July_21_2011|July 21 2011]]
+=Current Work=
+* [https://bugzilla.mozilla.org/buglist.cgi?quicksearch=whiteboard%3Amobilestartupshrink&list_id=831563 Startup shrink bugs]
+* IRC: [irc://irc.mozilla.org/startup #startup]
 = Resources =
 * [[Firefox/Projects/Startup_Time_Improvements|Startup Performance]]: Somewhat recent startup time tracking project
-* [http://blog.mozilla.com/tglek/2011/05/13/firefox-telemetry/ Taras's telemtry blog post]
+* [http://blog.mozilla.com/tglek/2011/05/13/firefox-telemetry/ Taras's telemetry blog post]
+* [https://github.com/stechz/Mobile-Firefox-Startup-Profiler Stechz's mobile startup timeline]
+== Basic startup stats in your console ==
+Enable the preference:
+ devtools.errorconsole.enabled
+You will see something like
+ [timing] main: 488ms               # When XRE_Main is called. Everything before this is
+                                    # loading libxul, static initializers, etc.
+ [timing] firstPaint: 1447ms        # The first paint to the screen (most important one!)
+ [timing] sessionRestored: 1178ms
+These numbers are all measured from startup. In this example, the first paint is 1447 ms from startup, not from main.