Firefox/Projects/Mobile Startup Shrink: Difference between revisions

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=Meetings=
=Meetings=


The [[Firefox/Projects/Mobile_Startup_Shrink/Meeting_July_21_2011|first meeting]] was held on July 21 2011 at 1PM PDT. There are no more scheduled meetings at the moment. If you would like to help, please ask around in ''#startup''.
=== Next Meeting ===
 
The next meeting is scheduled for Tuesday, August 30th at 9:30AM PDT.
{{conf|95750}}
* IRC: [irc://irc.mozilla.org/startup #startup]
* Vidyo: SFO7B
 
Put your items on the agenda here:
* Etherpad: http://etherpad.mozilla.com:9000/startupshrink
 
=== Previous Meetings ===
* [[Firefox/Projects/Mobile_Startup_Shrink/Meeting_July_21_2011|July 21 2011]]


=Current Work=
=Current Work=
[https://bugzilla.mozilla.org/buglist.cgi?quicksearch=whiteboard%3Amobilestartupshrink&list_id=831563 Startup shrink bugs]
* [https://bugzilla.mozilla.org/buglist.cgi?quicksearch=whiteboard%3Amobilestartupshrink&list_id=831563 Startup shrink bugs]
* IRC: [irc://irc.mozilla.org/startup #startup]


= Resources =
= Resources =
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* [[Firefox/Projects/Startup_Time_Improvements|Startup Performance]]: Somewhat recent startup time tracking project
* [[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 telemetry 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 ==
== Basic startup stats in your console ==

Latest revision as of 18:21, 6 September 2011

For mobile Firefox, a very important user flow is when a user wants to quickly check a webpage from another app (e.g. email, twitter). Since Android very frequently swaps Firefox out when it is hidden, it is imperative that we start quickly. Our single-minded goal is instantaneous startup!

Meetings

Next Meeting

The next meeting is scheduled for Tuesday, August 30th at 9:30AM PDT.

  • Dial-in: Audio-only conference# 95750
    • People with Mozilla phones or softphones please dial x4000 Conf# 95750
    • US/Toll-free: +1 800 707 2533, (pin 4000) Conf# 95750
    • US/California/Mountain View: +1 650 903 0800, x4000 Conf# 95750
    • US/California/San Francisco: +1 415 762 5700, x4000 Conf# 95750
    • US/Oregon/Portland: +1 971 544 8000, x4000 Conf# 95750
    • CA/British Columbia/Vancouver: +1 778 785 1540, x4000 Conf# 95750
    • CA/Ontario/Toronto: +1 416 848 3114, x4000 Conf# 95750
    • UK/London: +44 (0)207 855 3000, x4000 Conf# 95750
    • FR/Paris: +33 1 84 88 37 37, x4000 Conf# 95750
    • Gmail Chat (requires Flash and the Google Talk plugin): paste +1 650 903 0800 into the Gmail Chat box that doesn't look like it accepts phone numbers
    • SkypeOut is free if you use the 800 number
  • IRC: #startup
  • Vidyo: SFO7B

Put your items on the agenda here:

Previous Meetings

Current Work

Resources

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.

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