Firefox OS/Tarako

The Project

• The tarako project is to bring up a new platform
• The major work will be on the optimization of Firefox OS running on a 128MB platform

Key stakeholders

• TAM: Steven Yang
• EPM: Joe Cheng
• PM: Marvin Khoo
• QA: Brian Huang
• Gaia: Tim Chien
• 128MB RAM optimization: Thinker Lee, Fabrice Desré
• Task force for partner facing issues: Thomas Tsai, Shawn Ku, Viral Wang, Evelyn Hung

Tarako landing

• Branch (1.3T):
  • Gecko: http://hg.mozilla.org/releases/mozilla-b2g28_v1_3t/
  • Gaia: https://github.com/mozilla-b2g/gaia/tree/v1.3t
• Blocking-flag:
  • 1.3T?/1.3T+
    • To nominate a bug for Tarako, please use 1.3T?
• Builds/Tests:
  • to be set up
• Landing (Flags and Whiteboard):
  • 1.3T+, land on
    • M-C/Master
    • 1.3T branch (by partner)
  • 1.3+, land on
    • M-C/Master
    • 1.3 branch
    • 1.3T branch (by partner)
  • 1.3T+ with [tarako_only] on whiteboard - limit to pref-able features
    • 1.3T branch (by partner)
  • no blocking flag and [Tarako] in whiteboard (only needed in master but we want to track it so all future 128MB devices can work)
    • M-C/Master
  • Tracking flag: "status-b2g-v1.3T" is used to confirm the status of landing on Tarako branch

Bug queries

• Unresolved 1.3T+ with [priority] in whiteboard: http://goo.gl/DH6BK7
• Unresolved 1.3T+ last commented since 3 days: http://goo.gl/bCose2
• Unresolved 1.3T+: http://goo.gl/XpYgfA
• Unresolved 1.3T+ bugs without [POVB]: http://mzl.la/1iIiONX
• Unresolved 1.3T+ bugs without [POVB] (with status-b2g-v1.3T not fixed): http://goo.gl/8mDbfh
• Unresolved 1.3T+ bugs with [POVB]: http://goo.gl/mGNkM9
• 1.3T?: http://goo.gl/axBcEC

• 1.3T+: http://goo.gl/XY5wSt
• 1.3T+ with [demo] whiteboard: http://goo.gl/oDgz3Y
• 1.3T+ bugs with [tarako_only] whiteboard: http://goo.gl/1G3GsX
• Bugs uplifted to Tarako branch (status-b2g-v1.3T: fixed): http://goo.gl/F6kXAg
• Bugs pending uplifts to Tarako branch (status-b2g-v1.3T: not fixed/verified/wontfix): http://goo.gl/0fac0e
• Resolved 1.3T+: http://goo.gl/Fx599A

Triage times

• Everyday 4pm Asia / 9am CET

Flashing Builds

• https://intranet.mozilla.org/B2G_Team/Tarako#Instructions

Tarako meetup

• https://wiki.mozilla.org/FirefoxOS/Tarako/Meetup
• https://etherpad.mozilla.org/TarakoMeetUp

Status from teams

• Etherpad notes: https://etherpad.mozilla.org/TarakoGoal
• WIP patches: http://goo.gl/Yff4cu

Product

• Browser - no need to limit the tabs
• Usage app - make it system app
• Task Manager - Card view, show App icon, screen shot is not required.
• Minimum acceptable user scenario
  • 1. Play music in background + launching apps
  • 2. Play music in background + browsing (tw.yahoo.com)
  • 3. play music in background + browsing + answering a call (Goal)
  • 4. play music in background + browsing + answering a call + homescreen is not killed (nice to have)
  • https://docs.google.com/a/mozilla.com/spreadsheet/ccc?key=0Ai2sNBDNKma0dFpndWMwUURzVml4RGVqb052OGpqNVE#gid=9

Gaia

• 1/28
  • bug 962444 -- Need to evaluate and assign work to put Usage warning code to System app -- Tzu-lin (pending)
    • Joe to work with TEF to see if they could v1.3t+ bug 858017, as the proper fix.
  • No bug (related to bug 961348) -- Investigate screenshot timing for cards view, and allow fallback to icon splash if needed -- Alive, Tim, Thinker
    • bug 962987 - [tarako] Move screenshoting to before closing animation and use cache in cardview if there is (Thinker to feedback)
  • bug 963447 -- understanding APN xml file loading timing and save some memory
    • Tzu-Lin have verified JSON is loaded in both System and Settings. Pending.
  • bug 958440 -- Convert locales-obj to typed array -- had addressed reviewer's comments, and trying to fix travis errors. Will submit my second patch and memory/launch-time report today.
  • bug 959667 -- Remove original JavaScript and locales files when those has been aggregated into a big file by the build system -- Patch available from Yuren for v1.4. Thomas Tsai to evaluate if we need this for v1.3
  • No bug -- evaluate memory impact of re-enable word suggestions on Taraku after mmap file ready -- WHO?
  • bug 957497 -- Allow include of uncompressed data files in the package apps -- WIP Yuren (with Shain-yow) -- Gaia patch to land on master.

QA

• Smoke test result : https://moztrap.mozilla.org/results/runs/?filter-status=active&filter-suite=542&filter-productversion=132
• Daily memory usage report : http://goo.gl/JuDCCL
• Peak memory usage report: http://goo.gl/3354Vm
• Cold app launch: https://docs.google.com/a/mozilla.com/spreadsheet/pub?key=0AsiJiMtqUSFRdFVZak02a0NURzFlZVZVTkNfU2xoZkE&gid=2
• User stories report: https://docs.google.com/spreadsheet/ccc?key=0Ai2sNBDNKma0dFpndWMwUURzVml4RGVqb052OGpqNVE#gid=9
• FPS: https://docs.google.com/a/mozilla.com/spreadsheet/ccc?key=0Ai2sNBDNKma0dFpndWMwUURzVml4RGVqb052OGpqNVE#gid=10
• Tarako App Launch Time: http://goo.gl/svfM10
• Datazilla: http://goo.gl/7nNTPV

Marketplace

• Performance optimization

Bugs dashboard

• Partner test blockers, whiteboard [SI-testing-blocker]: http://goo.gl/Xt1Z6B

Bugzilla query error

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• Unresolved 1.3T+: http://goo.gl/XpYgfA

Bugzilla query error

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• 1.3T?: http://goo.gl/axBcEC

Bugzilla query error

Array ( [type] => error [message] => http-bad-status [params] => Array ( [0] => 406 [1] => Not Acceptable ) ) 1

• Bugs are moving away from having [tarako] in whiteboard, moving towards using 1.3T?/1.3T+ blocking flag
• meta Bug 947795 - (meta) Tarako master meta bug
• meta bug 929945 - (128RAM) (Tarako) Enable 128RAM config

Bugzilla query error

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