Firefox OS/Performance

Mozilla's program for advancing Firefox OS performance.

Team

Performance Task Force

Mailing Group	https://groups.google.com/a/mozilla.com/forum/#!forum/fxos-performance-taskforce
Dashboard	https://stats.taskcluster.net/grafana/#/dashboard/db/Grafana
Product Management	Ravi Dandu
Coordinator / EPM	Bobby Chien
Testing Framework	Eli Perelman
Platform (Gecko)
Gecko - Multimedia	Steven Lee, John Lin
Gecko - Graphics	Peter Chang, Chiajung Hung
Gecko - RIL	Hsinyi Tsai, Szu-Yu Chen
	Ben Tian, Alphan Chen
	Vicent Chang, Henry Chang
Gecko - Performance	Thinker Lee, Patrick Wang
Application (Gaia)
Gaia - System	Tim Chien, Greg Weng
Quality Assurance	Bhavana Bajaj, Brian Huang, Edward Chen

Dissolved Team Info

As of 2014.08.15 this team has been dissolved. Performance responsibilities are transitioned to other fxOS functional teams. The team members and contact points below no longer handle these responsibilities on a daily basis.

Engineering Manager	Mike Lee
Engineering	Jon Hylands, Hubert Figuière, David Huseby, Mason Chang, Eli Perelman, Wander Costa, Jonathan Bailey (Intern)
Quality Assurance	Geo Mealer
Product Management	Ravi Dandu
Program Management	Mike Lee + Jean Gong
User Experience	Gordon Brander
Contact Info	#fxos-perf on irc.mozilla.org
Wiki	https://wiki.mozilla.org/FirefoxOS/Performance

Meetings

Timezones	Taipei (GMT+08:00)
Calendar (CalDAV)
Stand-ups
Bug Triages

Areas

As of 2014.08.15 this team has been dissolved. Performance responsibilities are transitioned to other fxOS functional teams. The fxOS Performance Areas below are no longer led nor maintained by the listed individuals.

Area	Lead
Automation	Hubert Figuière & Geo Mealer
Graphics	Mason Chang
Memory	Wander Costa
Power	Jon Hylands
Responsiveness	Eli Perelman
Tools	David Huseby

Regression Duty

Current areas of regression duty:

• Watch b2gperf start up times https://datazilla.mozilla.org/b2g
• Watch fxos-pert alerts. Currently, limited in scope to start up time regressions.
• Map of Gecko revisions reported by datazilla to their correct revision https://people.mozilla.org/~asasaki/vcs2vcs/gecko-dev/gecko-mapfile
• Get access to Jenkins. File a bug like bug 1036477

Dashboards

• Datazilla: Instrumented Apps
• Eideticker: Automated Camera Measurement
• Release Blocking Dashboard

Plans

• Etherpads
• Release Criteria
• Roadmap Doc
• Roadmap Wiki (in progress)
• Sprints
• Stand-ups
• Taipei
• Triage
• User Stories

Progress

Bugzilla query error

Array ( [type] => error [message] => http-bad-status [params] => Array ( [0] => 400 [1] => Bad Request ) ) 1

Project Ideas

• Gonk/Gecko
  • Boot Sequence Optimization (taken! jbailey's 2014 summer intern project)
  • IndexDB IO Optimization
• Graphics
  • Graphics Pipeline Instrumentation and Integration into the Cleopatra Profiler
  • Graphics Performance Automation (checkerboarding detection, datazilla integration, micro benchmarks)
• Tools
  • Adding Features to Datazilla
  • Adding Features to Scrumbugs
  • Automating Datazilla Developer Setup
  • Automating Firefox OS Developer Setup
  • Automating Scrumbugz Developer Setup

References

Firefox OS

• Architecture
  • Overview
  • Modules
  • Diagrams
  • Gaia
• Roadmap
• Schedule
  • Tarako
• Docs
  • App Performance Validation
  • A*Team Performance Tools
  • Boot Sequence
  • GPS
  • Marketplace Performance
  • Performance Tips
  • QA Tips & Tricks
  • Upstreaming Kernel Changes to Geeksphone
  • Investigating Automated Alerts
    • Bisecting Regression
  • Using Docker to Ease Debugging Firefox OS
  • Datazilla Web Service Documentation
    • Use /b2g/testdata/raw endpoint to retrieve data, revision == gaia revision. (example)

Mozilla

• Mozilla Commit Access Policy
• Mozilla Commit Process

Articles

• CSS
  • Blend Modes
  • Efficient CSS
• JSON
• Lists
  • Implementing Virtual Lists
  • Virtual List Demo
• Steve Souders' Web Performance