TPEPerformance/Meetings/2017-03-06

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Project Status

Quantum Flow

Web Painting - Improve DisplayList Memory Locality

Milestones

• [IN PROGRESS] Make sure consensus and tech design with Quantum Render team before 2/22
  • Performance testing for a BuildDisplayList patch.
  • Next idea to prototype: precise DisplayList invalidation

Remove Sync IPC Everywhere

Milestones

• [IN PROGRESS] Refactor found/profiled sync IPC to old async IPC bug 1331674
• [DONE] Block/Disallow new sync IPC been added bug 1336919
• [IN PROGRESS] Easy use async IPC (build async infrastructure, refactor as new interface) bug 1313200
• Enforce all sync IPC to use new async IPC

Quantum Telemetry

Milestones

• [IN PROGRESS] Implement telemetry probe to measure event to display latency bug 1313465
  • Split original probe to three stage probes
  • How feasible to create a single probe out of current probes?
• Define more telemetry probe

TaskTracer integration to Gecko Profiler

Milestones

• [IN PROGRESS] Default compiled into nightly binary
  • Verify runtime overhead with talos test
• Dump gecko profiler and tasktrace data from runtime memory to gecko profiler file
• [DONE] Add-on supports to support task tracker

Uptime

Crash Client (Breakpad) Improvement

Milestones

• [IN PROGRESS] Heap memory in minidumps bug 1286802
  • Rewriting patches for new breakpad client fork
• [IN PROGRESS] Include thread names in minidumps bug 1024669
  • Need to ping reviewer againe
• Include thread names in minidumps web interface
• Include JS Stacks in minidumps bug 1295918
• Include JS Stacks in web interface

Windows Dynamic Analysis Improvement

Milestones

• [DONE] Make ASan build for Windows
• [IN PROGRESS] Enable Treeherder Tier 3, and fix crash bugs (ETA: Begin of March)
  • Disabled LSan for tests in hope that it could fix test timeouts, but it didn't.
  • Fixed some try failures.
  • ASan an S does not work together. Need to pick a good clang version.
• Enable Treeherder Tier 2, and fix crash bugs
• Enable Treeherder Tier 1, and fix crash bugs (Exit on green light)
• Handover to sheriff and release engineering

Previous Week

kanru

• bug 1194751 ASSIGNED:: PScreenManager should not use sync messages
  • bug 1194751 request review

thinker

• bug 1331342 NEW:: ProcessDisplayItems() spends too much time on ComputeOpaqueRect()
  • bug 1331342 is checkinng-in

cervantes

• bug 1342774 RESOLVED::FIXED Deadlock caused by TaskTracer
  • Reviewed bug 1342774
• bug 1320134 NEW:: Crash in xul.dll@0x4d768 | xul.dll@0x4d739 | xul.dll@0x4d739 | xul.dll@0x4d739 | xul.dll@0x4d739 | xul.dll@0x4d739 | xul.dll@0x4d739 | xul.dll@0x4d739 | xul.dll@0x4d739 | xul.dll@0x4d739 | xul.dll@0x4d739 | xul.dll@0x4d739 | xul.dll@0x4d739 | xul.dll@0...
  • bug 1320134 - bustage on try because dll interception aborts on encountering unknown opcode. Debugging the failure.
  • Fixing the shutdown crash for bug 1320134
• bug 1286802 NEW:: Add some heap areas to the minidump
  • Working on bug 1286802

ting

• Triaged 0226 nightly/aurora crashes
• bug 1328070 ASSIGNED:: [e10s] Zooming with Ctrl+Mouse wheel scroll doesn't work if I drag tab in another window
  • bug 1328070 responded with the fields that :enn asked for checking
• bug 1343815 RESOLVED::WONTFIX Slave loan request for a t-w1064-ix
  • Filed bug 1343815 for debugging the timed out issue on test machine
• bug 1333003 ASSIGNED:: Add a test platform for win64 ASan
  • bug 1333003 can't reproduce the timedout locally :(

This Week Priorities

thinker

• Fix Tasktracer mutex warnings
• Test display items patch - aiming for review this week
• Antialias bug 1343057

wcpan

• Discuss with smaug about the telemetry patch
• Discuss with kip about probes for VR case

kanru

• Land PScreeManager patch
• Pick other sync IPC bugs to fix
• Working on hiring

cervantes

• Rework heap-mini-dump patches
• AllocTls patch

ting

• Try to fix debug timeout issue
• Try to upgrade tooltool clang version

Incoming

• kanru to Philadelphia, PA, 2017-03-20 -- 2017-03-24
• kanru to Toronto, ON, 2017-03-25 -- 2017-04-14
• thinker, wcpan to Toronto, 2017-03-27 -- 2017-03-31