Performance Testing Newsletter (Q4 Edition)

[Gregory Mierzwinski]

Welcome to the latest edition of the Performance Testing Newsletter! The PerfTools team empowers engineers with tools to continuously improve the performance of Mozilla products. See below for highlights from the changes made in the last quarter.

Highlights

• [jmarshall] Added performance tests for Service Workers to MozPerftest

• [jjalkanen] Added performance tests for IndexedDB to Browsertime

• [lgreco] Added new pageload performance tests that run with additional Addons installed

• [m_kato] Added Python 3.11 support for Raptor

• [myeongjun] Added tooling for description of categories to Mach Try Perf

• [myeongjun] Mach Try Perf can now run all tests from an alert with --alert <SUMMARY-ID> (docs)

• [kshampur] OSX opt builds now available for Browsertime

• [afinder] Browsertime CI artifacts have a new format, with some expiring much sooner

• [sparky] Mochitest is now supported for performance testing in MozPerftest in CI, and locally

Blog Posts ✍️

• [aionescu] Performance Sheriffing Improvements

• [sparky] New Features in Mach Try Perf

Contributors

• MyeongJun Go [:myeongjun]

If you have any questions, or are looking to add performance testing for your code component, you can find us in #perftest on Element, or #perf-help on Slack.

P.S. If you’re interested in including updates from your teams in a quarterly newsletter like this, and you are not currently covered by another newsletter, please reach out to me (:sparky). I’m interested in making a more general newsletter for these.