This week Fresnel 0.5.0 was released and deployed to Jenkins.
Highlighted changes:
- Add support for Mann–Whitney U test. [1] –
https://phabricator.wikimedia.org/T223977,
https://en.wikipedia.org/wiki/Mann-Whitney_U_test
- Switch regression detection from diffStdev to diffMannWhitney (for
Paint Timing metrics).
- Update Chromium from 73.0 to 77.0.
- Enable Gzip for static files in web server behind Fresnel and Quibble.
–
https://gerrit.wikimedia.org/r/539427
I've written a visual guide for how to open Fresnel's performance report in
your Chrome DevTools locally:
👉
https://wikitech.wikimedia.org/wiki/Performance/Fresnel#DevTools
-- Timo Tijhof
Change log and tracking task for Fresnel 0.5.0:
https://github.com/wikimedia/fresnel/blob/0.5.0/CHANGELOG.md
https://phabricator.wikimedia.org/T235195
---------- Forwarded message ---------
From: Timo Tijhof <krinklemail(a)gmail.com>
Subject: Fresnel for MediaWiki (performance testing)
Date: Thu, Mar 7, 2019 at 1:10 AM
You may have noticed something called "mediawiki-fresnel" leaving messages
on Gerrit patches for MediaWiki in the past few days, and wondering what
it's all about. Allow me to introduce Fresnel!
Fresnel is an automation tool for measuring and comparing client-side
performance from web pages. Fresnel was developed over the past two
quarters and is now ready for action. [1] [2] [3]
To learn more about how to use it, what it offers, and how it works, check
out:
https://wikitech.wikimedia.org/wiki/Performance/Fresnel
Some feature highlights:
- ⏱ *Metrics* from Navigation Timing, Paint Timing, and Resource Timing
APIs.
- 📊 DevTools *Timeline* from CI recording can be viewed locally in
Chrome.
- 🖼 Recordings take a *screenshot* available in build artefacts.
- 🔥 Scenarios perform a *warmup* and multiple runs for more stable
metrics.
--
Timo Tijhof
[1] Launch task:
https://phabricator.wikimedia.org/T133646
[2] Phabricator project:
https://phabricator.wikimedia.org/tag/fresnel/
[3] Task list:
https://phabricator.wikimedia.org/maniphest/query/9w6EAEPPLQ72/#R