1939258 - 1.03 - 0.79% installer size / installer size + 2 more (Linux, OSX) regression on Sat December 21 2024

Status: NEW

(Application Services :: Webext Storage, defect)

Description

[Treeherder Bug Filer]

Perfherder has detected a build_metrics performance regression from push 8d3854141ccc463c3a5170669430a1437f962cc0. As author of one of the patches included in that push, we need your help to address this regression.

Regressions:

Ratio	Test	Platform	Options	Absolute values (old vs new)
1%	installer size	linux64-nightlyasrelease	nightly nightly-as-release	71,760,717.50 -> 72,498,732.33
1%	installer size	osx-nightlyasrelease	nightly nightly-as-release	100,089,727.75 -> 101,091,523.75
1%	installer size	osx-shippable	nightly	103,062,597.33 -> 103,970,533.50
1%	installer size	osx-nightlyasrelease	nightly nightly-as-release	100,194,115.25 -> 100,981,680.75

Details of the alert can be found in the alert summary, including links to graphs and comparisons for each of the affected tests. Please follow our guide to handling regression bugs and let us know your plans within 3 business days, or the patch(es) may be backed out in accordance with our regression policy.

You can run all of these tests on try with ./mach try perf --alert 43198

The following documentation link provides more information about this command.

For more information on performance sheriffing please see our FAQ.

If you have any questions, please do not hesitate to reach out to [e-mail].

Comment 1

[Florian Quèze [:florian]]

Here's a binary size profile diff of libxul.so from Linux opt builds of 8d3854141ccc463c3a5170669430a1437f962cc0 and its parent changeset: https://share.firefox.dev/4jBrZD8

Warning: slow to load, and because this is a very experimental profiler feature, some information might be incorrect in some places.