[Bug 1803271] [NEW] [regression] Much higher CPU during some gnome-shell operations

Launchpad Bug Tracker 1803271 at bugs.launchpad.net
Mon Nov 19 10:03:54 UTC 2018


You have been subscribed to a public bug by Daniel van Vugt (vanvugt):

[Impact]

Since fixing bug 1672297 in release 18.04 we experience much higher
(almost double) CPU usage during gnome-shell JavaScript operations, such
as the icon spring animation.

[Test Case]

Use 'top' to measure the CPU usage of the gnome-shell process while
tapping Super+A repeatedly. It should be much lower with the fix than
without.

[Regression Potential]

Low. This particular fix is tiny
(https://gitlab.gnome.org/GNOME/gjs/merge_requests/236) and has been
released and used in a couple of upstream gjs versions already without
issue.

[Other Info]

The fix is already released to 19.04 as part of gjs version 1.54.2-1.

** Affects: gjs (Ubuntu)
     Importance: Medium
         Status: Fix Released


** Tags: bionic cosmic disco performance regression-release
-- 
[regression] Much higher CPU during some gnome-shell operations
https://bugs.launchpad.net/bugs/1803271
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