** Changed in: gjs (Ubuntu Cosmic)
Status: New => In Progress
** Changed in: gjs (Ubuntu Cosmic)
Importance: Undecided => Medium
** Changed in: gjs (Ubuntu Cosmic)
Assignee: (unassigned) => Daniel van Vugt (vanvugt)
** Changed in: gjs (Ubuntu Bionic)
Status: New => Confirmed
** Changed in: gjs (Ubuntu Bionic)
Status: Confirmed => Triaged
** Changed in: gjs (Ubuntu Bionic)
Importance: Undecided => Medium
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https://bugs.launchpad.net/bugs/1803271
Title:
[regression] Much higher CPU during some gnome-shell operations
Status in gjs package in Ubuntu:
Fix Released
Status in gjs source package in Bionic:
Triaged
Status in gjs source package in Cosmic:
In Progress
Bug description:
[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.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/gjs/+bug/1803271/+subscriptions
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