This is strange. I've been profiling gnome-shell 42 on jammy and gnome-
shell 46 on noble. Neither have the bug, at least not with my lowly
1000Hz mice (which seems to be the same polling rate as the Razer
DeathAdder V2).
The profile in comment #18 is intriguing because it very clearly shows
meta_idle_manager_reset_idle_time is the problem for you. But when I
profile my own systems, that function accounts for under 1% of gnome-
shell's time.
Can you think of anything you have like an extension or application
running that might seek to disable screensavers and prevent screen
blanking? A browser or video player maybe?
** Changed in: gnome-shell (Ubuntu)
Status: Confirmed => Incomplete
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to gnome-shell in Ubuntu.
https://bugs.launchpad.net/bugs/2051383
Title:
gnome-shell high CPU utilization when moving a high frequency mouse
Status in gnome-shell package in Ubuntu:
Incomplete
Bug description:
When I simply move my mouse cursor on an empty desktop, gnome-shell's
CPU usage goes up from 20% (when idle) to 60%, which causes
stuttering.
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: gnome-shell 42.9-0ubuntu2
ProcVersionSignature: Ubuntu 6.5.0-15.15~22.04.1-generic 6.5.3
Uname: Linux 6.5.0-15-generic x86_64
NonfreeKernelModules: zfs
ApportVersion: 2.20.11-0ubuntu82.5
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Fri Jan 26 23:31:26 2024
DisplayManager: gdm3
EcryptfsInUse: Yes
InstallationDate: Installed on 2018-03-17 (2140 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180316)
RebootRequiredPkgs: Error: path contained symlinks.
RelatedPackageVersions: mutter-common 42.9-0ubuntu5
SourcePackage: gnome-shell
UpgradeStatus: Upgraded to jammy on 2022-06-02 (603 days ago)
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