Hassan,
1. Please try removing/disabling all your gnome-shell extensions and see if
that makes a difference.
2. How does the performance in a Wayland session compare?
** Changed in: gnome-shell (Ubuntu)
Status: New => Incomplete
** Tags added: performance
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https://bugs.launchpad.net/bugs/1753249
Title:
gnome-shell using 200% of CPU usage
Status in gnome-shell package in Ubuntu:
Incomplete
Bug description:
Gnome-shell causes heavy CPU spikes under Xorg
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: gnome-shell 3.26.2-0ubuntu3
ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3
Uname: Linux 4.15.0-10-generic x86_64
NonfreeKernelModules: nvidia_uvm wl nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.8-0ubuntu10
Architecture: amd64
CurrentDesktop: GNOME
Date: Sun Mar 4 14:02:56 2018
DisplayManager: gdm3
InstallationDate: Installed on 2018-01-01 (61 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20171221)
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)
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