Thanks, that confirms gnome-shell's CPU usage is due to Chrome
redrawing. Moving the cursor is a different bug
(https://gitlab.gnome.org/GNOME/mutter/issues/283) so be careful to not
confuse the two.
A third and unrelated issue is that your monitor is only running at 40Hz
even though it supports 60Hz:
1366x768 60.22 + 40.03*
If that's an attempt at reducing CPU then it will certainly help, but it
will cause visible flickering and judder which you may find annoying.
You can change the display frequency in Settings.
** Changed in: gnome-shell (Ubuntu)
Status: Incomplete => Triaged
** Changed in: gnome-shell (Ubuntu)
Importance: Undecided => Medium
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https://bugs.launchpad.net/bugs/1808002
Title:
Gnome shell is consuming high cpu usage when running Chrome
Status in gnome-shell package in Ubuntu:
Triaged
Bug description:
Today, I have installed the ubuntu 18.10 and now gnome-shell and
chrome consuming high cpu usage (min 50%). I dont have any extensions
enabled in chrome (Version 71.0) and opened only 5 tabs. No other
applications are running in the system.
ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: gnome-shell 3.30.1-2ubuntu1
ProcVersionSignature: Ubuntu 4.18.0-10.11-generic 4.18.12
Uname: Linux 4.18.0-10-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.10-0ubuntu13.1
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Tue Dec 11 22:55:00 2018
DisplayManager: gdm3
GsettingsChanges:
b'org.gnome.shell' b'favorite-apps' redacted by apport
b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'"
InstallationDate: Installed on 2018-12-11 (0 days ago)
InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64
(20181017.3)
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)
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