gnome-shell; High CPU Usage [closed]

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I've had this problem as well. My solution was to disable the extention "Background Logo", which draws the fedora logo on top of your background.

My CPU usage is back to 2% right now.

To disable the extention: Install gnome-tweak-tool

sudo yum install gnome-tweak-tool

Start the tweak tool and disable the extention "Background Logo" in the overview "Extentions"

You should re-check it with system freshly booted and no additional programs fired up to make sure Gnome Shell isn't forced to do some heavy redrawing on some windows (e.g. few opened video players). If the situation still persists you should submit a bug report
https://bugzilla.gnome.org/
and/or
https://bugzilla.redhat.com/

Make sure to go through the following article first
https://fedoraproject.org/wiki/Bugsandfeature_requests

I realize that this post is old, but I am having the same problem using Fedora 25 Server. I installed the gnome-tweak-tool, but under Extensions, I have no extension labeled Background Logo. Brand new box, but it is acting like it's 30 years old because CPU usage is at 98%

My laptop (Fedora 23) had a similar problem, but I realised that it only appeared when connected to a secondary screen. The solution was via “Settings” → “Displays” → “Arrange Combined Displays” to readjust the relative positioning of the screen areas.