> Looking at htop I can see gnome-shell takes anywhere between 5% and
50% of CPU, normally between 10% and 20%.
This is a little too vague for us to be able to action right now, but I
can suggest checking a few things that commonly cause high CPU for other
people:
1. Uninstall all non-Ubuntu gnome-shell extensions.
2. Uninstall 'indicator-multiload' if you have it (bug 784055).
3. Try disabling 'Ubuntu AppIndicators' in gnome-shell-extension-prefs.
4. Make sure the clock in your Gnome panel at the top of the screen is
NOT set to show seconds.
If the problem is still not solved then please run these commands:
lspci -k > lspcik.txt
journalctl -b0 > journal.txt
and attach the resulting text files. And if you are willing then please
attach a screenshot of your desktop so we can see if it entails anything
unusual I haven't yet thought of.
** Changed in: gnome-shell (Ubuntu)
Status: New => Incomplete
** Tags added: performance
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https://bugs.launchpad.net/bugs/1880723
Title:
gnome-shell high CPU usage on Ubuntu 20.04
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