Hmm, gnome-shell is mostly single threaded so it shouldn't be able to use "all cores". It should saturate only one core at most.
Please provide a screenshot of 'top' running in a Terminal window, showing that gnome-shell (or anything) is using the CPU.
Hmm, gnome-shell is mostly single threaded so it shouldn't be able to use "all cores". It should saturate only one core at most.
Please provide a screenshot of 'top' running in a Terminal window, showing that gnome-shell (or anything) is using the CPU.