As expected, it's gnome-control-center that is eating up the CPU. Note that 25% equals precisely 100% of one core on my four core processor.
** Attachment added: "gnome-control-center in monitor" https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1767536/+attachment/5131647/+files/Screenshot%20from%202018-05-01%2012-54-23.png -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-control-center in Ubuntu. https://bugs.launchpad.net/bugs/1767536 Title: Accessing the WIFI section of the "Settings" window causes massive freezes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1767536/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
