I have an old 32-bit pentium 4. It only uses 3% of the CPU on that. Looks like this is definitely fixed in xenial.
** Changed in: gnome-system-monitor (Ubuntu) Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-system-monitor in Ubuntu. https://bugs.launchpad.net/bugs/93847 Title: Excessive CPU usage by Gnome System Monitor To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-system-monitor/+bug/93847/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs