Please disregard the extra issues I listed above - it turns out my nvidia driver had become disabled. Enabling it makes things much better. However, I do still experience the original issue of high CPU usage in system monitor.
-- System monitor causes Xorg to consume 100% CPU https://bugs.launchpad.net/bugs/187383 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs