See this thread for reasoning and acceptance from contributors: https://groups.google.com/d/topic/qubes-devel/G7KzrfU0lWY/discussion "Changing qubes-core-admin license to LGPL v2.1+"
Display cpu and mem similar to qvm-ls but ordered by cpu time. Also a one line summary switch which includes the top n cpu consuming vms and total memory consumption. Intended usage is to e.g. embed in a window manager widget.