python2-psutil is a module providing an interface for retrieving
information on all running processes and system utilization (CPU,
memory, disks, network, users) in a portable way by using Python,
implementing many functionalities offered by command line tools such
as: ps, top, df, kill, free, lsof, netstat, ifconfig, nice, ionice,
iostat, iotop, uptime, pidof, tty, who, taskset, and pmap.

Optional dependencies: mock and ipaddress