top - display information about processes
$ top [--delay-time secs] [--pids pid-list] [--sort-by field]
-d
, --delay-time
: Delay time interval in seconds-p
, --pids
: A comma-separated list of pids to filter by. This option may be used multiple times.-s
, --sort-by
: Sort by field [pid, tid, pri, user, state, virt, phys, cpu, name]