プロセスをウォッチ

$ watch -n10 "ps -eo pid,lstart,args | grep '[p]rocessname'"

=>
Every 10.0s: ps -eo pid,lstart,args | grep '[p]rocessname'

91511 Mon May 21 01:00:00 2018 XXX XXXXXXXXXXXXXXXXXX
 91512 Mon May 21 01:00:00 2018 XXX XXXXXXXXXXXXXXXXXX