[linux] cpu 사용량

[root@asdf ~]# top -bn1 | grep "Cpu(s)" | awk '{printf("CPU 사용률 : %.1f%%\n", 100 - $8)}'
CPU 사용률 : 100.0%
[root@asdf ~]# ps -ef | grep asdf
root      574374  571158  0 19:17 ?        00:00:01 node /usr/bin/pm2 start npm --name asdf -- run start