# 获取服务PID $ pgrep chronyd 667 # -p指定PID $ iotop -p 667 Total DISK READ : 0.00 B/s | Total DISK WRITE : 0.00 B/s Actual DISK READ: 0.00 B/s | Actual DISK WRITE: 0.00 B/s TID PRIO USER DISK READ DISK WRITE SWAPIN IO> COMMAND 667 be/4 chrony 0.00 B/s 0.00 B/s 0.00 % 0.00 % chronyd
$ iotop -p 667 -q Total DISK READ : 0.00 B/s | Total DISK WRITE : 0.00 B/s Actual DISK READ: 0.00 B/s | Actual DISK WRITE: 0.00 B/s TID PRIO USER DISK READ DISK WRITE SWAPIN IO COMMAND 667 be/4 chrony 0.00 B/s 0.00 B/s 0.00 % 0.00 % chronyd ^C $ iotop -p 667 -qq Total DISK READ : 0.00 B/s | Total DISK WRITE : 0.00 B/s Actual DISK READ: 0.00 B/s | Actual DISK WRITE: 0.00 B/s 667 be/4 chrony 0.00 B/s 0.00 B/s 0.00 % 0.00 % chronyd ^C $ iotop -p 667 -qqq 667 be/4 chrony 0.00 B/s 0.00 B/s 0.00 % 0.00 % chronyd
# -d指定时间间隔和-n次数 $ iotop -n 3 -d 2 -p 667 -qqq 667 be/4 chrony 0.00 B/s 0.00 B/s 0.00 % 0.00 % chronyd 667 be/4 chrony 0.00 B/s 0.00 B/s 0.00 % 0.00 % chronyd 667 be/4 chrony 0.00 B/s 0.00 B/s 0.00 % 0.00 % chronyd # -u指定用户 $ iotop -u chrony Total DISK READ : 0.00 B/s | Total DISK WRITE : 0.00 B/s Actual DISK READ: 0.00 B/s | Actual DISK WRITE: 0.00 B/s TID PRIO USER DISK READ DISK WRITE SWAPIN IO> COMMAND 667 be/4 chrony 0.00 B/s 0.00 B/s 0.00 % 0.00 % chronyd