kdevtmpfsi have daemons, alone kill off kdevtmpfsi recovery process will continue to occupy. Daemon name kinsing, in order to resolve the problem needs to kill.
#查询关联的守护进程
[root@iZwz97v9b9ili0mz7rl188Z overlay2]# systemctl status 2854
● session-5649.scope - Session 5649 of user root
Loaded: loaded (/run/systemd/system/session-5649.scope; static; vendor preset: disabled)
Drop-In: /run/systemd/system/session-5649.scope.d
└─50-After-systemd-logind\x2eservice.conf, 50-After-systemd-user-sessions\x2eservice.conf, 50-Description.conf, 50-SendSIGHUP.conf, 50-Slice.conf, 50-TasksMax.conf
Active: active (abandoned) since 一 2019-12-23 10:41:33 CST; 2 days ago
CGroup: /user.slice/user-0.slice/session-5649.scope
├─ 2854 /tmp/kdevtmpfsi
└─18534 ./kinsing1oZIY4Aid7
./kinsing this process should first be associated to kill will not be repeated starting the CPU is occupied by 99 other programs can not run properly.