take a cpu core offline 

[root@vrouter1 ~]# cat /sys/devices/system/cpu/online 
0-33,35,37-63
[root@vrouter1 ~]# cat /sys/devices/system/cpu/offline 
34,36,64-143
[root@vrouter1 ~]# echo 0 > /sys/devices/system/cpu/cpu34/online

 

https://www.cyberciti.biz/faq/debian-rhel-centos-redhat-suse-hotplug-cpu/

posted on 2018-05-21 14:22  toong  阅读(715)  评论(0)  编辑  收藏  举报