查看CPU数量
[root@controller ~]# cat /proc/cpuinfo | grep "physical id" | sort | uniq | wc -l
2
查看每CPU核心数
[root@controller ~]# cat /proc/cpuinfo | grep "core id" | sort | uniq | wc -l
4
逻辑CPU数目
[root@controller ~]# cat /proc/cpuinfo | grep "processor" | sort | uniq | wc -l
8
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