1.查看cpu个数

 cat /proc/cpuinfo |grep "physical id" |sort | uniq |wc -l

2

2.查看cpu逻辑个数

cat /proc/cpuinfo |grep "processor"|wc -l 

16

3.查看cpu核数

cat /proc/cpuinfo |grep "cores"|uniq 

4

4.查看CPU的主频 

linux 一些命令