Linux 命令-CPU

1 查看物理CPU的个数
#cat /proc/cpuinfo |grep "physical id"|sort |uniq|wc –l

2、   查看逻辑CPU的个数
#cat /proc/cpuinfo |grep "processor"|wc –l

3、  查看CPU是几核
#cat /proc/cpuinfo |grep "cores"|uniq

4、  查看CPU的主频
#cat /proc/cpuinfo |grep MHz|uniq