Ubuntu 拾忆二，cpu

cpu基本信息查询

1 cpu数量

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

1.1 查看物理cpu的个数

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

1.2 查看逻辑cpu的个数

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

2 每个cpu是几核

more /proc/cpuinfo |grep "physical id"|grep "0"|wc -l

2.1 查看cpu是几核

cat /proc/cpuinfo |grep "cores"|uniq

3 查看cpu的主频

cat /proc/cpuinfo |grep MHz|uniq