查看服務器cpu 核心數

cpu相關信息所在文件是 /proc/cpuinfo

物理cpu數  

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

cpu 核數

# grep 'cpu cores' /proc/cpuinfo | uniq | awk -F':' '{print $2}'

邏輯cpu數 

# grep 'processor' /proc/cpuinfo | sort | wc -l