查看物理CPU

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

# 查看每个物理CPU中core的个数(即核数)
cat /proc/cpuinfo| grep "cpu cores"| uniq

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