linux查看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