1.逻辑CPU个数:
# cat /proc/cpuinfo | grep “processor” | wc -l
2.物理CPU个数:
# cat /proc/cpuinfo | grep “physical id” | sort | uniq | wc -l
3.每个物理CPU中Core的个数:
# cat /proc/cpuinfo | grep “cpu cores” | wc -l
是否为超线程?
如果有两个逻辑CPU具有相同的”core id”,那么超线程是打开的。
4.每个物理CPU中逻辑CPU(可能是core, threads或both)的个数:
# cat /proc/cpuinfo | grep “siblings”
逻辑CPU个数:cat /proc/cpuinfo | grep "processor" | wc -l
物理CPU个数:cat /proc/cpuinfo | grep "physical id" | sort | uniq | wc -l