安装后用lscpu可以很方便的得到: $ lscpu | grep -E ' Thread| Core| Socket| CPU(' CPU(s): 56 Thread(s) per core: 2 Core(s) per socket: 14 Socket(s): 2 其中socket代表物理cpu个数, Core(s) per socket就是每个cpu多少核,Thread(s) per core就是每个核几个超线程 CPUs = Threads per core X cores per socket X sockets