如何查看服务器上有多少个CPU

查看有多少个CPU：

#psrinfo -v

结果显示如下：

Status of processor 0 as of: 07/28/05 11:24:23
  Processor has been on-line since 05/27/05 17:43:26.
  The sparcv9 processor operates at 900 MHz,
        and has a sparcv9 floating point processor.
Status of processor 1 as of: 07/28/05 11:24:23
  Processor has been on-line since 05/27/05 17:43:26.
  The sparcv9 processor operates at 900 MHz,
        and has a sparcv9 floating point processor.
Status of processor 2 as of: 07/28/05 11:24:23
  Processor has been on-line since 05/27/05 17:43:26.
  The sparcv9 processor operates at 900 MHz,
        and has a sparcv9 floating point processor.
Status of processor 3 as of: 07/28/05 11:24:23
  Processor has been on-line since 05/27/05 17:43:12.
  The sparcv9 processor operates at 900 MHz,
        and has a sparcv9 floating point processor.

表明是有四颗CPU跑在该服务器上

查看CPU的利用率：

#top

or

#mpstat

均可

原文转自：http://www.ltesting.net