Linux查看CPU信息

cat /proc/cpuinfo

cat /proc/cpuinfo |grep "physical id"|sort|uniq|wc -l

cat /proc/cpuinfo|grep "processor"|wc -l

cat /proc/cpuinfo|grep "cores"|uniq

cat /proc/cpuinfo|grep MHz|uniq

uname -a

Linux dev 2.6.32-358.6.2.el6.x86_64 #1 SMP Thu May 16 20:59:36 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

cat /etc/issue

CentOS release 6.5 (Final)

cat /proc/cpuinfo |grep name |cut -f2 -d: |uniq -c

Intel(R) Xeon(R) CPU E5410 @ 2.33GHz
(看到有8个逻辑CPU, 也知道了CPU型号)

cat /proc/cpuinfo | grep flags | grep ' lm ' | wc –l

8
(结果大于0, 说明支持64bit计算. lm指long mode, 支持lm则是64bit)

cat /proc/cpuinfo | grep physical | uniq -c

4 physical id : 0
4 physical id : 1
(说明实际上是两颗4核的CPU)

getconf LONG_BIT

32
(说明当前CPU运行在32bit模式下, 但不代表CPU不支持64bit)