Linux系统下CPU资源查询

【1】查看CPU型号：cpu型号是E7-4820

[root@node1 ~]# cat /proc/cpuinfo | grep name | cut -f2 -d: | uniq -c    
32  Intel(R) Xeon(R) CPU E7- 4820  @ 2.00GHz

【2】查看物理cpu个数：物理核心数是2核

[root@node1 ~]# cat /proc/cpuinfo | grep "physical id" | sort | uniq|wc -l
2

【3】查看逻辑cpu的个数：逻辑cpu个数是32个

[root@node1 ~]# cat /proc/cpuinfo | grep "processor" |wc -l
32

【4】查看cpu是几核：cpu是8核

[root@node1 ~]# cat /proc/cpuinfo | grep "cores"|uniqcpu cores       
8