如何在Linux系统中,查看某个进程中线程占用cpu或内存等信息
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1、查看物理CPU的个数
[root@MysqlCluster01 ~]# cat /proc/cpuinfo |grep "physical id"|sort |uniq|wc -l
1
2、查看逻辑CPU的个数
[root@MysqlCluster01 ~]# cat /proc/cpuinfo |grep "processor"|wc -l
4
3、查看CPU是几核(即,核心数)
[root@MysqlCluster01 ~]# cat /proc/cpuinfo |grep "cores"|uniq
cpu cores : 4
4、查看CPU的主频
[root@MysqlCluster01 ~]# cat /proc/cpuinfo |grep MHz|uniq
cpu MHz : 2499.982
5、当前操作系统内核信息
[root@MysqlCluster01 ~]# uname -a
Linux MysqlCluster01 2.6.32-431.20.3.el6.x86_64 #1 SMP Thu Jun 19 21:14:45 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
6、当前操作系统发行版信息
[root@MysqlCluster01 ~]# cat /etc/issue
CentOS release 6.4 (Final)
Kernel \r on an \m
7、内存使用情况
[root@MysqlCluster01 ~]# free -m
total used free shared buffers cached
Mem: 7863 2738 5125 0 141 835
-/+ buffers/cache: 1761 6102
Swap: 3967 0 3967
[root@MysqlCluster01 ~]# cat /proc/cpuinfo |grep "physical id"|sort |uniq|wc -l
1
2、查看逻辑CPU的个数
[root@MysqlCluster01 ~]# cat /proc/cpuinfo |grep "processor"|wc -l
4
3、查看CPU是几核(即,核心数)
[root@MysqlCluster01 ~]# cat /proc/cpuinfo |grep "cores"|uniq
cpu cores : 4
4、查看CPU的主频
[root@MysqlCluster01 ~]# cat /proc/cpuinfo |grep MHz|uniq
cpu MHz : 2499.982
5、当前操作系统内核信息
[root@MysqlCluster01 ~]# uname -a
Linux MysqlCluster01 2.6.32-431.20.3.el6.x86_64 #1 SMP Thu Jun 19 21:14:45 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
6、当前操作系统发行版信息
[root@MysqlCluster01 ~]# cat /etc/issue
CentOS release 6.4 (Final)
Kernel \r on an \m
7、内存使用情况
[root@MysqlCluster01 ~]# free -m
total used free shared buffers cached
Mem: 7863 2738 5125 0 141 835
-/+ buffers/cache: 1761 6102
Swap: 3967 0 3967
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