虚拟机监控virt-top[root@node124 qemu]# yum install virt-top
virt-top-1.0.4-3.15.el6.x86_64
[root@node124 qemu]# virt-top
virt-top 23:22:28 - x86_64 2/2CPU 1897MHz 1866MB
1 domains, 1 active, 1 running, 0 sleeping, 0 paused, 0inactive D:0 O:0 X:0
CPU: 7.3% Mem: 512MB (512 MB by guests)
ID S RDRQ WRRQRXBY TXBY %CPU %MEM TIME NAME
3 R 0 0 52 0 7.3 27.0 5:12.53CentOS-6.7-x86_64
