# 1.查看Hypervisor的版本
virsh version
Compiled against library: libvirt 1.2.17
Using library: libvirt 1.2.17
Using API: QEMU 1.2.17
Running hypervisor: QEMU 1.5.3
# 2.查看当前Hypervisor节点信息
virsh nodeinfo
CPU model: x86_64
CPU(s): 4
CPU frequency: 815 MHz
CPU socket(s): 1
Core(s) per socket: 4
Thread(s) per core: 1
NUMA cell(s): 1
Memory size: 3739508 KiB
# 3.查看Hypervisor的内存信息(因为是第一个节点，cell参数是0)
virsh nodememstats 0
total : 3739508 KiB
free : 954480 KiB
buffers: 568 KiB
cached : 1958840 KiB
# 4.查看Hypervisor的cpu信息(第一个cpu，参数是0，第二个cpu就是1)
virsh nodecpustats 0
user: 218260000000
system: 43980000000
idle: 24847180000000
iowait: 66780000000
# 5.按百分比查看cpu状态
virsh nodecpustats 1 --percent
usage: 0.0%
user: 0.0%
system: 0.0%
idle: 100.0%
iowait: 0.0%
# 1.查看虚拟机信息
virsh dominfo vm1
Id: 4
Name: vm1
UUID: 2b2a6006-6834-47d1-b5c5-5090aa0dd101
OS Type: hvm
State: running
CPU(s): 1
CPU time: 14.8s
Max memory: 1048576 KiB
Used memory: 1048576 KiB
Persistent: yes
Autostart: disable
Managed save: no
Security model: selinux
Security DOI: 0
Security label: system_u:system_r:svirt_t:s0:c594,c917 (enforcing)
# 2.查看虚机cpu信息
virsh vcpucount vm2
maximum config 1
maximum live 1
current config 1
current live 1
# 3.查看虚机mem信息(单位是KB)
virsh dommemstat vm2
actual 1048576
swap_in 0
rss 320472
# 4.查看虚机可用的网络信息
virsh domiflist vm2
Interface Type Source Model MAC
-------------------------------------------------------
vnet1 bridge br0 virtio 52:54:00:d5:5a:d6
# 5.查看虚机img文件信息
qemu-img info /data/kvm/images/vm1.img
image: /data/kvm/images/vm1.img
file format: qcow2
virtual size: 10G (10737418240 bytes)
disk size: 1.3G
cluster_size: 65536
Snapshot list:
ID TAG VM SIZE DATE VM CLOCK
1 pure-installed 206M 2016-03-30 16:33:35 00:45:27.709
Format specific information:
compat: 1.1
lazy refcounts: true