[libvirt] connecting to qemu domain monitor socket outside of libvirt/virsh

Eric Blake eblake at redhat.com
Wed Dec 21 15:40:18 UTC 2016

On 12/20/2016 12:56 PM, Eric Blake wrote:
> On 12/20/2016 12:48 PM, Jason Miesionczek wrote:
>> Hi,
>> So I see that when i have a qemu vm running, that i created via libvirt,
>> there is a socket here:
>> /var/lib/libvirt/qemu/domain-<name>/monitor.sock

> Libvirt creates a QMP socket already.

More to the point, looking at the command line of any libvirt-created
guest, and you will see these four arguments (alongside all the others):

-mon chardev=charmonitor,id=monitor,mode=control

which is the monitor.sock you are asking about, and the mode=control is
what tells you it is a QMP monitor socket.  (The qemu command line
argument '-qmp' is syntactic sugar for the longer paired -chardev/-mon
spelling used by libvirt.)

Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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