[pve-devel] [PATCH 2/2] now if the QMP command starts with guest-+ , it will bind dynamicly to the VMID.qga socket. To test the function vmtime is implemented which return the vm UNIX Time.

[Dietmar Maurer]

> What do we want to do you qga ?

1.) send guest command like shutdown, freeze, unfreeze
2.) query guest status
 
> if it's only to send some commands like filesystem freeze|unfreeze, stop[start , I
> think that calling guest-sync before it's not a big overhead.

The problem is the timeout if guest agent is not running (not the overhead).
But maybe it is not a big problem, and not worth the efforts?