libvirt users - Jul 2014 - Re: memoryStats question

At Thu, 03 Jul 2014 17:32:20 +0300,
Gleb Voronich wrote:
> 
> 
> > Actually, you should get more stats when using the virtio balloon
> > driver in your guests.
> I use the balloon but I can't get more stats.
> I use python binding for libvirt and as far as I can see it calls
> virDomainMemoryStats exactly.
Which OS are you using in your guests?

Of course, you need to have the virtio balloon driver up and runnig in
your guests.

Claudio

On 07/03/2014 08:39 AM, Claudio Bley wrote:
> At Thu, 03 Jul 2014 17:32:20 +0300,
> Gleb Voronich wrote:
>>
>>
>>> Actually, you should get more stats when using the virtio balloon
>>> driver in your guests.
>> I use the balloon but I can't get more stats.
>> I use python binding for libvirt and as far as I can see it calls
>> virDomainMemoryStats exactly.
> 
> Which OS are you using in your guests?
> 
> Of course, you need to have the virtio balloon driver up and runnig in
> your guests.
You also have to have new enough qemu that reports stats without
blocking (qemu 0.14 or newer added stat reporting via qom-get, since the
older query-balloon interface blocks) and libvirt that knows how to read
stats via qom-get (libvirt 1.1.1 or newer).

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

> You also have to have new enough qemu that reports stats without
> blocking (qemu 0.14 or newer added stat reporting via qom-get, since the
> older query-balloon interface blocks) and libvirt that knows how to read
> stats via qom-get (libvirt 1.1.1 or newer)
As I've already mentioned I use QEMU 2.0.0 and Libvirt 1.2.5 with no luck :(