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
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