[libvirt-users] memoryStats question

Gleb Voronich xnetua at gmail.com
Thu Jul 3 14:29:13 UTC 2014


> Eric Blake <mailto:eblake at redhat.com>
>
> In the case of the memory balloon device, libvirt CAN provide stats from
> the guest, because of the way the balloon device works. But if you
> aren't using a balloon, or if the guest is not cooperative, this won't
> work. Better would be a guest-agent command for getting at this
> information (but again, you are relying on guest cooperation). In
> short, libvirt is great at stats from the HOST point of view, but for
> stats from the GUEST point of view, you are often better off using the
> same mechanisms that you would for getting stats from a remote bare
> metal machine, without needing libvirt in the mix.

Thanks Eric.

1. I use the balloon for all of my guests:
<memballoon model='virtio'>
     But how can I get stats?

2. I've tried the latest QEMU GA 2.0.0

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