virDomainMemoryStats() gets those stats, if qemu is new enough to
provide them, and if the guest cooperates to provide them.
Well I use the latest QEMU 2.0.0
I have the latest CentOS 6.5 installed on the guest and unfortunately I
can't get more stats that I have.
Which OS are you using in your guests?
Of course, you need to have the virtio balloon driver up and runnig in
your guests.
CentOS 6.5 x86_64
It has the balloon driver and it is up and running:
# modinfo virtio_balloon
filename:
/lib/modules/2.6.32-431.17.1.el6.x86_64/kernel/drivers/virtio/virtio_balloon.ko
license: GPL
description: Virtio balloon driver
srcversion: BB9F75B2CAF3435CC507998
alias: virtio:d00000005v*
depends: virtio,virtio_ring
vermagic: 2.6.32-431.17.1.el6.x86_64 SMP mod_unload modversions
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