I would like to know how much memory and cpu virtual machine are using so yes guest's perspective.

I'm building a web app that has to alert the user when the vm is going to be stressed and I would like to do this in terms of mem and cpu usage. Thanks in advance for your support, Enrico De Maio On Mon, Mar 10, 2014 at 7:16 PM, Eric Blake <eblake(a)redhat.com&gt; wrote: > On 03/10/2014 04:54 AM, Enrico De Maio wrote: > > Hi everybody, > > > > I'm using libvirt java api bindings for my thesis. I would like to know > if > > there is a way to obtain live information about cpu and mem usage of a > > domain. > > Are you asking the question from the host's perspective (how much > resources has the host given to the guest) or from the guest's > perspective (how much is the guest actively using, even if the host has > given it more)? Libvirt already provides several API calls. such as the > ones used by 'virsh cpu-stats' and 'virsh dommemstat'; you may have to > do some code reading to figure out what C calls the virsh code made in > order to find the same API under the Java bindings. > > -- > Eric Blake eblake redhat com +1-919-301-3266 > Libvirt virtualization library http://libvirt.org > >