[libvirt] [libvirt-php] libvirt_domain_new Create a slow vm

[Mario Di Ture]

2014-06-02 17:35 GMT+02:00 Eric Blake <eblake at redhat.com>:

> On 06/02/2014 09:17 AM, Mario Di Ture wrote:
> > Hi,
> >
> > I've tested this script on centos 6.5 (libvirt-0.10.2, qemu-kvm-0.12.1.2)
> > and
> > ubuntu server 14.04 (libvirt 1.2.2, qemu-kvm  2.0.0) with the same
> result.
> > The created vm is very slow compared to the vm created with virt-manager,
> > with the same features/devices on the same host.
> > Can you suggest any configuration that can avoid that slowness?
>
> Can you compare the output of 'virsh dumpxml' for the fast and the slow
> domain? My guess is that you forgot to request KVM hardware acceleration
> for the slow domain.  Look for '<domain type='kvm'> as well as for the
> right <emulator> binary.  'However, I'm not familiar enough with the
> libvirt-php bindings to suggest what to add to your code to get the
> correct XML.
>
>
>
That's right Eric, the setting is <domain type='kvm'> on the fast, and <domain
type='qemu'> on the slow domain.
It seems that the parameter cannot be passed with the  libvirt_domain_new
function...looking for an alternative...
Thanks for the tip!
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