[OmniOS-discuss] Potential KVM Virtio Performance Issues

[Dan McDonald]

> On Mar 24, 2015, at 5:34 PM, John Barfield <john.barfield at bissinc.com> wrote:
> 
> 
> They use this format:
> 
> -device \
> virtio-net-pci,mac=02:08:20:5f:85:0d,tx=timer,x-txtimer=200000,x-txburst=12
> 8,vlan=0 \
> \
> -net \
> vnic,name=${VNIC1},vlan=0,ifname=${VNIC1} \

> I’m not sure if the txtimer values did anything performance gaining or 
> not…I’m pretty sure just switching to the -device configuration instead of 
> the legacy -net nic configuration is what did the trick. 
> 
> If anyone wants me to I’ll test and see if that was the only difference. 

I would be interested, especially so if we have to update our KVM page to mention this.

Thanks!
Dan