On Tue, Aug 18, 2009 at 02:54:23PM -0600, Alex Williamson wrote: > On Mon, Aug 17, 2009 at 6:37 AM, Michael S. Tsirkin<mst@xxxxxxxxxx> wrote: > > This adds support for vhost-net virtio kernel backend. > > > > This is RFC, but works without issues for me. > > I got this to build by syncing up some headers in kvm/include/linux, > but it doesn't seem to be working quite right. I have an unused > e1000e nic in my system (eth10,00:17:a4:77:a4:08) that I ifconfig up, > then launch a VM with the option: > > -net nic,model=virtio,macaddr=00:17:a4:77:a4:08,vhost=eth10 > > The virtio nic is functional in the guest, but it gets packet dupes on > ping, which is likely contributing to the poor performance, roughly > 1/3rd of virtio-net userspace for tcp_stream and tcp_rr. I think I > have all the offload option disabled on the nic in the host. Any idea > what I might be doing wrong? This seems quite a bit off of the udp_rr > results you posted. Thanks, > > Alex Did you assign ip address in host by any chance? You don't want that. -- MST -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
