On Mon, Dec 13, 2010 at 03:35:38PM +0200, Michael S. Tsirkin wrote: > On Mon, Dec 13, 2010 at 01:11:27PM +0000, Stefan Hajnoczi wrote: > > Fresh results: > > > > 192.168.0.1 - host (runs netperf) > > 192.168.0.2 - guest (runs netserver) > > > > host$ src/netperf -H 192.168.0.2 -- -m 200 > > > > ioeventfd=on > > TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 192.168.0.2 > > (192.168.0.2) port 0 AF_INET > > Recv Send Send > > Socket Socket Message Elapsed > > Size Size Size Time Throughput > > bytes bytes bytes secs. 10^6bits/sec > > 87380 16384 200 10.00 1759.25 > > > > ioeventfd=off > > TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 192.168.0.2 > > (192.168.0.2) port 0 AF_INET > > Recv Send Send > > Socket Socket Message Elapsed > > Size Size Size Time Throughput > > bytes bytes bytes secs. 10^6bits/sec > > > > 87380 16384 200 10.00 1757.15 > > > > The results vary approx +/- 3% between runs. > > > > Invocation: > > $ x86_64-softmmu/qemu-system-x86_64 -m 4096 -enable-kvm -netdev > > type=tap,id=net0,ifname=tap0,script=no,downscript=no -device > > virtio-net-pci,netdev=net0,ioeventfd=on|off -vnc :0 -drive > > if=virtio,cache=none,file=$HOME/rhel6-autobench-raw.img > > > > I am running qemu.git with v5 patches, based off > > 36888c6335422f07bbc50bf3443a39f24b90c7c6. > > > > Host: > > 1 Quad-Core AMD Opteron(tm) Processor 2350 @ 2 GHz > > 8 GB RAM > > RHEL 6 host > > > > Next I will try the patches on latest qemu-kvm.git > > > > Stefan > > One interesting thing is that I put virtio-net earlier on > command line.
Sorry I mean I put it after disk, you put it before. > Since iobus scan is linear for now, I wonder if this might > possibly matter. > > -- > MST
