On 30 October 2013 22:12, Paolo Bonzini <pbonz...@redhat.com> wrote: > Il 30/10/2013 15:40, Giridhar Maruthy ha scritto: >> Hi All, >> >> I tried to measure the network performance of guest (mach-virt) with >> virtio-net on an ARM host platform (Samsung exynos). The qemu version >> is 1.6.50. >> >> I found that with 1GbE NIC on the host, the host iperf gave a speed of >> 847Mbits/sec when a local dhcp server was used as a iperf server. >> >> But the guest gave a speed of 478Mbits/sec which is around 56% compared to >> host. >> >> What is the typical guest network efficiency compared to host with >> virtio-net? >> Any ideas would be helpful. > > Were you using vhost?
Yes, I did use vhost in the host kernel configuration and passed vhost=on in qemu, but there is no difference in the performance of guest. Thanks, Giridhar > > Paolo
