On 12 January 2014 21:49, Barak Wasserstrom <wba...@gmail.com> wrote: > Thanks - I got virtio-net-device running now, but performance is terrible. > When i look at the guest's ethernet interface features (ethtool -k eth0) i > see all offload features are disabled. > I'm using a virtual tap on the host (tap0 bridged to eth3). > On the tap i also see all offload features are disabled, while on br0 and > eth3 i see the expected offload features. > Can this explain the terrible performance i'm facing? > If so, how can this be changed? > If not, what else can cause such bad performance? > Do you know if vhost_net can be used on ARM Cortex A15 host/guest, even > though the guest doesn't support PCI & MSIX?
I have no idea, I'm afraid. I don't have enough time available to investigate performance issues at the moment; if you find anything specific you can submit patches... thanks -- PMM
