On Wed, 2011-02-02 at 17:48 +0200, Michael S. Tsirkin wrote: > And this is with sndbuf=0 in host, yes? > And do you see a lot of tx interrupts? > How packets per interrupt? Nope, sndbuf doens't matter since I never hit reaching sock wmem condition in vhost. I am still playing around, let me know what data you would like to collect. Thanks Shirley -- 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