Sridhar Samudrala <sri@xxxxxxxxxx> wrote on 09/10/2010 04:30:24 AM: > I remember seeing similar issue when using a separate vhost thread for > TX and > RX queues. Basically, we should have the same vhost thread process a > TCP flow > in both directions. I guess this allows the data and ACKs to be > processed in sync. I was trying that by sharing threads between rx and tx[0], but that didn't work either since guest rarely picks txq=0. I was able to get reasonable single stream performance by pinning vhosts to the same cpu. Thanks, - KK -- 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