Hi, Michael, What's your deferring skb allocation patch mentioned here, may you elaborate it a little more detailed? Thanks Xiaohui -----Original Message----- From: kvm-owner@xxxxxxxxxxxxxxx [mailto:kvm-owner@xxxxxxxxxxxxxxx] On Behalf Of Michael S. Tsirkin Sent: Tuesday, November 03, 2009 3:47 AM To: Shirley Ma Cc: Sridhar Samudrala; Shirley Ma; David Stevens; kvm@xxxxxxxxxxxxxxx; sri@xxxxxxxxxxxxxxxxxx; mashirle@xxxxxxxxxxxxxxxxxx Subject: Re: vhost-net patches On Thu, Oct 29, 2009 at 12:11:33AM -0700, Shirley Ma wrote: > Hello Michael, > > I am able to get 63xxMb/s throughput with 10% less cpu utilization when > I apply deferring skb patch on top of your most recent vhost patch. The > userspace TCP_STREAM BW used to be 3xxxMb/s from upper stream git tree. > > After applying your recent vhost patch, it goes up to 53xxMb/s. Thanks for the report! I have pushed this patch (after cleaning it up and fixing raw sockets), and updated the numbers in the wiki here http://www.linux-kvm.org/page/VhostNet -- MST -- 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 -- 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
