From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [net-next PATCH V5] qdisc: bulk dequeue support for qdiscs with TCQ_F_ONETXQUEUE Date: Wed, 01 Oct 2014 15:47:20 -0400 (EDT) Message-ID: <20141001.154720.859891453082640385.davem@davemloft.net> References: <542C1F1F.90404@mojatatu.com> <20141001192840.5679a671@redhat.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: jhs@mojatatu.com, therbert@google.com, netdev@vger.kernel.org, eric.dumazet@gmail.com, hannes@stressinduktion.org, fw@strlen.de, dborkman@redhat.com, alexander.duyck@gmail.com, john.r.fastabend@intel.com, dave.taht@gmail.com, toke@toke.dk To: brouer@redhat.com Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:35966 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750962AbaJATrY (ORCPT ); Wed, 1 Oct 2014 15:47:24 -0400 In-Reply-To: <20141001192840.5679a671@redhat.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Jesper Dangaard Brouer Date: Wed, 1 Oct 2014 19:28:40 +0200 > Thus, code is activated only when q->qlen is >= 1. And I have already > shown that we see a win with just bulking 2 packets: > "Subject: qdisc/UDP_STREAM: measuring effect of qdisc bulk dequeue" > http://thread.gmane.org/gmane.linux.network/331152/focus=331154 > > I actually believe, that I have already measured and shown that going > though the bulk dequeue is a win, this should show direct_xmit vs. > bulking: > "Subject: qdisc/trafgen: Measuring effect of qdisc bulk dequeue, with trafgen" > http://thread.gmane.org/gmane.linux.network/331152 +1 Amen...