From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Wang Subject: Re: [PATCH v2 net-next] pkt_sched: fq: Fair Queue packet scheduler Date: Thu, 05 Sep 2013 11:07:41 +0800 Message-ID: <5227F57D.7030709@redhat.com> References: <1377816595.8277.54.camel@edumazet-glaptop> <5226C4A0.6040709@redhat.com> <1378274376.7360.82.camel@edumazet-glaptop> <5226D39C.9070401@redhat.com> <1378290638.7360.85.camel@edumazet-glaptop> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: David Miller , netdev , Yuchung Cheng , Neal Cardwell , "Michael S. Tsirkin" To: Eric Dumazet Return-path: Received: from mx1.redhat.com ([209.132.183.28]:36113 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935524Ab3IEDHx (ORCPT ); Wed, 4 Sep 2013 23:07:53 -0400 In-Reply-To: <1378290638.7360.85.camel@edumazet-glaptop> Sender: netdev-owner@vger.kernel.org List-ID: On 09/04/2013 06:30 PM, Eric Dumazet wrote: > On Wed, 2013-09-04 at 14:30 +0800, Jason Wang wrote: > >>> And tcpdump would certainly help ;) >> See attachment. >> > Nothing obvious on tcpdump (only that lot of frames are missing) > > 1) Are you capturing part of the payload only (like tcpdump -s 128) No, I use something like tcpdump -i eth0 -w fq -c 300 after the netperf start. > > 2) What is the setup. Tow kvm guest with virtio-net and vhost enabled. Only one queue is enabled and the guest were connected with bridge. Both host and guest were net-next.git > > 3) tc -s -d qdisc tc -s -d qdisc qdisc fq 8001: dev eth0 root refcnt 2 [Unknown qdisc, optlen=64] Sent 6680760347 bytes 4431855 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 btw, is the fq support for tc merged into iproute2? Looks like I can't find them. > > > >