Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267665AbUIAUUV (ORCPT ); Wed, 1 Sep 2004 16:20:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267730AbUIAUUV (ORCPT ); Wed, 1 Sep 2004 16:20:21 -0400 Received: from amsfep17-int.chello.nl ([213.46.243.15]:20245 "EHLO amsfep17-int.chello.nl") by vger.kernel.org with ESMTP id S267665AbUIAULS (ORCPT ); Wed, 1 Sep 2004 16:11:18 -0400 Subject: Re: [patch] voluntary-preempt-2.6.9-rc1-bk4-Q7 From: Peter Zijlstra To: Thomas Charbonnel Cc: Ingo Molnar , LKML , "K.R. Foley" , Mark_H_Johnson@raytheon.com, Lee Revell In-Reply-To: <1094058546.6465.2.camel@localhost> References: <200408282210.03568.pnambic@unu.nu> <20040828203116.GA29686@elte.hu> <1093727453.8611.71.camel@krustophenia.net> <20040828211334.GA32009@elte.hu> <1093727817.860.1.camel@krustophenia.net> <1093737080.1385.2.camel@krustophenia.net> <1093746912.1312.4.camel@krustophenia.net> <20040829054339.GA16673@elte.hu> <20040830090608.GA25443@elte.hu> <20040901082958.GA22920@elte.hu> <20040901135122.GA18708@elte.hu> <1094058546.6465.2.camel@localhost> Content-Type: text/plain Date: Wed, 01 Sep 2004 22:11:13 +0200 Message-Id: <1094069473.7477.2.camel@twins> Mime-Version: 1.0 X-Mailer: Evolution 1.5.91 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 860 Lines: 28 On Wed, 2004-09-01 at 19:09 +0200, Thomas Charbonnel wrote: > Ingo Molnar wrote : > > i've released the -Q7 patch: > > > > http://redhat.com/~mingo/voluntary-preempt/voluntary-preempt-2.6.9-rc1-bk4-Q7 > > With Q7 I still get rx latency issues (> 130 us non-preemptible section > from rtl8139_poll). Moreover network connections were extremely slow > (almost hung) until I set /proc/sys/net/core/netdev_backlog_granularity > to 2. > > Thomas > Me too! I too have a rtl8139 network card. kr, what kind of nic do you have since this does not occur on your machine? -- Peter Zijlstra - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/