Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261799AbVDKPV4 (ORCPT ); Mon, 11 Apr 2005 11:21:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261801AbVDKPV4 (ORCPT ); Mon, 11 Apr 2005 11:21:56 -0400 Received: from pat.uio.no ([129.240.130.16]:39349 "EHLO pat.uio.no") by vger.kernel.org with ESMTP id S261799AbVDKPVz convert rfc822-to-8bit (ORCPT ); Mon, 11 Apr 2005 11:21:55 -0400 Subject: Re: bdflush/rpciod high CPU utilization, profile does not make sense From: Trond Myklebust To: Jakob Oestergaard Cc: Greg Banks , linux-kernel@vger.kernel.org In-Reply-To: <20050411144127.GE13369@unthought.net> References: <20050406160123.GH347@unthought.net> <20050406231906.GA4473@sgi.com> <20050407153848.GN347@unthought.net> <1112890671.10366.44.camel@lade.trondhjem.org> <20050409213549.GW347@unthought.net> <1113083552.11982.17.camel@lade.trondhjem.org> <20050411074806.GX347@unthought.net> <1113222939.14281.17.camel@lade.trondhjem.org> <20050411134703.GC13369@unthought.net> <1113230125.9962.7.camel@lade.trondhjem.org> <20050411144127.GE13369@unthought.net> Content-Type: text/plain; charset=UTF-8 Date: Mon, 11 Apr 2005 11:21:45 -0400 Message-Id: <1113232905.9962.15.camel@lade.trondhjem.org> Mime-Version: 1.0 X-Mailer: Evolution 2.0.4 Content-Transfer-Encoding: 8BIT X-UiO-Spam-info: not spam, SpamAssassin (score=-3.48, required 12, autolearn=disabled, AWL 1.52, UIO_MAIL_IS_INTERNAL -5.00) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 718 Lines: 21 må den 11.04.2005 Klokka 16:41 (+0200) skreiv Jakob Oestergaard: > > That can mean either that the server is dropping fragments, or that the > > client is dropping the replies. Can you generate a similar tcpdump on > > the server? > > Certainly; http://unthought.net/sparrow.dmp.bz2 So, it looks to me as if "sparrow" is indeed dropping packets (missed sequences). Is it running with NAPI enabled too? Cheers, Trond -- Trond Myklebust - 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/