Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161181AbWAHLJW (ORCPT ); Sun, 8 Jan 2006 06:09:22 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1161185AbWAHLJW (ORCPT ); Sun, 8 Jan 2006 06:09:22 -0500 Received: from quechua.inka.de ([193.197.184.2]:659 "EHLO mail.inka.de") by vger.kernel.org with ESMTP id S1161181AbWAHLJV (ORCPT ); Sun, 8 Jan 2006 06:09:21 -0500 Date: Sun, 8 Jan 2006 12:09:19 +0100 From: Bernd Eckenfels Cc: Willy Tarreau , linux-kernel@vger.kernel.org, gcoady@gmail.com Subject: Re: Why is 2.4.32 four times faster than 2.6.14.6?? Message-ID: <20060108110919.GA6865@lina.inka.de> References: <20060108095741.GH7142@w.ods.org> <20060108105401.GI7142@w.ods.org> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20060108105401.GI7142@w.ods.org> User-Agent: Mutt/1.5.9i To: unlisted-recipients:; (no To-header on input) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 979 Lines: 24 On Sun, Jan 08, 2006 at 11:54:01AM +0100, Willy Tarreau wrote: > > it eats it in high interrupt load. > *high* ? he never goes far beyond 1000/s ! it is 10 times higher on 2.6 than 2.4 (I dont think this can be explained by the timer, only.) > quite possibly, but I'd rather think it's more precisely related > to the ping-pong in the scheduler between grep, cut and ssh. Could be, that would also send smaller buffers to tcp... Gruss Bernd -- (OO) -- Bernd_Eckenfels@M?rscher_Strasse_8.76185Karlsruhe.de -- ( .. ) ecki@{inka.de,linux.de,debian.org} http://www.eckes.org/ o--o 1024D/E383CD7E eckes@IRCNet v:+497211603874 f:+49721151516129 (O____O) When cryptography is outlawed, bayl bhgynjf jvyy unir cevinpl! - 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/