From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263544AbUEYF5w (ORCPT ); Tue, 25 May 2004 01:57:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264352AbUEYF5w (ORCPT ); Tue, 25 May 2004 01:57:52 -0400 Received: from outmx001.isp.belgacom.be ([195.238.3.51]:37012 "EHLO outmx001.isp.belgacom.be") by vger.kernel.org with ESMTP id S263544AbUEYF5v (ORCPT ); Tue, 25 May 2004 01:57:51 -0400 Subject: 2.6.7rc1 vs 2.6.0 From: FabF To: lkml Content-Type: text/plain Message-Id: <1085464727.3762.4.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 (1.4.6-2) Date: Tue, 25 May 2004 07:58:47 +0200 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi, Here's trivial fgrep vs report (using ffb1) : 2.6.7rc1 : Grepping /usr/bin : 45% cpu - 38.06 RT Sec - 1.10 Sec in KM Entries scanned : 1527 85112 Kb analyzed this time 2.6.0 : Grepping /usr/bin : 51% cpu - 33.12 RT Sec - 1.10 Sec in KM Entries scanned :1527 85112 Kb analyzed this time This is done against ext3 fs. Same .config, same box, same box state. What relevance could explain this 5s delta ? IOW, what big ext3, mm new functionnalities have been plugged in-between ? Thanks, FabF