Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265649AbUABV1O (ORCPT ); Fri, 2 Jan 2004 16:27:14 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265691AbUABV1O (ORCPT ); Fri, 2 Jan 2004 16:27:14 -0500 Received: from h80ad254a.async.vt.edu ([128.173.37.74]:48319 "EHLO turing-police.cc.vt.edu") by vger.kernel.org with ESMTP id S265649AbUABV1I (ORCPT ); Fri, 2 Jan 2004 16:27:08 -0500 Message-Id: <200401022127.i02LR0vm015416@turing-police.cc.vt.edu> X-Mailer: exmh version 2.6.3 04/04/2003 with nmh-1.0.4+dev To: Paolo Ornati Cc: Ed Sweetman , linux-kernel@vger.kernel.org Subject: Re: Strange IDE performance change in 2.6.1-rc1 (again) In-Reply-To: Your message of "Fri, 02 Jan 2004 22:04:27 +0100." <200401022200.22917.ornati@lycos.it> From: Valdis.Kletnieks@vt.edu References: <200401021658.41384.ornati@lycos.it> <3FF5B3AB.5020309@wmich.edu> <200401022200.22917.ornati@lycos.it> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_-1689837264P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Date: Fri, 02 Jan 2004 16:27:00 -0500 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1614 Lines: 56 --==_Exmh_-1689837264P Content-Type: text/plain; charset=us-ascii On Fri, 02 Jan 2004 22:04:27 +0100, Paolo Ornati said: > The results are like the previous. > > 2.6.0: > 64 31.91 > 128 31.89 > 256 26.22 # during the transfer HD LED blinks > 8192 26.26 # during the transfer HD LED blinks > > 2.6.1-rc1: > 64 25.84 # during the transfer HD LED blinks > 128 25.85 # during the transfer HD LED blinks > 256 25.90 # during the transfer HD LED blinks > 8192 26.42 # during the transfer HD LED blinks > > I have tried with and without "nice -n '-20'" but without any visible changes Do you get different numbers if you boot with: elevator=as elevator=deadline elevator=cfq (for -mm kernels) elevator=noop (You may need to build a kernel with these configured - the symbols are: CONFIG_IOSCHED_NOOP=y CONFIG_IOSCHED_AS=y CONFIG_IOSCHED_DEADLINE=y CONFIG_IOSCHED_CFQ=y (-mm kernels only) and can be selected in the 'General Setup' menu - they should all be built by default unless you've selected EMBEDDED). --==_Exmh_-1689837264P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (GNU/Linux) Comment: Exmh version 2.5 07/13/2001 iD8DBQE/9eIkcC3lWbTT17ARAhDkAJ9Z/B9417kLrW/+IPN++WpSgzF4WQCfRN83 hOCXagchpmJhEj+VPWx1pDw= =2KhD -----END PGP SIGNATURE----- --==_Exmh_-1689837264P-- - 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/