From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261530AbUEXHu1 (ORCPT ); Mon, 24 May 2004 03:50:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261628AbUEXHu1 (ORCPT ); Mon, 24 May 2004 03:50:27 -0400 Received: from web90001.mail.scd.yahoo.com ([66.218.94.59]:33190 "HELO web90001.mail.scd.yahoo.com") by vger.kernel.org with SMTP id S261530AbUEXHuZ (ORCPT ); Mon, 24 May 2004 03:50:25 -0400 Message-ID: <20040524075024.84699.qmail@web90001.mail.scd.yahoo.com> Date: Mon, 24 May 2004 00:50:24 -0700 (PDT) From: Phy Prabab Subject: Re: Help understanding slow down To: Nick Piggin Cc: William Lee Irwin III , Andrew Morton , jakob@unthought.net, linux-kernel@vger.kernel.org In-Reply-To: <40B1A7DE.8080309@yahoo.com.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org NO HT, disabled in bios and did not enable in kernel: cat /proc/cpuinfo|grep processor|wc -l 2 grep SMT .config (2.6.7-rc1) # CONFIG_SCHED_SMT is not set On 2.4.21 I also include "append=noht" Thanks! Phy --- Nick Piggin wrote: > Phy Prabab wrote: > > For more information, I ran the same test on > 2.4.21 > > ... > > Is hyperthreading enabled on 2.6 and 2.4? Can you > send > a cat /proc/cpuinfo | grep processor for a 2.4 and a > 2.6 > kernel please? > > If you have hyperthreading enabled, try 2.6.7-rc1 > with > SMT (hyperthreading) scheduler support enabled in > the > kernel config. It is in processor type and features > menu. > __________________________________ Do you Yahoo!? Yahoo! Domains – Claim yours for only $14.70/year http://smallbusiness.promotions.yahoo.com/offer