Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261528AbVEAOZB (ORCPT ); Sun, 1 May 2005 10:25:01 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261642AbVEAOZB (ORCPT ); Sun, 1 May 2005 10:25:01 -0400 Received: from wproxy.gmail.com ([64.233.184.201]:1228 "EHLO wproxy.gmail.com") by vger.kernel.org with ESMTP id S261528AbVEAOYi convert rfc822-to-8bit (ORCPT ); Sun, 1 May 2005 10:24:38 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=IdcH20SAfFcaFlC287q6uOQVx/Y/P+hYKUkiN13WnRF1JDU845UUE5XwPuHNAOLvAt1FQvK78sRYlBqd6n9RfaNik1sOAFTfLtpMUVk89tYgKnNn+gSIeQN+bHup5sZE9+51dYcKcVbnTExreKtRJe+bFMxPvenlsiYZDSDKKjE= Message-ID: <2cd57c9005050107244ffde141@mail.gmail.com> Date: Sun, 1 May 2005 22:24:33 +0800 From: Coywolf Qi Hunt Reply-To: coywolf@lovecn.org To: Boris Fersing Subject: Re: HyperThreading, kernel 2.6.10, 1 logical CPU idle !! Cc: linux-kernel In-Reply-To: <1114954969.27940.1.camel@electron> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Content-Disposition: inline References: <3Z3u8-28Z-9@gated-at.bofh.it> <4273E2BB.9010509@shaw.ca> <4273FA88.1060405@free.fr> <1114954969.27940.1.camel@electron> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1695 Lines: 55 It seems the problem was already solved.Try the latest mm tree: 2.6.12-rc3-mm2. FYI: sched2-fix-smt-scheduling-problems-fix.patch sched2-fix-smt-scheduling-problems.patch On 5/1/05, Boris Fersing wrote: > I disabled SMT in the kernel config and yet it seems to work ... > > Boris. > > Le samedi 30 avril 2005 ? 23:37 +0200, Boris Fersing a ?crit : > > Robert Hancock a ?crit : > > > > > Boris Fersing wrote: > > > > > >> Hi there, > > >> I've a p4 HT 3,06Ghz, I've HT enabled in the BIOS and in the kernel : > > >> > > >> Linux electron 2.6.10-cj5 #6 SMP Fri Mar 4 02:18:08 CET 2005 i686 Mobile > > >> Intel(R) Pentium(R) 4 CPU 3.06GHz GenuineIntel GNU/Linux . > > >> > > >> But it seems that one of my cpus is idle (gkrellm monitor or top) : > > >> > > >> Cpu0 : 88.0% us, 12.0% sy, 0.0% ni, 0.0% id, 0.0% wa, 0.0% hi, > > >> 0.0% si > > >> Cpu1 : 0.0% us, 0.3% sy, 0.0% ni, 99.7% id, 0.0% wa, 0.0% hi, > > >> 0.0% si > > >> > > >> > > >> I'm actually compiling thunderbird with MAKEOPTS="-j3", so , the second > > >> should be used, shouldn't it ? > > > > > > > > > Are you sure that it is actually compiling multiple files at once? > > > > > Yes I'm sure, Even if I launch more than 1 gcc, or for example, start a > > compilation + video encoding (mencoder) + ... the second CPU won't work > > (idle 100% or sometimes 99,9%). > > > > Regards, > > > > Boris. -- Coywolf Qi Hunt http://sosdg.org/~coywolf/ - 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/