Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753086AbXLEQZp (ORCPT ); Wed, 5 Dec 2007 11:25:45 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751565AbXLEQZh (ORCPT ); Wed, 5 Dec 2007 11:25:37 -0500 Received: from mx2.mail.elte.hu ([157.181.151.9]:54738 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751552AbXLEQZh (ORCPT ); Wed, 5 Dec 2007 11:25:37 -0500 Date: Wed, 5 Dec 2007 17:25:12 +0100 From: Ingo Molnar To: Eric Dumazet Cc: Jie Chen , Simon Holm Th??gersen , linux-kernel@vger.kernel.org, Peter Zijlstra Subject: Re: Possible bug from kernel 2.6.22 and above, 2.6.24-rc4 Message-ID: <20071205162512.GA17994@elte.hu> References: <4744966C.900@jlab.org> <4744ADA9.7040905@cosmosbay.com> <4744E0DC.7050808@jlab.org> <1195698770.11808.4.camel@odie.local> <4744F042.4070002@jlab.org> <20071204131707.GA4232@elte.hu> <4756C3D9.9030107@jlab.org> <20071205154014.GA6491@elte.hu> <4756CEEE.9050908@cosmosbay.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4756CEEE.9050908@cosmosbay.com> User-Agent: Mutt/1.5.17 (2007-11-01) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 543 Lines: 17 * Eric Dumazet wrote: > $ gcc -O2 -o burner burner.c > $ ./burner > Time to perform the unit of work on one thread is 0.040328 s > Time to perform the unit of work on 2 threads is 0.040221 s ok, but this actually suggests that scheduling is fine for this, correct? Ingo -- 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/