Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764018AbXFEJYQ (ORCPT ); Tue, 5 Jun 2007 05:24:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1761905AbXFEJYE (ORCPT ); Tue, 5 Jun 2007 05:24:04 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:41507 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1761487AbXFEJYB (ORCPT ); Tue, 5 Jun 2007 05:24:01 -0400 Date: Tue, 5 Jun 2007 11:23:44 +0200 From: Ingo Molnar To: Matt Mackall Cc: Rusty Russell , akpm@linux-foundation.org, Linux-kernel@vger.kernel.org Subject: Re: Interesting interaction between lguest and CFS Message-ID: <20070605092344.GA20600@elte.hu> References: <20070604173710.GR11166@waste.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070604173710.GR11166@waste.org> User-Agent: Mutt/1.5.14 (2007-02-12) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -2.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.0 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.1.7 -2.0 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 656 Lines: 25 * Matt Mackall wrote: > Ok, my transcoding just finished as I was writing this. So I've > reproduced the problem with this Python script that I had handy: > > memload.py: > #!/usr/bin/python > a = "a" * 16 * 1024 * 1024 > while 1: > b = a[1:] + "b" > a = b[1:] + "c" i suspect the same latency is triggered by a simple infinite loop too: while : ; do : ; done & 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/