Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965209AbXHaNW1 (ORCPT ); Fri, 31 Aug 2007 09:22:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964971AbXHaNWU (ORCPT ); Fri, 31 Aug 2007 09:22:20 -0400 Received: from scrub.xs4all.nl ([194.109.195.176]:2235 "EHLO scrub.xs4all.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964879AbXHaNWT (ORCPT ); Fri, 31 Aug 2007 09:22:19 -0400 Date: Fri, 31 Aug 2007 15:22:52 +0200 (CEST) From: Roman Zippel X-X-Sender: roman@scrub.home To: Mike Galbraith cc: linux-kernel@vger.kernel.org, mingo@elte.hu, peterz@infradead.org Subject: Re: [ANNOUNCE/RFC] Really Fair Scheduler In-Reply-To: <1188553015.8061.36.camel@Homer.simpson.net> Message-ID: References: <1188553015.8061.36.camel@Homer.simpson.net> 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 Content-Length: 874 Lines: 22 Hi, On Fri, 31 Aug 2007, Mike Galbraith wrote: > I plunked it into 2.6.23-rc4 to see how it reacts to various sleeper > loads, and hit some starvation. If I got it in right (think so) there's > a bug lurking somewhere. taskset -c 1 fairtest2 resulted in the below. > It starts up running both tasks at about 60/40 for hog/sleeper, then > after a short while goes nuts. The hog component eats 100% cpu and > starves the sleeper (and events, forever). Thanks for testing, although your test program does nothing unusual here. Can you please send me your .config? Were there some kernel messages while running it? bye, Roman - 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/