From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759187AbXGBNnT (ORCPT ); Mon, 2 Jul 2007 09:43:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754627AbXGBNnL (ORCPT ); Mon, 2 Jul 2007 09:43:11 -0400 Received: from wa-out-1112.google.com ([209.85.146.177]:10108 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752883AbXGBNnK (ORCPT ); Mon, 2 Jul 2007 09:43:10 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=YIfs8dFBeMdiN9eHCXF2PJukHWjwBU+mXGpFkDC8rI0L+Bnm1bPdqc+GBq4YScoVrrX7kcsa9NjfGKKPb3MVRPLSlRCerCKp0oRNXakJJy/R2pM2PamvgiNPPr3ptSe7vGzMVp+5IdE5hrTy2OBWe9XAeR6pX5j82aaKoSH6COU= Message-ID: <19f34abd0707020643g6a274db5q1d25cabd85b9a25f@mail.gmail.com> Date: Mon, 2 Jul 2007 15:43:09 +0200 From: "Vegard Nossum" To: "Dmitry Adamushko" Subject: Re: [patch] CFS scheduler, -v18 Cc: "Ingo Molnar" , "Linux Kernel" In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20070622220202.GA16872@elte.hu> <19f34abd0707020444r47221944tf7f33b2a0d17c367@mail.gmail.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On 7/2/07, Dmitry Adamushko wrote: > On 02/07/07, Vegard Nossum wrote: > > I have been running cfs-v18 for a couple of days now, and today I > > stumbled upon a rather strange problem. Consider the following short > > program: > > > > while(1) > > printf("%ld\r", 1000 * clock() / CLOCKS_PER_SEC); > > Is it running with a default (0) nice value? Yes. > could you please run the following script when your application is running? > As you have pointed out : > > "... In fact, it seems that the longer it runs, the longer it takes to > terminate (towards 5 seconds after running for a couple of minutes > ..." , (I don't think it'll ever take more than 5 seconds, though.) > please run the script a few times : say, before starting up your > application, 10 sec. after it's got started, 1 minute, a few minute... > > http://people.redhat.com/mingo/cfs-scheduler/tools/cfs-debug-info.sh Resulting files at http://vegard.afraid.org:1104/pub/cfs/ cfs-debug-info-2007.07.02-15:18:13 Before running program cfs-debug-info-2007.07.02-15:19:51 ~10 secs after start cfs-debug-info-2007.07.02-15:20:54 ~1 minute after start cfs-debug-info-2007.07.02-15:25:52 ~5 minutes after start cfs-debug-info-2007.07.02-15:30:54 ~10 minutes after start a.out is my program, FahCore_78 is the f@h client. Hope this helps. Vegard