Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761582AbXE2AuN (ORCPT ); Mon, 28 May 2007 20:50:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752286AbXE2AuA (ORCPT ); Mon, 28 May 2007 20:50:00 -0400 Received: from qb-out-0506.google.com ([72.14.204.230]:36474 "EHLO qb-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752230AbXE2AuA (ORCPT ); Mon, 28 May 2007 20:50:00 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:user-agent:mime-version:to:cc:subject:references:in-reply-to:content-type:content-transfer-encoding; b=AnZ41B2g/RbTsIudJaH1/P82G1uljINdzTMnjyerx7qpZHZvtjdUKUoLN829XN+K9YBjTGbFh5deyrU07bgYGWJ1U7mpOzbGRTpBXIa+G59qmKgwzRDxKfODv6LDFznJ1Uwpni7DrUINiCig8mUsOedhC0m/VFr4ol/Ikd24SAU= Message-ID: <465B78AC.4050009@gmail.com> Date: Tue, 29 May 2007 08:49:48 +0800 From: Li Yu User-Agent: Thunderbird 1.5.0.10 (X11/20070403) MIME-Version: 1.0 To: Ingo Molnar CC: linux-kernel@vger.kernel.org Subject: Re: [patch] CFS scheduler, -v14 References: <20070523120616.GA23407@elte.hu> <465A2DA4.7070409@gmail.com> In-Reply-To: <465A2DA4.7070409@gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 755 Lines: 21 Li Yu wrote: > > But as I observe by cat /proc/sched_debug (2.6.21.1, UP, RHEL4), I > found the all waiting fields often are more than zero, or less than zero. > > IMHO, the sum of task_struct->wait_runtime just is the denominator of > all runnable time in some ways, is it right? if so, increasing the sum > of wait_runtime just make scheduling decision more precise. so what's > meaning for keeping the wait_runtime is zero-sum? > Forget it pls, here I am wrong, sorry for pestering. Good luck - Li Yu - 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/