Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756120AbXISTsk (ORCPT ); Wed, 19 Sep 2007 15:48:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751022AbXISTsd (ORCPT ); Wed, 19 Sep 2007 15:48:33 -0400 Received: from zcars04f.nortel.com ([47.129.242.57]:61013 "EHLO zcars04f.nortel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750962AbXISTsc (ORCPT ); Wed, 19 Sep 2007 15:48:32 -0400 Message-ID: <46F17D03.9090801@nortel.com> Date: Wed, 19 Sep 2007 13:48:19 -0600 From: "Chris Friesen" User-Agent: Mozilla Thunderbird 1.0.2-6 (X11/20050513) X-Accept-Language: en-us, en MIME-Version: 1.0 To: davids@webmaster.com CC: "Linux-Kernel@Vger. Kernel. Org" Subject: Re: CFS: some bad numbers with Java/database threading [FIXED] References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 19 Sep 2007 19:48:23.0687 (UTC) FILETIME=[09CFF170:01C7FAF6] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 633 Lines: 16 David Schwartz wrote: > Nonsense. The task is always ready-to-run. There is no reason its CPU should > be low. This bug report is based on a misunderstanding of what yielding > means. The yielding task has given up the cpu. The other task should get to run for a timeslice (or whatever the equivalent is in CFS) until the yielding task again "becomes head of the thread list". Chris - 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/