From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 15 May 2002 12:23:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 15 May 2002 12:23:18 -0400 Received: from holomorphy.com ([66.224.33.161]:22690 "EHLO holomorphy") by vger.kernel.org with ESMTP id ; Wed, 15 May 2002 12:23:17 -0400 Date: Wed, 15 May 2002 09:21:16 -0700 From: William Lee Irwin III To: Rik van Riel Cc: Denis Vlasenko , linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [RFC][PATCH] iowait statistics Message-ID: <20020515162116.GE27957@holomorphy.com> Mail-Followup-To: William Lee Irwin III , Rik van Riel , Denis Vlasenko , linux-kernel@vger.kernel.org, linux-mm@kvack.org In-Reply-To: <200205151514.g4FFEmY13920@Port.imtp.ilyichevsk.odessa.ua> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Description: brief message Content-Disposition: inline User-Agent: Mutt/1.3.25i Organization: The Domain of Holomorphy Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 15 May 2002, Denis Vlasenko wrote: >> I think two patches for same kernel piece at the same time is >> too many. Go ahead and code this if you want. On Wed, May 15, 2002 at 01:13:33PM -0300, Rik van Riel wrote: > OK, here it is. Changes against yesterday's patch: > 1) make sure idle time can never go backwards by incrementing > the idle time in the timer interrupt too (surely we can > take this overhead if we're idle anyway ;)) > 2) get_request_wait also raises nr_iowait_tasks (thanks akpm) > This patch is against the latest 2.5 kernel from bk and > pretty much untested. If you have the time, please test > it and let me know if it works. I'll take it for a spin on my 8-way HT box; I can remove enough of the non-compiling device subsystems to get test boots & runs in there. Cheers, Bill