From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S272729AbTHKPqy (ORCPT ); Mon, 11 Aug 2003 11:46:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S272741AbTHKPqy (ORCPT ); Mon, 11 Aug 2003 11:46:54 -0400 Received: from holomorphy.com ([66.224.33.161]:38312 "EHLO holomorphy") by vger.kernel.org with ESMTP id S272729AbTHKPqw (ORCPT ); Mon, 11 Aug 2003 11:46:52 -0400 Date: Mon, 11 Aug 2003 08:47:40 -0700 From: William Lee Irwin III To: Rob Landley Cc: Nick Piggin , Con Kolivas , linux kernel mailing list , Andrew Morton , Ingo Molnar , Felipe Alfaro Solana Subject: Re: [PATCH] O13int for interactivity Message-ID: <20030811154740.GD32488@holomorphy.com> Mail-Followup-To: William Lee Irwin III , Rob Landley , Nick Piggin , Con Kolivas , linux kernel mailing list , Andrew Morton , Ingo Molnar , Felipe Alfaro Solana References: <200308050207.18096.kernel@kolivas.org> <200308052022.01377.kernel@kolivas.org> <3F2F87DA.7040103@cyberone.com.au> <200308110248.09399.rob@landley.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200308110248.09399.rob@landley.net> Organization: The Domain of Holomorphy User-Agent: Mutt/1.5.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tuesday 05 August 2003 06:32, Nick Piggin wrote: >> But by employing the kernel's services in the shape of a blocking >> syscall, all sleeps are intentional. On Mon, Aug 11, 2003 at 02:48:09AM -0400, Rob Landley wrote: > Wrong. Some sleeps indicate "I have run out of stuff to do right now, I'm > going to wait for a timer or another process or something to wake me up with > new work". > Some sleeps indicate "ideally this would run on an enormous ramdisk attached > to gigabit ethernet, but hard drives and internet connections are just too > slow so my true CPU-hogness is hidden by the fact I'm running on a PC instead > of a mainframe." > There is are "I have nothing to do right now, and I'm okay with that" sleeps, > and there are "I have requested more work, and it should hurry up and get > here" sleeps. Perhaps more apps should use aio. -- wli