Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 4 Feb 2002 05:34:27 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 4 Feb 2002 05:34:17 -0500 Received: from mx2.elte.hu ([157.181.151.9]:35782 "HELO mx2.elte.hu") by vger.kernel.org with SMTP id ; Mon, 4 Feb 2002 05:34:07 -0500 Date: Mon, 4 Feb 2002 13:30:00 +0100 (CET) From: Ingo Molnar Reply-To: To: Ed Tomlinson Cc: linux-kernel Subject: Re: [PATCH] improving O(1)-J9 in heavily threaded situations In-Reply-To: <20020204044055.EF0579251@oscar.casa.dyndns.org> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 3 Feb 2002, Ed Tomlinson wrote: > Maybe we can control this with nice. Is the the best or only way to > do it? I am not at all sure it is. After all nice is just another > knob. The fewer knobs we have to tweak the easier linux is to use. > [...] On the other hand if we can figure a way to add a simple and > understandable knob that let it perform better under load do not think > its a bad thing either. comparing these two paragraphs you'll see what kind of paradox we face. I'm trying to keep the number of external knobs down, and i'm trying to revive nice levels as a thing that makes some real difference, while still handling all the important cases automatically, wherever we can. Ingo - 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/