Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 14 Jan 2002 20:37:55 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 14 Jan 2002 20:37:45 -0500 Received: from tomts15.bellnexxia.net ([209.226.175.3]:1020 "EHLO tomts15-srv.bellnexxia.net") by vger.kernel.org with ESMTP id ; Mon, 14 Jan 2002 20:37:35 -0500 Content-Type: text/plain; charset=US-ASCII From: Ed Tomlinson Organization: me To: Davide Libenzi Subject: Re: [patch] O(1) scheduler-H6/H7 and nice +19 Date: Mon, 14 Jan 2002 20:37:30 -0500 X-Mailer: KMail [version 1.3.2] Cc: mingo@elte.hu, , Dave Jones In-Reply-To: In-Reply-To: MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Message-Id: <20020115013732.384A6BB346@oscar.casa.dyndns.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On January 13, 2002 10:45 pm, Davide Libenzi wrote: > On Sun, 13 Jan 2002, Ed Tomlinson wrote: > > With pre3+H7, kernel compiles still take 40% longer with a setiathome > > process running at nice +19. This is _not_ the case with the old > > scheduler. > > Did you try to set MIN_TIMESLICE to 10 ( sched.h ) ?make bzImage with setiathome running nice +19 This makes things a worst - note the decreased cpu utilizaton... make bzImage 424.33s user 32.21s system 48% cpu 15:48.69 total What is this telling us? Ed Tomlinson >>make bzImage 391.11s user 30.85s system 62% cpu 11:17.37 total >> >>make bzImage alone >> >>make bzImage 397.33s user 32.14s system 92% cpu 7:43.58 total >> >>Notice the large difference in run times... - 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/