Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756011AbZFPOte (ORCPT ); Tue, 16 Jun 2009 10:49:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752750AbZFPOt1 (ORCPT ); Tue, 16 Jun 2009 10:49:27 -0400 Received: from earthlight.etchedpixels.co.uk ([81.2.110.250]:34291 "EHLO www.etchedpixels.co.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751533AbZFPOt1 (ORCPT ); Tue, 16 Jun 2009 10:49:27 -0400 Date: Tue, 16 Jun 2009 15:50:34 +0100 From: Alan Cox To: Robert Bradbury Cc: LKML Subject: Re: Scheduler fails to allow for "niceness" with new/fast processes Message-ID: <20090616155034.0bb7decd@lxorguk.ukuu.org.uk> In-Reply-To: References: X-Mailer: Claws Mail 3.7.0 (GTK+ 2.14.7; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 462 Lines: 9 There are lots of patterns of activity where the bottleneck will be I/O rather than CPU, and nice is basically about CPU priority. Package building does tend to do a lot of disk writing so its not entirely unexpected -- 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/