Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758467AbXKAMDa (ORCPT ); Thu, 1 Nov 2007 08:03:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753549AbXKAMDW (ORCPT ); Thu, 1 Nov 2007 08:03:22 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:52526 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751009AbXKAMDW (ORCPT ); Thu, 1 Nov 2007 08:03:22 -0400 Subject: Re: [PATCH 2/6] sched: make sched_slice() group scheduling savvy From: Peter Zijlstra To: vatsa@linux.vnet.ibm.com Cc: linux-kernel@vger.kernel.org, Ingo Molnar , Mike Galbraith , Dmitry Adamushko In-Reply-To: <1193918299.27652.260.camel@twins> References: <20071031211030.310581000@chello.nl> <20071031211248.796653000@chello.nl> <20071101113138.GA20788@linux.vnet.ibm.com> <1193917912.27652.258.camel@twins> <1193918299.27652.260.camel@twins> Content-Type: text/plain Date: Thu, 01 Nov 2007 13:03:18 +0100 Message-Id: <1193918598.27652.262.camel@twins> Mime-Version: 1.0 X-Mailer: Evolution 2.10.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 692 Lines: 15 On Thu, 2007-11-01 at 12:58 +0100, Peter Zijlstra wrote: > > sched_slice() is about lantecy, its intended purpose is to ensure each > > task is ran exactly once during sched_period() - which is > > sysctl_sched_latency when nr_running <= sysctl_sched_nr_latency, and > > otherwise linearly scales latency. The thing that got my brain in a twist is what to do about the non-leaf nodes, for those it seems I'm not doing the right thing - I think. - 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/