From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754856Ab1HaO1c (ORCPT ); Wed, 31 Aug 2011 10:27:32 -0400 Received: from casper.infradead.org ([85.118.1.10]:57886 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754762Ab1HaO1a convert rfc822-to-8bit (ORCPT ); Wed, 31 Aug 2011 10:27:30 -0400 Subject: Re: [RFC PATCH 00/32] Nohz cpusets (was: Nohz Tasks) From: Peter Zijlstra To: Gilad Ben-Yossef Cc: Mike Galbraith , Frederic Weisbecker , LKML , Andrew Morton , Anton Blanchard , Avi Kivity , Ingo Molnar , Lai Jiangshan , "Paul E . McKenney" , Paul Menage , Stephen Hemminger , Thomas Gleixner , Tim Pepper Date: Wed, 31 Aug 2011 16:26:23 +0200 In-Reply-To: References: <1313423549-27093-1-git-send-email-fweisbec@gmail.com> <20110830140648.GL9748@somewhere.redhat.com> <1314762442.4653.5.camel@marge.simson.net> <1314782887.23993.12.camel@twins> <1314786377.4653.19.camel@marge.simson.net> <1314786830.23993.22.camel@twins> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT X-Mailer: Evolution 3.0.2- Message-ID: <1314800784.3578.28.camel@twins> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2011-08-31 at 17:00 +0300, Gilad Ben-Yossef wrote: > >> > cpusets? Afaict all it does is not include a number of cpus in the sched > > I think you meant to write cpuisol here :-) Uhh, yeah ;-) > >> > domains, creating a bunch of independent scheduling cpus. You can use > >> > cpusets to get to the same state. > > >> > >> Guess I'll have to try creating a cpuset per cpu, and see how it > >> compares to isolcpus. cset shield --cpu 4-63 didn't work well enough. > > > > You need to play with the sched_load_balance file, no idea what this > > cset utility is though, never encountered it before. > > > > It's just a python wrapper around the /cgroup file system. ok, just never encountered it.