From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750999AbdEERkD (ORCPT ); Fri, 5 May 2017 13:40:03 -0400 Received: from bombadil.infradead.org ([65.50.211.133]:44849 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750796AbdEERkC (ORCPT ); Fri, 5 May 2017 13:40:02 -0400 Date: Fri, 5 May 2017 19:39:49 +0200 From: Peter Zijlstra To: Steven Rostedt Cc: LKML , Thomas Gleixner , Ingo Molnar , Clark Williams , Daniel Bristot de Oliveira , John Kacur , Scott Wood Subject: Re: [PATCH tip/sched/core v2] sched/rt: Simplify the IPI rt balancing logic Message-ID: <20170505173949.yeyjwykbfwhckgi4@hirez.programming.kicks-ass.net> References: <20170424114732.1aac6dc4@gandalf.local.home> <20170504153256.fbmglqe2zjo6ika2@hirez.programming.kicks-ass.net> <20170504132538.157f8ca7@gandalf.local.home> <20170504184200.3gjfciwqulgwpeln@hirez.programming.kicks-ass.net> <20170504150355.0524c8e8@gandalf.local.home> <20170505110529.bq4jflqvog2qmezc@hirez.programming.kicks-ass.net> <20170505080238.42b5bb20@gandalf.local.home> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170505080238.42b5bb20@gandalf.local.home> User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, May 05, 2017 at 08:02:38AM -0400, Steven Rostedt wrote: > Actually what rteval does is basically 3 things. It runs cyclictest, > hackbench in a loop and a kernel build in a loop. Of those, only cyclictest uses RT tasks and would end up poking at the bits you just changed. So just running cyclictest should lock up a ~120 CPU machine?