Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756607AbcKKOjo (ORCPT ); Fri, 11 Nov 2016 09:39:44 -0500 Received: from merlin.infradead.org ([205.233.59.134]:57278 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756217AbcKKOjn (ORCPT ); Fri, 11 Nov 2016 09:39:43 -0500 Date: Fri, 11 Nov 2016 15:39:35 +0100 From: Peter Zijlstra To: Tommaso Cucinotta Cc: Viresh Kumar , Rafael Wysocki , Ingo Molnar , linaro-kernel@lists.linaro.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, Vincent Guittot , Juri Lelli , Robin Randhawa , Steve Muckle Subject: Re: [PATCH 2/3] cpufreq: schedutil: move slow path from workqueue to SCHED_FIFO task Message-ID: <20161111143935.GK3117@twins.programming.kicks-ass.net> References: <85bf45982709e06f7f42e1b8f8315945e9d9b6d0.1478858983.git.viresh.kumar@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23.1 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 256 Lines: 7 On Fri, Nov 11, 2016 at 03:32:04PM +0100, Tommaso Cucinotta wrote: > >+ struct sched_param param = { .sched_priority = 50 }; > > won't you have a tunable here? (sysctl?) You can use the regular userspace tools, like schedtool and chrt to set priorities.