From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: linux-rt-users-owner@vger.kernel.org Received: from mail-wr1-f46.google.com ([209.85.221.46]:36493 "EHLO mail-wr1-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726530AbeHQNbI (ORCPT ); Fri, 17 Aug 2018 09:31:08 -0400 Received: by mail-wr1-f46.google.com with SMTP id m27-v6so425841wrf.3 for ; Fri, 17 Aug 2018 03:28:13 -0700 (PDT) Date: Fri, 17 Aug 2018 12:28:10 +0200 From: Juri Lelli Subject: Re: SCHED_DEADLINE as user Message-ID: <20180817102810.GC27071@localhost.localdomain> References: <0ac9fabc-c316-2a59-c3dd-c7b4e4f93209@bristot.me> <20180817095106.GB27071@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: linux-rt-users-owner@vger.kernel.org List-ID: To: Tim Blechmann Cc: Daniel Bristot de Oliveira , linux-rt-users@vger.kernel.org On 17/08/18 18:08, Tim Blechmann wrote: > hi juri, > > >>> i wonder, what's the preferred way to obtain SCHED_DEADLINE privileges > >>> as non-root user? > >> > >> Hi Tim, > >> > >> It is still not possible to use sched deadline as a non-root user :-(. > > > > Indeed, but Tim, is this hindering you from experimenting/using > > DEADLINE? > > it's a showstopper for using it in audio applications, which are running > as user. > audio applications typically use SCHED_FIFO. however they are > rate-monotonic by design, so i wanted to evaluate how SCHED_DEADLINE > behaves here. Right. Exactly what I started to think about lately as well. > > > Asking because we might want to have a look at how to relax the current > > privileges requirement. > > please :) Anything to try attracting new users. :-P More seriously, could you please describe in a bit more details your specific use case? Based on JACK I guess? Is it the application you are interested into public available somewhere? Thanks, - Juri