Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758223AbcC2VDs (ORCPT ); Tue, 29 Mar 2016 17:03:48 -0400 Received: from casper.infradead.org ([85.118.1.10]:59841 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754267AbcC2VDq (ORCPT ); Tue, 29 Mar 2016 17:03:46 -0400 Date: Tue, 29 Mar 2016 23:03:43 +0200 From: Peter Zijlstra To: Daniel Bristot de Oliveira Cc: Steven Rostedt , Ingo Molnar , Thomas Gleixner , Juri Lelli , Arnaldo Carvalho de Melo , LKML , linux-rt-users Subject: Re: [PATCH V2 3/3] sched/deadline: Tracepoints for deadline scheduler Message-ID: <20160329210343.GP3408@twins.programming.kicks-ass.net> References: <14f6caa05f73ceba69eff035ac542cad671552b3.1459182044.git.bristot@redhat.com> <20160329151649.GA12845@twins.programming.kicks-ass.net> <20160329115700.40acb336@gandalf.local.home> <20160329160401.GB3430@twins.programming.kicks-ass.net> <20160329131056.5b01780b@gandalf.local.home> <20160329201145.GC3430@twins.programming.kicks-ass.net> <20160329162907.418cb972@gandalf.local.home> <56FAEC3D.1070300@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <56FAEC3D.1070300@redhat.com> User-Agent: Mutt/1.5.21 (2012-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 348 Lines: 10 > And any change on it, now and in the future, will cause confusion for > 99.999% of raw sched_switch users. Sod that, this attitude makes me want to rip out all sched tracepoints. > Without considering those who wrote bad applications that will break, That's bonus points, right? I'm seriously annoyed with this hard ABI for tracepoints crap.