From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935156AbdCVOWc (ORCPT ); Wed, 22 Mar 2017 10:22:32 -0400 Received: from bombadil.infradead.org ([65.50.211.133]:47502 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759745AbdCVOVX (ORCPT ); Wed, 22 Mar 2017 10:21:23 -0400 Date: Wed, 22 Mar 2017 15:21:16 +0100 From: Peter Zijlstra To: "Rafael J. Wysocki" Cc: "Rafael J. Wysocki" , Linux PM , LKML , Viresh Kumar , Patrick Bellasi , Vincent Guittot Subject: Re: [PATCH] cpufreq: schedutil: Always trace frequency if it does not change Message-ID: <20170322142116.qpe2faqwbmlmhft7@hirez.programming.kicks-ass.net> References: <10655562.4O9KtquB0A@aspire.rjw.lan> <20170322092951.GX5680@worktop> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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 Wed, Mar 22, 2017 at 01:52:04PM +0100, Rafael J. Wysocki wrote: > On Wed, Mar 22, 2017 at 10:29 AM, Peter Zijlstra wrote: > > So why not fix the tools? > > Because I can't. > > I just can't go and fix all of the tools binaries that people use out > there and I want them to use recent kernels at the same time. > Thing is; you're now letting random tracepoint user dictate kernel implementation. That's a bad state to be in. (and why I hate tracepoint to begin with)