From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2A1AAC43460 for ; Wed, 28 Apr 2021 08:48:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E6C4061008 for ; Wed, 28 Apr 2021 08:48:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237552AbhD1ItX (ORCPT ); Wed, 28 Apr 2021 04:49:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42492 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237934AbhD1ItW (ORCPT ); Wed, 28 Apr 2021 04:49:22 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7AFFAC06138B; Wed, 28 Apr 2021 01:48:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=HH9Gce1uOwCDDNzzHrLHk28gGwN7n6kj6W6fnuW2Cc4=; b=GaPgxHqJZPoKkBJrPX4zFODEo+ DWqFeO94cTEfwvsJM6YjXWCG8bsMSrYvCi/HaP6Ms8VGomeZ6cyc11ECmNXCak/NjhF85LzMAMCRe sWZP8Lu2+cWLDzbTNG9PIFCWf2ZpM+WTutk6bryAJc1MxnIufnkdJyWO289l/D7P1MT+r/P0O10QX PGjsGdtN+rzApeZOQjv/a6YNnfwGCBvr3NvlPQE1tN5TbdUR+mvBH8FSgAoRpbqVaAk0RKClHAx7a CD6aYMm+tqb+tYRHJXac4AAyDWd2j2nxaLczlwmZaBWia+UwwX9nmdBNsoubzbHP0iwpItDLyQOiV +a5oNLkA==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.94 #2 (Red Hat Linux)) id 1lbfrB-0083ig-LM; Wed, 28 Apr 2021 08:47:47 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 5B28830003A; Wed, 28 Apr 2021 10:47:41 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 4B3B22BF7B843; Wed, 28 Apr 2021 10:47:41 +0200 (CEST) Date: Wed, 28 Apr 2021 10:47:41 +0200 From: Peter Zijlstra To: Steven Rostedt Cc: Christian Borntraeger , bristot@redhat.com, bsegall@google.com, dietmar.eggemann@arm.com, greg@kroah.com, gregkh@linuxfoundation.org, joshdon@google.com, juri.lelli@redhat.com, linux-kernel@vger.kernel.org, linux@rasmusvillemoes.dk, mgorman@suse.de, mingo@kernel.org, valentin.schneider@arm.com, vincent.guittot@linaro.org, linux-s390@vger.kernel.org, kvm@vger.kernel.org Subject: Re: sched: Move SCHED_DEBUG sysctl to debugfs Message-ID: References: <20210412102001.287610138@infradead.org> <20210427145925.5246-1-borntraeger@de.ibm.com> <20210427110926.24f41fbb@gandalf.local.home> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210427110926.24f41fbb@gandalf.local.home> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Apr 27, 2021 at 11:09:26AM -0400, Steven Rostedt wrote: > Or perhaps we should add a "tunefs" for tunables that are stable interfaces > that should not be in /proc but also not in debugfs. As said in that other email, I very emphatically do not want to do that. I want to actively discourage people from 'tuning' and start to debug.