From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linutronix.de (146.0.238.70:993) by crypto-ml.lab.linutronix.de with IMAP4-SSL for ; 08 Feb 2019 08:45:21 -0000 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by Galois.linutronix.de with esmtps (TLS1.2:RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1gs1mi-0004k5-Bl for speck@linutronix.de; Fri, 08 Feb 2019 09:45:20 +0100 Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=hirez.programming.kicks-ass.net) by bombadil.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1gs1mg-00076O-Km for speck@linutronix.de; Fri, 08 Feb 2019 08:45:18 +0000 Date: Fri, 8 Feb 2019 09:45:16 +0100 From: Peter Zijlstra Subject: [MODERATED] Re: [PATCH v3 1/6] PERFv3 Message-ID: <20190208084516.GI32477@hirez.programming.kicks-ass.net> References: <3c5756531a45ca9791a9c4bca295e92e063957ac.1549582769.git.ak@linux.intel.com> MIME-Version: 1.0 In-Reply-To: <3c5756531a45ca9791a9c4bca295e92e063957ac.1549582769.git.ak@linux.intel.com> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit To: speck@linutronix.de List-ID: On Thu, Feb 07, 2019 at 03:41:03PM -0800, speck for Andi Kleen wrote: > From: Andi Kleen > Subject: x86/pmu/intel: Export number of counters in caps > > Export the number of generic and fixed counters in the core PMU in caps/ > This helps users and tools with constructing groups. Will be also more > important with upcoming patches that can change the number of counters. I'm still not convinced we need this. It certainly isn't needed for this TFA crap.