From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757623AbcJQSNS (ORCPT ); Mon, 17 Oct 2016 14:13:18 -0400 Received: from mga11.intel.com ([192.55.52.93]:8840 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755090AbcJQSNK (ORCPT ); Mon, 17 Oct 2016 14:13:10 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.31,358,1473145200"; d="scan'208";a="890878596" Date: Mon, 17 Oct 2016 11:12:51 -0700 From: Andi Kleen To: Jiri Olsa Cc: Andi Kleen , acme@kernel.org, jolsa@kernel.org, sukadev@linux.vnet.ibm.com, eranian@google.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH 07/10] perf, tools: Collapse identically named events in perf stat Message-ID: <20161017181251.GP3078@tassilo.jf.intel.com> References: <1476393332-20732-1-git-send-email-andi@firstfloor.org> <1476393332-20732-8-git-send-email-andi@firstfloor.org> <20161017112653.GB24552@krava> <20161017163017.GN26852@two.firstfloor.org> <20161017172836.GB21680@krava> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20161017172836.GB21680@krava> User-Agent: Mutt/1.6.1 (2016-04-27) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Oct 17, 2016 at 07:28:36PM +0200, Jiri Olsa wrote: > On Mon, Oct 17, 2016 at 09:30:17AM -0700, Andi Kleen wrote: > > > this leads to my next question: why this merging should be default? > > > > It's the right default for uncore, and it doesn't do anything for > > non uncore because these usually don't have duplicated event aliases > > over different PMUs. > > I don't like the part when we depends on 'usually' I'm not aware of any counter example in today's perf. -Andi