From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932718AbbBIKHo (ORCPT ); Mon, 9 Feb 2015 05:07:44 -0500 Received: from mail-wi0-f182.google.com ([209.85.212.182]:58867 "EHLO mail-wi0-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932286AbbBIKHn (ORCPT ); Mon, 9 Feb 2015 05:07:43 -0500 Date: Mon, 9 Feb 2015 11:07:38 +0100 From: Ingo Molnar To: Peter Zijlstra Cc: Tom Huynh , benh@kernel.crashing.org, paulus@samba.org, mpe@ellerman.id.au, mingo@redhat.com, acme@kernel.org, Kim.Phillips@freescale.com, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, jolsa@redhat.com Subject: Re: [PATCH 1/3] perf/e6500: Make event translations available in sysfs Message-ID: <20150209100738.GA5461@gmail.com> References: <1423262636-12053-1-git-send-email-tom.huynh@freescale.com> <1423262636-12053-2-git-send-email-tom.huynh@freescale.com> <20150209100242.GM23123@twins.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150209100242.GM23123@twins.programming.kicks-ass.net> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Peter Zijlstra wrote: > On Fri, Feb 06, 2015 at 04:43:54PM -0600, Tom Huynh wrote: > > arch/powerpc/perf/e6500-events-list.h | 289 ++++++++++++++++++++++++++ > > That's a lot of events to stuff in the kernel, would a > userspace list not be more convenient? > > ISTR there being various discussions on providing support > for that in tools/perf, Jiri? As long as it's in a single well organized place in tools/, I'd be fine with that solution as well. What doesn't work very well is disjunct, disorganized, inconsistent event descriptions all across the tooling and platform landscape - putting static tables into sysfs is a marked improvement over that, despite its memory usage. Thanks, Ingo