From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wg0-x235.google.com (mail-wg0-x235.google.com [IPv6:2a00:1450:400c:c00::235]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id C1AB51A0415 for ; Mon, 9 Feb 2015 21:07:45 +1100 (AEDT) Received: by mail-wg0-f53.google.com with SMTP id x13so5726693wgg.12 for ; Mon, 09 Feb 2015 02:07:42 -0800 (PST) Sender: Ingo Molnar Date: Mon, 9 Feb 2015 11:07:38 +0100 From: Ingo Molnar To: Peter Zijlstra 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 In-Reply-To: <20150209100242.GM23123@twins.programming.kicks-ass.net> Cc: Tom Huynh , jolsa@redhat.com, linux-kernel@vger.kernel.org, acme@kernel.org, mingo@redhat.com, paulus@samba.org, linuxppc-dev@lists.ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , * 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