Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755776Ab2FNKv1 (ORCPT ); Thu, 14 Jun 2012 06:51:27 -0400 Received: from casper.infradead.org ([85.118.1.10]:50539 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755621Ab2FNKv0 convert rfc822-to-8bit (ORCPT ); Thu, 14 Jun 2012 06:51:26 -0400 Message-ID: <1339671058.2559.27.camel@twins> Subject: Re: [PATCH 02/19] perf: Add ability to attach user level registers dump to sample From: Peter Zijlstra To: Stephane Eranian Cc: Jiri Olsa , acme@redhat.com, mingo@elte.hu, paulus@samba.org, cjashfor@linux.vnet.ibm.com, fweisbec@gmail.com, gorcunov@openvz.org, tzanussi@gmail.com, mhiramat@redhat.com, robert.richter@amd.com, fche@redhat.com, linux-kernel@vger.kernel.org, masami.hiramatsu.pt@hitachi.com, drepper@gmail.com, asharma@fb.com, benjamin.redelings@nescent.org Date: Thu, 14 Jun 2012 12:50:58 +0200 In-Reply-To: References: <1339420814-7379-1-git-send-email-jolsa@redhat.com> <1339420814-7379-3-git-send-email-jolsa@redhat.com> <20120613131240.GB2538@m.brq.redhat.com> <1339594802.8980.44.camel@twins> <1339663013.2559.10.camel@twins> Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT X-Mailer: Evolution 3.2.2- Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 838 Lines: 16 On Thu, 2012-06-14 at 12:45 +0200, Stephane Eranian wrote: > > It would be a tedious endeavour since you'd need to have both output > > paths available for a good while, but it might be worth it in the long > > run depending on how painful the current format becomes. > > True. What we don't know however, it how many other tools are out > there using the kernel API directly. Right.. but if you leave the old stuff in for say 2 years and start emitting a warning on using the old stuff after 1 year.. give or take a few years we should be able to get the old stuff deprecated and removed. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/