From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754973Ab1HCLhw (ORCPT ); Wed, 3 Aug 2011 07:37:52 -0400 Received: from mail-qw0-f46.google.com ([209.85.216.46]:58745 "EHLO mail-qw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754938Ab1HCLhn (ORCPT ); Wed, 3 Aug 2011 07:37:43 -0400 Date: Wed, 3 Aug 2011 13:37:11 +0200 From: Frederic Weisbecker To: Peter Zijlstra Cc: mingo@redhat.com, hpa@zytor.com, eranian@google.com, linux-kernel@vger.kernel.org, acme@redhat.com, robert.richter@amd.com, tglx@linutronix.de, cjashfor@linux.vnet.ibm.com, mingo@elte.hu, linux-tip-commits@vger.kernel.org Subject: Re: [tip:perf/urgent] perf sched: Fix list of events, dropping unsupported ':r' modifier Message-ID: <20110803113706.GA5768@somewhere.redhat.com> References: <1312369161.1147.292.camel@twins> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1312369161.1147.292.camel@twins> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Aug 03, 2011 at 12:59:21PM +0200, Peter Zijlstra wrote: > On Fri, 2011-01-14 at 07:25 +0000, tip-bot for Stephane Eranian wrote: > > Looks to me like the :r modifier is not supported anymore, so remove it from > > the list of events. > > acme, why is that anyway? -R is a fun way to save some typing, but not > supporting :r anymore takes away the option of not getting > PERF_SAMPLE_RAW output for every event. Because it was very non obvious for people to select this -R or :r every time they wanted to use trace events for tracing. I think there was complaints about that. Moreover nobody seemed to use trace events for non-tracing (perf report, top, annotate, ...) so we decided to always have RAW records so that it works for every cases...unless we lose events because of that. We can still bring an option to force disabling of raw records.