From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755099Ab2CUPOD (ORCPT ); Wed, 21 Mar 2012 11:14:03 -0400 Received: from mx1.redhat.com ([209.132.183.28]:45317 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751928Ab2CUPOA (ORCPT ); Wed, 21 Mar 2012 11:14:00 -0400 Date: Wed, 21 Mar 2012 12:13:32 -0300 From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: Peter Zijlstra , Jiri Olsa , mingo@elte.hu, paulus@samba.org, cjashfor@linux.vnet.ibm.com, fweisbec@gmail.com, linux-kernel@vger.kernel.org, Thomas Gleixner Subject: Re: [PATCH 3/3] perf, tool: Add new event group management Message-ID: <20120321151332.GD21163@infradead.org> References: <1332267341-26338-1-git-send-email-jolsa@redhat.com> <1332267341-26338-4-git-send-email-jolsa@redhat.com> <1332269081.18960.444.camel@twins> <20120320204625.GA17142@gmail.com> <1332321311.18960.474.camel@twins> <20120321095211.GA11122@gmail.com> <1332330852.18960.482.camel@twins> <20120321121510.GA4386@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20120321121510.GA4386@gmail.com> X-Url: http://acmel.wordpress.com User-Agent: Mutt/1.5.20 (2009-12-10) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Em Wed, Mar 21, 2012 at 01:15:10PM +0100, Ingo Molnar escreveu: > * Peter Zijlstra wrote: > > I would much prefer a syntax that's more natural but requires > > quoting than one that's quirky and tailor made to avoid > > whatever current bash does. For one, there's other shells out > > there that might have different quoting needs and bash is of > > course free to extend its syntax. > > Well, they are unlikely to extend to '+', it would break a > boatload of scripts I suspect. > > So the question would be, is a+b+c as event grouping a natural > syntax? If not then lets use a quoted one that is. -e groupname=event1,event2,event3 Seems intuitive, no? - Arnaldo