From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Ahern Subject: Re: [PATCH 3/6] perf: add ability to record event period Date: Mon, 19 Dec 2011 14:25:45 -0700 Message-ID: <4EEFABD9.9050203@gmail.com> References: <1323266161-394927-1-git-send-email-avagin@openvz.org> <1323266161-394927-4-git-send-email-avagin@openvz.org> <4EEAEF83.3080100@gmail.com> <20111219205829.GB28058@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from mail-yw0-f46.google.com ([209.85.213.46]:44041 "EHLO mail-yw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752684Ab1LSVZv (ORCPT ); Mon, 19 Dec 2011 16:25:51 -0500 In-Reply-To: <20111219205829.GB28058@infradead.org> Sender: linux-perf-users-owner@vger.kernel.org List-ID: To: Arnaldo Carvalho de Melo Cc: Andrew Vagin , Andrew Vagin , linux-kernel@vger.kernel.org, a.p.zijlstra@chello.nl, paulus@samba.org, mingo@elte.hu, asharma@fb.com, devel@openvz.org, linux-perf-users@vger.kernel.org On 12/19/2011 01:58 PM, Arnaldo Carvalho de Melo wrote: > I get that Arun is in agreement, everything seems OK, but we need to do > a better job on describing why we add code, the context we have now from > all these discussions will be mostly lost, say, 5 years from now when we > try to figure out why something was done in some way, It seems like an option is needed for all the sample attributes. Timestamp is now covered (-T). Sample address is covered (-d). Callchain (-g). This targets period (-P). I think that just leaves CPU, and we are out of c/C options. ;-) David