From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932402AbcEFMXp (ORCPT ); Fri, 6 May 2016 08:23:45 -0400 Received: from mail.kernel.org ([198.145.29.136]:42390 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932171AbcEFMXo (ORCPT ); Fri, 6 May 2016 08:23:44 -0400 Date: Fri, 6 May 2016 09:23:39 -0300 From: Arnaldo Carvalho de Melo To: Adrian Hunter Cc: Chris Phlipot , jolsa@kernel.org, peterz@infradead.org, mingo@redhat.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH 4/6] perf script: add call path id to exported sample in db export Message-ID: <20160506122339.GZ11069@kernel.org> References: <1461831551-12213-1-git-send-email-cphlipot0@gmail.com> <1461831551-12213-5-git-send-email-cphlipot0@gmail.com> <572C7FC5.3010806@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <572C7FC5.3010806@intel.com> X-Url: http://acmel.wordpress.com User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Em Fri, May 06, 2016 at 02:28:05PM +0300, Adrian Hunter escreveu: > On 28/04/16 11:19, Chris Phlipot wrote: > > The exported sample now contains a reference to the call_path_id that > > represents its callchain. > > > > While callchains themselves are nice to have, being able to associate > > them with samples makes them much more useful, and can allow for such > > things as determining how much cumulative time is spent in a particular > > function. This information is normally possible to get from the > > call return processor. However, when doing normal sampling, call/return > > information is not available, thus necessitating the need for associating > > samples directly with call paths. > > > > This commit include changes to db-export layer to make this information > > available for subsequent patches in this change set, but by itself, does > > not make any changes visible to the user. > > > > Signed-off-by: Chris Phlipot > > Acked-by: Adrian Hunter Thanks, applied. - Arnaldo