From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752399AbbFZNuN (ORCPT ); Fri, 26 Jun 2015 09:50:13 -0400 Received: from mga11.intel.com ([192.55.52.93]:7892 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751902AbbFZNuH (ORCPT ); Fri, 26 Jun 2015 09:50:07 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.13,685,1427785200"; d="scan'208";a="514668234" Message-ID: <558D57FB.6090704@intel.com> Date: Fri, 26 Jun 2015 16:47:39 +0300 From: Adrian Hunter Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 MIME-Version: 1.0 To: Arnaldo Carvalho de Melo CC: Ingo Molnar , linux-kernel@vger.kernel.org, Jiri Olsa , Stephane Eranian Subject: Re: [PATCH V6 08/17] perf tools: Add Intel PT support References: <20150622182444.GI13937@kernel.org> <55886F7A.30702@intel.com> <20150622230005.GA8510@kernel.org> <5588FCCE.8090403@intel.com> <20150623151553.GD3489@kernel.org> <558C03FD.4020600@intel.com> <20150625134557.GB3253@kernel.org> <20150625235634.GA6633@kernel.org> <20150626000958.GB6633@kernel.org> <558CF5B4.70901@intel.com> <20150626134156.GA3265@kernel.org> In-Reply-To: <20150626134156.GA3265@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 26/06/15 16:41, Arnaldo Carvalho de Melo wrote: >> Another thing, the intel_bts implementation does not support >> "instructions" samples because there is no timing information to >> use to create periodic samples. But callchains are added only >> to "instructions" samples so there are no callchains in 'perf report' >> for intel_bts. The call information is still available for > > Humm, so IOW, what you say is that we should refuse to run 'record' when > asking for callchains and intel_bts? 'record' can record other events at the same time which can have callchains. e.g. perf record -g --per-thread -e intel_bts//u,branch-misses:u ls