From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752844AbdFUK07 (ORCPT ); Wed, 21 Jun 2017 06:26:59 -0400 Received: from mga14.intel.com ([192.55.52.115]:64279 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752362AbdFUK06 (ORCPT ); Wed, 21 Jun 2017 06:26:58 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.39,368,1493708400"; d="scan'208";a="1185201376" Subject: Re: [PATCH V2 00/37] perf intel-pt: Power events and PTWRITE To: Arnaldo Carvalho de Melo Cc: Andi Kleen , linux-kernel@vger.kernel.org References: <1495786658-18063-1-git-send-email-adrian.hunter@intel.com> <20170612135605.GC3017@kernel.org> From: Adrian Hunter Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Message-ID: Date: Wed, 21 Jun 2017 13:20:52 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.1.1 MIME-Version: 1.0 In-Reply-To: <20170612135605.GC3017@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/06/17 16:56, Arnaldo Carvalho de Melo wrote: > Em Mon, Jun 12, 2017 at 04:04:44PM +0300, Adrian Hunter escreveu: >> On 26/05/17 11:17, Adrian Hunter wrote: >>> Hi >>> >>> Here are some patches to support Intel PT Power events and PTWRITE. >>> Power events report changes to C-state but I have also added support >>> for the existing CBR (core-to-bus ratio) packet and included that >>> when outputting power events. The PTWRITE packet is associated with >>> the new ptwrite instruction, which is essentially just a way to stuff >>> a 32 or 64 bit value into the PT trace. More details can be found in >>> the patches that add documentation and in the Intel SDM. >>> >>> As far as I know, there isn't any hardware released that supports >>> the new packets, however the CBR packet is not new and will now be >>> visible by default. >>> >>> There are also some miscellaneous improvements to Intel PT. >>> >>> There are 3 patches that introduce a new way to define synthesized >>> events that carry arbitrary raw_data. I sent an RFC about that earlier. >>> The 3 patches are: >>> perf script: Add 'synth' event type for synthesized events >>> perf script: Add 'synth' field for synthesized event payloads >>> perf script: Add synthesized Intel PT power and ptwrite events >>> >>> >>> Changes in V2: >>> >>> Reorder patches and add stable tags to fixes. >>> >> >> Apart from "perf script: Add 'synth' event type for synthesized events" >> patches still apply. Any comments? > > I'll look at it today, I have sent V3 of two patches that did not now apply cleanly.