From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753662AbdF0P1e (ORCPT ); Tue, 27 Jun 2017 11:27:34 -0400 Received: from mail.kernel.org ([198.145.29.99]:48558 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753228AbdF0P10 (ORCPT ); Tue, 27 Jun 2017 11:27:26 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CD777214AB Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=acme@kernel.org Date: Tue, 27 Jun 2017 12:27:18 -0300 From: Arnaldo Carvalho de Melo To: Arnaldo Carvalho de Melo Cc: Adrian Hunter , Andi Kleen , linux-kernel@vger.kernel.org Subject: Re: [PATCH V2 00/37] perf intel-pt: Power events and PTWRITE Message-ID: <20170627152718.GD16387@kernel.org> References: <1495786658-18063-1-git-send-email-adrian.hunter@intel.com> <20170612135605.GC3017@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170612135605.GC3017@kernel.org> X-Url: http://acmel.wordpress.com User-Agent: Mutt/1.8.0 (2017-02-23) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Em Mon, Jun 12, 2017 at 10:56:05AM -0300, Arnaldo Carvalho de Melo escreveu: > 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, Applied, will do some testing on a Kaby Lake machine before pushing to Ingo, will leave in my tmp.perf/core branch before that. - Arnaldo