From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DFD5EC31E46 for ; Wed, 12 Jun 2019 13:29:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B5BA020866 for ; Wed, 12 Jun 2019 13:29:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="o2tcCOnL" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732411AbfFLN3G (ORCPT ); Wed, 12 Jun 2019 09:29:06 -0400 Received: from mail-qt1-f194.google.com ([209.85.160.194]:44553 "EHLO mail-qt1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727416AbfFLN3G (ORCPT ); Wed, 12 Jun 2019 09:29:06 -0400 Received: by mail-qt1-f194.google.com with SMTP id x47so18451114qtk.11 for ; Wed, 12 Jun 2019 06:29:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:date:to:cc:subject:message-id:references:mime-version :content-disposition:content-transfer-encoding:in-reply-to :user-agent; bh=hRmk80uWUR7VrRgMq1qmYqdYni4E52YtJ0uOYQzQzsI=; b=o2tcCOnLfRipKMfsLNEjsMiaT8dVezFSqGbDqOcbTJGhy4irVj/rrKeJvAfTt2QUXy pPC5NCVFXfyz5uX8nel9gRSGPLhVc9TzsQSRpuGO+GWRoftEl/4Pj0+qOUNaemLuztNd LFcctTqAzbBO/WRBOwXD0acnOXPDHWVgHytnc5ibe7zcN8EdnioCVd4mcxtO72adrPkI 7IGfT1X4hiF+ffLvT/uDoI4FHipVZu3Tgwbr1C/h4yBP4y9ZeBDxXKL+Bc5anMvKJ3/7 IvuSqIy++VMLkuSZOf6yZhnrfSEwxUSMBTPVszBbkRkcRZbK3OSH/cUBRWjUs1mrUtFQ VmNQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:date:to:cc:subject:message-id:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to:user-agent; bh=hRmk80uWUR7VrRgMq1qmYqdYni4E52YtJ0uOYQzQzsI=; b=V/lIxfJNokdOjwMZXvRISexqY7U7vBE7AjeYe331Ld9+hztoa/LM9DY+Rq1QZX5Je1 Unmk1Ehb08t+l3SgRI+8GcBcondBU3+8cSNJWAPv1NeOCYPKAKaNKxlgcVMg/+lJJS/W 9GoKTOHLII9kkzibZe5//Yy+riyiYEBSkU8Gt0kQriTj5ai7aZ9S8aNyMRPkc6ZRVeFA 8Njz8/6wsHei2vl9f2oUYjy2xuo4eckRjQvx9rI4QoxuULirkDnqzvyFQeuKrEJLeAhl GvTJ2RTDeCnVxDq1e2XXC1DEqexuWL3LzwWpnXwilsd/9qGJn/GvUa/VnW6MCz0nPFYG DUPg== X-Gm-Message-State: APjAAAVSmFFtDvnIcqqMEawKSFF84UFMt4iRq2ADWORm5yuKJOJY0sSv gAvSqPO4CpBOxlMcWr3KyfM= X-Google-Smtp-Source: APXvYqyfS1aNYPX0MnuBwFACy4NpEHqjjsfH5U+NmftvCWlWW7ylQZXXidVeCAAc6XljGb9GnYF2BQ== X-Received: by 2002:aed:3b33:: with SMTP id p48mr63710269qte.143.1560346145378; Wed, 12 Jun 2019 06:29:05 -0700 (PDT) Received: from quaco.ghostprotocols.net ([179.97.35.11]) by smtp.gmail.com with ESMTPSA id x40sm4864089qta.20.2019.06.12.06.29.03 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Wed, 12 Jun 2019 06:29:04 -0700 (PDT) From: Arnaldo Carvalho de Melo X-Google-Original-From: Arnaldo Carvalho de Melo Received: by quaco.ghostprotocols.net (Postfix, from userid 1000) id 8FA2241149; Wed, 12 Jun 2019 10:28:52 -0300 (-03) Date: Wed, 12 Jun 2019 10:28:52 -0300 To: Adrian Hunter Cc: Arnaldo Carvalho de Melo , Jiri Olsa , linux-kernel@vger.kernel.org, Peter Zijlstra , Alexander Shishkin Subject: Re: [PATCH 01/11] perf intel-pt: Add new packets for PEBS via PT Message-ID: <20190612132852.GB4836@kernel.org> References: <20190610072803.10456-1-adrian.hunter@intel.com> <20190610072803.10456-2-adrian.hunter@intel.com> <20190612000945.GE28689@kernel.org> <20190612124140.GA4836@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Url: http://acmel.wordpress.com User-Agent: Mutt/1.11.3 (2019-02-01) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Em Wed, Jun 12, 2019 at 03:52:11PM +0300, Adrian Hunter escreveu: > On 12/06/19 3:41 PM, Arnaldo Carvalho de Melo wrote: > > Em Wed, Jun 12, 2019 at 08:58:00AM +0300, Adrian Hunter escreveu: > >> On 12/06/19 3:09 AM, Arnaldo Carvalho de Melo wrote: > >>> Em Mon, Jun 10, 2019 at 10:27:53AM +0300, Adrian Hunter escreveu: > >>>> Add 3 new packets to supports PEBS via PT, namely Block Begin Packet (BBP), > >>>> Block Item Packet (BIP) and Block End Packet (BEP). PEBS data is encoded > >>>> into multiple BIP packets that come between BBP and BEP. The BEP packet > >>>> might be associated with a FUP packet. That is indicated by using a > >>>> separate packet type (INTEL_PT_BEP_IP) similar to other packets types with > >>>> the _IP suffix. > >>>> > >>>> Refer to the Intel SDM for more information about PEBS via PT. > >>> > >>> In these cases would be nice to provide an URL and page number, for > >>> convenience. > >> > >> Intel SDM: > >> > >> https://software.intel.com/en-us/articles/intel-sdm > >> > >> May 2019 version: Vol. 3B 18.5.5.2 PEBS output to Intel® Processor Trace > > > > Thanks! I'll add to that cset. > > > > What about the kernel bits? > > Awaiting V2, here is a link to the patches: > > https://lore.kernel.org/lkml/20190502105022.15534-1-alexander.shishkin@linux.intel.com/ yeah, I saw those and PeterZ's comments, that is why I asked about them :-) > There is also still a few more tools changes dependent upon the kernel patches. But I think I can go ahead and push the decoder bits, when the kernel patches get merged we'll be almost ready to make full use of what it provides, right? - Arnaldo