Received: by 2002:a05:6902:102b:0:0:0:0 with SMTP id x11csp1609559ybt; Thu, 9 Jul 2020 10:56:16 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxJLqpX1CwRUbLAR1QA0QEUDwRcqT1o8aqy9C7sXCBc75J1qDnd1x9leyxAOuzRDY5MLEDf X-Received: by 2002:a17:906:4f09:: with SMTP id t9mr56656338eju.110.1594317376228; Thu, 09 Jul 2020 10:56:16 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1594317376; cv=none; d=google.com; s=arc-20160816; b=zenWQFVrwSyiFz7CC+zwivdBfIb1No3izf+p2wJIELlqBEoEyWC2M6AfsmPfFYBx9o UhhDbS27bCZf5tKswzng/v+T6sAYGiIbOSCir65w2FXQAzx7LYvqbLRZ9fZnxagyGZAV srt1GCQMZad1JR4yK+GhpIO8GelF4TE1xlpTHojPunKbi8SvtIKe/IJbAo330lnbzJD7 TFQT7voPvCZdTzxO6ECuLGV3QYLgmP0pCS9fmgr4CM/CH+OLaeixhjnnLmUC2Ct3VtCP v+/3Ffpm+BXNTwy8AHoM0gSAFfsTHUs/RK4USfpwHXJ5QzFC5UCf3mTWY6+/pvB63Cx4 XKTg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date :ironport-sdr:ironport-sdr; bh=RYT+ob5qtAt6wrHnQtLwkGNIW+5nQJt+6V+vX9Ys7tY=; b=EEAWTbsQfjxCODNM9owcc484nOj6E4nbdFLRVPUXPeg7hyYup+N4jB0D70WqtleUwH MvzD9Dq3UdQ5IZhfsQfIpAd7F/uQ34av0jCVfuXPVDnMau7XZZZwb6276Q0QvkFkX47W hRbDf1Y+TZEVvci7Zxn3XO8wHBb8kvhpwU8WhkJE0ZRLzBQqb17u/QGW15GJFkcaToBb Tq/k4B3wOkj/7XdlzhwN3Yl0yM8rpKRvAa6j0vw2BRgBHVe/ga5TqnXHmzYF5T1z5h4p EsUXkjPNV7q+E7Sf1nZsLtuuEw6qbd7xfvE71tXi967GHnZd3DwiSe2MacCitphq1apt sJsQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id x14si2158499ejb.713.2020.07.09.10.55.52; Thu, 09 Jul 2020 10:56:16 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726837AbgGIRzH (ORCPT + 99 others); Thu, 9 Jul 2020 13:55:07 -0400 Received: from mga02.intel.com ([134.134.136.20]:4379 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726615AbgGIRzH (ORCPT ); Thu, 9 Jul 2020 13:55:07 -0400 IronPort-SDR: c5PpCyyLozX85SPI9Le2JtdYHlzxLLjO4Kqc/x3HUeoH/dgiRa0xFaEqjU5C9ekYRBETUEttNW vhQSnaipHnQw== X-IronPort-AV: E=McAfee;i="6000,8403,9677"; a="136281326" X-IronPort-AV: E=Sophos;i="5.75,332,1589266800"; d="scan'208";a="136281326" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Jul 2020 10:55:06 -0700 IronPort-SDR: TSX+R5NfD0uP8yiNp7U2VYqamMQ1OUp+j1OeoxRI0tTHwiWWnVsZR6kzUrM4zf86/E40BadnZa vPhXbnkR6YRg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,332,1589266800"; d="scan'208";a="323303320" Received: from tassilo.jf.intel.com (HELO tassilo.localdomain) ([10.7.201.21]) by FMSMGA003.fm.intel.com with ESMTP; 09 Jul 2020 10:55:06 -0700 Received: by tassilo.localdomain (Postfix, from userid 1000) id 47142301B2A; Thu, 9 Jul 2020 10:55:06 -0700 (PDT) Date: Thu, 9 Jul 2020 10:55:06 -0700 From: Andi Kleen To: Adrian Hunter Cc: Arnaldo Carvalho de Melo , Jiri Olsa , linux-kernel@vger.kernel.org Subject: Re: [PATCH 10/11] perf intel-pt: Add support for decoding FUP/TIP only Message-ID: <20200709175506.GD1126680@tassilo.jf.intel.com> References: <20200709173628.5613-1-adrian.hunter@intel.com> <20200709173628.5613-11-adrian.hunter@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200709173628.5613-11-adrian.hunter@intel.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 09, 2020 at 08:36:27PM +0300, Adrian Hunter wrote: > +The q option does not decode TNT packets, and does not walk object code, but > +gets the ip from FUP and TIP packets. The q option can be used with the b and i > +options but the period is not used. The q option decodes more quickly, but is > +useful only if the control flow of interest is represented or indicated by FUP, > +TIP, TIP.PGE, or TIP.PGD packets. However the q option could be used to find > +time ranges that could then be decoded fully using the --time option. Ah ok the documentation is here. Ignore previous suggestion. Can you describe the effect in a high level without referring to packet names? The user may not be familar with them. So two qs will be PSB only decoding I hope? -Andi