Received: by 2002:a05:6a10:a841:0:0:0:0 with SMTP id d1csp1773895pxy; Thu, 29 Apr 2021 14:24:05 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzM9Nktq917fAktaXuOQu6JPD1EGr66QoK41Li+CSlOHpPzNT34Qt6inurGL7VTnm/vHukA X-Received: by 2002:a17:907:9612:: with SMTP id gb18mr559495ejc.408.1619731445585; Thu, 29 Apr 2021 14:24:05 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1619731445; cv=none; d=google.com; s=arc-20160816; b=GpEEdMPYNUyIiUG8oqHbNQ+AEPsiURZg5nz56mPM/1+anv/9ra8nHOtbQY6eMJQnmq eZs1WO+emiATynBHP4uv5l0/9fSaoYM+ngfgmDHdwwhvP+eli/sZMDAQA7h7IozeUARU Hmg2/i9kmcJH02zzH93RSVEvhOb8VaIEK3tMYqQzEVfRcrn09xFJRdPrukIR5JtT/UB/ dbD+AYFwEwsRuIzGPq7uJzcsP7TOeNfCaC7biDNml13KVmJIxa47k/EDLYvybipcMpvO nB3ajN65xI8xdyeFgyDDKwYeM5Box0yzNx648T8n3A55J8iWaxoC15OWlklbeYdzPTg6 wS0A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:ironport-sdr :ironport-sdr; bh=Pn9pR1E+oYpDTULAhiUKRzQFhg1ctJdMNQ8a3+0o/e8=; b=ahmSt4lsjHwY4/17eb+DEss38DVvC9YFVcXxrRSRQmYq0GbcKUpYbp20vqkEcXisSr fuE5o06iyyD+AkxImxWr3//LMgFD7eHGNW4yStLPaCi9AbTxLuKuykXVAJnx/i36cS3n 4OvyTsE5ViKXfhvEbEP/djuQt7dIqK+3aUIw+PrQ28LWLrdXpEcRxnwG6GcF+67j9m1F HupaGjDxi3qdJSCKmBNjV1AO+DZ8VuqbTbzvQSoWJCCTVzqPT+EwLEer9TSKU2931k99 +DgYOoBYv/DBhlzz0z7yHqx4Jq64WqfvlBk2BMaDtd4SixkolVClt12AvJufxicsko3f VuUg== 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 kw6si1029940ejc.380.2021.04.29.14.23.41; Thu, 29 Apr 2021 14:24:05 -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 S235872AbhD2VW3 (ORCPT + 99 others); Thu, 29 Apr 2021 17:22:29 -0400 Received: from mga17.intel.com ([192.55.52.151]:30823 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234795AbhD2VW2 (ORCPT ); Thu, 29 Apr 2021 17:22:28 -0400 IronPort-SDR: 6yLbeJ9PqLM/81TaiHfznGJ49l9i/q2LEqV3wb1FSEXQgVoLgGNlBhjf68ff8QY8LwknqNIvt/ gZMhxMQpQtxQ== X-IronPort-AV: E=McAfee;i="6200,9189,9969"; a="177257019" X-IronPort-AV: E=Sophos;i="5.82,260,1613462400"; d="scan'208";a="177257019" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Apr 2021 14:21:41 -0700 IronPort-SDR: cQqnHvVZFpTXdDQYf2MPWQn1oXfX6CP+/5Zz+xHh0hS3KRlvf+dI0Ps7INhCh3SDsSpZO+nT+L LrJ+JgUTm2lQ== X-IronPort-AV: E=Sophos;i="5.82,260,1613462400"; d="scan'208";a="466506429" Received: from tassilo.jf.intel.com ([10.54.74.11]) by orsmga001-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Apr 2021 14:21:41 -0700 Date: Thu, 29 Apr 2021 14:21:40 -0700 From: Andi Kleen To: Adrian Hunter Cc: Arnaldo Carvalho de Melo , Jiri Olsa , linux-kernel@vger.kernel.org Subject: Re: [PATCH 11/12] perf intel-pt: Add VM Time Correlation to decoder Message-ID: <20210429212140.GE4032392@tassilo.jf.intel.com> References: <20210429125854.13905-1-adrian.hunter@intel.com> <20210429125854.13905-12-adrian.hunter@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210429125854.13905-12-adrian.hunter@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > unchanging (during perf record) VMX TSC Offset and no VMX TSC scaling. For TSC scaling we would need to add side band to KVM, correct? I suppose it shouldn't be that hard to do that.