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=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 6684EC433B4 for ; Thu, 29 Apr 2021 21:21:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 24AC36109E for ; Thu, 29 Apr 2021 21:21:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236907AbhD2VWa (ORCPT ); Thu, 29 Apr 2021 17:22:30 -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.