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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 302FEC433DB for ; Thu, 18 Feb 2021 11:35:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C4EFC64E79 for ; Thu, 18 Feb 2021 11:35:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229784AbhBRLdq (ORCPT ); Thu, 18 Feb 2021 06:33:46 -0500 Received: from mga18.intel.com ([134.134.136.126]:58033 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229989AbhBRKOK (ORCPT ); Thu, 18 Feb 2021 05:14:10 -0500 IronPort-SDR: WDVkiMEPiPF4nAB22kPGLnDLp03y/V+hWDI2WTypUofXcf40Fs7EBq4n7h6VTAypR3dFQ3bO9d kyo3lyp+IsXg== X-IronPort-AV: E=McAfee;i="6000,8403,9898"; a="171127955" X-IronPort-AV: E=Sophos;i="5.81,186,1610438400"; d="scan'208";a="171127955" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Feb 2021 01:58:23 -0800 IronPort-SDR: 7gxiEXXX8bLFARdUKcjXI9YuWUDL7sdi+cBdnVm+BLKjImR3/7d1X/VvFK5iPkWe2sukSfMZUQ q7KbeVcPPRoA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.81,186,1610438400"; d="scan'208";a="400427716" Received: from ahunter-desktop.fi.intel.com ([10.237.72.149]) by orsmga008.jf.intel.com with ESMTP; 18 Feb 2021 01:58:21 -0800 From: Adrian Hunter To: Arnaldo Carvalho de Melo , Jiri Olsa , Andi Kleen Cc: Alexander Shishkin , linux-kernel@vger.kernel.org Subject: [PATCH 09/11] perf intel-pt: Adjust sample flags for VM-Exit Date: Thu, 18 Feb 2021 11:57:59 +0200 Message-Id: <20210218095801.19576-10-adrian.hunter@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210218095801.19576-1-adrian.hunter@intel.com> References: <20210218095801.19576-1-adrian.hunter@intel.com> Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use the change of NR to detect whether an asynchronous branch is a VM-Exit. Note VM-Entry is determined from the vmlaunch or vmresume instruction, in which case, sample flags will show "VMentry" even if the VM-Entry fails. Signed-off-by: Adrian Hunter --- tools/perf/util/intel-pt.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c index 546d512b300a..cafb3943d5f6 100644 --- a/tools/perf/util/intel-pt.c +++ b/tools/perf/util/intel-pt.c @@ -1201,13 +1201,16 @@ static void intel_pt_sample_flags(struct intel_pt_queue *ptq) if (ptq->state->flags & INTEL_PT_ABORT_TX) { ptq->flags = PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT; } else if (ptq->state->flags & INTEL_PT_ASYNC) { - if (ptq->state->to_ip) + if (!ptq->state->to_ip) + ptq->flags = PERF_IP_FLAG_BRANCH | + PERF_IP_FLAG_TRACE_END; + else if (ptq->state->from_nr && !ptq->state->to_nr) + ptq->flags = PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | + PERF_IP_FLAG_VMEXIT; + else ptq->flags = PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT; - else - ptq->flags = PERF_IP_FLAG_BRANCH | - PERF_IP_FLAG_TRACE_END; ptq->insn_len = 0; } else { if (ptq->state->from_ip) -- 2.17.1