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=-8.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, 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 873D4C282DD for ; Mon, 10 Jun 2019 07:29:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5EA50207E0 for ; Mon, 10 Jun 2019 07:29:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388181AbfFJH3n (ORCPT ); Mon, 10 Jun 2019 03:29:43 -0400 Received: from mga01.intel.com ([192.55.52.88]:14549 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388149AbfFJH3k (ORCPT ); Mon, 10 Jun 2019 03:29:40 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Jun 2019 00:29:40 -0700 X-ExtLoop1: 1 Received: from ahunter-desktop.fi.intel.com ([10.237.72.198]) by orsmga006.jf.intel.com with ESMTP; 10 Jun 2019 00:29:38 -0700 From: Adrian Hunter To: Arnaldo Carvalho de Melo Cc: Jiri Olsa , linux-kernel@vger.kernel.org Subject: [PATCH 11/11] perf intel-pt: Add callchain to synthesized PEBS sample Date: Mon, 10 Jun 2019 10:28:03 +0300 Message-Id: <20190610072803.10456-12-adrian.hunter@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190610072803.10456-1-adrian.hunter@intel.com> References: <20190610072803.10456-1-adrian.hunter@intel.com> Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Like other synthesized events, if there is also an Intel PT branch trace, then a call stack can also be synthesized. Add that. Signed-off-by: Adrian Hunter --- tools/perf/util/intel-pt.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c index 0b7beb98a028..ea03bdaf8009 100644 --- a/tools/perf/util/intel-pt.c +++ b/tools/perf/util/intel-pt.c @@ -1626,6 +1626,14 @@ static int intel_pt_synth_pebs_sample(struct intel_pt_queue *ptq) sample.time = tsc_to_perf_time(timestamp, &pt->tc); } + if (sample_type & PERF_SAMPLE_CALLCHAIN && + pt->synth_opts.callchain) { + thread_stack__sample(ptq->thread, ptq->cpu, ptq->chain, + pt->synth_opts.callchain_sz, sample.ip, + pt->kernel_start); + sample.callchain = ptq->chain; + } + if (sample_type & PERF_SAMPLE_REGS_INTR && items->mask[INTEL_PT_GP_REGS_POS]) { u64 regs[sizeof(sample.intr_regs.mask)]; -- 2.17.1