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=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 54C11C43613 for ; Fri, 21 Jun 2019 17:40:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2CF582083B for ; Fri, 21 Jun 2019 17:40:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1561138824; bh=TUol6OPfE0HYdhldmbcFt9RBMC3YElzv3rBkCRQfJ50=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=BUFB0k53EkSRX45ncCZTZYhQ7WT16HcZPMQElUcMR0iT2YfoXsHvM4g1wGIA5pbB5 n4bAdeKHdXuVrsQZgyHfspD00WO8+swrx5IpYDYlkZXODWmAgOpBAzN1SaUjz846sg 3M1HAcdx0uFroFfnZ56kwXB6+44cnK3esvCztNOo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726483AbfFURkX (ORCPT ); Fri, 21 Jun 2019 13:40:23 -0400 Received: from mail.kernel.org ([198.145.29.99]:59482 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726151AbfFURkW (ORCPT ); Fri, 21 Jun 2019 13:40:22 -0400 Received: from quaco.ghostprotocols.net (187-26-104-93.3g.claro.net.br [187.26.104.93]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3D10D21670; Fri, 21 Jun 2019 17:40:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1561138820; bh=TUol6OPfE0HYdhldmbcFt9RBMC3YElzv3rBkCRQfJ50=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=eIV6kUlyuyuVQX1FAIx1SuqQV8k2NVQjpBDUYHr62Btda4mzId3zIKPFMRkdfjIMI ouCjnt7Yt/jwXBBpQ9CfEo43kRCtjhKK/wqaOzt8E8qIwzjsYM0vpVoluqu4Uhfmdb cf/h8XGhJlKf6KitFPS+n0/QmTy6PH3vJ2dSoX7c= From: Arnaldo Carvalho de Melo To: Ingo Molnar , Thomas Gleixner Cc: Jiri Olsa , Namhyung Kim , Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Adrian Hunter , Jiri Olsa , Arnaldo Carvalho de Melo Subject: [PATCH 13/25] perf intel-pt: Add callchain to synthesized PEBS sample Date: Fri, 21 Jun 2019 14:38:19 -0300 Message-Id: <20190621173831.13780-14-acme@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190621173831.13780-1-acme@kernel.org> References: <20190621173831.13780-1-acme@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Adrian Hunter 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 Cc: Jiri Olsa Link: http://lkml.kernel.org/r/20190610072803.10456-12-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- 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 bf7647897e8a..550db6e77968 100644 --- a/tools/perf/util/intel-pt.c +++ b/tools/perf/util/intel-pt.c @@ -1730,6 +1730,14 @@ 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)]; -- 2.20.1