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=-9.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 9FC40C433F4 for ; Mon, 24 Sep 2018 15:05:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 592862083A for ; Mon, 24 Sep 2018 15:05:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="yFrl3qWD" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 592862083A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733256AbeIXVIB (ORCPT ); Mon, 24 Sep 2018 17:08:01 -0400 Received: from mail.kernel.org ([198.145.29.99]:53178 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733069AbeIXVH7 (ORCPT ); Mon, 24 Sep 2018 17:07:59 -0400 Received: from jouet.infradead.org (unknown [179.97.41.186]) (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 0A4BB2083A; Mon, 24 Sep 2018 15:05:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1537801524; bh=EsBxKDUUJlZMRpXxvnZ3eI+xI16UyY4BeANKAF8cGps=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=yFrl3qWDn2EehaEdnRoW2Vc7m/mgHfge1fUzB3TsiWFD4AZXF11XExvF7IQ2acbRa EJ/6jyESNTIc/nUaL9GcAaU8cslVJ2UzZmfgovwB+VAb/hkpXMP7vvESzPQ8GQGH1q /u1idoc8beAXM+uvb51sneW7bm3LdAQas9OkUiEg= From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Adrian Hunter , Andi Kleen , Jiri Olsa , Arnaldo Carvalho de Melo Subject: [PATCH 25/27] perf intel-pt: Add decoder flags for trace begin / end Date: Mon, 24 Sep 2018 12:02:40 -0300 Message-Id: <20180924150242.14235-26-acme@kernel.org> X-Mailer: git-send-email 2.14.4 In-Reply-To: <20180924150242.14235-1-acme@kernel.org> References: <20180924150242.14235-1-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Adrian Hunter Previously, the decoder would indicate begin / end by a branch from / to zero. That hides useful information, in particular when a trace ends with a call. To prepare for remedying that, add Intel PT decoder flags for trace begin / end and map them to the existing sample flags. Signed-off-by: Adrian Hunter Cc: Andi Kleen Cc: Jiri Olsa Link: http://lkml.kernel.org/r/20180920130048.31432-6-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/intel-pt-decoder/intel-pt-decoder.h | 2 ++ tools/perf/util/intel-pt.c | 5 +++++ 2 files changed, 7 insertions(+) diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.h b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.h index 51c18d67f4ca..ed088d4726ba 100644 --- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.h +++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.h @@ -37,6 +37,8 @@ enum intel_pt_sample_type { INTEL_PT_EX_STOP = 1 << 6, INTEL_PT_PWR_EXIT = 1 << 7, INTEL_PT_CBR_CHG = 1 << 8, + INTEL_PT_TRACE_BEGIN = 1 << 9, + INTEL_PT_TRACE_END = 1 << 10, }; enum intel_pt_period_type { diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c index aec68908d604..48c1d415c6b0 100644 --- a/tools/perf/util/intel-pt.c +++ b/tools/perf/util/intel-pt.c @@ -908,6 +908,11 @@ static void intel_pt_sample_flags(struct intel_pt_queue *ptq) ptq->insn_len = ptq->state->insn_len; memcpy(ptq->insn, ptq->state->insn, INTEL_PT_INSN_BUF_SZ); } + + if (ptq->state->type & INTEL_PT_TRACE_BEGIN) + ptq->flags |= PERF_IP_FLAG_TRACE_BEGIN; + if (ptq->state->type & INTEL_PT_TRACE_END) + ptq->flags |= PERF_IP_FLAG_TRACE_END; } static int intel_pt_setup_queue(struct intel_pt *pt, -- 2.14.4