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=-11.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS 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 7F2C1C433E2 for ; Sun, 13 Sep 2020 21:04:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 436402220A for ; Sun, 13 Sep 2020 21:04:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600031057; bh=AOt+ltaNhv+Y559hWA4XZKOaT0EHCos0bPlYfsmzSZ0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=y7I3vPvAb2mjvJciOK8ZQJeJZOanc3utqCc8Lhf/XNrMtEKTKJTrBf7TBGSZGjr// slF/hs+vWn2W2X6UZLfrI4ZMyxkYnRt4XujVkPFDvoQLMoIN+ISzoDx+Af0qwhbgjo k113R1C0NyAxxO1DuWeZmneaJEXj6zpp9kY5E4yQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726003AbgIMVEP convert rfc822-to-8bit (ORCPT ); Sun, 13 Sep 2020 17:04:15 -0400 Received: from us-smtp-2.mimecast.com ([207.211.31.81]:60442 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725968AbgIMVDv (ORCPT ); Sun, 13 Sep 2020 17:03:51 -0400 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-249--FsyTEmQP2ut0tesaM59gA-1; Sun, 13 Sep 2020 17:03:49 -0400 X-MC-Unique: -FsyTEmQP2ut0tesaM59gA-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 7657E802B6A; Sun, 13 Sep 2020 21:03:46 +0000 (UTC) Received: from krava.redhat.com (ovpn-112-4.ams2.redhat.com [10.36.112.4]) by smtp.corp.redhat.com (Postfix) with ESMTP id A0CE01002393; Sun, 13 Sep 2020 21:03:37 +0000 (UTC) From: Jiri Olsa To: Arnaldo Carvalho de Melo Cc: lkml , Peter Zijlstra , Ingo Molnar , Mark Rutland , Namhyung Kim , Alexander Shishkin , Michael Petlan , Song Liu , "Frank Ch. Eigler" , Ian Rogers , Stephane Eranian , Alexey Budankov , Andi Kleen , Adrian Hunter Subject: [PATCH 05/26] perf tools: Add build_id__is_defined function Date: Sun, 13 Sep 2020 23:02:52 +0200 Message-Id: <20200913210313.1985612-6-jolsa@kernel.org> In-Reply-To: <20200913210313.1985612-1-jolsa@kernel.org> References: <20200913210313.1985612-1-jolsa@kernel.org> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=jolsa@kernel.org X-Mimecast-Spam-Score: 0.001 X-Mimecast-Originator: kernel.org Content-Type: text/plain; charset=WINDOWS-1252 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Adding build_id__is_defined helper to check build id is defined and is != zero build id. Signed-off-by: Jiri Olsa --- tools/perf/util/build-id.c | 11 +++++++++++ tools/perf/util/build-id.h | 1 + 2 files changed, 12 insertions(+) diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c index 31207b6e2066..bdee4e08e60d 100644 --- a/tools/perf/util/build-id.c +++ b/tools/perf/util/build-id.c @@ -902,3 +902,14 @@ bool perf_session__read_build_ids(struct perf_session *session, bool with_hits) return ret; } + +bool build_id__is_defined(const u8 *build_id) +{ + static u8 zero[BUILD_ID_SIZE]; + int err = 0; + + if (build_id) + err = memcmp(build_id, &zero, BUILD_ID_SIZE); + + return err ? true : false; +} diff --git a/tools/perf/util/build-id.h b/tools/perf/util/build-id.h index aad419bb165c..1ceede45c231 100644 --- a/tools/perf/util/build-id.h +++ b/tools/perf/util/build-id.h @@ -14,6 +14,7 @@ extern struct perf_tool build_id__mark_dso_hit_ops; struct dso; struct feat_fd; +bool build_id__is_defined(const u8 *build_id); int build_id__sprintf(const u8 *build_id, int len, char *bf); int sysfs__sprintf_build_id(const char *root_dir, char *sbuild_id); int filename__sprintf_build_id(const char *pathname, char *sbuild_id); -- 2.26.2