From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S941319AbcJXSzL (ORCPT ); Mon, 24 Oct 2016 14:55:11 -0400 Received: from terminus.zytor.com ([198.137.202.10]:46498 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934292AbcJXSzI (ORCPT ); Mon, 24 Oct 2016 14:55:08 -0400 Date: Mon, 24 Oct 2016 11:54:56 -0700 From: tip-bot for Jiri Olsa Message-ID: Cc: acme@redhat.com, jolsa@kernel.org, tglx@linutronix.de, linux-kernel@vger.kernel.org, namhyung@kernel.org, mingo@kernel.org, dsahern@gmail.com, adrian.hunter@intel.com, wangnan0@huawei.com, hpa@zytor.com Reply-To: namhyung@kernel.org, linux-kernel@vger.kernel.org, hpa@zytor.com, wangnan0@huawei.com, adrian.hunter@intel.com, dsahern@gmail.com, mingo@kernel.org, tglx@linutronix.de, jolsa@kernel.org, acme@redhat.com To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] perf header: Display missing features Git-Commit-ID: aabae165759994d1b9bca1fac7759f1d8bef5dad X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: aabae165759994d1b9bca1fac7759f1d8bef5dad Gitweb: http://git.kernel.org/tip/aabae165759994d1b9bca1fac7759f1d8bef5dad Author: Jiri Olsa AuthorDate: Mon, 10 Oct 2016 09:35:50 +0200 Committer: Arnaldo Carvalho de Melo CommitDate: Mon, 24 Oct 2016 11:07:34 -0300 perf header: Display missing features Display missing features in header info, like: $ perf report --header-only # ======== # captured on: Mon Oct 10 09:39:47 2016 ... # missing features: HEADER_TRACING_DATA HEADER_CPU_TOPOLOGY ... To help in diagnosing problems. Signed-off-by: Jiri Olsa Tested-by: Arnaldo Carvalho de Melo Cc: Adrian Hunter Cc: David Ahern Cc: Namhyung Kim Cc: Wang Nan Link: http://lkml.kernel.org/n/tip-bh5gp84gobdmyl345dcp64se@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/header.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 05f5627..d6310c6 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -2251,7 +2251,7 @@ int perf_header__fprintf_info(struct perf_session *session, FILE *fp, bool full) struct perf_header *header = &session->header; int fd = perf_data_file__fd(session->file); struct stat st; - int ret; + int ret, bit; hd.fp = fp; hd.full = full; @@ -2264,6 +2264,14 @@ int perf_header__fprintf_info(struct perf_session *session, FILE *fp, bool full) perf_header__process_sections(header, fd, &hd, perf_file_section__fprintf_info); + + fprintf(fp, "# missing features: "); + for_each_clear_bit(bit, header->adds_features, HEADER_LAST_FEATURE) { + if (bit) + fprintf(fp, "%s ", feat_ops[bit].name); + } + + fprintf(fp, "\n"); return 0; }