From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752000AbeCIIwr (ORCPT ); Fri, 9 Mar 2018 03:52:47 -0500 Received: from terminus.zytor.com ([198.137.202.136]:52257 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751048AbeCIIwq (ORCPT ); Fri, 9 Mar 2018 03:52:46 -0500 Date: Fri, 9 Mar 2018 00:52:26 -0800 From: tip-bot for Jiri Olsa Message-ID: Cc: jolsa@kernel.org, linux-kernel@vger.kernel.org, dsahern@gmail.com, peterz@infradead.org, namhyung@kernel.org, alexander.shishkin@linux.intel.com, hpa@zytor.com, mingo@kernel.org, acme@redhat.com, tglx@linutronix.de Reply-To: dsahern@gmail.com, linux-kernel@vger.kernel.org, jolsa@kernel.org, mingo@kernel.org, alexander.shishkin@linux.intel.com, hpa@zytor.com, peterz@infradead.org, namhyung@kernel.org, acme@redhat.com, tglx@linutronix.de In-Reply-To: <20180307155020.32613-3-jolsa@kernel.org> References: <20180307155020.32613-3-jolsa@kernel.org> To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] perf report: Display perf.data header info Git-Commit-ID: e971a5a8399a5e84164239a5c2d59b8a51314241 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: e971a5a8399a5e84164239a5c2d59b8a51314241 Gitweb: https://git.kernel.org/tip/e971a5a8399a5e84164239a5c2d59b8a51314241 Author: Jiri Olsa AuthorDate: Wed, 7 Mar 2018 16:50:03 +0100 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 8 Mar 2018 11:30:41 -0300 perf report: Display perf.data header info Display more header info from perf.data file, following values: $ perf report -i perf.data --header-only ... # header version : 1 # data offset : 424 # data size : 3364280 # feat offset : 3364704 It's handy for debuging. Signed-off-by: Jiri Olsa Tested-by: Arnaldo Carvalho de Melo Cc: Alexander Shishkin Cc: David Ahern Cc: Namhyung Kim Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/20180307155020.32613-3-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/header.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index a326e0d8b5b6..e0c3cad0fd8d 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -2318,7 +2318,12 @@ int perf_header__fprintf_info(struct perf_session *session, FILE *fp, bool full) if (ret == -1) return -1; - fprintf(fp, "# captured on: %s", ctime(&st.st_ctime)); + fprintf(fp, "# captured on : %s", ctime(&st.st_ctime)); + + fprintf(fp, "# header version : %u\n", header->version); + fprintf(fp, "# data offset : %" PRIu64 "\n", header->data_offset); + fprintf(fp, "# data size : %" PRIu64 "\n", header->data_size); + fprintf(fp, "# feat offset : %" PRIu64 "\n", header->feat_offset); perf_header__process_sections(header, fd, &hd, perf_file_section__fprintf_info);