From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965338AbcJXQbX (ORCPT ); Mon, 24 Oct 2016 12:31:23 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:52179 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757565AbcJXQVX (ORCPT ); Mon, 24 Oct 2016 12:21:23 -0400 From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, Jiri Olsa , Adrian Hunter , David Ahern , Namhyung Kim , Wang Nan , Arnaldo Carvalho de Melo Subject: [PATCH 11/37] perf header: Display missing features Date: Mon, 24 Oct 2016 13:20:31 -0300 Message-Id: <1477326057-24080-12-git-send-email-acme@kernel.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1477326057-24080-1-git-send-email-acme@kernel.org> References: <1477326057-24080-1-git-send-email-acme@kernel.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jiri Olsa 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 05f562760958..d6310c6dace5 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; } -- 2.7.4