From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755985Ab3KFFoY (ORCPT ); Wed, 6 Nov 2013 00:44:24 -0500 Received: from terminus.zytor.com ([198.137.202.10]:44263 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752930Ab3KFFoU (ORCPT ); Wed, 6 Nov 2013 00:44:20 -0500 Date: Tue, 5 Nov 2013 21:43:43 -0800 From: tip-bot for David Ahern Message-ID: Cc: acme@redhat.com, linux-kernel@vger.kernel.org, eranian@google.com, hpa@zytor.com, mingo@kernel.org, peterz@infradead.org, namhyung@kernel.org, jolsa@redhat.com, fweisbec@gmail.com, dsahern@gmail.com, tglx@linutronix.de Reply-To: mingo@kernel.org, hpa@zytor.com, eranian@google.com, linux-kernel@vger.kernel.org, acme@redhat.com, peterz@infradead.org, namhyung@kernel.org, jolsa@redhat.com, fweisbec@gmail.com, dsahern@gmail.com, tglx@linutronix.de In-Reply-To: <527133AD.4030003@gmail.com> References: <527133AD.4030003@gmail.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] perf list: Add usage Git-Commit-ID: 44d742e01e6d3dd544ee1873b660a3c8bc1413bb 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 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.1 (terminus.zytor.com [127.0.0.1]); Tue, 05 Nov 2013 21:43:48 -0800 (PST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 44d742e01e6d3dd544ee1873b660a3c8bc1413bb Gitweb: http://git.kernel.org/tip/44d742e01e6d3dd544ee1873b660a3c8bc1413bb Author: David Ahern AuthorDate: Wed, 30 Oct 2013 10:28:29 -0600 Committer: Arnaldo Carvalho de Melo CommitDate: Tue, 5 Nov 2013 14:26:41 -0300 perf list: Add usage Currently 'perf list' is not very helpful if you forget the syntax: $ perf list -h List of pre-defined events (to be used in -e): After: $ perf list -h usage: perf list [hw|sw|cache|tracepoint|pmu|event_glob] Signed-off-by: David Ahern Acked-by: Ingo Molnar Cc: Frederic Weisbecker Cc: Ingo Molnar Cc: Jiri Olsa Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/r/527133AD.4030003@gmail.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-list.c | 17 ++++++++++++++--- 1 file changed, 14 insertions(+), 3 deletions(-) diff --git a/tools/perf/builtin-list.c b/tools/perf/builtin-list.c index 45000e7..011195e 100644 --- a/tools/perf/builtin-list.c +++ b/tools/perf/builtin-list.c @@ -14,20 +14,31 @@ #include "util/parse-events.h" #include "util/cache.h" #include "util/pmu.h" +#include "util/parse-options.h" int cmd_list(int argc, const char **argv, const char *prefix __maybe_unused) { int i; + const struct option list_options[] = { + OPT_END() + }; + const char * const list_usage[] = { + "perf list [hw|sw|cache|tracepoint|pmu|event_glob]", + NULL + }; + + argc = parse_options(argc, argv, list_options, list_usage, + PARSE_OPT_STOP_AT_NON_OPTION); setup_pager(); - if (argc == 1) { + if (argc == 0) { print_events(NULL, false); return 0; } - for (i = 1; i < argc; ++i) { - if (i > 2) + for (i = 0; i < argc; ++i) { + if (i) putchar('\n'); if (strncmp(argv[i], "tracepoint", 10) == 0) print_tracepoint_events(NULL, NULL, false);