From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752895Ab3J3QP2 (ORCPT ); Wed, 30 Oct 2013 12:15:28 -0400 Received: from mail-pd0-f173.google.com ([209.85.192.173]:62621 "EHLO mail-pd0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752069Ab3J3QPQ (ORCPT ); Wed, 30 Oct 2013 12:15:16 -0400 From: David Ahern To: acme@ghostprotocols.net, linux-kernel@vger.kernel.org Cc: David Ahern , Ingo Molnar , Peter Zijlstra , Frederic Weisbecker , Jiri Olsa , Namhyung Kim , Stephane Eranian Subject: [PATCH 2/2] perf list: Add usage Date: Wed, 30 Oct 2013 10:15:07 -0600 Message-Id: <1383149707-1008-2-git-send-email-dsahern@gmail.com> X-Mailer: git-send-email 1.7.10.1 In-Reply-To: <1383149707-1008-1-git-send-email-dsahern@gmail.com> References: <1383149707-1008-1-git-send-email-dsahern@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 Cc: Ingo Molnar Cc: Peter Zijlstra Cc: Frederic Weisbecker Cc: Jiri Olsa Cc: Namhyung Kim Cc: Stephane Eranian --- tools/perf/builtin-list.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/tools/perf/builtin-list.c b/tools/perf/builtin-list.c index 45000e7d4398..a5ad93206044 100644 --- a/tools/perf/builtin-list.c +++ b/tools/perf/builtin-list.c @@ -14,10 +14,21 @@ #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(); -- 1.8.3.4 (Apple Git-47)