linux-kernel - [PATCH 1/4] perf kmem: introduce --list-cmds for use by scripts

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Message-Id: <1394853474-31019-2-git-send-email-artagnon@gmail.com>
Date:	Fri, 14 Mar 2014 23:17:51 -0400
From:	Ramkumar Ramachandra <artagnon@...il.com>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	David Ahern <dsahern@...il.com>, Jiri Olsa <jolsa@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 1/4] perf kmem: introduce --list-cmds for use by scripts

Signed-off-by: Ramkumar Ramachandra <artagnon@...il.com>
---
 tools/perf/builtin-kmem.c     | 8 +++++---
 tools/perf/perf-completion.sh | 4 ++--
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c
index 929462a..bd91de0 100644
--- a/tools/perf/builtin-kmem.c
+++ b/tools/perf/builtin-kmem.c
@@ -756,11 +756,13 @@ int cmd_kmem(int argc, const char **argv, const char *prefix __maybe_unused)
 	OPT_BOOLEAN(0, "raw-ip", &raw_ip, "show raw ip instead of symbol"),
 	OPT_END()
 	};
-	const char * const kmem_usage[] = {
-		"perf kmem [<options>] {record|stat}",
+	const char *const kmem_subcommands[] = { "record", "stat", NULL };
+	const char *kmem_usage[] = {
+		NULL,
 		NULL
 	};
-	argc = parse_options(argc, argv, kmem_options, kmem_usage, 0);
+	argc = parse_options_subcommand(argc, argv, kmem_options,
+					kmem_subcommands, kmem_usage, 0);
 
 	if (!argc)
 		usage_with_options(kmem_usage, kmem_options);
diff --git a/tools/perf/perf-completion.sh b/tools/perf/perf-completion.sh
index ae3a576..0ef59dd 100644
--- a/tools/perf/perf-completion.sh
+++ b/tools/perf/perf-completion.sh
@@ -121,8 +121,8 @@ __perf_main ()
 	elif [[ $prev == "-e" && "${words[1]}" == @(record|stat|top) ]]; then
 		evts=$($cmd list --raw-dump)
 		__perfcomp_colon "$evts" "$cur"
-	# List subcommands for 'perf kvm'
-	elif [[ $prev == "kvm" ]]; then
+	# List subcommands for perf commands
+	elif [[ $prev == @(kvm|kmem) ]]; then
 		subcmds=$($cmd $prev --list-cmds)
 		__perfcomp_colon "$subcmds" "$cur"
 	# List long option names
-- 
1.9.rc0.1.g9d22d25

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