From b00eca8cd66029128615e8be9a19e284a950c0f2 Mon Sep 17 00:00:00 2001 From: Pekka Enberg <penberg@cs.helsinki.fi> Date: Tue, 19 Jan 2010 19:26:11 +0200 Subject: [PATCH] perf kmem: Print usage help for unknown commands This patch fixes "perf kmem" to print usage help instead of doing nothing. Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Li Zefan <lizf@cn.fujitsu.com> Cc: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> LKML-Reference: <1263921971-10782-1-git-send-email-penberg@cs.helsinki.fi> Signed-off-by: Ingo Molnar <mingo@elte.hu> --- tools/perf/builtin-kmem.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c index 33bb9dfb8e68e..93c67bf53d2c9 100644 --- a/tools/perf/builtin-kmem.c +++ b/tools/perf/builtin-kmem.c @@ -784,7 +784,8 @@ int cmd_kmem(int argc, const char **argv, const char *prefix __used) setup_sorting(&alloc_sort, default_sort_order); return __cmd_kmem(); - } + } else + usage_with_options(kmem_usage, kmem_options); return 0; } -- GitLab