perf kmem: Print usage help for unknown commands

[safe/jmp/linux-2.6] / tools / perf / builtin-kmem.c

diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c
index 33bb9df..93c67bf 100644 (file)
--- 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;
 }