Commit af9522cf authored Mar 20, 2009 by Wu Fengguang Committed by Ingo Molnar Apr 06, 2009

perf_counter tools: when no command is feed to perfstat, display help and exit



Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

parent dda7c02f

Documentation/perf_counter/kerneltop.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -387,6 +387,9 @@ int do_perfstat(int argc, char *argv[])
		argc -= optind;
		argv += optind;

		if (!argc)
		display_help();

		/*
		* Enable counters and exec the command:
		*/