perf bench: Add new subcommand 'bench' to perf.c

This patch modifies perf.c for invoking 'bench' subcommand.
Signed-off-by: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: fweisbec@gmail.com
Cc: Jiri Kosina <jkosina@suse.cz>
LKML-Reference: <1257381097-4743-7-git-send-email-mitake@dcl.info.waseda.ac.jp>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

tools/perf/perf.c

@@ -288,6 +288,7 @@ static void handle_internal_command(int argc, const char **argv)
 		{ "list", cmd_list, 0 },
 		{ "record", cmd_record, 0 },
 		{ "report", cmd_report, 0 },
+		{ "bench", cmd_bench, 0 },
 		{ "stat", cmd_stat, 0 },
 		{ "timechart", cmd_timechart, 0 },
 		{ "top", cmd_top, 0 },