perf bench: Add format constants to bench.h for unified output format…

…ting

This patch adds some constants and extern declaration to
bench.h. These are used for unified output formatting
of 'perf bench'.

Signed-off-by: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1257808802-9420-2-git-send-email-mitake@dcl.info.waseda.ac.jp>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

tools/perf/bench/bench.h

@@ -6,4 +6,13 @@ extern int bench_sched_messaging(int argc, const char **argv,
 extern int bench_sched_pipe(int argc, const char **argv,
 			    const char *prefix);
 
+#define BENCH_FORMAT_DEFAULT_STR "default"
+#define BENCH_FORMAT_DEFAULT 0
+#define BENCH_FORMAT_SIMPLE_STR "simple"
+#define BENCH_FORMAT_SIMPLE 1
+
+#define BENCH_FORMAT_UNKNOWN -1
+
+extern int bench_format;
+
 #endif