In preparation to the hwnoise tool, add the mode abstraction
to the osnoise tool, so it can have multiple operation modes.

Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Cc: Daniel Bristot de Oliveira <bristot@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Jonathan Corbet <corbet@lwn.net>
---
 tools/tracing/rtla/src/osnoise_top.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/tracing/rtla/src/osnoise_top.c b/tools/tracing/rtla/src/osnoise_top.c
index 76479bfb2922..d7bbd73e1a78 100644
--- a/tools/tracing/rtla/src/osnoise_top.c
+++ b/tools/tracing/rtla/src/osnoise_top.c
@@ -14,6 +14,10 @@
 #include "osnoise.h"
 #include "utils.h"
 
+enum osnoise_mode {
+	MODE_OSNOISE = 0,
+};
+
 /*
  * osnoise top parameters
  */
@@ -32,6 +36,7 @@ struct osnoise_top_params {
 	int			set_sched;
 	struct sched_attr	sched_param;
 	struct trace_events	*events;
+	enum osnoise_mode	mode;
 };
 
 struct osnoise_top_cpu {
-- 
2.38.1