perf ordered_events: Add private data member

We will need it in following patch, where we can't use the
container_of() trick to get the higher level object.

Signed-off-by: Jiri Olsa <[email protected]>
Acked-by: David S. Miller <[email protected]>
Acked-by: Namhyung Kim <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: http://lkml.kernel.org/n/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>

Author: olsajiri

tools/perf/util/ordered-events.c

@@ -326,14 +326,16 @@ int ordered_events__flush(struct ordered_events *oe, enum oe_flush how)
 	return err;
 }
 
-void ordered_events__init(struct ordered_events *oe, ordered_events__deliver_t deliver)
+void ordered_events__init(struct ordered_events *oe, ordered_events__deliver_t deliver,
+			  void *data)
 {
 	INIT_LIST_HEAD(&oe->events);
 	INIT_LIST_HEAD(&oe->cache);
 	INIT_LIST_HEAD(&oe->to_free);
 	oe->max_alloc_size = (u64) -1;
 	oe->cur_alloc_size = 0;
 	oe->deliver	   = deliver;
+	oe->data	   = data;
 }
 
 static void
@@ -377,5 +379,5 @@ void ordered_events__reinit(struct ordered_events *oe)
 
 	ordered_events__free(oe);
 	memset(oe, '\0', sizeof(*oe));
-	ordered_events__init(oe, old_deliver);
+	ordered_events__init(oe, old_deliver, oe->data);
 }

tools/perf/util/ordered-events.h

@@ -47,13 +47,15 @@ struct ordered_events {
 	enum oe_flush			 last_flush_type;
 	u32				 nr_unordered_events;
 	bool				 copy_on_queue;
+	void				*data;
 };
 
 int ordered_events__queue(struct ordered_events *oe, union perf_event *event,
 			  u64 timestamp, u64 file_offset);
 void ordered_events__delete(struct ordered_events *oe, struct ordered_event *event);
 int ordered_events__flush(struct ordered_events *oe, enum oe_flush how);
-void ordered_events__init(struct ordered_events *oe, ordered_events__deliver_t deliver);
+void ordered_events__init(struct ordered_events *oe, ordered_events__deliver_t deliver,
+			  void *data);
 void ordered_events__free(struct ordered_events *oe);
 void ordered_events__reinit(struct ordered_events *oe);
 

tools/perf/util/session.c

@@ -126,7 +126,8 @@ struct perf_session *perf_session__new(struct perf_data *data,
 	session->tool   = tool;
 	INIT_LIST_HEAD(&session->auxtrace_index);
 	machines__init(&session->machines);
-	ordered_events__init(&session->ordered_events, ordered_events__deliver_event);
+	ordered_events__init(&session->ordered_events,
+			     ordered_events__deliver_event, NULL);
 
 	if (data) {
 		if (perf_data__open(data))