perf ordered_events: Adopt queue() method

From perf_session, will be used in 'trace'.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-mfihndzaumx44h6y37ng2irb@git.kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/ordered-events.c

@@ -131,8 +131,8 @@ static struct ordered_event *alloc_event(struct ordered_events *oe,
 	return new;
 }
 
-struct ordered_event *
-ordered_events__new(struct ordered_events *oe, u64 timestamp,
+static struct ordered_event *
+ordered_events__new_event(struct ordered_events *oe, u64 timestamp,
 		    union perf_event *event)
 {
 	struct ordered_event *new;
@@ -153,6 +153,36 @@ void ordered_events__delete(struct ordered_events *oe, struct ordered_event *eve
 	free_dup_event(oe, event->event);
 }
 
+int ordered_events__queue(struct ordered_events *oe, union perf_event *event,
+			  struct perf_sample *sample, u64 file_offset)
+{
+	u64 timestamp = sample->time;
+	struct ordered_event *oevent;
+
+	if (!timestamp || timestamp == ~0ULL)
+		return -ETIME;
+
+	if (timestamp < oe->last_flush) {
+		pr_oe_time(timestamp,      "out of order event\n");
+		pr_oe_time(oe->last_flush, "last flush, last_flush_type %d\n",
+			   oe->last_flush_type);
+
+		oe->evlist->stats.nr_unordered_events++;
+	}
+
+	oevent = ordered_events__new_event(oe, timestamp, event);
+	if (!oevent) {
+		ordered_events__flush(oe, OE_FLUSH__HALF);
+		oevent = ordered_events__new_event(oe, timestamp, event);
+	}
+
+	if (!oevent)
+		return -ENOMEM;
+
+	oevent->file_offset = file_offset;
+	return 0;
+}
+
 static int __ordered_events__flush(struct ordered_events *oe)
 {
 	struct list_head *head = &oe->events;

tools/perf/util/ordered-events.h

@@ -49,8 +49,8 @@ struct ordered_events {
 	bool                    copy_on_queue;
 };
 
-struct ordered_event *ordered_events__new(struct ordered_events *oe, u64 timestamp,
-					  union perf_event *event);
+int ordered_events__queue(struct ordered_events *oe, union perf_event *event,
+			  struct perf_sample *sample, 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, struct machines *machines,

tools/perf/util/session.c

@@ -541,33 +541,7 @@ static int process_finished_round(struct perf_tool *tool __maybe_unused,
 int perf_session__queue_event(struct perf_session *s, union perf_event *event,
 			      struct perf_sample *sample, u64 file_offset)
 {
-	struct ordered_events *oe = &s->ordered_events;
-
-	u64 timestamp = sample->time;
-	struct ordered_event *new;
-
-	if (!timestamp || timestamp == ~0ULL)
-		return -ETIME;
-
-	if (timestamp < oe->last_flush) {
-		pr_oe_time(timestamp,      "out of order event\n");
-		pr_oe_time(oe->last_flush, "last flush, last_flush_type %d\n",
-			   oe->last_flush_type);
-
-		s->evlist->stats.nr_unordered_events++;
-	}
-
-	new = ordered_events__new(oe, timestamp, event);
-	if (!new) {
-		ordered_events__flush(oe, OE_FLUSH__HALF);
-		new = ordered_events__new(oe, timestamp, event);
-	}
-
-	if (!new)
-		return -ENOMEM;
-
-	new->file_offset = file_offset;
-	return 0;
+	return ordered_events__queue(&s->ordered_events, event, sample, file_offset);
 }
 
 static void callchain__lbr_callstack_printf(struct perf_sample *sample)