perf ordered_events: Allow tools to specify a deliver method

So that we can simplify the deliver method to pass just:

 (ordered_events, ordered_event, sample);

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-j0s4bpxs5qza5tnkvjwom9rw@git.kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/ordered-events.c

@@ -181,8 +181,7 @@ static int __ordered_events__flush(struct ordered_events *oe)
 		if (ret)
 			pr_err("Can't parse sample, err = %d\n", ret);
 		else {
-			ret = machines__deliver_event(oe->machines, oe->evlist, iter->event,
-						      &sample, oe->tool, iter->file_offset);
+			ret = oe->deliver(oe, iter, &sample);
 			if (ret)
 				return ret;
 		}
@@ -264,7 +263,8 @@ int ordered_events__flush(struct ordered_events *oe, enum oe_flush how)
 }
 
 void ordered_events__init(struct ordered_events *oe, struct machines *machines,
-			  struct perf_evlist *evlist, struct perf_tool *tool)
+			  struct perf_evlist *evlist, struct perf_tool *tool,
+			  ordered_events__deliver_t deliver)
 {
 	INIT_LIST_HEAD(&oe->events);
 	INIT_LIST_HEAD(&oe->cache);
@@ -274,6 +274,7 @@ void ordered_events__init(struct ordered_events *oe, struct machines *machines,
 	oe->evlist	   = evlist;
 	oe->machines	   = machines;
 	oe->tool	   = tool;
+	oe->deliver	   = deliver;
 }
 
 void ordered_events__free(struct ordered_events *oe)

tools/perf/util/ordered-events.h

@@ -5,6 +5,7 @@
 
 struct perf_tool;
 struct perf_evlist;
+struct perf_sample;
 struct machines;
 
 struct ordered_event {
@@ -21,6 +22,12 @@ enum oe_flush {
 	OE_FLUSH__HALF,
 };
 
+struct ordered_events;
+
+typedef int (*ordered_events__deliver_t)(struct ordered_events *oe,
+					 struct ordered_event *event,
+					 struct perf_sample *sample);
+
 struct ordered_events {
 	u64			last_flush;
 	u64			next_flush;
@@ -35,6 +42,7 @@ struct ordered_events {
 	struct machines		*machines;
 	struct perf_evlist	*evlist;
 	struct perf_tool	*tool;
+	ordered_events__deliver_t deliver;
 	int			buffer_idx;
 	unsigned int		nr_events;
 	enum oe_flush		last_flush_type;
@@ -46,7 +54,8 @@ struct ordered_event *ordered_events__new(struct ordered_events *oe, u64 timesta
 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,
-			  struct perf_evlist *evlsit, struct perf_tool *tool);
+			  struct perf_evlist *evlsit, struct perf_tool *tool,
+			  ordered_events__deliver_t deliver);
 void ordered_events__free(struct ordered_events *oe);
 
 static inline

tools/perf/util/session.c

@@ -16,6 +16,12 @@
 #include "perf_regs.h"
 #include "asm/bug.h"
 
+static int machines__deliver_event(struct machines *machines,
+				   struct perf_evlist *evlist,
+				   union perf_event *event,
+				   struct perf_sample *sample,
+				   struct perf_tool *tool, u64 file_offset);
+
 static int perf_session__open(struct perf_session *session)
 {
 	struct perf_data_file *file = session->file;
@@ -86,6 +92,14 @@ static void perf_session__set_comm_exec(struct perf_session *session)
 	machines__set_comm_exec(&session->machines, comm_exec);
 }
 
+static int ordered_events__deliver_event(struct ordered_events *oe,
+					 struct ordered_event *event,
+					 struct perf_sample *sample)
+{
+	return machines__deliver_event(oe->machines, oe->evlist, event->event,
+				       sample, oe->tool, event->file_offset);
+}
+
 struct perf_session *perf_session__new(struct perf_data_file *file,
 				       bool repipe, struct perf_tool *tool)
 {
@@ -125,8 +139,10 @@ struct perf_session *perf_session__new(struct perf_data_file *file,
 	    tool->ordered_events && !perf_evlist__sample_id_all(session->evlist)) {
 		dump_printf("WARNING: No sample_id_all support, falling back to unordered processing\n");
 		tool->ordered_events = false;
-	} else
-		ordered_events__init(&session->ordered_events, &session->machines, session->evlist, tool);
+	} else {
+		ordered_events__init(&session->ordered_events, &session->machines,
+				     session->evlist, tool, ordered_events__deliver_event);
+	}
 
 	return session;
 
@@ -888,11 +904,11 @@ static int
 					    &sample->read.one, machine);
 }
 
-int machines__deliver_event(struct machines *machines,
-				struct perf_evlist *evlist,
-				union perf_event *event,
-				struct perf_sample *sample,
-				struct perf_tool *tool, u64 file_offset)
+static int machines__deliver_event(struct machines *machines,
+				   struct perf_evlist *evlist,
+				   union perf_event *event,
+				   struct perf_sample *sample,
+				   struct perf_tool *tool, u64 file_offset)
 {
 	struct perf_evsel *evsel;
 	struct machine *machine;

tools/perf/util/session.h

@@ -55,12 +55,6 @@ int perf_session__queue_event(struct perf_session *s, union perf_event *event,
 
 void perf_tool__fill_defaults(struct perf_tool *tool);
 
-int machines__deliver_event(struct machines *machines,
-				struct perf_evlist *evlist,
-				union perf_event *event,
-				struct perf_sample *sample,
-				struct perf_tool *tool, u64 file_offset);
-
 int perf_session__resolve_callchain(struct perf_session *session,
 				    struct perf_evsel *evsel,
 				    struct thread *thread,