perf tools: tool->finished_round() doesn't need perf_session

It is all about flushing the ordered queue or piping it thru, no need
for a perf_session pointer.

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-g47fx3ys0t9271cp0dcabjc7@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

2 files changed, 21 insertions, 11 deletions

diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index e2f318a3f17a..703a370ae5b6 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -225,10 +225,17 @@ static int process_event_stub(struct perf_tool *tool __maybe_unused,
 	return 0;
 }
 
+static int process_build_id_stub(struct perf_tool *tool __maybe_unused,
+				 union perf_event *event __maybe_unused,
+				 struct perf_session *session __maybe_unused)
+{
+	dump_printf(": unhandled!\n");
+	return 0;
+}
+
 static int process_finished_round_stub(struct perf_tool *tool __maybe_unused,
 				       union perf_event *event __maybe_unused,
-				       struct perf_session *perf_session
-				       __maybe_unused)
+				       struct ordered_events *oe __maybe_unused)
 {
 	dump_printf(": unhandled!\n");
 	return 0;
@@ -236,7 +243,7 @@ static int process_finished_round_stub(struct perf_tool *tool __maybe_unused,
 
 static int process_finished_round(struct perf_tool *tool,
 				  union perf_event *event,
-				  struct perf_session *session);
+				  struct ordered_events *oe);
 
 static int process_id_index_stub(struct perf_tool *tool __maybe_unused,
 				 union perf_event *event __maybe_unused,
@@ -274,7 +281,7 @@ void perf_tool__fill_defaults(struct perf_tool *tool)
 	if (tool->tracing_data == NULL)
 		tool->tracing_data = process_event_synth_tracing_data_stub;
 	if (tool->build_id == NULL)
-		tool->build_id = process_finished_round_stub;
+		tool->build_id = process_build_id_stub;
 	if (tool->finished_round == NULL) {
 		if (tool->ordered_events)
 			tool->finished_round = process_finished_round;
@@ -526,10 +533,8 @@ static perf_event__swap_op perf_event__swap_ops[] = {
  */
 static int process_finished_round(struct perf_tool *tool __maybe_unused,
 				  union perf_event *event __maybe_unused,
-				  struct perf_session *session)
+				  struct ordered_events *oe)
 {
-	struct ordered_events *oe = &session->ordered_events;
-
 	return ordered_events__flush(oe, OE_FLUSH__ROUND);
 }
 
@@ -961,7 +966,8 @@ static s64 perf_session__process_user_event(struct perf_session *session,
 					    union perf_event *event,
 					    u64 file_offset)
 {
-	struct perf_tool *tool = session->ordered_events.tool;
+	struct ordered_events *oe = &session->ordered_events;
+	struct perf_tool *tool = oe->tool;
 	int fd = perf_data_file__fd(session->file);
 	int err;
 
@@ -989,7 +995,7 @@ static s64 perf_session__process_user_event(struct perf_session *session,
 	case PERF_RECORD_HEADER_BUILD_ID:
 		return tool->build_id(tool, event, session);
 	case PERF_RECORD_FINISHED_ROUND:
-		return tool->finished_round(tool, event, session);
+		return tool->finished_round(tool, event, oe);
 	case PERF_RECORD_ID_INDEX:
 		return tool->id_index(tool, event, session);
 	default:
diff --git a/tools/perf/util/tool.h b/tools/perf/util/tool.h
index bb2708bbfaca..51d9e56c0f84 100644
--- a/tools/perf/util/tool.h
+++ b/tools/perf/util/tool.h
@@ -10,6 +10,7 @@ struct perf_evsel;
 struct perf_sample;
 struct perf_tool;
 struct machine;
+struct ordered_events;
 
 typedef int (*event_sample)(struct perf_tool *tool, union perf_event *event,
 			    struct perf_sample *sample,
@@ -25,6 +26,9 @@ typedef int (*event_attr_op)(struct perf_tool *tool,
 typedef int (*event_op2)(struct perf_tool *tool, union perf_event *event,
 			 struct perf_session *session);
 
+typedef int (*event_oe)(struct perf_tool *tool, union perf_event *event,
+			struct ordered_events *oe);
+
 struct perf_tool {
 	event_sample	sample,
 			read;
@@ -38,8 +42,8 @@ struct perf_tool {
 			unthrottle;
 	event_attr_op	attr;
 	event_op2	tracing_data;
-	event_op2	finished_round,
-			build_id,
+	event_oe	finished_round;
+	event_op2	build_id,
 			id_index;
 	bool		ordered_events;
 	bool		ordering_requires_timestamps;