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Commit a293829d authored by Adrian Hunter's avatar Adrian Hunter Committed by Arnaldo Carvalho de Melo
Browse files

perf session: Add perf_session__deliver_synth_event() 



Add a function to deliver synthesized events from within a session.

Intel PT decoding works by synthesizing events (primarily branch events)
that can then be consumed by existing tools.  This function will be used
to deliver those events.

Signed-off-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1414417770-18602-3-git-send-email-adrian.hunter@intel.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent cba9b847

tools/perf/util/session.c

+13 −0
Original line number Diff line number Diff line
@@ -907,6 +907,19 @@ static s64 perf_session__process_user_event(struct perf_session *session, 
	}

}



int perf_session__deliver_synth_event(struct perf_session *session,

				      union perf_event *event,

				      struct perf_sample *sample,

				      struct perf_tool *tool)

{

	events_stats__inc(&session->stats, event->header.type);



	if (event->header.type >= PERF_RECORD_USER_TYPE_START)

		return perf_session__process_user_event(session, event, tool, 0);



	return perf_session__deliver_event(session, event, sample, tool, 0);

}



static void event_swap(union perf_event *event, bool sample_id_all)

{

	perf_event__swap_op swap;

tools/perf/util/session.h

+5 −0
Original line number Diff line number Diff line
@@ -127,6 +127,11 @@ extern volatile int session_done; 


#define session_done()	ACCESS_ONCE(session_done)



int perf_session__deliver_synth_event(struct perf_session *session,

				      union perf_event *event,

				      struct perf_sample *sample,

				      struct perf_tool *tool);



int perf_event__process_id_index(struct perf_tool *tool,

				 union perf_event *event,

				 struct perf_session *session);