linux-kernel - [tip:perf/core] perf session: Add perf_session__deliver_synth

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Message-ID: <tip-a293829df788ae96a174b315010d4b56a10e5114@git.kernel.org>
Date:	Wed, 29 Oct 2014 23:48:25 -0700
From:	tip-bot for Adrian Hunter <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	fweisbec@...il.com, mingo@...nel.org, eranian@...gle.com,
	hpa@...or.com, adrian.hunter@...el.com, dsahern@...il.com,
	peterz@...radead.org, tglx@...utronix.de, namhyung@...il.com,
	jolsa@...hat.com, acme@...hat.com, paulus@...ba.org,
	linux-kernel@...r.kernel.org
Subject: [tip:perf/core] perf session:
  Add perf_session__deliver_synth_event()

Commit-ID:  a293829df788ae96a174b315010d4b56a10e5114
Gitweb:     http://git.kernel.org/tip/a293829df788ae96a174b315010d4b56a10e5114
Author:     Adrian Hunter <adrian.hunter@...el.com>
AuthorDate: Mon, 27 Oct 2014 15:49:23 +0200
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Wed, 29 Oct 2014 11:36:15 -0200

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: Adrian Hunter <adrian.hunter@...el.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Namhyung Kim <namhyung@...il.com>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Stephane Eranian <eranian@...gle.com>
Link: http://lkml.kernel.org/r/1414417770-18602-3-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/session.c | 13 +++++++++++++
 tools/perf/util/session.h |  5 +++++
 2 files changed, 18 insertions(+)

diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 58dd5ce..f4478ce 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -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;
diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index d8521ac..dc26ebf 100644
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -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);
--
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