[PATCH 4/6] perf session: Add storage for seperating event types in report

[Arnaldo Carvalho de Melo]

From: Eric B Munson <ebmunson@xxxxxxxxxx>

This patch adds the structures necessary to count each event type
independently in perf report.

Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Signed-off-by: Eric B Munson <ebmunson@xxxxxxxxxx>
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/util/event.h   |    9 +++++++++
 tools/perf/util/session.c |    1 +
 tools/perf/util/session.h |    1 +
 3 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index 50a7132..a33b949 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -99,6 +99,15 @@ struct events_stats {
 	u64 lost;
 };
 
+struct event_stat_id {
+	struct rb_node		rb_node;
+	struct rb_root		hists;
+	struct events_stats	stats;
+	u64			config;
+	u64			event_stream;
+	u32			type;
+};
+
 void event__print_totals(void);
 
 struct perf_session;
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 0de7258..eed1cb8 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -70,6 +70,7 @@ struct perf_session *perf_session__new(const char *filename, int mode, bool forc
 
 	memcpy(self->filename, filename, len);
 	self->threads = RB_ROOT;
+	self->stats_by_id = RB_ROOT;
 	self->last_match = NULL;
 	self->mmap_window = 32;
 	self->cwd = NULL;
diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index 31950fc..5c33417 100644
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -20,6 +20,7 @@ struct perf_session {
 	struct thread		*last_match;
 	struct map		*vmlinux_maps[MAP__NR_TYPES];
 	struct events_stats	events_stats;
+	struct rb_root		stats_by_id;
 	unsigned long		event_total[PERF_RECORD_MAX];
 	unsigned long		unknown_events;
 	struct rb_root		hists;
-- 
1.5.5.6

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