perf session: Pass the perf_session to the event handling operations

They will need it to get the right threads list, etc.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1260741029-4430-1-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index 51a96c2..6b6429b 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -156,18 +156,25 @@
 void map__fixup_start(struct map *self);
 void map__fixup_end(struct map *self);
 
-int event__synthesize_thread(pid_t pid, int (*process)(event_t *event));
-void event__synthesize_threads(int (*process)(event_t *event));
+struct perf_session;
+
+int event__synthesize_thread(pid_t pid,
+			     int (*process)(event_t *event,
+					    struct perf_session *session),
+			     struct perf_session *session);
+void event__synthesize_threads(int (*process)(event_t *event,
+					      struct perf_session *session),
+			       struct perf_session *session);
 
 extern char *event__cwd;
 extern int  event__cwdlen;
 extern struct events_stats event__stats;
 extern unsigned long event__total[PERF_RECORD_MAX];
 
-int event__process_comm(event_t *self);
-int event__process_lost(event_t *self);
-int event__process_mmap(event_t *self);
-int event__process_task(event_t *self);
+int event__process_comm(event_t *self, struct perf_session *session);
+int event__process_lost(event_t *self, struct perf_session *session);
+int event__process_mmap(event_t *self, struct perf_session *session);
+int event__process_task(event_t *self, struct perf_session *session);
 
 struct addr_location;
 int event__preprocess_sample(const event_t *self, struct addr_location *al,