perf session: Event statistics also are per session

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: <1260810361-22828-1-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 142c475..d12ea4a 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -619,8 +619,7 @@
 		return -1;
 	}
 
-	event__stats.total += data.period;
-
+	session->events_stats.total += data.period;
 	return 0;
 }
 
@@ -731,8 +730,8 @@
 		dsos__fprintf(stdout);
 
 	perf_session__collapse_resort(session);
-	perf_session__output_resort(session, event__stats.total);
-	perf_session__fprintf_hist_entries(session, event__stats.total, stdout);
+	perf_session__output_resort(session, session->events_stats.total);
+	perf_session__fprintf_hist_entries(session, session->events_stats.total, stdout);
 
 	if (show_threads)
 		perf_read_values_destroy(&show_threads_values);