diff --git a/[refs] b/[refs]
index d9dd0ed7d4b8..440f20f3fba3 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 26a50744b21fff65bd754874072857bee8967f4d
+refs/heads/master: 2774601811bedd04ee7e38624343ea80b4a62d7e
diff --git a/trunk/tools/perf/util/trace-event-parse.c b/trunk/tools/perf/util/trace-event-parse.c
index be8412d699a1..de3fc8bf8bfe 100644
--- a/trunk/tools/perf/util/trace-event-parse.c
+++ b/trunk/tools/perf/util/trace-event-parse.c
@@ -2950,7 +2950,7 @@ int parse_ftrace_file(char *buf, unsigned long size)
 	return 0;
 }
 
-int parse_event_file(char *buf, unsigned long size, char *system__unused __unused)
+int parse_event_file(char *buf, unsigned long size, char *sys)
 {
 	struct event *event;
 	int ret;
@@ -2977,6 +2977,8 @@ int parse_event_file(char *buf, unsigned long size, char *system__unused __unuse
 	if (ret < 0)
 		die("failed to read event print fmt");
 
+	event->system = strdup(sys);
+
 #define PRINT_ARGS 0
 	if (PRINT_ARGS && event->print_fmt.args)
 		print_args(event->print_fmt.args);
diff --git a/trunk/tools/perf/util/trace-event.h b/trunk/tools/perf/util/trace-event.h
index 00b440df66d8..cb92978be300 100644
--- a/trunk/tools/perf/util/trace-event.h
+++ b/trunk/tools/perf/util/trace-event.h
@@ -133,6 +133,7 @@ struct event {
 	int			flags;
 	struct format		format;
 	struct print_fmt	print_fmt;
+	char			*system;
 };
 
 enum {
@@ -167,7 +168,7 @@ void print_funcs(void);
 void print_printk(void);
 
 int parse_ftrace_file(char *buf, unsigned long size);
-int parse_event_file(char *buf, unsigned long size, char *system);
+int parse_event_file(char *buf, unsigned long size, char *sys);
 void print_event(int cpu, void *data, int size, unsigned long long nsecs,
 		  char *comm);