1 files changed, 3 insertions, 1 deletions

diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c
index be8412d699a..de3fc8bf8bf 100644
--- a/tools/perf/util/trace-event-parse.c
+++ b/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);