1 files changed, 1 insertions, 0 deletions

diff --git a/tools/perf/util/probe-event.h b/tools/perf/util/probe-event.h
index e9db1a214ca4..bc06d3e8bafa 100644
--- a/tools/perf/util/probe-event.h
+++ b/tools/perf/util/probe-event.h
@@ -50,6 +50,7 @@ struct perf_probe_point {
 struct perf_probe_arg_field {
         struct perf_probe_arg_field     *next;  /* Next field */
         char                            *name;  /* Name of the field */
+        long                            index;  /* Array index number */
         bool                            ref;    /* Referencing flag */
 };