diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c index add379c55c36..1653a62a478e 100644 --- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c @@ -385,10 +385,12 @@ static void clear_probe_point(struct probe_point *pp) static void show_perf_probe_event(const char *group, const char *event, const char *place, struct probe_point *pp) { - int i; + int i, ret; char buf[128]; - e_snprintf(buf, 128, "%s:%s", group, event); + ret = e_snprintf(buf, 128, "%s:%s", group, event); + if (ret < 0) + die("Failed to copy event: %s", strerror(-ret)); printf(" %-40s (on %s", buf, place); if (pp->nr_args > 0) {