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-rw-r--r--tools/perf/util/parse-events.c6
-rw-r--r--tools/perf/util/parse-events.y10
2 files changed, 16 insertions, 0 deletions
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index e34c81a0bcf3..e75628813968 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -645,6 +645,12 @@ int parse_events_add_pmu(struct list_head *list, int *idx,
memset(&attr, 0, sizeof(attr));
+ if (!head_config) {
+ attr.type = pmu->type;
+ evsel = __add_event(list, idx, &attr, NULL, pmu->cpus);
+ return evsel ? 0 : -ENOMEM;
+ }
+
if (perf_pmu__check_alias(pmu, head_config, &unit, &scale))
return -EINVAL;
diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y
index 0bc87ba46bf3..55fab6ad609a 100644
--- a/tools/perf/util/parse-events.y
+++ b/tools/perf/util/parse-events.y
@@ -210,6 +210,16 @@ PE_NAME '/' event_config '/'
parse_events__free_terms($3);
$$ = list;
}
+|
+PE_NAME '/' '/'
+{
+ struct parse_events_evlist *data = _data;
+ struct list_head *list;
+
+ ALLOC_LIST(list);
+ ABORT_ON(parse_events_add_pmu(list, &data->idx, $1, NULL));
+ $$ = list;
+}
value_sym:
PE_VALUE_SYM_HW