1 files changed, 36 insertions, 1 deletions

diff --git a/tools/perf/pmu-events/empty-pmu-events.c b/tools/perf/pmu-events/empty-pmu-events.c
index 4182a986f505..216ea0482c37 100644
--- a/tools/perf/pmu-events/empty-pmu-events.c
+++ b/tools/perf/pmu-events/empty-pmu-events.c
@@ -6,6 +6,8 @@
  * The test cpu/soc is provided for testing.
  */
 #include "pmu-events/pmu-events.h"
+#include <string.h>
+#include <stddef.h>
 
 static const struct pmu_event pme_test_soc_cpu[] = {
 	{
@@ -145,7 +147,12 @@ static const struct pmu_event pme_test_soc_sys[] = {
 	},
 };
 
-const struct pmu_sys_events pmu_sys_event_tables[] = {
+struct pmu_sys_events {
+	const char *name;
+	const struct pmu_event *table;
+};
+
+static const struct pmu_sys_events pmu_sys_event_tables[] = {
 	{
 		.table = pme_test_soc_sys,
 		.name = "pme_test_soc_sys",
@@ -154,3 +161,31 @@ const struct pmu_sys_events pmu_sys_event_tables[] = {
 		.table = 0
 	},
 };
+
+const struct pmu_event *find_sys_events_table(const char *name)
+{
+	for (const struct pmu_sys_events *tables = &pmu_sys_event_tables[0];
+	     tables->name;
+	     tables++) {
+		if (!strcmp(tables->name, name))
+			return tables->table;
+	}
+	return NULL;
+}
+
+int pmu_for_each_sys_event(pmu_event_iter_fn fn, void *data)
+{
+	for (const struct pmu_sys_events *tables = &pmu_sys_event_tables[0];
+	     tables->name;
+	     tables++) {
+		for (const struct pmu_event *pe = &tables->table[0];
+		     pe->name || pe->metric_group || pe->metric_name;
+		     pe++) {
+			int ret = fn(pe, data);
+
+			if (ret)
+				return ret;
+		}
+	}
+	return 0;
+}