2 files changed, 26 insertions, 0 deletions
diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c
index 20e3a75953fc..8624948b4f1d 100644
--- a/tools/perf/util/cpumap.c
+++ b/tools/perf/util/cpumap.c
@@ -586,3 +586,21 @@ const struct perf_cpu_map *cpu_map__online(void) /* thread unsafe */
 
 	return online;
 }
+
+bool cpu_map__compare_aggr_cpu_id(struct aggr_cpu_id a, struct aggr_cpu_id b)
+{
+	return a.id == b.id;
+}
+
+bool cpu_map__aggr_cpu_id_is_empty(struct aggr_cpu_id a)
+{
+	return a.id == -1;
+}
+
+struct aggr_cpu_id cpu_map__empty_aggr_cpu_id(void)
+{
+	struct aggr_cpu_id ret = {
+		.id = -1
+	};
+	return ret;
+}
diff --git a/tools/perf/util/cpumap.h b/tools/perf/util/cpumap.h
index 3a442f021468..1cdccc69cd4b 100644
--- a/tools/perf/util/cpumap.h
+++ b/tools/perf/util/cpumap.h
@@ -7,6 +7,10 @@
 #include <internal/cpumap.h>
 #include <perf/cpumap.h>
 
+struct aggr_cpu_id {
+	int id;
+};
+
 struct perf_record_cpu_map_data;
 
 struct perf_cpu_map *perf_cpu_map__empty_new(int nr);
@@ -64,4 +68,8 @@ int cpu_map__build_map(struct perf_cpu_map *cpus, struct perf_cpu_map **res,
 int cpu_map__cpu(struct perf_cpu_map *cpus, int idx);
 bool cpu_map__has(struct perf_cpu_map *cpus, int cpu);
 
+bool cpu_map__compare_aggr_cpu_id(struct aggr_cpu_id a, struct aggr_cpu_id b);
+bool cpu_map__aggr_cpu_id_is_empty(struct aggr_cpu_id a);
+struct aggr_cpu_id cpu_map__empty_aggr_cpu_id(void);
+
 #endif /* __PERF_CPUMAP_H */