1 files changed, 77 insertions, 0 deletions
diff --git a/tools/perf/util/cpumap.h b/tools/perf/util/cpumap.h
new file mode 100644
index 000000000..ed8999d1a
--- /dev/null
+++ b/tools/perf/util/cpumap.h
@@ -0,0 +1,77 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __PERF_CPUMAP_H
+#define __PERF_CPUMAP_H
+
+#include <stdio.h>
+#include <stdbool.h>
+#include <linux/refcount.h>
+
+#include "perf.h"
+#include "util/debug.h"
+
+struct cpu_map {
+	refcount_t refcnt;
+	int nr;
+	int map[];
+};
+
+struct cpu_map *cpu_map__new(const char *cpu_list);
+struct cpu_map *cpu_map__empty_new(int nr);
+struct cpu_map *cpu_map__dummy_new(void);
+struct cpu_map *cpu_map__new_data(struct cpu_map_data *data);
+struct cpu_map *cpu_map__read(FILE *file);
+size_t cpu_map__snprint(struct cpu_map *map, char *buf, size_t size);
+size_t cpu_map__snprint_mask(struct cpu_map *map, char *buf, size_t size);
+size_t cpu_map__fprintf(struct cpu_map *map, FILE *fp);
+int cpu_map__get_socket_id(int cpu);
+int cpu_map__get_socket(struct cpu_map *map, int idx, void *data);
+int cpu_map__get_core_id(int cpu);
+int cpu_map__get_core(struct cpu_map *map, int idx, void *data);
+int cpu_map__build_socket_map(struct cpu_map *cpus, struct cpu_map **sockp);
+int cpu_map__build_core_map(struct cpu_map *cpus, struct cpu_map **corep);
+
+struct cpu_map *cpu_map__get(struct cpu_map *map);
+void cpu_map__put(struct cpu_map *map);
+
+static inline int cpu_map__socket(struct cpu_map *sock, int s)
+{
+	if (!sock || s > sock->nr || s < 0)
+		return 0;
+	return sock->map[s];
+}
+
+static inline int cpu_map__id_to_socket(int id)
+{
+	return id >> 16;
+}
+
+static inline int cpu_map__id_to_cpu(int id)
+{
+	return id & 0xffff;
+}
+
+static inline int cpu_map__nr(const struct cpu_map *map)
+{
+	return map ? map->nr : 1;
+}
+
+static inline bool cpu_map__empty(const struct cpu_map *map)
+{
+	return map ? map->map[0] == -1 : true;
+}
+
+int cpu__setup_cpunode_map(void);
+
+int cpu__max_node(void);
+int cpu__max_cpu(void);
+int cpu__max_present_cpu(void);
+int cpu__get_node(int cpu);
+
+int cpu_map__build_map(struct cpu_map *cpus, struct cpu_map **res,
+		       int (*f)(struct cpu_map *map, int cpu, void *data),
+		       void *data);
+
+int cpu_map__cpu(struct cpu_map *cpus, int idx);
+bool cpu_map__has(struct cpu_map *cpus, int cpu);
+int cpu_map__idx(struct cpu_map *cpus, int cpu);
+#endif /* __PERF_CPUMAP_H */