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-rw-r--r--kernel/tools/perf/util/cpumap.h84
1 files changed, 84 insertions, 0 deletions
diff --git a/kernel/tools/perf/util/cpumap.h b/kernel/tools/perf/util/cpumap.h
new file mode 100644
index 000000000..61a654849
--- /dev/null
+++ b/kernel/tools/perf/util/cpumap.h
@@ -0,0 +1,84 @@
+#ifndef __PERF_CPUMAP_H
+#define __PERF_CPUMAP_H
+
+#include <stdio.h>
+#include <stdbool.h>
+
+#include "perf.h"
+#include "util/debug.h"
+
+struct cpu_map {
+ int nr;
+ int map[];
+};
+
+struct cpu_map *cpu_map__new(const char *cpu_list);
+struct cpu_map *cpu_map__dummy_new(void);
+void cpu_map__delete(struct cpu_map *map);
+struct cpu_map *cpu_map__read(FILE *file);
+size_t cpu_map__fprintf(struct cpu_map *map, FILE *fp);
+int cpu_map__get_socket(struct cpu_map *map, int idx);
+int cpu_map__get_core(struct cpu_map *map, int idx);
+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);
+
+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 max_cpu_num;
+int max_node_num;
+int *cpunode_map;
+
+int cpu__setup_cpunode_map(void);
+
+static inline int cpu__max_node(void)
+{
+ if (unlikely(!max_node_num))
+ pr_debug("cpu_map not initialized\n");
+
+ return max_node_num;
+}
+
+static inline int cpu__max_cpu(void)
+{
+ if (unlikely(!max_cpu_num))
+ pr_debug("cpu_map not initialized\n");
+
+ return max_cpu_num;
+}
+
+static inline int cpu__get_node(int cpu)
+{
+ if (unlikely(cpunode_map == NULL)) {
+ pr_debug("cpu_map not initialized\n");
+ return -1;
+ }
+
+ return cpunode_map[cpu];
+}
+
+#endif /* __PERF_CPUMAP_H */