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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /tools/perf/util/cpumap.h | |
parent | Initial commit. (diff) | |
download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip |
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/perf/util/cpumap.h')
-rw-r--r-- | tools/perf/util/cpumap.h | 77 |
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 */ |