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5ac76283b3
Since it was always checking if the initialization was done, use that branch to do the initialization if not done already. With this we reduce the number of exported globals from these files. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kan Liang <kan.liang@intel.com> Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Stephane Eranian <eranian@google.com> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/r/20160125212955.GG22501@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
70 lines
1.7 KiB
C
70 lines
1.7 KiB
C
#ifndef __PERF_CPUMAP_H
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#define __PERF_CPUMAP_H
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#include <stdio.h>
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#include <stdbool.h>
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#include <linux/atomic.h>
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#include "perf.h"
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#include "util/debug.h"
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struct cpu_map {
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atomic_t refcnt;
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int nr;
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int map[];
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};
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struct cpu_map *cpu_map__new(const char *cpu_list);
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struct cpu_map *cpu_map__empty_new(int nr);
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struct cpu_map *cpu_map__dummy_new(void);
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struct cpu_map *cpu_map__new_data(struct cpu_map_data *data);
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struct cpu_map *cpu_map__read(FILE *file);
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size_t cpu_map__fprintf(struct cpu_map *map, FILE *fp);
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int cpu_map__get_socket_id(int cpu);
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int cpu_map__get_socket(struct cpu_map *map, int idx, void *data);
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int cpu_map__get_core_id(int cpu);
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int cpu_map__get_core(struct cpu_map *map, int idx, void *data);
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int cpu_map__build_socket_map(struct cpu_map *cpus, struct cpu_map **sockp);
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int cpu_map__build_core_map(struct cpu_map *cpus, struct cpu_map **corep);
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struct cpu_map *cpu_map__get(struct cpu_map *map);
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void cpu_map__put(struct cpu_map *map);
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static inline int cpu_map__socket(struct cpu_map *sock, int s)
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{
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if (!sock || s > sock->nr || s < 0)
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return 0;
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return sock->map[s];
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}
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static inline int cpu_map__id_to_socket(int id)
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{
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return id >> 16;
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}
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static inline int cpu_map__id_to_cpu(int id)
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{
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return id & 0xffff;
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}
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static inline int cpu_map__nr(const struct cpu_map *map)
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{
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return map ? map->nr : 1;
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}
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static inline bool cpu_map__empty(const struct cpu_map *map)
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{
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return map ? map->map[0] == -1 : true;
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}
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int cpu__setup_cpunode_map(void);
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int cpu__max_node(void);
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int cpu__max_cpu(void);
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int cpu__get_node(int cpu);
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int cpu_map__build_map(struct cpu_map *cpus, struct cpu_map **res,
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int (*f)(struct cpu_map *map, int cpu, void *data),
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void *data);
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#endif /* __PERF_CPUMAP_H */
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