tools/perf/util/thread_map.h

   1 #ifndef __PERF_THREAD_MAP_H
   2 #define __PERF_THREAD_MAP_H
   3
   4 #include <sys/types.h>
   5 #include <stdio.h>
   6 #include <linux/atomic.h>
   7
   8 struct thread_map_data {
   9         pid_t    pid;
  10         char    *comm;
  11 };
  12
  13 struct thread_map {
  14         atomic_t refcnt;
  15         int nr;
  16         struct thread_map_data map[];
  17 };
  18
  19 struct thread_map *thread_map__new_dummy(void);
  20 struct thread_map *thread_map__new_by_pid(pid_t pid);
  21 struct thread_map *thread_map__new_by_tid(pid_t tid);
  22 struct thread_map *thread_map__new_by_uid(uid_t uid);
  23 struct thread_map *thread_map__new(pid_t pid, pid_t tid, uid_t uid);
  24
  25 struct thread_map *thread_map__get(struct thread_map *map);
  26 void thread_map__put(struct thread_map *map);
  27
  28 struct thread_map *thread_map__new_str(const char *pid,
  29                 const char *tid, uid_t uid);
  30
  31 size_t thread_map__fprintf(struct thread_map *threads, FILE *fp);
  32
  33 static inline int thread_map__nr(struct thread_map *threads)
  34 {
  35         return threads ? threads->nr : 1;
  36 }
  37
  38 static inline pid_t thread_map__pid(struct thread_map *map, int thread)
  39 {
  40         return map->map[thread].pid;
  41 }
  42
  43 static inline void
  44 thread_map__set_pid(struct thread_map *map, int thread, pid_t pid)
  45 {
  46         map->map[thread].pid = pid;
  47 }
  48
  49 static inline char *thread_map__comm(struct thread_map *map, int thread)
  50 {
  51         return map->map[thread].comm;
  52 }
  53
  54 void thread_map__read_comms(struct thread_map *threads);
  55 #endif  /* __PERF_THREAD_MAP_H */