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_event;
  20
  21 struct thread_map *thread_map__new_dummy(void);
  22 struct thread_map *thread_map__new_by_pid(pid_t pid);
  23 struct thread_map *thread_map__new_by_tid(pid_t tid);
  24 struct thread_map *thread_map__new_by_uid(uid_t uid);
  25 struct thread_map *thread_map__new(pid_t pid, pid_t tid, uid_t uid);
  26 struct thread_map *thread_map__new_event(struct thread_map_event *event);
  27
  28 struct thread_map *thread_map__get(struct thread_map *map);
  29 void thread_map__put(struct thread_map *map);
  30
  31 struct thread_map *thread_map__new_str(const char *pid,
  32                 const char *tid, uid_t uid);
  33
  34 size_t thread_map__fprintf(struct thread_map *threads, FILE *fp);
  35
  36 static inline int thread_map__nr(struct thread_map *threads)
  37 {
  38         return threads ? threads->nr : 1;
  39 }
  40
  41 static inline pid_t thread_map__pid(struct thread_map *map, int thread)
  42 {
  43         return map->map[thread].pid;
  44 }
  45
  46 static inline void
  47 thread_map__set_pid(struct thread_map *map, int thread, pid_t pid)
  48 {
  49         map->map[thread].pid = pid;
  50 }
  51
  52 static inline char *thread_map__comm(struct thread_map *map, int thread)
  53 {
  54         return map->map[thread].comm;
  55 }
  56
  57 void thread_map__read_comms(struct thread_map *threads);
  58 #endif  /* __PERF_THREAD_MAP_H */