LXR linux/tools/perf/util/thread

   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
   8struct thread_map_data {
   9        pid_t    pid;
  10        char    *comm;
  11};
  12
  13struct thread_map {
  14        atomic_t refcnt;
  15        int nr;
  16        struct thread_map_data map[];
  17};
  18
  19struct thread_map_event;
  20
  21struct thread_map *thread_map__new_dummy(void);
  22struct thread_map *thread_map__new_by_pid(pid_t pid);
  23struct thread_map *thread_map__new_by_tid(pid_t tid);
  24struct thread_map *thread_map__new_by_uid(uid_t uid);
  25struct thread_map *thread_map__new(pid_t pid, pid_t tid, uid_t uid);
  26struct thread_map *thread_map__new_event(struct thread_map_event *event);
  27
  28struct thread_map *thread_map__get(struct thread_map *map);
  29void thread_map__put(struct thread_map *map);
  30
  31struct thread_map *thread_map__new_str(const char *pid,
  32                const char *tid, uid_t uid);
  33
  34struct thread_map *thread_map__new_by_tid_str(const char *tid_str);
  35
  36size_t thread_map__fprintf(struct thread_map *threads, FILE *fp);
  37
  38static inline int thread_map__nr(struct thread_map *threads)
  39{
  40        return threads ? threads->nr : 1;
  41}
  42
  43static inline pid_t thread_map__pid(struct thread_map *map, int thread)
  44{
  45        return map->map[thread].pid;
  46}
  47
  48static inline void
  49thread_map__set_pid(struct thread_map *map, int thread, pid_t pid)
  50{
  51        map->map[thread].pid = pid;
  52}
  53
  54static inline char *thread_map__comm(struct thread_map *map, int thread)
  55{
  56        return map->map[thread].comm;
  57}
  58
  59void thread_map__read_comms(struct thread_map *threads);
  60bool thread_map__has(struct thread_map *threads, pid_t pid);
  61#endif  /* __PERF_THREAD_MAP_H */
  62