LXR linux/tools/perf/util/thread

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef __PERF_THREAD_MAP_H
   3#define __PERF_THREAD_MAP_H
   4
   5#include <sys/types.h>
   6#include <stdio.h>
   7#include <linux/refcount.h>
   8
   9struct thread_map_data {
  10        pid_t    pid;
  11        char    *comm;
  12};
  13
  14struct thread_map {
  15        refcount_t refcnt;
  16        int nr;
  17        struct thread_map_data map[];
  18};
  19
  20struct thread_map_event;
  21
  22struct thread_map *thread_map__new_dummy(void);
  23struct thread_map *thread_map__new_by_pid(pid_t pid);
  24struct thread_map *thread_map__new_by_tid(pid_t tid);
  25struct thread_map *thread_map__new_by_uid(uid_t uid);
  26struct thread_map *thread_map__new(pid_t pid, pid_t tid, uid_t uid);
  27struct thread_map *thread_map__new_event(struct thread_map_event *event);
  28
  29struct thread_map *thread_map__get(struct thread_map *map);
  30void thread_map__put(struct thread_map *map);
  31
  32struct thread_map *thread_map__new_str(const char *pid,
  33                const char *tid, uid_t uid);
  34
  35struct thread_map *thread_map__new_by_tid_str(const char *tid_str);
  36
  37size_t thread_map__fprintf(struct thread_map *threads, FILE *fp);
  38
  39static inline int thread_map__nr(struct thread_map *threads)
  40{
  41        return threads ? threads->nr : 1;
  42}
  43
  44static inline pid_t thread_map__pid(struct thread_map *map, int thread)
  45{
  46        return map->map[thread].pid;
  47}
  48
  49static inline void
  50thread_map__set_pid(struct thread_map *map, int thread, pid_t pid)
  51{
  52        map->map[thread].pid = pid;
  53}
  54
  55static inline char *thread_map__comm(struct thread_map *map, int thread)
  56{
  57        return map->map[thread].comm;
  58}
  59
  60void thread_map__read_comms(struct thread_map *threads);
  61bool thread_map__has(struct thread_map *threads, pid_t pid);
  62int thread_map__remove(struct thread_map *threads, int idx);
  63#endif  /* __PERF_THREAD_MAP_H */
  64