linux/tools/perf/util/thread_map.h
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   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        int err_thread;
  18        struct thread_map_data map[];
  19};
  20
  21struct thread_map_event;
  22
  23struct thread_map *thread_map__new_dummy(void);
  24struct thread_map *thread_map__new_by_pid(pid_t pid);
  25struct thread_map *thread_map__new_by_tid(pid_t tid);
  26struct thread_map *thread_map__new_by_uid(uid_t uid);
  27struct thread_map *thread_map__new_all_cpus(void);
  28struct thread_map *thread_map__new(pid_t pid, pid_t tid, uid_t uid);
  29struct thread_map *thread_map__new_event(struct thread_map_event *event);
  30
  31struct thread_map *thread_map__get(struct thread_map *map);
  32void thread_map__put(struct thread_map *map);
  33
  34struct thread_map *thread_map__new_str(const char *pid,
  35                const char *tid, uid_t uid, bool all_threads);
  36
  37struct thread_map *thread_map__new_by_tid_str(const char *tid_str);
  38
  39size_t thread_map__fprintf(struct thread_map *threads, FILE *fp);
  40
  41static inline int thread_map__nr(struct thread_map *threads)
  42{
  43        return threads ? threads->nr : 1;
  44}
  45
  46static inline pid_t thread_map__pid(struct thread_map *map, int thread)
  47{
  48        return map->map[thread].pid;
  49}
  50
  51static inline void
  52thread_map__set_pid(struct thread_map *map, int thread, pid_t pid)
  53{
  54        map->map[thread].pid = pid;
  55}
  56
  57static inline char *thread_map__comm(struct thread_map *map, int thread)
  58{
  59        return map->map[thread].comm;
  60}
  61
  62void thread_map__read_comms(struct thread_map *threads);
  63bool thread_map__has(struct thread_map *threads, pid_t pid);
  64int thread_map__remove(struct thread_map *threads, int idx);
  65#endif  /* __PERF_THREAD_MAP_H */
  66