1. 根目录:
2. tools
3. perf
4. util
5. thread_map.h

#ifndef __PERF_THREAD_MAP_H
#define __PERF_THREAD_MAP_H

#include <sys/types.h>

struct thread_map {
	int nr;
	int map[];
};

struct thread_map *thread_map__new_by_pid(pid_t pid);
struct thread_map *thread_map__new_by_tid(pid_t tid);
struct thread_map *thread_map__new(pid_t pid, pid_t tid);
void thread_map__delete(struct thread_map *threads);
#endif	/* __PERF_THREAD_MAP_H */