linux/tools/perf/util/thread_map.h
Jiri Olsa 5966094239 perf thread_map: Add thread_map__new_event function
Introducing the thread_map__new_event function to create a struct
thread_map object from a thread_map event.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Kan Liang <kan.liang@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1445784728-21732-6-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-12-17 14:38:16 -03:00

59 lines
1.4 KiB
C

#ifndef __PERF_THREAD_MAP_H
#define __PERF_THREAD_MAP_H
#include <sys/types.h>
#include <stdio.h>
#include <linux/atomic.h>
struct thread_map_data {
pid_t pid;
char *comm;
};
struct thread_map {
atomic_t refcnt;
int nr;
struct thread_map_data map[];
};
struct thread_map_event;
struct thread_map *thread_map__new_dummy(void);
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_by_uid(uid_t uid);
struct thread_map *thread_map__new(pid_t pid, pid_t tid, uid_t uid);
struct thread_map *thread_map__new_event(struct thread_map_event *event);
struct thread_map *thread_map__get(struct thread_map *map);
void thread_map__put(struct thread_map *map);
struct thread_map *thread_map__new_str(const char *pid,
const char *tid, uid_t uid);
size_t thread_map__fprintf(struct thread_map *threads, FILE *fp);
static inline int thread_map__nr(struct thread_map *threads)
{
return threads ? threads->nr : 1;
}
static inline pid_t thread_map__pid(struct thread_map *map, int thread)
{
return map->map[thread].pid;
}
static inline void
thread_map__set_pid(struct thread_map *map, int thread, pid_t pid)
{
map->map[thread].pid = pid;
}
static inline char *thread_map__comm(struct thread_map *map, int thread)
{
return map->map[thread].comm;
}
void thread_map__read_comms(struct thread_map *threads);
#endif /* __PERF_THREAD_MAP_H */