extern struct json_object * show_thread_status(struct thread_stat *ts, struct group_run_stats *rs, struct flist_head *, struct buf_output *);
extern void show_group_stats(struct group_run_stats *rs, struct buf_output *);
extern struct json_object * show_thread_status(struct thread_stat *ts, struct group_run_stats *rs, struct flist_head *, struct buf_output *);
extern void show_group_stats(struct group_run_stats *rs, struct buf_output *);