thread_group_cputime_adjusted
thread_group_cputime_adjusted(task, &utime, &stime);
extern void thread_group_cputime_adjusted(struct task_struct *p, u64 *ut, u64 *st);
thread_group_cputime_adjusted(p, &tgutime, &tgstime);
thread_group_cputime_adjusted(current, &tgutime, &tgstime);
thread_group_cputime_adjusted(p, &tgutime, &tgstime);