linux/sched/cputime.h

65  * get_running_cputimer - return &tsk->signal->cputimer if cputimers are active
73 	struct thread_group_cputimer *cputimer = &tsk->signal->cputimer;
89 	 * and thread group cputimer accounting, lets also ignore the cputime
99 	return cputimer;
122 	struct thread_group_cputimer *cputimer = get_running_cputimer(tsk);
124 	if (!cputimer)
127 	atomic64_add(cputime, &cputimer->cputime_atomic.utime);
143 	struct thread_group_cputimer *cputimer = get_running_cputimer(tsk);
145 	if (!cputimer)
148 	atomic64_add(cputime, &cputimer->cputime_atomic.stime);
164 	struct thread_group_cputimer *cputimer = get_running_cputimer(tsk);
166 	if (!cputimer)
169 	atomic64_add(ns, &cputimer->cputime_atomic.sum_exec_runtime);