tag	line	file	source code
getrusage	23	kernel/exit.c	int getrusage(struct task_struct *, int, struct rusage *);
getrusage	577	kernel/exit.c	getrusage(p, RUSAGE_BOTH, ru);
getrusage	584	kernel/exit.c	getrusage(p, RUSAGE_BOTH, ru);
getrusage	798	kernel/sys.c	return getrusage(current, who, ru);