tag	line	file	source code
who	340	include/unistd.h	int getrusage(int who, struct rusage *rusage);
who	462	kernel/sys.c	int sys_getrusage(int who, struct rusage *ru)
who	467	kernel/sys.c	if (who != RUSAGE_SELF && who != RUSAGE_CHILDREN)
who	471	kernel/sys.c	if (who == RUSAGE_SELF) {