(int) (((char *) sbrk(0)) - ((char *) track->brk_start)),
timeval_subtract(&time_end, &track->time_start),
timeval_subtract(&r.ru_utime, &track->user_start),
(int) (((char *) sbrk(0)) - ((char *) track->brk_start)),
timeval_subtract(&time_end, &track->time_start),
timeval_subtract(&r.ru_utime, &track->user_start),