timeradd(&rus->ru_utime, &rus->ru_stime, &total);
total_ms = total.tv_sec*1000 + total.tv_usec/1000;
gettimeofday(&now, NULL);
- // FIXME: We are not guaranteed to have start_time always initialized
timersub(&now, &start_time, &wall);
wall_ms = wall.tv_sec*1000 + wall.tv_usec/1000;