taglinefilesource code
nsec1288kernel/sched.clong nsec = value->tv_nsec;
nsec1292kernel/sched.cnsec += 1000000000L / HZ - 1;
nsec1293kernel/sched.cnsec /= 1000000000L / HZ;
nsec1294kernel/sched.creturn HZ * sec + nsec;