pi_of
return pi_of(dl_se) != dl_se;
dl_se->deadline = rq_clock(rq) + pi_of(dl_se)->dl_deadline;
dl_se->runtime = pi_of(dl_se)->dl_runtime;
WARN_ON_ONCE(pi_of(dl_se)->dl_runtime <= 0);
dl_se->deadline = rq_clock(rq) + pi_of(dl_se)->dl_deadline;
dl_se->runtime = pi_of(dl_se)->dl_runtime;
dl_se->deadline += pi_of(dl_se)->dl_period;
dl_se->runtime += pi_of(dl_se)->dl_runtime;
left = (pi_of(dl_se)->dl_deadline >> DL_SCALE) * (dl_se->runtime >> DL_SCALE);
(pi_of(dl_se)->dl_runtime >> DL_SCALE);