Re: [PATCH -next] sched/deadline: Add start_new_instance helper

From: Daniel Bristot de Oliveira
Date: Fri Aug 26 2022 - 04:57:35 EST


On 8/26/22 09:40, shangxiaojing wrote:
>> again, this is not a good function name. Maybe, dl_replenish_new_period() ?
>
> right, i have thought like replenish_new_instance, but when i'm making
> patch,  i was worried that "replenish" is only for ENQUEUE_REPLENISH.

I see, but that is a flag, not the action.

> what about dl_start_new_period? which means a new deadline will be set, rather than

The thing it is doing is replenishing...

>     dl_se->deadline += pi_of(dl_se)->dl_period;
>
> in replenish_dl_entity.

that is why I added "new_period".... so replenish_dl_new_period() to keep the consistency.

>>> +static inline void start_new_instance(struct sched_dl_entity *dl_se, struct rq *rq)
>>>
>>> +{
>>> +    /* for non-boosted task, 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;
>>> +}
>>> +
>> -- Daniel

-- Daniel