Re: [PATCH v5 1/2] sched/rt: Clean up usage of rt_task()

Daniel Bristot de Oliveira
2024-06-05T14:07:45Z

On 6/5/24 15:24, Qais Yousef wrote:
>>> But rt is a shortened version of realtime, and so it is making *it less*
>>> clear that we also have DL here.
>> Can SCHED_DL be considered a real-time scheduling class as in opposite
>> to SCHED_BATCH for instance? Due to its requirements it fits for a real
>> time scheduling class, right?
>> And RT (as in real time) already includes SCHED_RR and SCHED_FIFO.
> Yeah I think the usage of realtime to cover both makes sense. I followed your
> precedence with task_is_realtime().
>
> Anyway. If people really find this confusing, what would make sense is to split
> them and ask users to call rt_task() and dl_task() explicitly without this
> wrapper. I personally like it better with the wrapper. But happy to follow the
> crowd.

For me, doing dl_ things it is better to keep them separate, so I can
easily search for dl_ specific checks.

rt_or_dl_task(p);

would also make it clear that we have both.

-- Daniel