Re: [PATCH v6 11/16] sched/fair: Add uclamp support to energy_compute()

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On Tuesday 22 Jan 2019 at 15:01:37 (+0000), Patrick Bellasi wrote:
> > I'm not saying it's useful, I'm saying userspace can decide to do that
> > if it thinks it is a good idea. The default should be min_cap = 1024 for
> > RT, no questions. But you _can_ change it at runtime if you want to.
> > That's my point. And doing that basically provides the same behaviour as
> > what we have right now in terms of EAS calculation (but it changes the
> > freq selection obviously) which is why I'm not fundamentally opposed to
> > your patch.
> 
> Well, I think it's tricky to say whether the current or new approach
> is better... it probably depends on the use-case.

Agreed.

> > So in short, I'm fine with the behavioural change, but please at least
> > mention it somewhere :-)
> 
> Anyway... agree, it's just that to add some documentation I need to
> get what you are pointing out ;)
> 
> Will come up with some additional text to be added to the changelog

Sounds good.

> Maybe we can add a more detailed explanation of the different
> behaviors you can get in the EAS documentation which is coming to
> mainline ?

Yeah, if you feel like it, I guess that won't hurt :-)

Thanks,
Quentin



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