Re: [PATCH v4 1/2] sched/deadline: Fix bandwidth reclaim equation in GRUB

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Hi Luca,

>
> On Fri, May 26, 2023 at 11:30 AM luca abeni <luca.abeni@xxxxxxxxxxxxxxx> wrote:
> > [...]
> > > + * but as "dq = -(max{u, (1 - Uinact - Uextra)} / Umax) dt",
> >
> > ...But I think this is wrong (should be "Umax - ...", not "1 - ...").
> > I think patch 2/2 has the same issue.
> >
> Oops sorry, I missed this. Will send the fixed patch as a
> reply to the original v4.
>
On looking again, I think the description is correct. That line
mentions the actual m-GRUB equation from the paper. And then the
comment explains why we use Umax(because of limiting the bandwidth
to RT capacity).

Does it seem correct to you?

Thanks,
Vineeth




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