Re: [PATCH v6 1/6] gpu: rfc: Proposal for a GPU cgroup controller

From: T.J. Mercier
Date: Thu May 05 2022 - 19:56:48 EST


On Thu, May 5, 2022 at 4:29 AM Michal Koutný <mkoutny@xxxxxxxx> wrote:
>
> On Wed, May 04, 2022 at 10:16:50AM -0700, "T.J. Mercier" <tjmercier@xxxxxxxxxx> wrote:
> > However the only names that would result from this series are the
> > names of the dma-buf heaps, with "-heap" appended. So they are
> > predictable from the /dev/dma_heap/* names, and only the system and
> > cma heaps currently exist upstream.
>
> It's not so important with the read-only stats currently posted (a
> crafted sysfs file with these names would be an overlikill)...
>
> >
> > For other future uses of this controller I thought we were headed in
> > the direction of "standardized" names which would be
> > predefined/hardcoded and documented, so these names wouldn't really
> > need to be made available to a user at runtime.
> > https://lore.kernel.org/lkml/CABdmKX3gTAohaOwkNccGrQyXN9tzT-oEVibO5ZPF+eP+Vq=AOg@xxxxxxxxxxxxxx/
>
> (Ah, I see.)
>
> ...but if writers (limits) are envisioned, the keys should represent
> something that the user can derive/construct from available info -- e.g.
> the documentation.
>
> OK, so I understand current form just presents some statistics.
>
Yup, thanks for taking a look.

> Michal