Re: [RFC v5 1/6] gpu: rfc: Proposal for a GPU cgroup controller

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Hello,

On Wed, Apr 20, 2022 at 11:52:19PM +0000, T.J. Mercier wrote:
> From: Hridya Valsaraju <hridya@xxxxxxxxxx>
> 
> This patch adds a proposal for a new GPU cgroup controller for
> accounting/limiting GPU and GPU-related memory allocations.
> The proposed controller is based on the DRM cgroup controller[1] and
> follows the design of the RDMA cgroup controller.
> 
> The new cgroup controller would:
> * Allow setting per-device limits on the total size of buffers
>   allocated by device within a cgroup.
> * Expose a per-device/allocator breakdown of the buffers charged to a
>   cgroup.
> 
> The prototype in the following patches is only for memory accounting
> using the GPU cgroup controller and does not implement limit setting.
> 
> [1]: https://lore.kernel.org/amd-gfx/20210126214626.16260-1-brian.welty@xxxxxxxxx/
> 
> Signed-off-by: Hridya Valsaraju <hridya@xxxxxxxxxx>
> Signed-off-by: T.J. Mercier <tjmercier@xxxxxxxxxx>

Looks straight-forward enough from cgroup side. Are gpu folks generally
happy? David, Daniel, Kenny, what are your thoughts?

>  Documentation/gpu/rfc/gpu-cgroup.rst | 190 +++++++++++++++++++++++++++

Can you fold the important part into cgroup-v2.rst and maybe make the rest
code comments if necessary?

Thanks.

-- 
tejun



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