Re: [PATCH] drm/vkms: Add information on how to benchmark

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On Mon, 26 Feb 2024 17:42:11 -0300
Arthur Grillo <arthurgrillo@xxxxxxxxxx> wrote:

> Now that we have a defined benchmark for testing the driver, add
> documentation on how to run it.
> 
> Signed-off-by: Arthur Grillo <arthurgrillo@xxxxxxxxxx>
> ---
>  Documentation/gpu/vkms.rst | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/Documentation/gpu/vkms.rst b/Documentation/gpu/vkms.rst
> index ba04ac7c2167..6d07f79f77ff 100644
> --- a/Documentation/gpu/vkms.rst
> +++ b/Documentation/gpu/vkms.rst
> @@ -89,6 +89,12 @@ You can also run subtests if you do not want to run the entire test::
>    sudo ./build/tests/kms_flip --run-subtest basic-plain-flip --device "sys:/sys/devices/platform/vkms"
>    sudo IGT_DEVICE="sys:/sys/devices/platform/vkms" ./build/tests/kms_flip --run-subtest basic-plain-flip
>  
> +If you are developing features that may affect performance, you can run the kms_fb_stress

s/can/must/

> +benchmark::

before and after, and report the numbers.

> +
> +  sudo ./build/benchmarks/kms_fb_stress --device "sys:/sys/devices/platform/vkms"
> +  sudo IGT_DEVICE="sys:/sys/devices/platform/vkms" ./build/benchmarks/kms_fb_stress

Do people need to run both commands?

Anyway, a good idea.

Acked-by: Pekka Paalanen <pekka.paalanen@xxxxxxxxxxxxx>


Thanks,
pq

> +
>  TODO
>  ====
>  
> 
> ---
> base-commit: eeb8e8d9f124f279e80ae679f4ba6e822ce4f95f
> change-id: 20240226-bench-vkms-5b8b7aab255e
> 
> Best regards,

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