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

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On 27/02/24 06:19, Pekka Paalanen wrote:
> 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.

Did you mean to write the benchmarks logs here?

> 
>> +
>> +  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?

No, they don't, just two options.

Best Regards,
~Arthur Grillo

> 
> 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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