Re: [PATCH] Add support for Zen 2 CPUs to amd_energy driver

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, 9 Dec 2020 at 16:33, Chatradhi, Naveen Krishna
<NaveenKrishna.Chatradhi@xxxxxxx> wrote:
>
> [AMD Official Use Only - Approved for External Use]
>
> Hi Guenter,
>
> >> This patch will require an Ack from Naveen; support for this model was previously removed due to inconsistent results; see commit f28e360f2903
> ("hwmon: (amd_energy) match for supported models"),
> I could not get hold of a board with the mentioned processor.
>
> Sandeep,
>
> Earlier, we noticed on some of the family 17h processors the core and socket energy counters are not well calibrated.
>
> While running avx-turbo work load https://github.com/travisdowns/avx-turbo as below, we noticed that for a given time,
> the sum of the energy consumed by all the cores in a socket is greater than the energy consumed by the socket itself.
>
> Can you run the avx-turbo test, with following options and confirm the results ?
>
>   ./avx-turbo --iters 10000000 --spec avx256_fma_t/8
>
> This will run AVX code on all 8 cores for about 1 second. To run it for longer, increase the --iters argument.
>
> Regards,
> Naveenk

Sure, I'll run that test. I have a 3900X though, which is 12 core, so
do I have to adjust anything for that CPU, or just run with the
parameters you've specified?

- Sandeep



[Index of Archives]     [LM Sensors]     [Linux Sound]     [ALSA Users]     [ALSA Devel]     [Linux Audio Users]     [Linux Media]     [Kernel]     [Gimp]     [Yosemite News]     [Linux Media]

  Powered by Linux