Re: problems trying to use powerd with Xeon E5-2690 on HP ProLiant DL380p

From: void <void_at_f-m.fm>
Date: Thu, 10 Aug 2023 00:21:04 UTC
Hi Mark,

On Wed, Aug 09, 2023 at 07:52:59PM -0400, Mark Saad wrote:

>Hi void
>   It will work , you will need to re-enable c-states and p-states 
>etc in the bios . Dmesg is only showing the cpu has the options but 
>the bios controls the ability to use it . Iirc hp has some opaque 
>options to enable high performance mode in the bios . This usually 
>kills most of the power management stuff .  Google for low latency 
>tunings for your model and chances are you will find a pdf with 
>options for making the host eat more power and improve latency as 
>well as options that save power at the expense of increasing latency.

Many thanks for this!
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