Re: intel_pstate vs acpi-cpufreq freq scale

From	Julian Brooks <jbeezez@gmail.com>
Newsgroups	linux.debian.user
Subject	Re: intel_pstate vs acpi-cpufreq freq scale
Date	2017-01-18 02:50 +0100
Message-ID	<t0NxT-67U-7@gated-at.bofh.it> (permalink)
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After some discussion with Liquorix people (who are still not convinced by
intel_pstate)
http://techpatterns.com/forums/viewtopic.php?p=12509#12509
I'm going to try out the new 'schedutils' option with acpi-cpufreq

See how it goes eh.

Regards,

Julian

On 16 January 2017 at 23:49, Julian Brooks <jbeezez@gmail.com> wrote:

> Dear Luis,
>
> Many thanks for your input and guidance here.
>
> 'Have you tried to see if this happens with debian's official kernel?'
> Doh! Of course.
> Yes I have now, and intel_pstate is active - yay.
>
> Complete newb with any kind of kernel config/tweaking/rebuilding - need to
> do some reading-up.
>
> Thanks again,
>
> Julian
>
> On 16 January 2017 at 15:03, Luis Felipe Tabera Alonso <luisfe@lftabera.es
> > wrote:
>
>> On lunes, 16 de enero de 2017 1:13:09 (CET) Julian Brooks wrote:
>> > Hi all,
>>
>> Hi Julian,
>>
>> > Fresh install of Sid, with
>> > liquorix 4.9-3 (2017-01-07) x86_64 kernel (for RT audio work).
>> > Have also installed linrunner's TLP.
>>
>> Have you tried to see if this happens with debian's official kernel?
>>
>> > My understanding is that the x230's Ivy Bridge processor should make
>> use of
>> > intel_pstate for frequency scaling but I can't seem to load the kernel
>> > module at boot.
>>
>> Is it a module? At least on debian kernels, intel_pstate is inside the
>> kernel,
>> not as a separate module.
>>
>> $ grep -i pstate config-4.8.0-2-amd64
>> CONFIG_X86_INTEL_PSTATE=y
>>
>> however, on liquorix
>>
>> $ grep -i pstate config-4.9.0-3.2-liquorix-amd64
>> # CONFIG_X86_INTEL_PSTATE is not set
>>
>> So it seems that liquorix kernel has not compiled intel_pstate. So could
>> try
>> to recompile it as a module for your running kernel of rebuild liquorix
>> kernel
>> with intel_pstate support.
>>
>> Luis
>>
>
>

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Thread

intel_pstate vs acpi-cpufreq freq scale Julian Brooks <jbeezez@gmail.com> - 2017-01-16 02:20 +0100
  Re: intel_pstate vs acpi-cpufreq freq scale Luis Felipe Tabera Alonso <luisfe@lftabera.es> - 2017-01-16 16:20 +0100
    Re: intel_pstate vs acpi-cpufreq freq scale Julian Brooks <jbeezez@gmail.com> - 2017-01-17 00:50 +0100
      Re: intel_pstate vs acpi-cpufreq freq scale Julian Brooks <jbeezez@gmail.com> - 2017-01-18 02:50 +0100

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