[linux] kloksnelheid aanpassen

[paai]

On 22-02-18 21:03, paai wrote:
>
>
> On 22-02-18 19:20, Frans van Berckel wrote:
>> Hans,
>>
>> On Thu, 2018-02-22 at 16:40 +0100, paai wrote:
>>> Ik heb een Acer aspire R3, die volgens de specs op 1,6 en op 2,16 Ghz
>>> kan draaien. Hij is als dual boot opgetuigd en onder Windows 10 wodt
>>> inderdaad een snelheid van 2,16 gerapporteerd. Op Linux (Kubuntu
>>> 17.10) loopt hij volgens lscpu maar op 1,6.
>>> Ik heb cpufrequtils geinstalleerd, maar die weigert de snelheid te
>>> veranderen, met wat geneuzel over userspace en governors dat ik niet
>>> begrijp.
>>> En nee, de BIOS heeft geen settings voor een turbo mode of iets
>>> dergelijks...
>> Krijg je iets van een melding? En wat doet set met zoiets als ...
>>
>> $ sudo cpufreq-set -u 2.6Ghz
>>
>> En wat zegt info? Staat daar de mode 2.6Ghz tussen.
>>
>> $ sudo cpufreq-info
>>
>> Met vriendelijke groet,
>>
> Ik kan   cpufreq-set -u 2.16Ghz
>
> doen (geen terugmelding van problemen), maar dat lijkt geen effect te 
> hebben: de waarden wisselen ook steeds.
>
> In de file:
>
> /etc/default/cpufrequtils
>
> heb ik
> GOVERNOR="performance"
> staan.
>
>
> root op stettin:/home/paai# cpufreq-info
> cpufrequtils 008: cpufreq-info (C) Dominik Brodowski 2004-2009
> Report errors and bugs to cpufreq op vger.kernel.org, please.
> analyzing CPU 0:
>   driver: intel_pstate
>   CPUs which run at the same hardware frequency: 0
>   CPUs which need to have their frequency coordinated by software: 0
>   maximum transition latency: 0.97 ms.
>   hardware limits: 480 MHz - 2.16 GHz
>   available cpufreq governors: performance, powersave
>   current policy: frequency should be within 1.60 GHz and 2.16 GHz.
>                   The governor "performance" may decide which speed to 
> use
>                   within this range.
>   current CPU frequency is 1.40 GHz.
> analyzing CPU 1:
>   driver: intel_pstate
>   CPUs which run at the same hardware frequency: 1
>   CPUs which need to have their frequency coordinated by software: 1
>   maximum transition latency: 0.97 ms.
>   hardware limits: 480 MHz - 2.16 GHz
>   available cpufreq governors: performance, powersave
>   current policy: frequency should be within 480 MHz and 2.16 GHz.
>                   The governor "powersave" may decide which speed to use
>                   within this range.
>   current CPU frequency is 2.16 GHz.
>
Hee, die was hoog!

maar de volgende check geeft weer:

cpufrequtils 008: cpufreq-info (C) Dominik Brodowski 2004-2009
Report errors and bugs to cpufreq op vger.kernel.org, please.
analyzing CPU 0:
   driver: intel_pstate
   CPUs which run at the same hardware frequency: 0
   CPUs which need to have their frequency coordinated by software: 0
   maximum transition latency: 0.97 ms.
   hardware limits: 480 MHz - 2.16 GHz
   available cpufreq governors: performance, powersave
   current policy: frequency should be within 1.60 GHz and 2.16 GHz.
                   The governor "performance" may decide which speed to use
                   within this range.
   current CPU frequency is 1.67 GHz.
analyzing CPU 1:
   driver: intel_pstate
   CPUs which run at the same hardware frequency: 1
   CPUs which need to have their frequency coordinated by software: 1
   maximum transition latency: 0.97 ms.
   hardware limits: 480 MHz - 2.16 GHz
   available cpufreq governors: performance, powersave
   current policy: frequency should be within 480 MHz and 2.16 GHz.
                   The governor "powersave" may decide which speed to use
                   within this range.
   current CPU frequency is 872 MHz.