power saving

Teresa e Junior teresaejunior at gmail.com
Mon Dec 11 23:57:31 UTC 2017


Em 11/12/2017 18:11, Xen escreveu:
> Teresa e Junior schreef op 11-12-2017 20:57:
>> Em 11/12/2017 15:31, Xen escreveu:
>>>
>>> The default profiler activated by the Linux kernel is apparently 
>>> "performance" which never lowers the frequency.
>>>
>>> The "cpufrequtils" package does nothing other than set the profiler 
>>> at boot and provide utils to set and read it.
>>
>> That's interesting. I'm on Xubuntu 17.10 with the default Ubuntu
>> kernel, and it is currently set to "powersave" without cpufrequtils
>> installed, although there is CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
>> on /boot/config-$(uname -r).
>>
>> So I don't really know what is controlling these settings on my laptop.
> 
> Is there a power settings dialog screen in Xubuntu?
> 
> KDE doesn't seem to have it.
> 
> But "powersave" is not exactly ideal.
> 
> I would say "conservative" is ideal if you want to save power,
> 
> but powersave handicaps your CPU... :-/ ?.
> 

Yes, there is the xfce4-power-manager, but it has no options for dealing 
with the CPU, only things like screen brightness, actions on low 
battery, etc.



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