[LAU] Cpu scaling on performance, permanent

rosea.grammostola rosea.grammostola at gmail.com
Sun May 22 14:25:14 UTC 2011


On 05/22/2011 03:53 PM, Robin Gareus wrote:
> On 05/22/2011 12:15 PM, rosea.grammostola wrote:
>> Hi Robin,
>>
>> I installed your jackfreqd tool on Debian, via the deb package.
>> Do I have to do more to make this tool running properly?
> no and yes.
>
> No, the tool works OOTB.
Does the tool needs cpufrequtils?
> You can verify it by running e.g.
>      jack_cpu -c 60 # generate 60% JACK-DSP load
jack_cpu , is that a jack2 only tool? I don't have it here.
> Check the JACK-load with `jack_cpu_load` or qjackctl.
> To verify that frequency scaling works: Looking at GNOME
> CPU-Freq-Scaling-Monitor (or similar) is the easiest way; otherwise:
>      sudo watch cat /sys/devices/system/cpu/cpu*/cpufreq/cpuinfo_cur_freq
>
> ..and..
> Yes, because you may need to disable bus-frequency scaling and PCI
> power-saving in the BIOS. (here's what it says here, but your BIOS may
> differ: C1E halt state disabled,  EIST disabled,  Turbo disabled).



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