Re: [LAU] Balance between performance and noise

From: rosea.grammostola <rosea.grammostola@email-addr-hidden>
Date: Thu Dec 09 2010 - 19:41:56 EET

On 12/09/2010 06:35 PM, Robin Gareus wrote:
> On 11/27/10 13:11, Arnold Krille wrote:
>
>> Set ther cpu-governor to performance (so it doesn't switch frequencies which
>> produces xruns) but reduce the maximum allowed frequency.
>>
> what kernel are you running?
>
> I do have realtime-kernels (2.6.31.12-rt21, 2.6.33.7-rt29) running on 4
> PCs/Laptops (Intel core duo 32bit, Intel Core 2 Duo 64bit, Atom and an
> Intel-i5) and on none of them frequency-scaling ever caused any x-runs.
> The ondemand governor is ruling them all.
>
> It /might/ be an issue with other CPUs or mainboards.. or non-RT
> systems, or with extreme low latency. But I'm not seeing any issues with
> freq scaling even at 32*2@email-addr-hidden.
>
I think there might be other variables, like ffado usage (audiofire 2),
firewire chipset (ricoh)...
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Received on Thu Dec 9 20:15:03 2010

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