[LAU] Balance between performance and noise

[rosea.grammostola]

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 at 48kHz.
>    
I think there might be other variables, like ffado usage (audiofire 2), 
firewire chipset (ricoh)...