rt kernel

Victor henri nadaeck at hotmail.com
Mon Apr 4 16:34:02 UTC 2011


I compile myself the preempt kernel usually.

> 2011/4/3 Gerhard Lang <lang.gerhard at gmail.com>:
> [...]
> > buffersize/xrun ratio. For tedious audio work on standard hardware I see no
> > more need for -rt kernels.
> I would be very happy if we could live without -rt kernel.
> > I guess there might be a little profit for audio
> > performance by compiling actual kernel cgroups disabled, no tics disabled,
> > preemptible kernel enabled and  timer frequency set to 1000hz.

For the preemptible kernel, I was aware of the "preemptible kernel" and "timer frequency = 1000Hz" options; 

Could please tell for the @ other otptions:
    - for the cgroups disabled: is it the "General Setup -> Control Group Support" set to 'no'?
    - for the "no tics" options disabled, is is the "Processor Type and Features -> High Resolution Timer Support" set to 'no'? If not, what is the option to be disabled?

> This is exactly the -lowlatency kernel.
> > optional manipulating devices' IRQ assignment and priorities like this was
> > done by rtirq should be a feature for standard kernels.
> I hope to provide soon a new -lowlatency kernel which provide that
> feature (which is available in 2.6.39).
> Ciao,
> Alessio

Thank you


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