[linux-audio-user] soundcard sharing irq with idle devices

[Florian Schmidt]

On Friday 01 December 2006 21:53, Atte André Jensen wrote:
>
> 1) Am I right in doing this:
>          chrt -f -p 90 `pidof "IRQ 11"`
>          chrt -f -p 85 `pidof "IRQ 8"`
> provided my soundcard (+ idle stuff) is on IRQ 11 and rtc is on IRQ 8?
>
> 2) If the above is correct (or at least better than nothing) shouldn't I
> be getting at least *some* performance difference?

You should probably also set jackd to use a prio of  around 70 or so [assuming 
the other irq handlers are left to their defaults in the 50s range]..

Otherwise these other irq handlers might steal the cpu from jackd.

Flo

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