[LAU] Isolating/dedicating Interrupts

Jeremy Jongepier jeremy at autostatic.com
Mon Nov 23 18:45:54 UTC 2015

Hello Ede,

On 11/23/2015 06:38 PM, Ede Wolf wrote:
> So adding isolcpus=7 to your kernel parameters and running jack (and
> maybe zita bridge) with tasksel -c 7? And maybe even bind that soundcard
> IRQ to that CPU as well?
> Since jack does not support smp anyway, there is nothing to lose, but
> some given away CPU cycles, as that CPU will be bored and not be
> available for other tasks.

Jack2 does support SMP so I wouldn't pin that to one CPU. If you use
Jack1 it might be an option but I wonder how much you would gain with
that. I really think it would be better to not try meddling with
scheduling IRQ requests yourself and have the system handle it. Just my
2¢ ;)


-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 836 bytes
Desc: OpenPGP digital signature
URL: <http://lists.linuxaudio.org/pipermail/linux-audio-user/attachments/20151123/79f15c3f/attachment.pgp>

More information about the Linux-audio-user mailing list