[LAD] jack / sched_deadline

Leonardo Gabrielli l.gabrielli at univpm.it
Thu Jun 19 18:51:37 UTC 2014

Hi Tim,
that's an interesting point.
Next week I'll be in Pisa, Italy, for a workshop held by some of the 
SCHED_DEADLINE guys. I'm not a serious dev but I do research and I'll be 
glad to evaluate the benefit of SCHED_DEADLINE for audio and jack, 
compared to SCHED_FIFO.


On 19/06/2014 20:21, linux-audio-dev-request at lists.linuxaudio.org wrote:
> since recent kernels provide SCHED_DEADLINE, i'm porting my code to make
> use of it.
> * is there any plan to migrate jack1 and/or jack2 to use this scheduling
> policy for the jack thread(s) of the application?
> * what is the recommended way to set the scheduling policy of the jack
> thread with the current API? afaict, the JackThreadInitCallback is
> called before JackClient::AcquireSelfRealTime in jack2. (i cannot use
> jack1 due to the old bug that jack corrupts the stack while trying to
> pre-fault it)
> thnx,
> tim


Dr. Leonardo Gabrielli, PhD student
A3Lab - Dept. Information Engineering
Università Politecnica delle Marche
via Brecce Bianche 12, 60131, Ancona, Italy
Skype: leonardo.gabrielli
Web: a3lab.dii.univpm.it/people/leonardo-gabrielli

More information about the Linux-audio-dev mailing list