[PD] pd with -jack & -rt

Miller Puckette mpuckett at man104-1.ucsd.edu
Mon Jan 19 21:30:55 CET 2004


> 
> According to the description of sched_setscheduler the priority is used
> to determine which process to run next.
> Normal processes with scheduling policy SCHED_OTHER have priority 0.
> SCHED_FIFO processes have higher priority, and under Linux it is likely
> that pd will be the only process in this group, and therefore it will
> have precedence. In this case it is of no use to give it higher
> priority than 1, because 1 will be the highest.
> 
> If JACK is running, pd's priority will be lower than JACK's. Which
> is how it should be.
> 
> So, the change should not affect normal realtime behaviour.
> 
> Guenter
> 
well, now it's pd and jack ... in the future, there's no telling how
crowded the space of "real-time" hungry processes will get.  So maybe
it's worth finding a general way to determine which level Pd should
live at.  Perhaps it should be just below the one jack chooses (and does
anyone know that one?)

Miller





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