On Mon, 26 Nov 2007, John Sigler wrote: > I need to change the priorities of several soft and hard IRQ handlers. > > Namely, > > o reduce the prio of "softirq-timer" handler to 10 > > o reduce the prio of IRQ14 and IRQ15 handlers to 20 > (my flash drives do not support DMA BTW...) > > o boost the prio of my I/O boards' IRQ handlers to 60 > (there can be 1 or 2 boards, the driver is a kernel module > which is loaded after the system has booted.) > > I've written a short program that calls > sched_setscheduler(pid, SCHED_FIFO, ¶m); > with the appropriate pid, which I look up using ps -ef Look for the program "chrt". It does this for you. This program is avaliable in all major distrobutions of Linux. > > I need to automate the process of tweaking priorities. > > Can someone offer advice and / or pointers? Perhaps look at one of the Start up scripts, and add the chrt command there. -- Steve - To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html