Messages in this thread | | | Date | Mon, 6 Jun 2011 13:58:23 +0200 | From | Monica Puig-Pey <> | Subject | Re: Changing Kernel thread priorities |
| |
El 06/06/11 13:54, Rolando Martins escribió: > Hi, > I use the following: > > PIDs=$(ps -eLo pid,cls,rtprio,pri,nice,cmd | grep -i "irq" | awk '{ > print $1; }' | xargs echo) > for i in $PIDs > do > ret=$(chrt -f -p 99 $i) > done > > This will change the kernel thread associated with an irq handler to > RT FIFO prio 99. > Just change the script to your specific interrupt. > > Hope it helps, > Rolando > > On Mon, Jun 6, 2011 at 12:47 PM, Monica Puig-Pey<puigpeym@unican.es> wrote: >> I am writing a driver which has one kernel thread associated with it. >> I want to change the priority of this thread, so that I can specify the >> order in which it is scheduled following an interrupt. >> I'm using: >> >> sched_setscheduler(struct task_struct *, int, struct sched_param *); >> >> but it doesn't work. I tried to change the priority from the init_module, >> and also from the Kernel Thread, but there is no way. >> >> Kernel version is 2.6.31-11-rt >> >> What do I call to change a kernel thread priority? >> >> Thanks you very much >> >> Mónica >> >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in >> the body of a message to majordomo@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html >>
I need to change the priority from inside the driver, when creating the kernel thread. Your script is useful but it is done in user context, Any other help please?
Mónica
-- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |