Messages in this thread | | | From | Con Kolivas <> | Subject | Re: SD_SHARE_CPUPOWER breaks scheduler fairness | Date | Thu, 2 Jun 2005 07:37:16 +1000 |
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On Thu, 2 Jun 2005 04:41, Steve Rotolo wrote: > I guess the bottom-line is: given N logical cpus, 1/N of all > SCHED_NORMAL tasks may get stuck on a sibling cpu with no chance to > run. All it takes is one spinning SCHED_FIFO task. Sounds like a bug.
You're right, and excuse me for missing it. We have to let SCHED_NORMAL tasks run for some period with rt tasks. There shouldn't be any combination of mutually exclusive tasks for siblings.
I'll work on something.
Cheers, Con [unhandled content-type:application/pgp-signature] | |