Messages in this thread | | | Subject | Re: low priority soft RT? | From | Benny Amorsen <> | Date | 26 Jul 1999 15:00:20 +0200 |
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>>>>> "RvR" == Rik van Riel <riel@nl.linux.org> writes:
RvR> On 25 Jul 1999, Benny Amorsen wrote:
>> Would it benefit throughput if it was guaranteed that the sleeping >> process gets to go forward at the expense of the already running >> process? It would mean that processes get out of kernel mode >> quicker.
RvR> Please take a look at my SCHED_IDLE patch: RvR> http://www.nl.linux.org/~riel/patches/
RvR> It does exactly what you describe, or at least I hope so.
From my reading of the patch, it only affects processes running with a priority of SCHED_IDLE. I intended to propose that even SCHED_OTHER processes could get promoted.
Getting the penalty right so it is neither exploitable nor too harsh might be hard though. Being too harsh to a SCHED_IDLE process isn't a problem -- we are already as harsh as possible to them.
Benny
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