Messages in this thread | | | From | Ed Tomlinson <> | Subject | Re: [PATCH,RFC] fix o(1) handling of threads | Date | Mon, 30 Dec 2002 17:32:21 -0500 |
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On December 30, 2002 05:50 pm, Alan Cox wrote: > Very interesting, but I'll note there are actually two groupings to > solve - per user and per threadgroup. Also for small numbers of threads > you don't want to punish a task and ruin its balancing across CPUs
This easily tuneable. As its set now 2 in queue threads from the same group are not punished, 3 and they have their timeslices halfed. Setting THREAD_PENALTY to 65 means no adjustments till 4 in queue threads exist.
> Have you looked at the per user fair share stuff too ?
No but a varient of the same code could be cooked up - interested?. As I am the only real user here is not much of an issue. Anyone have boxes that can be used to test per user throttles?
Ed Tomlinson
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