Re: [PATCH,RFC] fix o(1) handling of threads

[Ed Tomlinson]

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