> > Using the scheduler i'm working on and setting a trigger load level of 2,
> > as soon as the idle is scheduled it'll go to grab the task waiting on the
> > other cpu and it'll make it running.
>
> That rapidly gets you thrashing around as I suspect you've found.
>
> I'm currently using the following rule in wake up
>
> if(current->mm->runnable > 0) /* One already running ? */
> cpu = current->mm->last_cpu;
Is this really a win?
I mean, if I have two tasks that can run from L2 cache, I want them on
different physical CPUs even if they share current->mm, no?
Pavel
--
"I do not steal MS software. It is not worth it."
-- Pavel Kankovsky
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