[ECOS] Fwd: [ECOS] CPU affinity in eCos

Paul D. DeRocco pderocco@ix.netcom.com
Sat Oct 24 09:03:00 GMT 2009


> From: Archana Sastry
>
> I wanted to implement something like this:
>
> 1. Maintain separate queues for each priority level. Put every
> incoming thread into its respective queue.
> 2. Dequeue threads from a queue and schedule it to run on its
> respective cpu = priority number.
>
> In my system, I have 2 CPU's. So I wanted to know, if this is a
> feasible approach?

It kind of drains the word "priority" of all meaning, if a low priority
thread is chosen over a higher priority thread merely because of the CPU its
bound to. It sounds like a hackish way to use the priority number to encode
something entirely different.

--

Ciao,               Paul D. DeRocco
Paul                mailto:pderocco@ix.netcom.com


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