Re: CPU affinity

Rik van Riel (riel@humbolt.nl.linux.org)
Wed, 14 Apr 1999 14:05:43 +0200 (CEST)


On Wed, 14 Apr 1999, Ingo Molnar wrote:
> On Wed, 14 Apr 1999, Rik van Riel wrote:

> > } else if (p->processor != this_cpu)
> > weight = -1;
> > <--
> > return weight;
>
> the problem you are trying to solve is IMO elsewhere. The above change
> makes a difference only if all runnable processes have a zero-counter,
> ie. counter recalculation is due. The simple solution is to simply
> repeat the goodness() run after recalculation ... I did this some
> time ago and it showed no measureable effect.

OK. If you have measured the effect and not found it
worthwhile then I guess it isn't worthwhile. Period.

(ObCynicalBystander: this is not a sarcastic remark,
it's just that Ingo usually _is_ right.)

Rik -- Open Source: you deserve to be in control of your data.
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