Re: [PATCH][RSDL-mm 0/7] RSDL cpu scheduler for 2.6.21-rc3-mm2

From: Mike Galbraith
Date: Mon Mar 12 2007 - 04:56:06 EST


On Mon, 2007-03-12 at 19:29 +1100, Con Kolivas wrote:

> I'll save you the trouble. I just checked myself and indeed the load is only
> 1. What this means is that although there are 2 tasks running, only one is
> running at any time making a total load of 1. So, if we add two other tasks
> that add 2 more to the load the total load is 3. However if we weight the
> other two tasks at nice 5, they only add .75 each to the load making a
> weighted total of 2.5. This means that X+Gforce together should get a total
> of 1/2.5 or 40% of the overall cpu. That sounds like exactly what you're
> describing is happening.

Hmm. So... anything that's client/server is going to suffer horribly
unless niced tasks are niced all the way down to 19?

-Mike

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