linux-kernel - Re: A nice CPU resource controller

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Message-ID: <44F6B80D.2020409@control.lth.se>
Date:	Thu, 31 Aug 2006 12:21:01 +0200
From:	Martin Ohlin <martin.ohlin@...trol.lth.se>
To:	balbir@...ibm.com
CC:	linux-kernel@...r.kernel.org
Subject: Re: A nice CPU resource controller

Balbir Singh wrote:

> The CKRM e-series is a PID based CPU Controller. It did a good job of
> controlling and smoothing out the load (and variations) and even
> worked with groups. But it achieved all this through some amount of
> complexity.

I have now downloaded and looked at the code you refer to. But as far as 
I can see, the PID controller is only used for load balancing between 
CPUs, not for controlling the bandwidth/time of individual tasks. Is 
this correct or did I miss something?

/Martin
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