[X-Unix] limit cpu usage
James Bucanek
subscriber at gloaming.com
Mon Nov 29 07:37:25 PST 2004
Michael Winter wrote on Monday, November 29, 2004:
>
>On Nov 26, 2004, at 9:06 AM, James Bucanek wrote:
>
>> And I've never heard a compelling argument as to why an idle CPU
>> should be kept idle when you have a process that's ready to run.
>
>The only reasons I've heard for doing this is to artificially slow down
>the processor to reduce power use on a portable running off a battery
>or to keep the processor running cooler. I've never had to consider
>doing this, but those are the reasons I've heard others mention.
But don't processors designed for laptops usually implement some kind of "low power" mode that runs the processor at a reduced clock speed to conserve power and reduce heat? It would make a lot more sense to implement some kernal extension that would simply "down shift" the processor when running tasks with a lower priority.
What I'm really saying is this: A problem with laptop power consumption should be solved for laptops. Don't introduce a whole new class of resource management mechanisms to be (ab)used where there isn't any rational need.
(Just my opinion)
James
--
James Bucanek <mailto:privatereply at gloaming.com>
More information about the X-Unix
mailing list