[Tfug] Throttling cpu based on cpu temp?

Timothy D. Lenz tlenz at vorgon.com
Fri Mar 15 13:37:06 MST 2013


When I first setup a governor up, I used a a module that didn't come 
with the kernel. It is possible to make your own governor modules if you 
can code. Their is/was a user governor option for this. Try these 
keywords on google:

linux cpu userspace governor

On 3/15/2013 7:16 AM, Claude Rubinson wrote:
> On Thu, Mar 14, 2013 at 09:45:02PM -0700, Timothy D. Lenz wrote:
>> Don't know about based on heat. can throttle based on load if supported:
>
> Right, but the problem here is sustained load, and the governors don't
> take this into account.  So if my processor is maxing out on a task
> for a handful of seconds (e.g., a statistical analysis), that's not a
> problem and I'm happy for it to scale up temporarily.  But if it
> sustains this for more than a couple of minutes (e.g., transcoding a
> DVD), then the temperature begins to crawl up.
>
> While I could just limit the cpu's maximum frequency, my preference is
> to only do so when necessary.
>
> The underlying cause might be that the fan isn't spinning up quickly
> enough and/or spinning fast enough, so I'm investigating that as well.
>
> Claude
>
>
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