Re: [PATCH] Intel thermal monitor for x86_64 (updated)

From: Zwane Mwaikambo
Date: Thu Nov 18 2004 - 17:25:33 EST


On Thu, 18 Nov 2004, Andi Kleen wrote:

> Flooding the kmsg is as bad.
>
> I think a better strategy is to just increase the minimum check interval
> to avoid this. And then treat printk and mce_log the same.
>
> >
> > > Also the next_check logic should already handle this I guess,
> > > becaumse I assume the temperature dropping won't take
> > > that long. So I guess it would be best to drop that
> > > and if it's still a problem use a longer next_check timeout
> > > of several seconds.
> >
> > The temperature drop can take a while, i've observed 2-3 minutes if the
> > processor is also loaded and the ambient temperature is low (20C). So you
> > could lose 12 or so slots in the mce log due to the temperature ping
> > ponging.
>
> Ok then perhaps a extremly long check timeout of 5 minutes?

Agreed, i'll have something tommorrow.

Thanks for the input,
Zwane

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