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SubjectRe: [Discuss] [PATCH] ipmi: use round_jiffies on timers to reduce timer overhead/wakeups
Corey Minyard wrote:
> Certainly. Yes, some (probably most) IPMI hardware does not use
> interrupts, and unfortunately, it's not just older machines. The driver
> used to poll more slowly, but in many cases the performance was
> unacceptable.

... but now it burns quite a bit of power (I'd not be surprised if it is 10 Watts extra on a 70W server)

is there any way to poll slowly until there is active ipmi traffic, during which we can then poll a bit faster.
... and then go back to slow polling when there is an ipmi idle period ?


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