DragonFly kernel List (threaded) for 2006-12
DragonFly BSD
DragonFly kernel List (threaded) for 2006-12
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Re: What do people think about adaptive polling?


From: "Simon 'corecode' Schubert" <corecode@xxxxxxxxxxxx>
Date: Tue, 12 Dec 2006 13:08:23 +0100

Hasso Tepper wrote:
Note that NAPI isn't just adaptive polling algorithm, but also splitting
interrupt work into to parts (hardware interrupt handler and softirq). This
might be big contributor to the win from using both in the same time as
well.

I think that's the equivalent of fast and slow interrupts in bsd. we basically (with some exceptions, like serial io) do all the work in the slow interrupt handler (= interrupt thread).


cheers
 simon

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