We proved this a year+ ago. We've got some code brewing to do fair sharing
of IRQs for heavy load situations. I don't have all the details, but
eventually...
> i've tested the patch on both UP, SMP, XT-PIC and APIC systems, it
> correctly limits network interrupt rates (and other device interrupt
> rates) to the given limit. I've done stress-testing as well. The patch is
> against 2.4.11-pre1, but it applies just fine to the -ac tree as well.
Our solution/needs are slightly different - we want to service as many
interrupts as possible and do as much network traffic as possible, and
interactive-tasks be damned.
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