Re: interrupt latency

Jonathan Lundell (linux@lundell-bros.com)
Wed, 28 Aug 2002 07:25:01 -0700

At 7:41 am -0600 8/28/02, yodaiken@fsmlabs.com wrote:
>Average and worst case are different.

I can believe that. The explanation that jumps to mind is PCI bus
contention because of DMA, causing the inb to stall or to get
repeatedly retried. 13us seems a little extreme, but not completely
impossible.

-- 
/Jonathan Lundell.
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