On Wed, 2006-05-31 at 10:48, Anton Rang wrote:
> We generally take one interrupt for each I/O
> (if the CPU is fast enough), so instead of taking one
> interrupt for 8 MB (for instance), we take 64.
Hunh. Gigabit ethernet devices typically implement some form of
interrupt blanking or coalescing so that the host cpu can batch I/O
completion handling. That doesn't exist in FC controllers?
Under continuous heavy load it can be more efficient to do polling
instead of interrupt-driven I/O.
- Bill
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