John Ronciak wrote:
As far as copybreak goes, we knew it probably won't help routing type
test with small packets. Robert's test shows it really only hurts
where it seems to be CPU bound, which makes sense. This can be
disable at compile time by setting E1000_CB_LENGHT to 2K which means
that copybreak won't ever be done.
So... under load, copybreak causes e1000 to fall over more rapidly than
no-copybreak?
If so, it sounds like copybreak should be disabled by default, and/or a
runtime switched added for it.
Jeff
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