RFC: issues concerning the next NAPI interface

David Miller davem at davemloft.net
Sat Aug 25 07:43:43 EST 2007


From: linas at austin.ibm.com (Linas Vepstas)
Date: Fri, 24 Aug 2007 11:45:41 -0500

> In the end, I just let it be, and let the system work as a
> busy-beaver, with the high interrupt rate. Is this a wise thing to
> do?

The tradeoff is always going to be latency vs. throughput.

A sane default should defer enough to catch multiple packets coming in
at something close to line rate, but not so much that latency unduly
suffers.



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