* e100 NAPI performance
@ 2003-08-29 10:16 P
0 siblings, 0 replies; only message in thread
From: P @ 2003-08-29 10:16 UTC (permalink / raw)
To: netdev
Hi,
I didn't get any feedback on the following mail.
Also in case this patch wasn't noticed,
I think it's a no brainer to apply?
http://tardis.linux.ie/1637/sourceforge.net
cheers,
Pádraig.
-------- Original Message --------
Subject: e100 NAPI performance
Date: Mon, 25 Aug 2003 14:12:05 +0100
From: P@draigBrady.com
To: e1000-devel@lists.sourceforge.net
Hi,
I'm testing the latest e100 driver (3.0.0_dev13)
in a device here that is purely used to
capture traffic, and I'm testing with 64 byte packets.
I've turned on NAPI and can recv up to 120K packets/s
fine. (btw the driver without NAPI is
fine up to 101K packets/s). Above this though
the packet capture rate actually decreases
At 130K packets/s only 110K/s are received,
and 16K/s are rx fifo overruns.
I thought NAPI was supposed to keep a bound
on the worst case?
any advice on improving performance
like ethtool params or something?
CPU is 1.2GHz PIII
linux kernel is 2.4.20
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