netdev - Re: packetloss, on e1000e worse than r8169?

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Message-Id: <20080617023852.M86134@visp.net.lb>
Date:	Tue, 17 Jun 2008 05:47:28 +0300
From:	"Denys Fedoryshchenko" <denys@...p.net.lb>
To:	Eric Dumazet <dada1@...mosbay.com>
Cc:	netdev@...r.kernel.org
Subject: Re: packetloss, on e1000e worse than r8169?

On Tue, 17 Jun 2008 04:17:22 +0200, Eric Dumazet wrote

> How often is iptables used on your machine ?
On this machine, just 3-4 rules. As i mention before, unloading iptables
modules didn't help.


> > since the profile was taken. Results may be inaccurate.
> > samples  %        symbol name
> > 144449   25.7521  e1000_irq_enable
> 
> I wonder why this one is called so often. If your
> interface is really flooded with packets, we should not
> exit from NAPI polling...

At that moments values RX 82Kpps, TX also around 82Kpps
339 Mbps RX, 337 Mbps TX
Average packet ~516 bytes


--
Denys Fedoryshchenko
Technical Manager
Virtual ISP S.A.L.

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