netdev - Re: [PATCH] Add a statistics counter for tx hash miss

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Message-Id: <20080721.095158.127501421.davem@davemloft.net>
Date:	Mon, 21 Jul 2008 09:51:58 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	andi@...stfloor.org
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH] Add a statistics counter for tx hash miss

From: Andi Kleen <andi@...stfloor.org>
Date: Mon, 21 Jul 2008 18:44:07 +0200

> On Mon, Jul 21, 2008 at 09:33:30AM -0700, David Miller wrote:
> > From: Andi Kleen <andi@...stfloor.org>
> > Date: Mon, 21 Jul 2008 10:48:08 +0200
> > 
> > > Add a counter for the case when the TX hash function doesn't work.
> > > 
> > > Signed-off-by: Andi Kleen <ak@...ux.intel.com>
> > 
> > This is very much not an IPV4 protocol statistic.
> > 
> > I understand your desire to export this information, but
> > as easy as this method is it's not the right way.
> 
> It's IPv4 and IPv6 and netstat contains Ipv4 and ipv6 information
> (e.g. all the TCP counters) and even some completely protocol independent 
> counters like ArpFilter.

You're logging when we don't hit ipv4 or ipv6 :-)
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