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Subject: Re: [PATCH] /proc/net/dev counter fix, linux-2.5.0
To: miipekk@ihme.org (Miika Pekkarinen)
Date: Wed, 12 Dec 2001 13:27:18 +0000 (GMT)
Cc: linux-kernel@vger.kernel.org
In-Reply-To: <Pine.LNX.4.33.0112121210500.972-100000@ihme.org> from "Miika Pekkarinen" at Dec 12, 2001 12:12:31 PM
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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
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> I have made a patch to fix the counter values in /proc/net/dev. The
> problem was that the tx_bytes and rx_bytes will reset when ~4GB is
> transferred. This patch has been tested to work with linux-2.5.0 but it
> should work on all 2.4.* kernels. Also it should work with most of the
> interface cards but not all yet.

It's something we've always avoided doing. A long long is expensive to
update and not an atomic type on things like the x86. The firewalling 
facilities let you collect 64bit accounting data if you need it
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