netdev - Re: [PATCH] net: add ability to clear stats via ethtool

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Message-ID: <20080531131143.516ca56e@core>
Date:	Sat, 31 May 2008 13:11:43 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Bill Fink <billfink@...dspring.com>
Cc:	James Cammarata <jimi@...x.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	Linux Netdev List <netdev@...r.kernel.org>
Subject: Re: [PATCH] net: add ability to clear stats via ethtool -
 e1000/pcnet32

> When diagnosing network problems, the ability to zero counters is
> a major aid in diagnosis.  Writing scripts is not a general solution
> since often several systems are involved and it's not simple to do
> this via a script.  Saving stats output and running beforeafter on
> a number of systems is a royal pain when troubleshooting.

Zeroing them is not a general solution either - you break all the other
tools monitoring the same stats in parallel - like network usage monitors.

This is a user space tools problem, scripts or otherwise.

Alan
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