netdev - Re: Tools for sampling ethtool --statistics

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Message-ID: <CAJ3xEMi-OpWwvBVZVK7v4j7DuY+ksGQ0MwM6pNnF8fT_ZhSLkw@mail.gmail.com>
Date:	Wed, 24 Feb 2016 17:21:42 +0200
From:	Or Gerlitz <gerlitz.or@...il.com>
To:	Jesper Dangaard Brouer <brouer@...hat.com>
Cc:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: Tools for sampling ethtool --statistics

On Wed, Jan 20, 2016 at 11:13 AM, Jesper Dangaard Brouer
<brouer@...hat.com> wrote:

> I wrote a small tool[1] to extract ethtool --statistics|-S, sample and
> present it in a more human readable manor.  You might also find this useful...
[..]

> The reason I wrote this script is that the mlx5 driver (Mellanox 100 Gbit/s)
> does not report correct ifconfig stats.  It reports the HW counters,
> not what the network stack is able to handle.  I/we obviously need the
> stack number when working on improving the stack.

Hi Jesper,

So... we finally fixed that, see

https://patchwork.ozlabs.org/patch/587298/
https://patchwork.ozlabs.org/patch/587296/

Or.