netdev - Re: [PATCH 0/2] igb: drop stats due to OS cannot keep up

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Message-ID: <9929d2390905180016h4cf065fex51a6b6e061b41792@mail.gmail.com>
Date:	Mon, 18 May 2009 00:16:50 -0700
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	Jesper Dangaard Brouer <hawk@...x.dk>
Cc:	"David S. Miller" <davem@...emloft.net>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"e1000-devel@...ts.sourceforge.net" 
	<e1000-devel@...ts.sourceforge.net>,
	"Ronciak, John" <john.ronciak@...el.com>,
	"Waskiewicz Jr, Peter P" <peter.p.waskiewicz.jr@...el.com>
Subject: Re: [PATCH 0/2] igb: drop stats due to OS cannot keep up

On Fri, May 15, 2009 at 12:41 AM, Jesper Dangaard Brouer <hawk@...x.dk> wrote:
> On Thu, 2009-05-14 at 15:43 -0700, Jeff Kirsher wrote:
>> Jesper - I have pulled in your patches, and made the necessary
>> modifications based on Mitch's comments.  Right now, they are in
>> testing and I should be pushing them to Dave in the next couple of
>> days.
>
> Sounds great! :-)
>
> Do you or e1000-devel have a public git tree?
> So I can work off that next time I have some changes, thus it would be
> easier for you to merge in... (this time around I rebased my changes
> each time some of you igb changes got into daveM's net-next-2.6 tree)
>
> Cheers
> --
> Med venlig hilsen / Best regards
>  Jesper Brouer
>  ComX Networks A/S
>  Linux Network developer
>  Cand. Scient Datalog / MSc.
>  Author of http://adsl-optimizer.dk
>  LinkedIn: http://www.linkedin.com/in/brouer

No we do not have a public git tree, but do not worry about it.  Feel
free to send patches, and I can work through most of the issues if any
arise.  So no worries there...

Regarding your patches, during testing we saw a significant difference
in the stats reported by ifconfig versus the stats reported by
ethtool.  Reason being that ethtool stats do not take into account the
RQDPC numbers.  I have been looking at fixing that in the patches, so
while all the testing looks good (except for the difference in
numbers) the patches will be delayed a day or so, while I fix the
ethtool reporting of RQDPC.

-- 
Cheers,
Jeff
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