netdev - Re: [net-next PATCH] igb: update adapter stats when reading /proc/net/dev.

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Message-ID: <1286291947.2796.387.camel@edumazet-laptop>
Date:	Tue, 05 Oct 2010 17:19:07 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Jesper Dangaard Brouer <hawk@...x.dk>
Cc:	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: Re: [net-next PATCH] igb: update adapter stats when reading
 /proc/net/dev.

Le mardi 05 octobre 2010 à 16:53 +0200, Jesper Dangaard Brouer a écrit :

> Its already racy, because "ethtool -S" reads out the stats immediately,
> and thus races with the timer.
> 
> See: igb_ethtool.c
>  igb_get_ethtool_stats() invoke igb_update_stats(adapter);
> 

You would be surprised how many bugs are waiting to be found and
fixed ;)



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