From: David Miller <davem@davemloft.net>
To: hawk@comx.dk
Cc: netdev@vger.kernel.org, jeffrey.t.kirsher@intel.com
Subject: Re: [net-next PATCH] igb: update adapter stats when reading /proc/net/dev.
Date: Wed, 06 Oct 2010 23:36:11 -0700 (PDT) [thread overview]
Message-ID: <20101006.233611.68115178.davem@davemloft.net> (raw)
In-Reply-To: <20101005141833.20929.10943.stgit@localhost>
From: Jesper Dangaard Brouer <hawk@comx.dk>
Date: Tue, 05 Oct 2010 16:18:33 +0200
> Network driver igb: Improve the accuracy of stats in /proc/net/dev, by
> updating the adapter stats when reading /proc/net/dev. Currently the
> stats are updated by the watchdog timer every 2 sec, or when getting
> stats via ethtool -S.
>
> A number of userspace apps read these /proc/net/dev stats every second,
> e.g. ifstat, which then gives a perceived very bursty traffic pattern,
> which is actually false.
>
> Signed-off-by: Jesper Dangaard Brouer <hawk@comx.dk>
I assume that the Intel folks will take care of integrating this
now that the locking is fixed.
Thanks.
next prev parent reply other threads:[~2010-10-07 6:35 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-05 14:18 [net-next PATCH] igb: update adapter stats when reading /proc/net/dev Jesper Dangaard Brouer
2010-10-05 14:41 ` Eric Dumazet
2010-10-05 14:53 ` Jesper Dangaard Brouer
2010-10-05 15:19 ` Eric Dumazet
2010-10-05 21:01 ` Eric Dumazet
2010-10-05 21:16 ` Jesper Dangaard Brouer
2010-10-05 22:34 ` Jeff Kirsher
2010-10-06 3:28 ` Eric Dumazet
2010-10-06 4:36 ` [PATCH net-next] igb: fix stats handling Eric Dumazet
2010-10-06 5:49 ` Jeff Kirsher
2010-10-06 11:36 ` Jesper Dangaard Brouer
2010-10-09 23:57 ` Tantilov, Emil S
2010-10-10 8:14 ` [PATCH net-next V2] " Eric Dumazet
2010-10-12 0:12 ` Jeff Kirsher
2010-10-06 5:47 ` [net-next PATCH] igb: update adapter stats when reading /proc/net/dev Jeff Kirsher
2010-10-07 6:36 ` David Miller [this message]
2010-10-07 6:44 ` Eric Dumazet
2010-10-07 6:46 ` David Miller
2010-10-07 10:06 ` Jesper Dangaard Brouer
2010-10-07 10:24 ` Eric Dumazet
2010-10-07 11:36 ` Jesper Dangaard Brouer
-- strict thread matches above, loose matches on Subject: below --
2010-01-12 13:41 Jesper Dangaard Brouer
2010-01-14 1:30 ` David Miller
2010-01-14 3:01 ` Jeff Kirsher
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