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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 07 Oct 2010 08:44:08 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	David Miller <davem@...emloft.net>
Cc:	hawk@...x.dk, netdev@...r.kernel.org, jeffrey.t.kirsher@...el.com
Subject: Re: [net-next PATCH] igb: update adapter stats when reading
 /proc/net/dev.

Le mercredi 06 octobre 2010 à 23:36 -0700, David Miller a écrit :
> From: Jesper Dangaard Brouer <hawk@...x.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@...x.dk>
> 
> I assume that the Intel folks will take care of integrating this
> now that the locking is fixed.
> 

I integrated Jesper patch into my cumulative patch.

BTW, ixgbe has similar locking problem.



--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html