From: Stephen Hemminger <shemminger@vyatta.com>
To: Jan Engelhardt <jengelh@medozas.de>
Cc: davem@davemloft.net, netdev@vger.kernel.org
Subject: Re: [PATCH 3/3] net: core: add IFLA_STATS64 support
Date: Thu, 11 Mar 2010 12:12:39 -0800 [thread overview]
Message-ID: <20100311121239.14944fd5@nehalam> (raw)
In-Reply-To: <1268337450-6749-4-git-send-email-jengelh@medozas.de>
On Thu, 11 Mar 2010 20:57:29 +0100
Jan Engelhardt <jengelh@medozas.de> wrote:
> `ip -s link` shows interface counters truncated to 32 bit. This is
> because interface statistics are transported only in 32-bit quantity
> to userspace. This commit adds a new IFLA_STATS64 attribute that
> exports them in full 64 bit.
>
> References: http://lkml.indiana.edu/hypermail/linux/kernel/0307.3/0215.html
> Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
>
What is the point since net_device_stats has only 32 bit counters.
The last time this came up the issue was is that is not possible
to atomically increment a 64 bit counter on most 32 bit platforms.
next prev parent reply other threads:[~2010-03-11 20:20 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-11 19:57 [net-next] IFLA_STATS64, tcp cong modules Jan Engelhardt
2010-03-11 19:57 ` [PATCH 1/3] net: tcp: make hybla selectable as default congestion module Jan Engelhardt
2010-03-11 20:10 ` Stephen Hemminger
2010-03-11 20:19 ` Jan Engelhardt
2010-03-17 4:29 ` David Miller
2010-03-11 19:57 ` [PATCH 2/3] net: tcp: make veno " Jan Engelhardt
2010-03-17 4:29 ` David Miller
2010-03-11 19:57 ` [PATCH 3/3] net: core: add IFLA_STATS64 support Jan Engelhardt
2010-03-11 20:12 ` Stephen Hemminger [this message]
2010-03-11 20:26 ` David Miller
2010-03-11 21:07 ` Jan Engelhardt
2010-03-11 21:30 ` David Miller
2010-03-11 22:04 ` Stephen Hemminger
2010-03-11 22:13 ` Jan Engelhardt
2010-03-11 22:50 ` Stephen Hemminger
2010-03-11 22:54 ` David Miller
2010-03-11 23:10 ` Stephen Hemminger
2010-03-11 23:15 ` David Miller
2010-03-11 23:44 ` Stephen Hemminger
2010-03-11 22:13 ` David Miller
2010-03-11 22:15 ` Jan Engelhardt
2010-03-11 20:19 ` Eric Dumazet
2010-03-17 4:29 ` David Miller
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