netdev - Re: [PATCH net-next] net: dsa: Add support for 64-bit statistics

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Message-Id: <20170802.164951.1316163070425929253.davem@davemloft.net>
Date:   Wed, 02 Aug 2017 16:49:51 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     f.fainelli@...il.com
Cc:     netdev@...r.kernel.org, andrew@...n.ch,
        vivien.didelot@...oirfairelinux.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next] net: dsa: Add support for 64-bit statistics

From: Florian Fainelli <f.fainelli@...il.com>
Date: Tue,  1 Aug 2017 15:00:36 -0700

> DSA slave network devices maintain a pair of bytes and packets counters
> for each directions, but these are not 64-bit capable. Re-use
> pcpu_sw_netstats which contains exactly what we need for that purpose
> and update the code path to report 64-bit capable statistics.
> 
> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>

Applied, thanks.

I would run ethtool -S and ifconfig under perf to see where it is
spending so much time.