linux-kernel - Re: [PATCH net-next] net: dsa: User per-cpu 64-bit statistics

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Message-Id: <20170806.212705.710269830764257465.davem@davemloft.net>
Date:   Sun, 06 Aug 2017 21:27:05 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     f.fainelli@...il.com
Cc:     netdev@...r.kernel.org, davem@...emlot.net, andrew@...n.ch,
        vivien.didelot@...oirfairelinux.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next] net: dsa: User per-cpu 64-bit statistics

From: Florian Fainelli <f.fainelli@...il.com>
Date: Thu,  3 Aug 2017 21:33:27 -0700

> During testing with a background iperf pushing 1Gbit/sec worth of
> traffic and having both ifconfig and ethtool collect statistics, we
> could see quite frequent deadlocks. Convert the often accessed DSA slave
> network devices statistics to per-cpu 64-bit statistics to remove these
> deadlocks and provide fast efficient statistics updates.
> 
> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>

Applied with appropriate Fixes: tag added.

Thanks.