linux-kernel - Re: [PATCH 1/2] net: dsa: mv88e6xxx: sleep in _mv88e6xxx_stats

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Message-ID: <20150718145830.GA17961@lunn.ch>
Date:	Sat, 18 Jul 2015 16:58:30 +0200
From:	Andrew Lunn <andrew@...n.ch>
To:	Guenter <linux@...ck-us.net>
Cc:	Vivien Didelot <vivien.didelot@...oirfairelinux.com>,
	netdev <netdev@...r.kernel.org>,
	Florian Fainelli <f.fainelli@...il.com>,
	David <davem@...emloft.net>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	kernel <kernel@...oirfairelinux.com>
Subject: Re: [PATCH 1/2] net: dsa: mv88e6xxx: sleep in _mv88e6xxx_stats_wait

> Good point. The timeout is most definitely quite large and for sure on
> the safe side. It might make sense to add some statistics gathering to
> see how long the maximum observed delay actually is.

Hi All

Statistics are something which can be used a lot, i bursts and
interactivily. ATU, VTU etc, are much less often used. So different
delays might be justified.

I agree about doing some statistics gathering to determine actual
delays needed.

       Andrew
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