netdev - Re: [PATCHv3 RESEND 0/6] ARM: sunxi: Add support for A10 Ethernet controller

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Message-ID: <CACQ1gAhu0P0BvfNkhsSgdzeU7Pf+CxesVJ87ok2FMpfBmaRMXA@mail.gmail.com>
Date:	Thu, 30 May 2013 19:50:24 +0200
From:	Richard Genoud <richard.genoud@...il.com>
To:	Maxime Ripard <maxime.ripard@...e-electrons.com>
Cc:	davem@...emloft.net, Emilio Lopez <emilio@...pez.com.ar>,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	kevin@...winnertech.com, sunny@...winnertech.com,
	shuge@...winnertech.com, Stefan Roese <sr@...x.de>,
	Florian Fainelli <florian@...nwrt.org>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCHv3 RESEND 0/6] ARM: sunxi: Add support for A10 Ethernet controller

2013/5/30 Maxime Ripard <maxime.ripard@...e-electrons.com>:
>
> Did you look at the load while iperf was running? I guess we can expect
> it to be pretty high since it runs without DMA.

I just did the test.
cpu is at 55%-60%

root@...ian:~# date ; iperf -c 192.168.1.10 -t 300 ; cat /proc/loadavg
Thu May 30 17:43:13 UTC 2013
------------------------------------------------------------
Client connecting to 192.168.1.10, TCP port 5001
TCP window size: 20.0 KByte (default)
------------------------------------------------------------
[  3] local 192.168.1.235 port 45459 connected with 192.168.1.10 port 5001
[ ID] Interval       Transfer     Bandwidth
[  3]  0.0-300.0 sec  3.28 GBytes  94.0 Mbits/sec
0.83 0.71 0.43 1/46 1770

loadavg over a 5min at 0.71, yeah, that's pretty high...

Richard.
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