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

From: Richard Genoud
Date: Thu May 30 2013 - 13:51:08 EST


2013/5/30 Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>:
>
> 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@debian:~# 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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