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From: Richard Genoud <richard.genoud@gmail.com>
To: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: davem@davemloft.net, Emilio Lopez <emilio@elopez.com.ar>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	kevin@allwinnertech.com, sunny@allwinnertech.com,
	shuge@allwinnertech.com, Stefan Roese <sr@denx.de>,
	Florian Fainelli <florian@openwrt.org>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCHv3 RESEND 0/6] ARM: sunxi: Add support for A10 Ethernet controller
Date: Thu, 30 May 2013 19:50:24 +0200	[thread overview]
Message-ID: <CACQ1gAhu0P0BvfNkhsSgdzeU7Pf+CxesVJ87ok2FMpfBmaRMXA@mail.gmail.com> (raw)
In-Reply-To: <20130530081129.GF9799@lukather>

2013/5/30 Maxime Ripard <maxime.ripard@free-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@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.

WARNING: multiple messages have this Message-ID (diff)
From: richard.genoud@gmail.com (Richard Genoud)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCHv3 RESEND 0/6] ARM: sunxi: Add support for A10 Ethernet controller
Date: Thu, 30 May 2013 19:50:24 +0200	[thread overview]
Message-ID: <CACQ1gAhu0P0BvfNkhsSgdzeU7Pf+CxesVJ87ok2FMpfBmaRMXA@mail.gmail.com> (raw)
In-Reply-To: <20130530081129.GF9799@lukather>

2013/5/30 Maxime Ripard <maxime.ripard@free-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 at 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.

  reply	other threads:[~2013-05-30 17:51 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-24  9:23 [PATCHv3 RESEND 0/6] ARM: sunxi: Add support for A10 Ethernet controller Maxime Ripard
2013-05-24  9:23 ` Maxime Ripard
2013-05-24  9:23 ` [PATCHv3 1/6] net: Add EMAC ethernet driver found on Allwinner A10 SoC's Maxime Ripard
2013-05-24  9:23   ` Maxime Ripard
2013-05-24 12:46   ` Emilio López
2013-05-24 12:46     ` Emilio López
2013-05-24 20:10     ` Maxime Ripard
2013-05-24 20:10       ` Maxime Ripard
2013-05-24  9:23 ` [PATCHv3 2/6] net: Add MDIO bus driver for the Allwinner EMAC Maxime Ripard
2013-05-24  9:23   ` Maxime Ripard
2013-05-24  9:42   ` Florian Fainelli
2013-05-24  9:42     ` Florian Fainelli
2013-05-24 10:14     ` Maxime Ripard
2013-05-24 10:14       ` Maxime Ripard
2013-05-24  9:23 ` [PATCHv3 3/6] ARM: sun4i: Add muxing options for the ethernet controller Maxime Ripard
2013-05-24  9:23   ` Maxime Ripard
2013-05-24  9:23 ` [PATCHv3 4/6] ARM: sunxi: Add EMAC controller node to sun4i DTSI Maxime Ripard
2013-05-24  9:23   ` Maxime Ripard
2013-05-24  9:23 ` [PATCHv3 5/6] ARM: cubieboard: Enable ethernet (EMAC) support in dts Maxime Ripard
2013-05-24  9:23   ` Maxime Ripard
2013-05-24 12:53   ` Emilio López
2013-05-24 12:53     ` Emilio López
2013-05-24 20:15     ` Maxime Ripard
2013-05-24 20:15       ` Maxime Ripard
2013-05-24  9:23 ` [PATCHv3 6/6] ARM: sunxi: Add EMAC Controller to Hackberry dt Maxime Ripard
2013-05-24  9:23   ` Maxime Ripard
2013-05-29 18:15 ` [PATCHv3 RESEND 0/6] ARM: sunxi: Add support for A10 Ethernet controller Richard Genoud
2013-05-29 18:15   ` Richard Genoud
2013-05-30  8:11   ` Maxime Ripard
2013-05-30  8:11     ` Maxime Ripard
2013-05-30 17:50     ` Richard Genoud [this message]
2013-05-30 17:50       ` Richard Genoud

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