Slow/broken USB and Ethernet on Snowballs/Origen boards?

Jassi Brar jaswinder.singh at linaro.org
Thu Mar 15 10:31:15 UTC 2012


On 15 March 2012 15:39, Jannis Pohlmann <jannis.pohlmann at codethink.co.uk> wrote:
> Hey,
>
> On 03/15/2012 01:39 AM, Tony Mansson wrote:
>> Hi,
>>
>> This is interesting. I'd like to reproduce the Ethernet speed tests.
>>
>> Do you have the exact command lines?
>
> Sure. You'll need two machines, on being the board. Both need to be in
> the same 100 or 1000 MBit/s LAN.
>
> On the receiver's end, run:
>
>  netcat -l 8000 > /dev/null
>
> This will listen for incoming data on a TCP socket on port 8000. Then,
> given the receiver's IP address, run the following command on the
> sender's end:
>
>  dd if=/dev/zero bs=1024k count=256 > /dev/tcp/<RECEIVER IP>/8000
>
Cool. You might also want to take a look at 'netperf', a small yet
powerful tool.
At least until 2006(when I last used it) it was a piece of cake to use.

cheers
-jassi



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