On 02/07/2012 04:55 PM, Gilles Chanteperdrix wrote:
> On 02/07/2012 02:01 PM, Gregory CLEMENT wrote:
>> Hello,
>> I've done the port for AT91SAM9G45 on a AT91SAM9M10G45-EK board. The
>> following patch have to be applied on top of the
>> adeos-ipipe- patch.
>> I also ran latency test under heavy stress using:
>> - hackbench to stress the scheduler
>> - netcat to stress the Ethernet interface and generate a lot of interrupts
>> - ls and dd( reading a /dev/mtdblock and writing on a tmpfs) for global 
>> stress
>> I join the results I had after running each latency test during 10 hours.
>> If the results I get seem the correct could you apply this patch in
>> Xenomai?
>> Should I also submit this patch to adeos project?
> We will merge this patch in the adeos patch, yes. Thanks. Note that
> xenomai-2.6.0 provides a "dohell" command in order to generate some
> load, and a "xeno-test" script which runs latency under dohell load.

Thanks for the pointer. Theses scripts cover almost all I've done,
expect the case involving 'dd'. I chose to read the flash and no to
write on a mount point located in flash to no "wear" it.
Next time I will use these scripts and just tune them for my need.

> Are the results obtained with or without the FCSE option enabled?

They are obtained with the FCSE option enabled. Do you want the kernel
config file ?

Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
+33 602 196 044

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