On 01/31/2014 10:03 PM, Andy Pugh wrote:
> On 31 January 2014 20:19, Gilles Chanteperdrix
> <[email protected]> wrote:
>> latency -c 0
>
> I thought at first that there was a huge improvement, as it was idling
> at 7uS (less than half the previous idle) .
> However, opening a couple of web browsers pushed it up to 44uS.
>
> I think I will move my attention to getting LinuxCNC running on the
> board now, it looks like Xenomai is working.
>
Ok, I am still interested by your kernel logs though, to see whether we
can improve the latencies by using the cache auxiliary configuration
register. You may want to lockdown some L2 cache ways for CPU0 as well,
in order to avoid the non-realtime cores to interfere with the real-time
core cache.
--
Gilles.
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