On 17/02/2015 11:38 am, Gavin Lambert wrote:
On standard x86 hardware, you’re unlikely to get much better than 4 ms
cycle rates even on Linux+PREEMPT_RT if you’re using the generic
driver. Since you’re using more cut-down hardware, it wouldn’t
surprise me if this were more limited.
On our Atom boxes with Intel network cards using the generic drivers we
get 1ms easily and in testing we have 500us working.
Our clockwork system does not use a kernel driver to poll Ethercat.
Cheers
Mike
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