Re: [Xenomai-help] What has highest priority RTcap or TDMA-synchronization reception?

[Jan Kiszka <jan.kiszka@domain.hid>]

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Benjamin Biegel wrote:
> Again thanks!
> 
> I will look into the RTnet isolation. How would you suggest I obtain knowledge 
> about multicore box etc?

linux/Documentation/cgroups/cpusets.txt and
linux/Documentation/IRQ-affinity.txt for the beginning. Xenomai manages
affinity via explicit API calls (not done by RTnet, though) or
/proc/xenomai/affinity.

> 
> Just to explain the use of two NICs, if I can. The reason is that our goal is to 
> measure travel times on any Ethernet, without altering this Ethernet. To do this 
> we plug in two transparent y-splitters the two places we want to measure at 
> ravel time between (e.g. on either side of a switch). These two y-splitter 
> outputs are fed to two NICs on each PC. They cannot be plugged into the same NIC 
> as the TDMA is on, then it would be through a switch, which would increase 
> further delay as I see it...

I see, they are attached to quasi different Ethernets.

Jan


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