On Wed, 18 Dec 2019 at 10:18, Thomas D. Dean <[email protected]> wrote:

>   --with-realtime=uspace
>
>      Build for any realtime platform, or for non-realtime. The resulting
> LinuxCNC executables will run on both a Linux kernel with Preempt-RT
> patches (providing realtime machine control) and on a vanilla
> (un-patched) Linux kernel (providing G-code simulation but no realtime
> machine control). If development files are installed for Xenomai
> (typically from package libxenomai-dev) or RTAI (typically from a
> package with a name starting "rtai-modules"), support for these
> real-time kernels will also be enabled.
>
> Since I installed
> rtai-modules-4.14.148_5.2.3-linuxcnc_amd64.deb,
> This should build support for rtai, correct?

For RTAI-uspace, yes. But that isn't something that is very well
tested. I would be interested to see how (and if) it works.

Normally best latency is found with kernel-mode RTAI.

-- 
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial use of mechanical geniuses, daredevils and
lunatics."
— George Fitch, Atlanta Constitution Newspaper, 1912


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