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Re:Learn how to design and defend an embedded Linux device by zozbot234 on Saturday November 07, 2020 @04:02PM (#25019314)
The wiki for the PREEMPT_RT patchset has a general HOWTO: https://rt.wiki.kernel.org/index.php/HOWTO:_Build_an_RT-appl...

Generally speaking, your limiting factor wrt. hard RT performance is going to be the underlying hardware, not the OS per se. This of course assumes that you avoid known sources of OS-related latency.

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