Hi All,
I am porting an existing RT application to a MPC850 PowerPC running Linux.
We have two main parts of the system with real-time requirements
- An algorithm which runs every 2ms - with allowable jitter of around 0.5ms
- Time multiplexed comminications requiring under 1ms timing accuracy.
I have found that the standard Linux kernel is not able to meet these
requirements (unless all network load is removed) so RTLinux looks like the
way to go. I have a couple of questions and would appreciate it if someone
can enlighten me.
1) Does the mbuff driver allow to a single area to be accessed by multiple
RTLinux threads and multiple Linux user processes?
2) How dependant is RTLinux on the specific kernel release that it runs
with? I assume that this would depend on what parts of the Linux kernel
change between releases.
3) Does anyone have any impressions on the stability of RTLinux on an MPC8xx
platform?
Thanks in advance.
Brett Carswell
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