Software:PREEMPT RT

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PREEMPT_RT is a set of patches for the Linux kernel which implement real-time computing capabilities. It has not been merged into mainline Linux as of 2024.[1]

History

It has been developed since 2005.[2] In 2021, the preemption core locking code was merged.[3][4] In February 2023, Canonical released a real-time version of Ubuntu.[5]

MontaVista Software has been releasing a real-time Linux distribution containing the PREEMPT_RT patchset since the early 2000. Montavista's current main embedded Linux product, CGX, contains real-time preemption as a standard feature.

References

  1. ↑ "The real realtime preemption end game". https://lwn.net/SubscriberLink/951337/e9139cdb65a9cb93/. 
  2. ↑ Reghenzani, Federico; Massari, Giuseppe; Fornaciari, William (2019-02-21). "The Real-Time Linux Kernel: A Survey on PREEMPT_RT". ACM Computing Surveys 52 (1): 18:1–18:36. doi:10.1145/3297714. ISSN 0360-0300. https://doi.org/10.1145/3297714. 
  3. ↑ "Realtime preemption locking core merged [LWN.net"]. https://lwn.net/Articles/867919/. 
  4. ↑ "The future of realtime Linux". https://lwn.net/Articles/572740/. 
  5. ↑ Proven, Liam. "Real-time Ubuntu 22.04: What you need to know" (in en). https://www.theregister.com/2023/02/20/ubuntu_realtime_capable_edition/. 

External links



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