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 2023.[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]

References

  1. ↑ "The real realtime preemption end game". LWN.net. Retrieved 2023-11-16.
  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. hdl:11311/1076057. ISSN 0360-0300.
  3. ↑ "Realtime preemption locking core merged [LWN.net]". lwn.net. Retrieved 2023-02-09.
  4. ↑ "The future of realtime Linux". LWN.net. Retrieved 2023-02-09.
  5. ↑ Proven, Liam. "Real-time Ubuntu 22.04: What you need to know". The Register. Retrieved 2023-02-20.
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