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Preempt-RT

Preempt-RT (Real-Time Preemption) enhances the Linux kernel with real-time capabilities, delivering predictable low-latency performance while preserving strong Linux compatibility, making it well suited for industrial automation, AMR/AGV systems, ROS 2 applications, and edge computing workloads.


Support Versions

The tables below list the Preempt-RT versions, board SoC and operation system that supported by Advantech Embedded Software team.

Preempt-RTSystemSupported SoC
5.15.0-1047-intel-iot-realtime
  • OS: Ubuntu 22.04
  • Kernel: 5.15.0-1047-intel-iot-realtime
  • Intel 13th Gen, Core i9 - 13900
6.8.1-1015
  • OS: Ubuntu 24.04
  • Kernel: 6.8.1-1015
  • Intel 14th Gen, Core Ultra - 155H
6.8.12-tegra
  • OS: Ubuntu 24.04
  • Kernel: 6.8.12-tegra
  • NVIDIA Jetson ThorTM

Benchmark Reports​

The table below list the Preempt-RT benchmark tested on Advantech devices. The data presented in the table represents measurement results obtained under the following test conditions:

  • Cycle Tims: 1000 µs
  • Duration: 10 hours
  • Stress: CPU full loading / Memory 80% usage

HardwareMax Latency (µs)Note
GenericPreempt-RTPreempt-RT
(Optimized)

AFE-R770
(Intel 13th Gen, Core i9-13900)

9367 µs432 µs50 µs
  • Preempt-RT: 5.15.0-1047-intel-iot-realtime
  • OS: Ubuntu 22.04
  • Kernel: 5.15.0-1047-intel-iot-realtime

AFE-R360
(Intel 14th Gen, Core Ultra - 155H)

6720 µs494 µs105 µs
  • Preempt-RT: 6.8.1-1015
  • OS: Ubuntu 24.04
  • Kernel: 6.8.1-1015

NOTE:

  • The above data is provided for reference only; actual results should be based on measurements conducted on the target system.
  • For real-time enablement and optimization services, please contact Advantech Embedded Software Services.