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Real-time Ubuntu documentation
Real-time Ubuntu documentation
  • Tutorials
    • Your first Real-time Ubuntu application
      • Prerequisites
      • Install Real-time Ubuntu
      • Pick low-hanging fruit
      • Task schedulers
      • CPU affinity
      • Locks
      • Snap your real-time app
    • Optimizing real-time performance on Intel CPUs
      • Preparation
      • The test application
      • Kernel command-line parameters
      • Time Coordinated Computing mode
      • Cache Allocation Technology
      • Speed Shift for edge computing
      • Conclusion
  • How-to guides
    • Enable Real-time Ubuntu
    • Measure maximum latency
    • Modify kernel boot parameters
    • Configure CPUs for real-time processing
    • Tune IRQ affinity
    • Isolate CPUs from general execution with cpusets
    • Create a Real-time Ubuntu Core image
    • Download Real-time Ubuntu kernel source code
  • Reference
    • Tools for measuring real-time metrics
    • Kernel boot parameters
    • Kernel configuration options
    • Real-time Ubuntu releases
  • Explanation
    • Linux kernel schedulers
    • Linux kernel locks
    • Priority inversion and inheritance
  • Real-time Ubuntu releases
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Your first Real-time Ubuntu application¶

In this tutorial we will build a simple C program for a real-time workload. We will tune the system’s real-time parameters and observe the benefits Real-time Ubuntu provides.

  • Prerequisites
  • Install Real-time Ubuntu
  • Pick low-hanging fruit
  • Task schedulers
  • CPU affinity
  • Locks
  • Snap your real-time app
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Prerequisites
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Tutorials
Copyright © 2025 CC-BY-SA, Canonical Ltd.
Last updated on Apr 14, 2025
Contents
  • Your first Real-time Ubuntu application