Udemy – Real-Time Linux as an RTOS: the PREEMPT_RT patch
English | Tutorial | Size: 1.16 GB
Discover how to patch, configure and program Rt-Linux using PREEMPT_RT, POSIX threads and CPU isolation
Build Real-Time Systems with Linux – from Kernel Fundamentals to Deterministic Applications.
This course takes you on a practical journey through Real-Time Linux using the PREEMPT_RT patch, giving you the knowledge and tools to transform a standard Linux kernel into a low-latency, predictable, real-time platform.
Whether you’re developing for industrial automation, robotics, aerospace, or embedded systems, this course will help you understand how Linux achieves determinism – and how to design applications that meet strict timing constraints.
What You’ll Learn
The core concepts of real-time computing and determinism
How PREEMPT_RT transforms the Linux kernel for real-time performance
Building and configuring a real-time kernel (e.g., Linux 6.1)
Measuring and tuning system latency using tools like cyclictest
Writing real-time C/C++ applications with pthread, priorities, and CPU affinity
Understanding priority inheritance and scheduling policies (SCHED_FIFO, SCHED_RR, SCHED_DEADLINE)
Isolating CPUs and optimizing for predictability
Hands-On Experience
This course emphasizes practical implementation:
Build a real-time kernel from source and apply the PREEMPT_RT patch
Configure boot parameters and CPU isolation
Implement real-time applications using POSIX threads
Who This Course Is For
Embedded systems engineers and developers
Linux system programmers
Robotics and automation developers
Anyone interested in low-latency and deterministic systems
Requirements
Basic knowledge of Linux commands and shell scripting
Some C or C++ programming experience
A Linux development environment (e.g., Ubuntu, Debian, or similar)
Why Take This Course
Linux is everywhere, but standard Linux is not deterministic.
By understanding how to configure and program a real-time Linux system, you’ll unlock the ability to build responsive, reliable, and time-critical software for any industry.
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