Overview
Embedded Linux with Real-Time – An Evaluation
Embedded Linux system are increasingly required to perform complex tasks under strict timing contraints. While Embedded Linux has become the defacto standard for embedded operating systems due to its flexiblity, openness and rich ecosystem, it is not inherently designed for real-time applications. The thesis shall evaluate the suitablity of Embedded Linux for real-time use cases by analysing its performance, limitations and available solutions. Specifically, the Linux real-time enhancement PREEMPT_RT offers an interesting approach to bring real-time features to Linux. The PREEMPT_RT patch was fully merged in mainline Linux in September 2024 and now is available as a kernel configuration option. The goal of the thesis is to conduct a series of practical experiments and benchmarking tests on selected Embedded Linux hardware to compare latencies, predictablity and system responsiveness. To do that, benchmarks should not be performed with existing synthetic benchmark suites, but with an own implementation of an Ethernet-communication and/or CAN-Bus-communication szenario that reflects typical system requirements of an automotive-off-highway project at sequality.
Responsibilities
* Set up comparable embedded systems with standard Embedded Linux, Embedded Linux with PREEMPT_RT and/or other Real-Time solutions
* Implement typical communication szenarios to measure latencies and system performance
* Perform benchmarking tests and interpret results
* Evaluate reliablity, maintainability and the ecosystem available for these systems
Technologies and Frameworks
* Embedded Linux, PREEMPT_RT
* C/C++, Ethernet (UDP/TCP), Socket-CAN
* Overview of alternative real-time approaches (e.g. Zephyr, FreeRTOS)
Contact
sequality software engineering, Softwarepark 26, A-4232 Hagenberg
www.sequality.at
mailto:Stefan.Larndorfer@sequality.at
http://www.sequality.at/
#J-18808-Ljbffr