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Building Mixed Criticality Linux Systems with the Jailhouse Hypervisor

  • The partitioning hypervisor Jaihouse allows us to run safety critical and uncritical applications in parallel on a single SoC. We present our experiences when porting a safety and real-time critical existing application as a Jailhouse guest. It shows a novel and promising approach for implementing mixed-criticality applications with real-time requirement while not loosing the benefits of Linux. This is done by static partitioning of hardware resources; guests do not interfere. We will present a multicopter platform running the real-time critical flight stack in an isolated Jailhouse guest. This proves the practicability of Jailhouse as well as the suitability for real-time safety critical systems by porting an existing application to a Jailhouse cell. We stress its concept and show up current hardware limitations, like undesired behaviour and present possible workarounds and solutions.

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Metadaten
Author:Ralf Ramsauer, Jan Kiszka, Wolfgang MauererORCiDGND
URL / DOI:https://www.youtube.com/watch?v=pvs0fv-gnvw
Parent Title (German):Embedded Lunux Conference + OpenIoTSummit, Portland, OR, 21.-23.02.2017
Document Type:conference proceeding (presentation, abstract)
Language:English
Year of first Publication:2017
Release Date:2022/05/10
Institutes:Fakultät Informatik und Mathematik
Fakultät Informatik und Mathematik / Labor für Digitalisierung (LFD)
research focus:Digitalisierung
Licence (German):Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG