The influence of virtualization on real-time systems' interrupts in embedded SoC platforms

Alonso, Sara; Lázaro, Jesús; Jiménez, Jaime; Muguira, Leire; Bidarte, Unai

doi:10.1109/dcis55711.2022.9970041

Cited by 1 publication

(1 citation statement)

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“…Table 1 summarizes some of the most relevant works that have performed a timing analysis of an OS or a virtualized environment in embedded systems, including a brief description of the works, the hardware platform, the SW environment where the analysis was carried out, and the tool used for the analysis. Some make a timing analysis of virtualized environments [8,24,25], others analyze the interrupt latency on an OS [26,27], and others analyze the interrupt latency on virtualized environments [28][29][30][31][32][33]. Finally, some propose new tools for analyzing latencies in embedded systems [34][35][36][37][38].…”

Section: Related Workmentioning

confidence: 99%

Interrupt Latency Accurate Measurement in Multiprocessing Embedded Systems by Means of a Dedicated Circuit

Alonso,

Muguira,

Garate

et al. 2024

Electronics

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Modern multiprocessing embedded applications require, in many cases, two different environments on the same platform: one that meets real-time requirements and another one with a general purpose operating system. Although several technologies can be used, two of the most popular are virtualization based on hypervisors and asymmetric multiprocessing software. However, using these tools introduces latency, which must be measured to verify compliance with real-time requirements. With the aim of facilitating these measurements, this work provides a hardware tool that is more precise and easier to use than other existing software solutions. The paper also studies the interrupt latency generated by different hypervisors and asymmetric multiprocessing frameworks in a Zynq UltraScale+ platform. This research work facilitates the accurate study of the temporal response of multiprocessor embedded systems, which allows for evaluating their suitability for applications with real-time requirements.

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