Evaluating Latency in Multiprocessing Embedded Systems for the Smart Grid

نویسندگان

چکیده

Smart grid endpoints need to use two environments within a processing system (PS), one with Linux-type operating (OS) using the Arm Cortex-A53 cores for management tasks, and other standalone execution or real-time OS Cortex-R5 cores. The Xen hypervisor OpenAMP framework allow this, but they may introduce delay in system, some messages smart latency lower than 3 ms. In this paper, Linux thread latencies are characterized by Cyclictest tool. It is shown that when used, scenario not suitable as it does meet ms timing constraint. Then, part evaluated, measuring handle an interrupt created programmable logic (PL). application was run A53 R5 cores, framework. These scenarios all met main contribution of present work detailed characterization each execution, order facilitate selecting most application.

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ژورنال

عنوان ژورنال: Energies

سال: 2021

ISSN: ['1996-1073']

DOI: https://doi.org/10.3390/en14113322