Pilot: Power-Aware Hybrid Fault Tolerance in Multi-core Embedded Systems Article Swipe

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Ansar, Amir Hossein , Esnaashari, Moein , Safari Sepideh , Ansari Mohsen , Ejlali, Alireza , Henkel, Jörg ·

YOU? · · 2025 · Open Access · · DOI: https://doi.org/10.5281/zenodo.17855043

With the advancement of technology size and theintegration of multiple cores on a single chip, the probability offault occurrence has increased. These faults can be transient orpermanent, requiring techniques to manage both types. Hybridfault tolerance techniques have emerged as effective solutionsto handle both types. In this paper, we propose a power-awarehybrid fault tolerance (called Pilot). Our approach utilizes check-pointing with rollback-recovery and primary/backup techniques,tolerating two kinds of faults. Moreover, in real-time embeddedsystems, power consumption is a critical constraint that must bemanaged. To do this, we exploit the Thermal Safe Power (TSP)constraint for each processing core. Based on this constraint andthe utilization of each core, tasks are mapped and scheduled,while guaranteeing the timing constraints. Our experimentalresults demonstrate that our proposed methods can meet thereliability target by tolerating the optimal number of faultoccurrences in each task while reducing power consumption. Ourproposed methods are compared to state-of-the-art techniques interms of schedulability, power consumption, Quality of Service(QoS), energy consumption, and reliability. The peak powerand energy consumption are reduced on average by 34.2% and15.9%, respectively, the QoS is improved on average to 28.7%,and the schedulability is improved on average to 14.6% whilesatisfying the system reliability target. This repository contains the simulation codes and data of the aforementioned article.

Related Topics

Computer Science

Embedded System

Redundancy (Engineering)

Fault (Geology)

Concepts

Fault tolerance Computer science Reliability engineering Reliability (semiconductor) Exploit Energy consumption Constraint (computer-aided design) Embedded system Power (physics) Task (project management) Real-time computing Transient (computer programming) Power consumption Energy (signal processing) Distributed computing Scheduling (production processes) Redundancy (engineering) Quality (philosophy) Quality of service Fault detection and isolation Fault coverage Degradation (telecommunications) Fault (geology) Efficient energy use Life-critical system Reduction (mathematics) Electric power system Downtime Constraint satisfaction problem

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Landing Page: https://doi.org/10.5281/zenodo.17855043
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DOI: https://doi.org/10.5281/zenodo.17855043

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Title: Pilot: Power-Aware Hybrid Fault Tolerance in Multi-core Embedded Systems

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Publication year: 2025

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Publication date: 2025-12-08

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Authors: Ansar, Amir Hossein, Esnaashari, Moein, Safari Sepideh, Ansari Mohsen, Ejlali, Alireza, Henkel, Jörg

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Landing page: https://doi.org/10.5281/zenodo.17855043

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Concepts: Fault tolerance, Computer science, Reliability engineering, Reliability (semiconductor), Exploit, Energy consumption, Constraint (computer-aided design), Embedded system, Power (physics), Task (project management), Real-time computing, Transient (computer programming), Power consumption, Energy (signal processing), Distributed computing, Scheduling (production processes), Redundancy (engineering), Quality (philosophy), Quality of service, Fault detection and isolation, Fault coverage, Degradation (telecommunications), Fault (geology), Efficient energy use, Life-critical system, Reduction (mathematics), Electric power system, Downtime, Constraint satisfaction problem

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abstract_inverted_index.experimentalresults	114
abstract_inverted_index.techniques,tolerating	63
cited_by_percentile_year
countries_distinct_count	0
institutions_distinct_count	6
citation_normalized_percentile