TY - GEN
T1 - Availability enhancement and analysis for mixed-criticality systems on multi-core
AU - Medina, Roberto
AU - Borde, Etienne
AU - Pautet, Laurent
N1 - Publisher Copyright:
© 2018 EDAA.
PY - 2018/4/19
Y1 - 2018/4/19
N2 - In the critical systems domain, Mixed Criticality Systems (MCS) improve considerably the usage of computation resources by running tasks with different levels of criticality on multi-core processors. To ensure the safety of MCS, services provided by low criticality tasks are degraded or stopped whenever high criticality tasks need more computation time than initially credited. The evaluation of this degradation is hardly considered in the literature although low criticality services are of prime importance for the quality of service (QoS) of critical systems. In this paper, we propose a method to evaluate the availability of low criticality services, i.e. how often these services are delivered in MCS. We also propose a task model that improves this availability, demonstrated thanks to our evaluation method on an illustrative example of MCS.
AB - In the critical systems domain, Mixed Criticality Systems (MCS) improve considerably the usage of computation resources by running tasks with different levels of criticality on multi-core processors. To ensure the safety of MCS, services provided by low criticality tasks are degraded or stopped whenever high criticality tasks need more computation time than initially credited. The evaluation of this degradation is hardly considered in the literature although low criticality services are of prime importance for the quality of service (QoS) of critical systems. In this paper, we propose a method to evaluate the availability of low criticality services, i.e. how often these services are delivered in MCS. We also propose a task model that improves this availability, demonstrated thanks to our evaluation method on an illustrative example of MCS.
U2 - 10.23919/DATE.2018.8342210
DO - 10.23919/DATE.2018.8342210
M3 - Conference contribution
AN - SCOPUS:85048768304
T3 - Proceedings of the 2018 Design, Automation and Test in Europe Conference and Exhibition, DATE 2018
SP - 1271
EP - 1276
BT - Proceedings of the 2018 Design, Automation and Test in Europe Conference and Exhibition, DATE 2018
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 2018 Design, Automation and Test in Europe Conference and Exhibition, DATE 2018
Y2 - 19 March 2018 through 23 March 2018
ER -