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Load-based schedulability analysis of certifiable mixed-criticality systems
2010
Proceedings of the tenth ACM international conference on Embedded software - EMSOFT '10
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In prior work, we have proposed a priority-based algorithm for scheduling such mixed-criticality systems on preemptive uniprocessor platforms. ...
However, only a subset of the functionality of the system may be safety-critical and hence subject to certification; the rest of the functionality is non safety-critical and does not need to be certified ...
Our results may be considered as a step towards a more comprehensive analysis of systems of mixed-criticality recurrent tasks. ...
doi:10.1145/1879021.1879035
dblp:conf/emsoft/LiB10
fatcat:alfymplq2zee7frof22mlliid4
An Algorithm for Scheduling Certifiable Mixed-Criticality Sporadic Task Systems
2010
2010 31st IEEE Real-Time Systems Symposium
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In prior work, we have studied the scheduling and analysis of mixed criticality systems that are specified as finite collections of jobs executing on a single shared preemptive processor. ...
mixed-criticality system can be successfully scheduled by this algorithm. ...
Priority-based scheduling is the other technique commonly used by systems engineers in dealing with mixed criticalities. (OCBP scheduling is an example of a prioritybased scheduling scheme.) ...
doi:10.1109/rtss.2010.18
dblp:conf/rtss/LiB10
fatcat:mwowoed3gfc7xidadfi3y5c5iy
Partitioned multiprocessor scheduling of mixed-criticality parallel jobs
2014
2014 IEEE 20th International Conference on Embedded and Real-Time Computing Systems and Applications
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This decomposition enables us to leverage existing mixed-criticality scheduling algorithms and schedulability analysis to the multiprocessor scheduling of mixed-criticality parallel jobs. ...
Motivated by the increasing trend in embedded systems towards platform integration, there has been an increasing research interest in scheduling mixed-criticality systems. ...
THE OCBP SCHEDULING ALGORITHM In [10] , Baruah et al. developed a priority-based algorithm called OCBP (Own Criticality-Based Priorities) for uniprocessor mixed-criticality scheduling. ...
doi:10.1109/rtcsa.2014.6910497
dblp:conf/rtcsa/LiuLWG14
fatcat:wer7hvv2knefxfmubqcmlqe67a
Mixed criticality scheduling in fault-tolerant distributed real-time systems
2014
2014 International Conference on Embedded Systems (ICES)
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Modern safety critical real-time systems are composed of tasks of mixed criticalities and the problem of scheduling them in a fault tolerant manner, on a distributed platform, is challenging. ...
In this paper, we present a method for scheduling mixed criticality real-time tasks on a distributed platform in a fault tolerant manner while taking into account the recommendations given by the reliability ...
Guan et al [1] proposed an algorithm for scheduling mixed criticality work loads. ...
doi:10.1109/embeddedsys.2014.6953097
fatcat:npovhz737fce3mwh5zwww5vudq
Virtualizing mixed-criticality systems: A survey on industrial trends and issues
2021
Future generations computer systems
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2021 pre-print arXiv:2112.06875v1 fatcat:4wbdbs6ixvcnlb4g5inlwzaj7i
Virtualization is gaining attraction in the industry as it promises a flexible way to integrate, manage, and re-use heterogeneous software components with mixed-criticality levels, on a shared hardware ...
This work surveys the state-of-the-practice of real-time virtualization technologies by discussing common issues in the industry. ...
mixed-criticality systems. ...
doi:10.1016/j.future.2021.12.002
fatcat:4q277etxfjewlpmkjcn7by42pm
Effective and Efficient Scheduling of Certifiable Mixed-Criticality Sporadic Task Systems
2011
2011 IEEE 32nd Real-Time Systems Symposium
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In this paper we present an algorithm called PLRS to schedule certifiable mixed-criticality sporadic tasks systems. ...
The realtime scheduling of certifiable mixed-criticality systems has been recognized to be a challenging problem, where using traditional scheduling techniques may result in unacceptable resource waste ...
In this paper we present an algorithm called PLRS to schedule certifiable mixed-criticality sporadic tasks systems. ...
doi:10.1109/rtss.2011.10
dblp:conf/rtss/GuanESY11
fatcat:xyvg46kjqfcppb5kznqmtrvvfa
Safepower Project: Architecture For Safe And Power-Efficient Mixed-Criticality Systems
2017
Zenodo
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The EU project SAFEPOWER1 targets this research gap and aims to introduce certifiable methods to improve the power efficiency of mixed-criticality real-time systems (MCRTES). ...
One way to increase the cost-efficiency of such System on Chip (SoC) is to enhance the way the SoC handles its power resources. ...
When it comes to mixed-criticality, independence is a crucial factor to allow mixed-criticality systems to be certified separately and thus considerably reduce certification costs, improve scalability ...
doi:10.5281/zenodo.1216870
fatcat:46gbqu45lzct5mhsspuqt5i4wm
Multicore partitioned systems based on hypervisor
2014
IFAC Proceedings Volumes
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In this paper, we present a multi-core hypervisor for mixed-criticality applications as one of the results of the MultiPARTES project. ...
Virtualization techniques maturity have reach the level to offer guarantees in critical systems. ...
solutions based on mixed criticality virtualization systems for multi-core platforms as a means to lower down development, validation and certification efforts. ...
doi:10.3182/20140824-6-za-1003.02410
fatcat:j7y4a67p3zfxtlfdx2s4cneciq
Mixed Criticality in Control Systems
2014
IFAC Proceedings Volumes
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A better approach is to rely on partitioned systems, based on a hypervisor that isolates each of the virtual machines in the system. ...
The aim of this paper is to introduce mixed-criticality systems, to introduce the most challenging research topics, and to provide some background on the most promising techniques and research activities ...
CONCLUSIONS This paper has discussed the use of mixed-criticality systems. ...
doi:10.3182/20140824-6-za-1003.02004
fatcat:kus2lqmzi5b63ctyukhshw4xfq
Implementation and evaluation of mixed-criticality scheduling approaches for sporadic tasks
2014
ACM Transactions on Embedded Computing Systems
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Traditional fixed-priority scheduling analysis for periodic and sporadic task sets is based on the assumption that all tasks are equally critical to the correct operation of the system. ...
In this article, we present a side-by-side implementation and evaluation of the known mixed-criticality scheduling approaches, for periodic and sporadic mixed-criticality tasks on uniprocessor systems, ...
Li and Baruah [2010a] offered a busy period bound based on the load 2 of each criticality level. ...
doi:10.1145/2584612
fatcat:lcdl7boxgfadjbclwlei34bjme
Attacking the one-out-of-m multicore problem by combining hardware management with mixed-criticality provisioning
2017
Real-time systems
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This investigation is based on a new variant of the MC 2 (mixed-criticality on multicore) framework that enables tasks to be isolated by criticality level with respect to the hardware resources they access ...
The key reason is the "oneout-of-m" problem: when checking real-time constraints on a multicore platform with m cores, analysis pessimism can easily negate the processing capacity of the additional m − ...
However, certifying the real-time correctness of a system running on m cores can necessitate using analysis that is so pessimistic, the processing capacity of the additional m − 1 cores is entirely negated ...
doi:10.1007/s11241-017-9272-9
fatcat:kr3gr2rdpvhrvdu7ihssst5hxi
Towards Virtualization Concepts for Novel Automotive HMI Systems
[chapter]
2013
IFIP Advances in Information and Communication Technology
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Based on these requirements, we present the concept for a Virtualized Automotive Graphics System (VAGS ) that allows for the consolidation of mixed-criticality graphics ECUs. ...
In this paper, we focus on the consolidation of graphics hardware through virtualization, which received a lot of interest in the car industry due to the growing relevance of HMI systems such as head unit ...
Acknowledgement This paper has been supported in part by the ARAMiS (Automotive, Railway and Avionics Multicore Systems) project of the German Federal Ministry for Education and Research (BMBF) with funding ...
doi:10.1007/978-3-642-38853-8_18
fatcat:eidt7zfoync5ncj7ivbycms4g4
A Safety Concept for a Railway Mixed-Criticality Embedded System Based on Multicore Partitioning
2015
2015 IEEE International Conference on Computer and Information Technology; Ubiquitous Computing and Communications; Dependable, Autonomic and Secure Computing; Pervasive Intelligence and Computing
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The development of mixed-criticality systems that integrate applications of different criticality levels (safety, security, real-time and non real-time) can provide multiple benefits such as product cost-size-weight ...
This research paper describes a safety concept for a wind turbine mixed-criticality control system based on multicore partitioning that meets IEC-61508 and ISO-13849 industrial safety standards. ...
The integration of applications of different criticality (safety, security, real-time and non-real time) in a single embedded system is referred as mixed-criticality system. ...
doi:10.1109/cit/iucc/dasc/picom.2015.268
dblp:conf/IEEEcit/AgirreALPVC15
fatcat:yvh7hylpjjedtiob6sgm6ews2y
Robust Mixed-Criticality Systems
2018
IEEE transactions on computers
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With mixed-criticality systems, fault tolerance must be criticality aware, i.e. some tasks should degrade less than others. ...
In this paper a quantitative notion of robustness is defined, and it is shown how fixed priority-based task scheduling can be structured to maximise the likelihood of a system remaining fail operational ...
on Mixed Criticality for useful discussions on the topic of this paper. ...
doi:10.1109/tc.2018.2831227
fatcat:c2iwxht44bejvbsd65svwsnlpi
Fair bandwidth sharing among virtual machines in a multi-criticality scope
2013
ACM SIGBED Review
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We propose an adaptive resource management scheme for virtualization-based systems that have to be certified. ...
We propose an adaptive resource management scheme for virtualization-based systems that have to be certified. ...
CONCLUSION We proposed an adaptive resource management scheme for virtualization-based systems that have to be certified. ...
doi:10.1145/2583687.2583692
fatcat:6wzkrutchffvrhuo375of4cusu
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