Conference paper Open Access

BB-RTE: A BUDGET-BASED RUNTIME ENGINE FOR MIXED & TIME CRITICAL SYSTEMS

Girbal, Sylvain; Le Rhun, Jimmy


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        <foaf:name>Girbal, Sylvain</foaf:name>
        <foaf:givenName>Sylvain</foaf:givenName>
        <foaf:familyName>Girbal</foaf:familyName>
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            <foaf:name>Thales Research &amp; Technology</foaf:name>
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        <foaf:name>Le Rhun, Jimmy</foaf:name>
        <foaf:givenName>Jimmy</foaf:givenName>
        <foaf:familyName>Le Rhun</foaf:familyName>
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            <foaf:name>Thales Research &amp; Technology</foaf:name>
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    <dct:title>BB-RTE: A BUDGET-BASED RUNTIME ENGINE FOR MIXED &amp; TIME CRITICAL SYSTEMS</dct:title>
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    <dct:issued rdf:datatype="http://www.w3.org/2001/XMLSchema#gYear">2018</dct:issued>
    <dcat:keyword>time predictability</dcat:keyword>
    <dcat:keyword>timing interference</dcat:keyword>
    <dcat:keyword>Deterministic Platform Solutions</dcat:keyword>
    <dcat:keyword>control solutions</dcat:keyword>
    <dcat:keyword>regulation solutions</dcat:keyword>
    <dcat:keyword>Budget-Based RunTime Engine</dcat:keyword>
    <dcat:keyword>offline characterization</dcat:keyword>
    <dcat:keyword>runtime regulation</dcat:keyword>
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        <foaf:name>European Commission</foaf:name>
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    <dct:issued rdf:datatype="http://www.w3.org/2001/XMLSchema#date">2018-02-01</dct:issued>
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    <dct:description>&lt;p&gt;The safety critical industry is considering a shift from single-core COTS to multi-core COTS processors for safety and time critical computers in order to maximize performance while reducing costs. In a domain where time predictability is a major concern due&lt;br&gt; to the regulation standards, multi-core processors are introducing new sources of time variations due to the electronic competition&lt;br&gt; when the software is accessing shared hardware resources, and characterized by timing interference. The solutions proposed in the literature to deal with timing interference are all proposing a trade-off between performance efficiency, time predictability and&amp;nbsp; intrusiveness in the software. Especially, none of them is able to fully exploit the multicore efficiency while allowing untouched,&amp;nbsp; already-certified legacy software to run. In this paper, we introduce and evaluate BB-RTE, a Budget- Based RunTime Engine for Mixed &amp;amp; Safety Critical Systems, that especially focuses on mixed critical systems. BB-RTE aims at guaranteeing the deadline of high-critical tasks 1) by computing for each shared hardware resource a budget in terms of extra accesses that the critical tasks can support before their runtime is significantly impacted; 2) by temporarily suspending low-critical tasks at runtime once this budget has been consumed.&lt;/p&gt;</dct:description>
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    <dct:title>SAFety and secURity by design for interconnected mixed-critical cyber-physical systems</dct:title>
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