Measurement-Based Probabilistic Timing Analysis: Lessons from an Integrated-Modular Avionics Case Study
Identifieur interne : 001155 ( Main/Exploration ); précédent : 001154; suivant : 001156Measurement-Based Probabilistic Timing Analysis: Lessons from an Integrated-Modular Avionics Case Study
Auteurs : Franck Wartel [France] ; Leonidas Kosmidis [Espagne] ; Benoit Triquet [France] ; Eduardo Quinones [Espagne] ; Jaume Abella [Espagne] ; Adriana Geanina Gogonel [France] ; Andreea Baldovin [Italie] ; Enrico Mezzetti [Italie] ; Liliana Cucu-Grosjean [France] ; Tullio Vardanega [Italie] ; Francisco J. Cazorla [Espagne]Source :
Abstract
Probabilistic Timing Analysis (PTA) in general and its measurement-based variant called MBPTA in particular can mitigate some of the problems that impair current worst-case execution time (WCET) analysis techniques. MBPTA computes tight WCET bounds expressed as probabilistic exceedance functions, without needing much information on the hardware and software internals of the system. Classic WCET analysis has information needs that may be costly and difficult to satisfy, and their omission increases pessimism. Previous work has shown that MBPTA does well with benchmark programs. Real-world applications however place more demanding requirements on timing analysis than simple benchmarks. It is interesting to see how PTA responds to them. This paper discusses the application of MBPTA to a real avionics system and presents lessons learned in that process.
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DOI: 10.1109/SIES.2013.6601497
Affiliations:
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CS 25233 - 54052 Nancy cedex</addrLine><country key="FR"></country></address><ref type="url">http://www.univ-lorraine.fr/</ref></desc></org></tutelle><tutelle name="UMR7503" active="#struct-441569" type="indirect"><org type="institution" xml:id="struct-441569" status="VALID"><idno type="ISNI">0000000122597504</idno><idno type="IdRef">02636817X</idno><orgName>Centre National de la Recherche Scientifique</orgName><orgName type="acronym">CNRS</orgName><date type="start">1939-10-19</date><desc><address><country key="FR"></country></address><ref type="url">http://www.cnrs.fr/</ref></desc></org></tutelle></tutelles></hal:affiliation><country>France</country><placeName><settlement type="city">Nancy</settlement><settlement type="city">Metz</settlement><region type="region" nuts="2">Grand Est</region><region type="old region" nuts="2">Lorraine (région)</region></placeName><orgName type="university">Université de Lorraine</orgName></affiliation></author><author><name sortKey="Vardanega, Tullio" sort="Vardanega, Tullio" uniqKey="Vardanega T" first="Tullio" last="Vardanega">Tullio Vardanega</name><affiliation wicri:level="1"><hal:affiliation type="laboratory" xml:id="struct-147740" status="VALID"><orgName>Dipartimento di Matematica Pura e Applicata [Padova]</orgName><desc><address><addrLine>Via Trieste, 63 35121 Padova</addrLine><country key="IT"></country></address><ref type="url">http://www.math.unipd.it/</ref></desc><listRelation><relation active="#struct-301093" type="direct"></relation></listRelation><tutelles><tutelle active="#struct-301093" type="direct"><org type="institution" xml:id="struct-301093" status="VALID"><orgName>Università degli Studi di Padova [Padova]</orgName><desc><address><addrLine>Via 8 Febbraio, 235122 Padova</addrLine><country key="IT"></country></address><ref type="url">http://www.unipd.it/</ref></desc></org></tutelle></tutelles></hal:affiliation><country>Italie</country></affiliation></author><author><name sortKey="Cazorla, Francisco J" sort="Cazorla, Francisco J" uniqKey="Cazorla F" first="Francisco J." last="Cazorla">Francisco J. Cazorla</name><affiliation wicri:level="1"><hal:affiliation type="institution" xml:id="struct-106380" status="VALID"><orgName>Spanish National Research Council</orgName><orgName type="acronym">CSIC</orgName><desc><address><addrLine>Consejo Superior de Investigaciones Cientificas, Madrid</addrLine><country key="ES"></country></address><ref type="url">http://www.csic.es/web/guest/home</ref></desc></hal:affiliation><country>Espagne</country></affiliation></author></analytic><idno type="DOI">10.1109/SIES.2013.6601497</idno></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Probabilistic Timing Analysis (PTA) in general and its measurement-based variant called MBPTA in particular can mitigate some of the problems that impair current worst-case execution time (WCET) analysis techniques. MBPTA computes tight WCET bounds expressed as probabilistic exceedance functions, without needing much information on the hardware and software internals of the system. Classic WCET analysis has information needs that may be costly and difficult to satisfy, and their omission increases pessimism. Previous work has shown that MBPTA does well with benchmark programs. Real-world applications however place more demanding requirements on timing analysis than simple benchmarks. It is interesting to see how PTA responds to them. This paper discusses the application of MBPTA to a real avionics system and presents lessons learned in that process.</div></front></TEI><affiliations><list><country><li>Espagne</li><li>France</li><li>Italie</li></country><region><li>Grand Est</li><li>Lorraine (région)</li></region><settlement><li>Metz</li><li>Nancy</li></settlement><orgName><li>Université de Lorraine</li></orgName></list><tree><country name="France"><noRegion><name sortKey="Wartel, Franck" sort="Wartel, Franck" uniqKey="Wartel F" first="Franck" last="Wartel">Franck Wartel</name></noRegion><name sortKey="Cucu Grosjean, Liliana" sort="Cucu Grosjean, Liliana" uniqKey="Cucu Grosjean L" first="Liliana" last="Cucu-Grosjean">Liliana Cucu-Grosjean</name><name sortKey="Gogonel, Adriana Geanina" sort="Gogonel, Adriana Geanina" uniqKey="Gogonel A" first="Adriana Geanina" last="Gogonel">Adriana Geanina Gogonel</name><name sortKey="Triquet, Benoit" sort="Triquet, Benoit" uniqKey="Triquet B" first="Benoit" last="Triquet">Benoit Triquet</name></country><country name="Espagne"><noRegion><name sortKey="Kosmidis, Leonidas" sort="Kosmidis, Leonidas" uniqKey="Kosmidis L" first="Leonidas" last="Kosmidis">Leonidas Kosmidis</name></noRegion><name sortKey="Abella, Jaume" sort="Abella, Jaume" uniqKey="Abella J" first="Jaume" last="Abella">Jaume Abella</name><name sortKey="Cazorla, Francisco J" sort="Cazorla, Francisco J" uniqKey="Cazorla F" first="Francisco J." last="Cazorla">Francisco J. Cazorla</name><name sortKey="Quinones, Eduardo" sort="Quinones, Eduardo" uniqKey="Quinones E" first="Eduardo" last="Quinones">Eduardo Quinones</name></country><country name="Italie"><noRegion><name sortKey="Baldovin, Andreea" sort="Baldovin, Andreea" uniqKey="Baldovin A" first="Andreea" last="Baldovin">Andreea Baldovin</name></noRegion><name sortKey="Mezzetti, Enrico" sort="Mezzetti, Enrico" uniqKey="Mezzetti E" first="Enrico" last="Mezzetti">Enrico Mezzetti</name><name sortKey="Vardanega, Tullio" sort="Vardanega, Tullio" uniqKey="Vardanega T" first="Tullio" last="Vardanega">Tullio Vardanega</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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