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Documents authored by Becker, Matthias

Document
DOI: 10.4230/LIPIcs.ECRTS.2026.19
From Timing Budgets to WCETs: Robust SIL- and BSW-Aware Clustering and Allocation for Iterative Automotive Software Development

Authors: Tobias Denzinger, Matthias Becker, and Peter Ulbrich

Published in: LIPIcs, Volume 375, 38th European Conference on Real-Time Systems (ECRTS 2026)

Abstract
Automotive ECUs integrate thousands of AUTOSAR runnables, substantial Basic Software (BSW), and heterogeneous multicore hardware. In iterative software-defined vehicle development, engineers must repeatedly revisit designs while maintaining stable runnable clustering and core allocations, which are expensive structural decisions. Beyond timing, Safety Integrity Levels (SILs), BSW overheads, and per-core memory strongly constrain these decisions, yet are rarely modeled jointly. This paper addresses these challenges through a chain-based analysis model that treats SIL constraints and BSW costs as first-class citizens, as well as an integrated toolchain that constructs job-level data-age constraints, forms SIL-compliant clusters, synthesizes multirate tasks, and maps application and BSW tasks to heterogeneous multicore platforms while checking timing and memory feasibility. A case study based on a real-world motion/drive controller from our industrial partner is described, which serves as the basis for our evaluation. The evaluations are conducted using synthetic systems that reflect the characteristics of the case study. Across 13,825 synthesized systems, SIL/BSW-aware clustering substantially reduces pessimism in analysis. In the industrial configuration, our approach yields a 7% decrease in utilization, demonstrating its practical value. A refinement study, which progressively replaces early budget assumptions with WCET samples, indicates that SIL/BSW-aware clustering preserves structural decisions better than less-informed variants under the same resampling setup.
Cite as

Tobias Denzinger, Matthias Becker, and Peter Ulbrich. From Timing Budgets to WCETs: Robust SIL- and BSW-Aware Clustering and Allocation for Iterative Automotive Software Development. In 38th European Conference on Real-Time Systems (ECRTS 2026). Leibniz International Proceedings in Informatics (LIPIcs), Volume 375, pp. 19:1-19:27, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2026)

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@InProceedings{denzinger_et_al:LIPIcs.ECRTS.2026.19,
  author =	{Denzinger, Tobias and Becker, Matthias and Ulbrich, Peter},
  title =	{{From Timing Budgets to WCETs: Robust SIL- and BSW-Aware Clustering and Allocation for Iterative Automotive Software Development}},
  booktitle =	{38th European Conference on Real-Time Systems (ECRTS 2026)},
  pages =	{19:1--19:27},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-429-1},
  ISSN =	{1868-8969},
  year =	{2026},
  volume =	{375},
  editor =	{Kritikakou, Angeliki},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ECRTS.2026.19},
  URN =		{urn:nbn:de:0030-drops-266116},
  doi =		{10.4230/LIPIcs.ECRTS.2026.19},
  annote =	{Keywords: cause-effect chains, end-to-end latency constraints, automotive software, SIL, ASIL, AUTOSAR BSW, WCET refinement, timing analysis}
}
Document
Front Matter
DOI: 10.4230/DARTS.10.1.0
Front Matter, Table of Contents, Artifact Evaluation Process, Artifact Evaluation Committee

Authors: Matthias Becker and Catherine E. Nemitz

Published in: DARTS, Volume 10, Issue 1, Special Issue of the 36th Euromicro Conference on Real-Time Systems (ECRTS 2024)

Abstract
Front Matter, Table of Contents, Artifact Evaluation Process, Artifact Evaluation Committee
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Special Issue of the 36th Euromicro Conference on Real-Time Systems (ECRTS 2024). Dagstuhl Artifacts Series (DARTS), Volume 10, Issue 1, pp. 0:i-0:x, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2024)

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@Article{becker_et_al:DARTS.10.1.0,
  author =	{Becker, Matthias and Nemitz, Catherine E.},
  title =	{{Front Matter, Table of Contents, Artifact Evaluation Process, Artifact Evaluation Committee}},
  pages =	{0:i--0:x},
  journal =	{Dagstuhl Artifacts Series},
  ISBN =	{978-3-95977-327-0},
  ISSN =	{2509-8195},
  year =	{2024},
  volume =	{10},
  number =	{1},
  editor =	{Becker, Matthias and Nemitz, Catherine E.},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DARTS.10.1.0},
  URN =		{urn:nbn:de:0030-drops-203223},
  doi =		{10.4230/DARTS.10.1.0},
  annote =	{Keywords: Front Matter, Table of Contents, Artifact Evaluation Process, Artifact Evaluation Committee}
}
Document
Front Matter
DOI: 10.4230/DARTS.9.1.0
Front Matter, Table of Contents, Preface, Conference Organization

Authors: Matthias Becker and Julien Forget

Published in: DARTS, Volume 9, Issue 1, Special Issue of the 35th Euromicro Conference on Real-Time Systems (ECRTS 2023)

Abstract
Front Matter, Table of Contents, Preface, Conference Organization
Cite as

Special Issue of the 35th Euromicro Conference on Real-Time Systems (ECRTS 2023). Dagstuhl Artifacts Series (DARTS), Volume 9, Issue 1, pp. 0:i-0:x, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2023)

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@Article{becker_et_al:DARTS.9.1.0,
  author =	{Becker, Matthias and Forget, Julien},
  title =	{{Front Matter, Table of Contents, Preface, Conference Organization}},
  pages =	{0:i--0:x},
  journal =	{Dagstuhl Artifacts Series},
  ISSN =	{2509-8195},
  year =	{2023},
  volume =	{9},
  number =	{1},
  editor =	{Becker, Matthias and Forget, Julien},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DARTS.9.1.0},
  URN =		{urn:nbn:de:0030-drops-180211},
  doi =		{10.4230/DARTS.9.1.0},
  annote =	{Keywords: Front Matter, Table of Contents, Preface, Conference Organization}
}
Document
Front Matter
DOI: 10.4230/DARTS.8.1.0
Front Matter - ECRTS 2022 Artifacts, Table of Contents, Preface, Artifact Evaluation Committee

Authors: Angeliki Kritikakou and Matthias Becker

Published in: DARTS, Volume 8, Issue 1, Special Issue of the 34th Euromicro Conference on Real-Time Systems (ECRTS 2022)

Abstract
Front Matter - ECRTS 2022 Artifacts, Table of Contents, Preface, Artifact Evaluation Committee
Cite as

Special Issue of the 34th Euromicro Conference on Real-Time Systems (ECRTS 2022). Dagstuhl Artifacts Series (DARTS), Volume 8, Issue 1, pp. 0:i-0:x, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2022)

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@Article{kritikakou_et_al:DARTS.8.1.0,
  author =	{Kritikakou, Angeliki and Becker, Matthias},
  title =	{{Front Matter - ECRTS 2022 Artifacts, Table of Contents, Preface, Artifact Evaluation Committee}},
  pages =	{0:i--0:x},
  journal =	{Dagstuhl Artifacts Series},
  ISSN =	{2509-8195},
  year =	{2022},
  volume =	{8},
  number =	{1},
  editor =	{Kritikakou, Angeliki and Becker, Matthias},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DARTS.8.1.0},
  URN =		{urn:nbn:de:0030-drops-164967},
  doi =		{10.4230/DARTS.8.1.0},
  annote =	{Keywords: Front Matter - ECRTS 2022 Artifacts, Table of Contents, Preface, Artifact Evaluation Committee}
}
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