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Ralf Ramsauer

Dr.-Ing. Ralf Ramsauer (M.Sc.)

Post-Doc

Mail: ralf.ramsauer@oth-regensburg.de
Phone: +49 941 / 943 - 9267
Address: OTH Regensburg, Galgenbergstrasse 32, 93053 Regensburg
Room: K-230

Open Theses

Minimum Overhead Memory Snapshots – Latency-reduced Copy-on-Write Mechanism in Userspace
 
Type: Master thesis
State: open
Supervisor: Ralf Ramsauer
Student: No Name
Test Framework for Jailhouse on RISC-V
 
Type: Master thesis
State: open
Supervisor: Ralf Ramsauer
Looking for Hardware Hackers: RISC-V on FPGAs
 
Type: Master thesis
State: open
Supervisor: Ralf Ramsauer
Student: No Name

Research Interests

  • Modern Operating System Architectures
  • Embedded Systems
  • Embedded Virtualisation / Hardware Partitioning
  • Hardware/Software Co-Design
  • Real-Time Systems
  • Safety-Critical and Mixed-Criticality Systems

Projects

Supervised Theses

2024

Integration of optical computation in processor architectures for automotive use cases
 
Type: Bachelor thesis
State: finished
Supervisor: Wolfgang Mauerer, Ralf Ramsauer
Student: Florian Schulenberg (submitted: 01. Mar 2024)
Automatisierte Übungserfassung und Wiederholungserkennung mithilfe einer Smartwatch
 
Type: Bachelor thesis
State: finished
Supervisor: Ralf Ramsauer
Student: Markus Schottenhammer (submitted: 13. Mar 2024)
Entwicklung eines Linux-Kernel-Moduls zum transparenten Tunneln von CAN Schnittstellen über IP-Netzwerke
 
Type: Bachelor thesis
State: finished
Supervisor: Ralf Ramsauer
Student: Matthias Unterrainer (submitted: 01. Jul 2024)
Looking for Hardware Hackers: RISC-V on FPGAs
 
Type: Master thesis
State: open
Supervisor: Ralf Ramsauer
Student: No Name

2023

Analysis of Inter-System Delays in Quantum-Classical Computing Co-Designs
 
Type: Master thesis
State: running
Supervisor: Wolfgang Mauerer, Ralf Ramsauer
Project: TAQO-PAM
Student: Andrej Utz
Minimum Overhead Memory Snapshots – Latency-reduced Copy-on-Write Mechanism in Userspace
 
Type: Master thesis
State: open
Supervisor: Ralf Ramsauer
Student: No Name
Reduction of Virtual Memory Management Overhead: Exploration of Hardware Mechanisms for Second-Level Paging
 
Type: Bachelor thesis
State: running
Supervisor: Ralf Ramsauer
Student: Lukas Landgraf
Tailoring CPUs: Custom modifications of the Rocket-Chip Core in Chisel
 
Type: Bachelor thesis
State: running
Supervisor: Ralf Ramsauer
Student: Felix Wagner
Test Framework for Jailhouse on RISC-V
 
Type: Master thesis
State: open
Supervisor: Ralf Ramsauer

2022

Snapshots in Linux Userspace -- Design and Application of a Copy-on-Write Memory Allocation Scheme
 
Type: Master thesis
State: finished
Supervisor: Ralf Ramsauer
Student: Mario Mintel (submitted: 08. Aug 2022)
Kernel-Assisted Copy-on-Write Snapshots for Main-Memory HTAP Databases
 
Type: Master thesis
State: finished
Supervisor: Ralf Ramsauer
Student: Lucas Wolf (submitted: 15. Sep 2022)
Socio-Technical Distillation -- From Micro-Level Responsibilities to Macro-Level Architecture Views
 
Type: Master thesis
State: finished
Supervisor: Ralf Ramsauer, Wolfgang Mauerer
Student: Pia Eichinger (submitted: 30. Sep 2022)

2020

Systemkonsolidierung einer industriellen Robotersteuerung zu einem System gemischter Kritikalitäten mit Standard IT-Komponenten
 
Type: Master thesis
State: finished
Supervisor: Ralf Ramsauer
Student: Tobias Teubl (submitted: 17. Sep 2020)
Maintainers Expectations vs. Maintainers Reality
 
Type: Bachelor thesis
State: finished
Supervisor: Ralf Ramsauer
Student: Pia Eichinger (submitted: 30. Sep 2020)
Diese herausragende Arbeit wurde bereits einem breiteren akademischen und industriellen Publikum vorgestellt.
Combining Patchwork and PaStA
 
Type: Research project
State: finished
Supervisor: Ralf Ramsauer
Student: Rohit Sarkar
Google Summer of Code (GSoC) Student
Erstellung und Evalierung von Benchmarks für Echtzeitanalysen von Hypervisoren unter Linux
 
Type: Master thesis
State: finished
Supervisor: Ralf Ramsauer
Student: Nathan Hausmann

2019

How Spectre Mitigations Affect Real-Time Capabilities of Virtualized Mixed-Criticality Systems on Modern AMD Processors
 
Type: Bachelor thesis
State: finished
Supervisor: Ralf Ramsauer
Student: Andrej Utz (submitted: 09. Aug 2019)
Systemkonsolidierung eines Industrieroboters mit Hilfe des safety-kritischen Hypervisors Jailhouse
 
Type: Bachelor thesis
State: finished
Supervisor: Ralf Ramsauer
Student: Mario Mintel (submitted: 13. Sep 2019)
Analysis of Ignored Patches in the Linux Kernel Development
 
Type: Master thesis
State: finished
Supervisor: Ralf Ramsauer
Student: Sebastian Duda (submitted: 20. Dec 2019)
In Kooperation mit der Friedrich-Alexander Universität Erlangen

2017

Portierung eines Echtzeitbetriebssystems in eine virtualisierte Mixed-Criticality Umgebung
 
Type: Bachelor thesis
State: finished
Supervisor: Ralf Ramsauer
Student: Andreas Kölbl (submitted: 05. May 2017)
Building a Mixed Criticality Multicopter Platform with the Jailhouse Hypervisor
 
Type: Master thesis
State: finished
Supervisor: Ralf Ramsauer
Student: Tobias Kottwitz

External Reporting

2020

The Register
Hidden Linux kernel security fixes spotted before release --- by using developer chatter as a side channel

golem
Fehlende Diskussionen können Sicherheitslücken preisgeben

2019

Linux Weekly News (LWN)
Analyzing Linux Kernel Email