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  • 1.
    Forsberg, Nils
    Mälardalen University, School of Innovation, Design and Engineering.
    Evaluation of Real-Time Performance in Virtualized Environment2011Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    In this report is documented the research, tests and conclusions of a thesis work with the aim of investigating the possibilities of running real-time tasks in a virtualization environment. First we introduce the reader to the concepts and technology we will be touching on, and then we investigate the available solutions. We find that most of these are merely in a theoretical or development stage, and so we evaluate them theoretically. We also attempt to test one of the solutions that are fully developed and available, but fail because of issues related to the design of the solution. Based on our experiences and evaluations we come to the conclusion that the solutions available are lacking, and we give a suggestion of our own that we think should address the issues we have found.

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    report
  • 2.
    Forsberg, Nils
    Mälardalen University, School of Innovation, Design and Engineering.
    Improving a Hardware-based Real-time Kernel: Improving Embedded Systems Performance2014Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
    Abstract [en]

    Embedded systems rely on faster microprocessors and system optimizations to improve their performance. These enhancements are becoming marginal, and so it is interesting to look at other alternatives. This thesis examines the use of a hardware-based kernel called Sierra as an accelerator for software-based real-time operating systems. The software RTOS focused upon is FreeRTOS, and it is compared to Sierra in regards to performance to see if there is actually any improvement to be gained. This proves true, as Sierra is several times faster than FreeRTOS in regards to most of the functionality measured. In order to find out how difficult it would be to perform such acceleration a comparison of the systems is also included, encompassing their architecture, features and functionality. It is showed that the systems are similar in these properties, meaning acceleration would be possible. This information was used in an analysis that shows how to perform the acceleration. The work of implementing system acceleration is not in the scope of this thesis, but the result is presented as a suggestion, or manual, for future work in this vein.

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    Improving a Hardware-based Real-time Kernel
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