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Enhancing the Monitoring of Real-Time Performance in Linux
Mälardalen University, School of Innovation, Design and Engineering.
2014 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

There is a growing trend in applying Linux operating system in the domain of embeddedsystems. This is due to the important features that Linux benets from, such as beingopen source, its light weight compared to other major operating systems, its adaptabilityto dierent platforms, and its more stable performance speed. However, there are up-grades that still need to be done in order to use Linux for real-time purposes. A numberof dierent approaches have been suggested in order to improve Linux's performance inreal-time environment. Nevertheless, proposing a correct-by-construction system is verydicult in real-time environment, mainly due to the complexity and unpredictability ofthem. Thus, run-time monitoring can be a helpful approach in order to provide the userwith data regarding to the actual timing behavior of the system which can be used foranalysis and modication of it. In this thesis work, a design for run-time monitoringis suggested and implemented on a real-time scheduler module that assists Linux withreal-time tasks. Besides providing crucial data regarding the timing performance of thesystem, this monitor predicts violations of timing requirements based on the currenttrace of the system performance.

Place, publisher, year, edition, pages
National Category
Embedded Systems
URN: urn:nbn:se:mdh:diva-24798OAI: diva2:709875
2013-11-14, Mälardalen University, Högskoleplan 1, 721 23, Västerås, 14:25 (English)
Available from: 2014-04-09 Created: 2014-04-03 Last updated: 2014-04-09Bibliographically approved

Open Access in DiVA