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Towards Partitioned Hierarchical Real-Time Scheduling on Multi-core Processors
Mälardalen University, School of Innovation, Design and Engineering. IS (Embedded Systems).ORCID iD: 0000-0001-6157-5199
Mälardalen University, School of Innovation, Design and Engineering. (IS (Embedded Systems))ORCID iD: 0000-0001-6132-7945
University of California, Santa Cruz, USA.
2013 (English)Conference paper, Published paper (Refereed)
Abstract [en]

This paper extends previous work on hierarchical scheduling to multi-core systems. We have implemented partitioned multi-core scheduling of servers in the Linux kernel, using the scheduling framework ExSched. Neither ExSched nor the presented scheduler require any modifications to the Linux kernel. Hence, this makes the installation and kernel-version updates easier. We also present a user-space simulator which can be used when developing new multi-core hierarchical schedulers (plug-ins) for ExSched. We evaluate the overhead of our new multi-core hierarchical scheduler and compare it to a single-core hierarchical scheduler. Our results can be useful for developers that want to minimize the scheduler overhead when using partitioned hierarchical multi-core scheduling.

Place, publisher, year, edition, pages
2013.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:mdh:diva-21406OAI: oai:DiVA.org:mdh-21406DiVA: diva2:647611
Conference
1st International Workshop on Virtualization for Real-Time Embedded Systems (VtRES13, Taipeh, Taiwan, August 2013
Projects
SYNOPSIS - Safety Analysis for Predictable Software Intensive Systems
Available from: 2013-09-11 Created: 2013-09-11 Last updated: 2013-12-03Bibliographically approved

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