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Towards Partitioned Hierarchical Real-Time Scheduling on Multi-core Processors

Authors:


Publication Type:

Conference/Workshop Paper

Venue:

1st International Workshop on Virtualization for Real-Time Embedded Systems (VtRES13)

Publisher:

ACM


Abstract

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.

Bibtex

@inproceedings{Asberg2997,
author = {Mikael {\AA}sberg and Thomas Nolte and Shinpei Kato},
title = {Towards Partitioned Hierarchical Real-Time Scheduling on Multi-core Processors},
month = {August},
year = {2013},
booktitle = {1st International Workshop on Virtualization for Real-Time Embedded Systems (VtRES13)},
publisher = {ACM},
url = {http://www.es.mdh.se/publications/2997-}
}