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The Design and Implementation of Multiprocessor Support for an Industrial Operating System Kernel
Responsible organisation
2009 (English)In: International Journal of Computers and Their Applications, ISSN 1076-5204, Vol. 16, no 1, 59-68 p.Article in journal (Refereed) Published
Abstract [en]

The ongoing transition from uniprocessor to multi-core computers requires support from the operating system kernel. Although many general-purpose multiprocessor operating systems exist, there is a large number of specialized operating systems which require porting in order to work on multiprocessors. In this paper we describe the multiprocessor port of a cluster operating system kernel from a producer of industrial systems. Our initial implementation uses a giant locking scheme that serializes kernel execution. We also employed a method in which CPU-local variables are placed in a special section mapped to per-CPU physical memory pages. The giant lock and CPU-local section allowed us to implement an initial working version with only minor changes to the original code, although the giant lock and kernel-bound applications limit the performance of our multiprocessor port. Finally, we also discuss experiences from the implementation.

Place, publisher, year, edition, pages
2009. Vol. 16, no 1, 59-68 p.
Keyword [en]
Multiprocessor, operating system, kernel, cluster, porting, implementation experiences
National Category
Computer Science
Identifiers
URN: urn:nbn:se:bth-8052Local ID: oai:bth.se:forskinfo1E3E7BE5FB2540E0C12575D20032523COAI: oai:DiVA.org:bth-8052DiVA: diva2:835739
Available from: 2012-09-18 Created: 2009-06-11 Last updated: 2015-06-30Bibliographically approved

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Grahn, HåkanLundberg, Lars
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