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Preemption Point Selection in Limited Preemptive Scheduling using Probabilistic Preemption Costs

Authors:

Filip Markovic, Jan Carlson, Radu Dobrin

Note:

Work In Progress Paper

Publication Type:

Conference/Workshop Paper

Venue:

28th Euromicro Conference on Real-Time Systems

Abstract

Limited Preemptive Scheduling is an attractive paradigm that enables controlling preemption related overheads, by appropriate preemption point selection. The selection of preemption points is essential to ensure schedulability and the associated analysis accounts for upper bounded preemption overheads, thus introducing a potentially high level of pessimism in the results. In this paper we propose a probabilistic distribution model of preemption related overhead and an accompanying method for preemption point selection based on quantiles, which provides controllable probabilistic relaxations. An experimental evaluation demonstrates the improvement of the extent to which this new approach facilitates finding solutions to the preemption point selection problem.

Bibtex

@inproceedings{Markovic4414,
author = {Filip Markovic and Jan Carlson and Radu Dobrin},
title = {Preemption Point Selection in Limited Preemptive Scheduling using Probabilistic Preemption Costs},
note = {Work In Progress Paper},
month = {July},
year = {2016},
booktitle = {28th Euromicro Conference on Real-Time Systems},
url = {http://www.es.mdu.se/publications/4414-}
}