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An Evaluation of the Dynamic and Static Multiprocessor Priority Ceiling Protocol and the Multiprocessor Stack Resource Policy in an SMP System

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2 Author(s)
Ras, J. ; Dept. of Comput. Sci., Univ. of Houston, Houston, TX ; Cheng, A.M.K.

There has been significant study of implementations of a variety of priority inversion control algorithms in uniprocessor systems, but there has been far less work done on the multiprocessor implementations of these algorithms. Herein, we will present such an evaluation of the Multiprocessor Priority Ceiling Protocol (MPCP) and the Multiprocessor Stack Resource Policy (MSRP). To our knowledge, no such empirical evaluation of these two policies has been conducted prior to this. We will show that the results differ from the previous simulation-based studies and that both policies are more or less equally effective. The main difference is the MSRPpsilas expense. We discuss the efficacy of Ada-2005 and C/POSIX. We also discuss the methods through which we have attempted to overcome Adapsilas weakness in mapping tasks to processors.

Published in:

Real-Time and Embedded Technology and Applications Symposium, 2009. RTAS 2009. 15th IEEE

Date of Conference:

13-16 April 2009