Feedback-Controlled Server for Scheduling Aperiodic Tasks

Abstract—This paper proposes a scheduling scheme using feed-back control to reduce the response time of aperiodic tasks with soft real-time constraints. We design an algorithm based on the proposed scheduling scheme and Total Bandwidth Server (TBS) that is a conventional server technique for scheduling aperiodic tasks. We then describe the feedback controller of the algorithm and give the control parameter tuning methods. The simulation study demonstrates that the algorithm can reduce the mean response time up to 26 % compared to TBS in exchange for slight deadline misses