Abstract
In scheduling algorithms based on the Rate Monotonic (RM) method widely used in development of real-time systems, tasks with shorter periods have higher priorities. In contrast, ones with longer periods are likely to suffer from increased response times and jitters due to their lower priorities. We proposed the Execution Right Delegation (ERD) method for uniprocessor systems based on RM where a high-priority server for a privileged (or important) task is introduced to shorten response times of the task. In this paper, we propose an extended ERD method for multiprocessor systems. Our system model is based on partitioned systems while only a privileged task can migrate. In the evaluation, it is confirmed that response times of a privileged task are reduced compared with partitioned Fixed-Task-Priority(FTP) and global FTP scheduling.
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