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In preemptive real-time systems, scheduling analyses need-in addition to the worst-case execution time-the context-switch cost. In case of preemption, the preempted and the preempting task may interfere on the cache memory. This interference leads to additional cache misses in the preempted task. The delay due to these cache misses is referred to as the cache-related preemption delay (CRPD), which constitutes the major part of the context-switch cost. In this paper, we present a new approach todoi:10.1145/1755888.1755911 dblp:conf/lctrts/AltmeyerMR10 fatcat:6nbuzf3dpvh7fpffrqwnro5ewa