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Abstract: Energy-efficient real-time task scheduling has been actively explored in thepast decade. Different from the past work, this paper considers schedulabilityconditions for stochastic real-time tasks. A schedulability condition is firstpresented for frame-based stochastic real-time tasks, and several algorithmsare also examined to check the schedulability of a given strategy. An approachis then proposed based on the schedulability condition to adapt acontinuous-speed-based method to a discrete-speed system. The approach is ableto stay as close as possible to the continuous-speed-based method, but stillguaranteeing the schedulability. It is shown by simulations that the energysaving can be more than 20% for some system configurations



Autor: Vandy Berten, Chi-Ju Chang, Tei-Wei Kuo

Fuente: https://arxiv.org/







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