On μC/OS-II Real-time Mixed Type Duty Dispatch
Liu Cheng-bin · Journal of Xinzhou Teachers University · 2007
Regarding real-time mixed type duty dispatch,based on NP question analysis research,The threshold based dual-level priority algorithm integrates preemptive scheduling and non-preemptive scheduling in the layermodel.The schedule ability of jobs can be improved by the algorithm,and the system overhead introduced by preemption can be reduced,too.Assigning thresholds is in the core of the algorithm.The response time of lower priority job can not be affected by thresholds of higher priority jobs while inverse is not.Assuming that job priorities are already known,the job can be assigned a set of maximum thresholds which can improve the performance of the scheduling algorithm.Enables various queue to achieve the duty assignment a use factor very good degree.