Interrupt nesting method based on time slice in embedded software
by Yingjie Wang; Kuanjiu Zhou; Jie Pan; Mingchu Li
International Journal of Information and Communication Technology (IJICT), Vol. 17, No. 2, 2020

Abstract: This paper proposed an interrupt handler with a time slice, which is enabled to complete the executing sections of low priority interrupt within the time period of the time slice. This method could not only reduce the numbers of interrupt threads rotations but also save the space to record the interruption scene for interrupt execution. The experimental part used the two types of interrupt handlers by the ordinary queuing model and inserting time slices consecutively, to simulate two-priority interrupt processing in a system. The comparison of simulation experiments shows that: the interrupt handler with time slices could obviously reduce the rotation number of interrupt handling thread switched, thereby saving the space for the interruption of site preservation and providing a reference for further research on the interruption of embedded systems.

Online publication date: Tue, 11-Aug-2020

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