摘要
通过对RTAI部分内核代码的分析,指出RTAI中原有的基于双向链表结构的就绪任务队列存在缺陷,在RTAI中引入优先级位图对RTAI的就绪任务队列进行了改进,实现了一个基于优先级位图的双向循环链表的就绪任务队列结构,从而在原有基础上进一步提高了RTAI的实时性,并通过实验加以验证。
This paper points out that the original ready task queue structure based on doubly linked list in RTAI is not flaw-less through analyzing the kernel source code of RTAI. The original task ready queue structure was improved by introducing priority bitmap in RTAI. A double circular linked list structure based on priority bitmap in RTAI was implemented to improve the real-time performance of existing RTAI. Finally, the improvement has been verified by experiments.
出处
《重庆邮电大学学报（自然科学版）》
北大核心
2009年第6期806-810,共5页
Journal of Chongqing University of Posts and Telecommunications(Natural Science Edition)
基金
国家自然科学基金项目(60703010)
