| 基于UC／OS-Ⅱ的混合型优先级适时调度算法 |
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| 引用本文： | 王春枝,张帆.基于UC／OS-Ⅱ的混合型优先级适时调度算法[J].湖北工业大学学报,2008,23(1):46-49. |
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| 作者姓名： | 王春枝 张帆 |
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| 作者单位： | 湖北工业大学计算机学院,湖北,武汉,430068 |
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| 摘 要： | 在分析现有调度机制的基础上，提出了一种新的调度算法．该算法是一种混合型的优先级实时调度算法，由静态优先级、动态子优先级2部分组成，综合了固定优先级调度算法和动态优先级调度算法的优点，既可提高系统满足多任务时限的能力，又能解决优先级反转问题，从而提高了UC／OS-Ⅱ的实时性．
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| 关 键 词： | 时限 重要度 调度算法 UC/OS-Ⅱ |
| 文章编号： | 1003-4684(2008)01-0046-03 |
| 修稿时间： | 2008年1月20日 |
Research on Hybrid Priorities Real Time Scheduling Algorithm |
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| WANG Chun-zhi,ZHANG Fan.Research on Hybrid Priorities Real Time Scheduling Algorithm[J].Journal of Hubei University of Technology,2008,23(1):46-49. |
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| Authors: | WANG Chun-zhi ZHANG Fan |
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| Affiliation: | (School of Computer, Hubei Univ. of Technology, Wuhan 430068, China) |
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| Abstract: | After status quo of existing scheduling mechanism analyzed,a new scheduling mechanism is put forward.It is a hybrid priorities real time scheduling algorithm which consists of two parts: the first is done statically and the second part is the assignment of the dynamic priority.By synthesizing the two algorithms,the deadline of tasks is satisfied and the priority reversal is also avoided. |
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| Keywords: | deadline importance degree scheduling algorithm UC/OS-Ⅱ |
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