| 实时系统非周期任务的可预测调度研究 |
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| 引用本文： | 赵岭忠,董荣胜,古天龙,蔡国永.实时系统非周期任务的可预测调度研究[J].桂林电子科技大学学报,2001,21(3):18-21. |
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| 作者姓名： | 赵岭忠 董荣胜 古天龙 蔡国永 |
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| 作者单位： | 桂林电子工业学院计算机系, |
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| 基金项目： | 广西青年科学基金资助项目 (编号 :98110 10 ) |
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| 摘 要： | 提出了一种实时系统任务模型 ,分析了该模型中周期和非周期任务可调度的条件 ,并给出了一种强实时非周期任务的可预测调度算法。该算法按照 RMS算法的原则统一调度系统任务 ,保证系统周期和非周期任务满足各自的时限约束 ,实现了强实时非周期任务的可预测调度
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| 关 键 词： | 实时系统 周期任务 非周期任务 可预测调度 |
| 文章编号： | 1001-7437(2001)03-18-04 |
| 修稿时间： | 2001年5月23日 |
Predictable Scheduling of Aperiodic Tasks in Real-time Systems |
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| ZHAO Ling zhong,DONG Rong sheng,GU Tian long,CAI Guo yong.Predictable Scheduling of Aperiodic Tasks in Real-time Systems[J].Journal of Guilin Institute of Electronic Technology,2001,21(3):18-21. |
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| Authors: | ZHAO Ling zhong DONG Rong sheng GU Tian long CAI Guo yong |
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| Abstract: | This paper presents a task model for real time systems and gives the conditions that guarantee periodic and aperiodic tasks to be schedulable respectively. The conditions are used to construct an algorithm by which tasks are scheduled according to the principles of RMS algorithm. The algorithm schedules periodic and aperiodic tasks in the system in such a way that all of their temporal constraints are satisfied and therefore realizes predictable scheduling of hard aperiodic tasks. |
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| Keywords: | real time system periodic task aperiodic task predictable scheduling |
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