| 嵌入式Linux操作系统的实时性能研究与改进 |
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| 引用本文： | 董彧先. 嵌入式Linux操作系统的实时性能研究与改进[J]. 电脑学习, 2010, 0(2): 90-91 |
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| 作者姓名： | 董彧先 |
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| 作者单位： | 天津铁道职业技术学院网络教研室,天津,300240 |
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| 摘 要： | 从三方面提出改善Linux实时性能的措施：为提高嵌入式应用响应时间精度,提出两种细化Linux时钟粒度方法;为增强系统内核对实时任务的响应能力,增强Linux内核的可抢占性,提出插入抢占方法;为扩展系统适用范围,提出可支持多实时调度策略的调度方案。
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| 关 键 词： | Linux 嵌入式系统 实时性 调度策略 抢占 |
Research and Improvement of Real-time Performance of Embedded Linux Operation System |
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| Dong Yuxian. Research and Improvement of Real-time Performance of Embedded Linux Operation System[J]. Computer Study, 2010, 0(2): 90-91 |
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| Authors: | Dong Yuxian |
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| Affiliation: | Dong Yuxian |
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| Abstract: | The paper gives rise to three aspects to improve the real-time capability of Linux:To improve the time precision for embedded application,two methods for creating accruate timer are proposed.To enhance the response ability of real-time task,inserting preemption points is adopted to enhance the preemptability of Linux kernel.The method of new scheduling plan is discussed and its aim is to support real-time scheduling policies as more as possible and extend system's application range. |
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| Keywords: | Linux Embedded System Real-time Schedule Policies Preemption |
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