| 关于Linux内核可抢占性方法研究与实现 |
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| 引用本文： | 贺永红,王子牛.关于Linux内核可抢占性方法研究与实现[J].贵州工业大学学报(自然科学版),2006,35(5):48-50,60. |
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| 作者姓名： | 贺永红 王子牛 |
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| 作者单位： | 贵州大学信息工程学院,贵州,贵阳,550003 |
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| 摘 要： | 标准Linux内核是不能被抢占的,致使调度延迟较大,这是导致Linux系统实时性不强的主要原因,对Linux内核不可抢占性进行了深入分析,阐述了两种降低调度延迟的方案：低延迟方案和内核抢占式方案,并对这两种方案进行了测试与分析。
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| 关 键 词： | Linux 内核抢占 调度延迟 实时系统 |
| 文章编号： | 1009-0193（2006）05-0048-03 |
| 收稿时间： | 2006-07-25 |
| 修稿时间： | 2006-07-25 |
Research on Preemptability and Implementation of Linux Kernel |
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| HE Yong-hong,WANG Zi-niu.Research on Preemptability and Implementation of Linux Kernel[J].Journal of Guizhou University of Technology(Natural Science Edition),2006,35(5):48-50,60. |
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| Authors: | HE Yong-hong WANG Zi-niu |
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| Institution: | Guizhou University, Guiyang 550003, China |
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| Abstract: | Standard Linux kernel is non-preemptive,which leads to long latency and poor real-time- ness of Linux.The non-preemption was analyzed,and two schemes of reducing scheduler latency were described:LOW Latency Patch and Preemption Patch.Finally the results were presented. |
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| Keywords: | Linux kernel preemption scheduler-latency real-time system |
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