| 嵌入式操作系统μClinux进程调度研究 |
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| 引用本文： | 白宇,刘建辉.嵌入式操作系统μClinux进程调度研究[J].世界科技研究与发展,2009,31(2):272-275. |
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| 作者姓名： | 白宇 刘建辉 |
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| 作者单位： | 1. 辽宁工程技术大学研究生学院,葫芦岛,125105;辽宁工程技术大学电子与信息工程学院,葫芦岛,125105
2. 辽宁工程技术大学电子与信息工程学院,葫芦岛,125105 |
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| 基金项目： | 辽宁省教育厅高等学校科学研究项目 |
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| 摘 要： | 现今嵌入式系统是发展最为快速的计算机领域，Linux在嵌入式领域占有举足轻重的地位。μClinux从Linux2．0内核版本演化而来，主要针对没有MMU的CPU而定制的操作系统。在实际的应用中将原内核没有使用到的模块裁去，保留最为精简的内核。而所做的这些在微控领域的应用已经足够，并没有关注实时问题。本文着重分析μClinux进程调度算法，提高μClinux操作系统的实时处理能力。借鉴Linux2．6内核进程调度原理，对μClinux进程调度算法改进进行可行性研究。
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| 关 键 词： | O(1)调度器 实时性 内核 进程调度 |
Research of Process Scheduling for μClinux |
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| BAI Yu,LIU Jianhui.Research of Process Scheduling for μClinux[J].World Sci-tech R & D,2009,31(2):272-275. |
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| Authors: | BAI Yu LIU Jianhui |
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| Institution: | BAI Yu, LIU Jianhui ( 1. Graduate College, Liaoning Technical University, Huludao 125105 ; 2. Electronics and Information Engineering Department, Liaoning Technical University, Huludao 125105 ) |
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| Abstract: | Nowadays, embedded system has the most rapid development in the computer field. Linux plays a vital role in the field of embed- ded. μClinux evolved from the version of the core Linux 2.0, targeting for the operate system that＇can be customized and no MMU. In practical applications we reduced the not-used original core module and retained the most streamlined core. As it is sufficient to do so in the field of micro-control application ,there is no real concern about the real-time issue. This article focues on the scheduling algorithm of the μClinux process, and increases the real-time operation capatity of μClinux. Feasibility study on imporoving the process scheduling algorithm is conducted for μClinux based on the principle of process scheduling on Linux2.6 kernel. |
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| Keywords: | O （ 1 ） scheduler real-time kernel process scheduling |
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