摘要
RTOS(实时操作系统)是嵌入式计算机中的核心软件,对于嵌入式操作系统的应用开发,LINUX系统的优势明显,因此在高校和企业的研究领域中被广泛使用。这些年嵌入式技术快速发展,其中RTOS的实时性能和可靠性等方面要求越来越高。这里主要研究的对象是嵌入式LINUX系统,它在实时性能和可靠性方面表现一直不错,但是传统的策略都存在一定的冗余度。对软实时系统的进程调度算法进行优化研究,设计出新的优化算法。通过实验取50个数据运算结果,对价值完成率和进程完成率进行分析,优化以后的算法大大提升了LINUX系统的效率。
RTOS （ real-time operating system） is the core software in embedded computer.For applying and developing embedded operat-ing system, Linux system has distinct advantages, so it is widely used in research field of universities and enterprises.Nowadays the embed-ded technology develops rapidly, among which the requirement of real-time performance and reliability of RTOS calls for high quality.The main subject studied in this paper is the embedded Linux system.Its performance in terms of real-time performance and reliability has been good, but the traditional strategies all have some redundancy, so we study the optimisation of process scheduling algorithm for soft real-time system, and design a new optimisation algorithm.Through examination we obtain 50 data operation results, and analyse their value completion rate and process completion rate.The optimised algorithm greatly improves the efficiency of Linux system.
出处
《计算机应用与软件》
CSCD
北大核心
2014年第12期278-282,共5页
Computer Applications and Software
基金
安徽省高校自然科学研究项目(KJ2013Z295)
安徽省省级教学研究项目(20101177)
