›› 2013, Vol. 26 ›› Issue (4): 60-.

• 论文 • 上一篇    下一篇

一种机载嵌入式对称多处理机系统互斥策略

李娟,任晓瑞   

  1. (1.中国航空工业计算技术研究所 十八室,陕西 西安 710068;2.中国航空工业计算技术研究所 三室,陕西 西安 710068)
  • 出版日期:2013-04-15 发布日期:2013-06-20
  • 作者简介:李娟(1979—),女,硕士,工程师。研究方向:嵌入式操作系统。E-mail:lenghuoshenying@163.com

An Airborne Embedded Symmetric Multiprocessor Systems Are Mutually Exclusive Strategies

 LI Juan, REN Xiao-Rui   

  1. (1.No.18th Research Room,China National Aero-Technology Research Institute,Xi'an 710068,China;
    2.No.3th Research Room,China National Aero-Technology Research Institute,Xi'an 710068,China)
  • Online:2013-04-15 Published:2013-06-20

摘要:

针对多种商用对称多处理器(SMP)操作系统的互斥策略,重点研究了互斥策略的3个关键问题:自旋锁设计、长期互斥等失效的解决方法和死锁问题。借鉴先进的商用方法,分析不同类型共享资源的特点,设计了高效自旋锁,并在研究死锁竞争条件产生条件的基础上,提出了明确的解决方法。最后,在MPC7410平台上对系统性能进行实测,结果证明,文中互斥策略能够以小的时间开销为代价,有效提高计算机系统处理速度,在机载嵌入式计算机领域有广泛的应用前景。

关键词: 多机操作系统, 短期互斥, 自旋锁, 长期互斥

Abstract:

commercial symmetric multi-processor (SMP) operating system mutex strategy,focusing on three key issues mutually exclusive strategies:Spinlocks design,long-term mutually exclusive failure,and deadlock issues.Learn advanced commercial analysis of the characteristics of the different types of shared resources and design an efficient spin lock and research deadlock competitive conditions produce conditions based on a clear solution.Finally,in the MPC7410 platform on system performance measurement,the results proved mutually exclusive strategies,small time overhead cost of effectively improve the processing speed of a computer system,a wide range of applications in the the airborne embedded computer field.

Key words: multi-operating system;short-term mutually exclusive;spinlock;Long-term mutually exclusive

中图分类号: 

  • TP316