实时操作系统内核设计中的优化

Optimum Design of the Inner Core of a Real-time Operation System

针对实时操作系统中要求中断响应实时性强的特点 ,提出了将中断响应分为中断处理和中断服务两部分 ,并且根据这种中断响应机制设计了多级中断服务请求队列 ,对临界资源的保护进行了探讨 .这些技术应用于某型号高空无线电高度表 ,使其测高值达到 1 5 0 0 0 m,误差为低空 1 %

Because of the strict requirement of the real time property of interrupt response in a real time operation system, the authors propose that the interrupt response is divided into interrupt processing and interrupt servicing. And a multiple interrupt service request queue is designed for the interrupt response mechanism. The protection of critical resource is discussed. The research result is used for a kind of radio altitude indicator, its measuring height can reach to 15 000m, and the measurement errors of it are separately 1% at low altitude and 2% at high altitude.