机构地区: 电子科技大学
出 处: 《电子科技大学学报》 1996年第4期428-431,共4页
摘 要: 实时软件故障与一般软件故障相比,具有一般软件所不具有的故障特征,即超时故障。实时任务分为周期任务和非周期任务,由于两类不同任务的超时特性不同,因而分析方法也不同。文中基于随机过程中事件的平均到达率并用Rate-Monotonic调度算法,分析了非周期任务的超时特性并建立相应的超时故障模型。 compered with non-real time software, real-time software has a tare of fault feature i.e.missed fault, which does not exist in non-real time softwares.Real-time tasks are divided into periodic tasks and aperiodic tasks,Since two kinds of tasks have different missed feature,it is must to use the different analysis method.Based on the average arrival rate of the event in stochastic process and Rate-Monotonic scheduling algorithm,this paper analyses the missed fault feature for aperiodic tasks and builds the model of missed fault.
关 键 词: 实时软件 软件故障 超时 非周期任务 任务调度
领 域: [自动化与计算机技术] [自动化与计算机技术]