A real-time performability evaluation tool

摘要

In this paper, we describe a performability evaluation tool which will aid in the design and analysis of trade-offs between performance and reliability of real-time systems. and in estimating the amount of slack time in deadlines required to achieve a desired performability. Our model and tool permit the in-clusion of hardware, software, and communication failures, as well as task delays, task re-execution and task migration.