多核虚拟化分区技术在航空电子系统中的应用

Multi-core virtualization and partitioning for avionics system

摘要:

针对当前航空电子系统多核处理平台资源利用率低,用户数量可扩展性不足等问题,提出并实现了一种适用于机载应用的多核分区处理方案,将多核处理器与虚拟化分区技术相结合,解决了用户数量受限于处理器内核数目问题,达到资源利用率最大化目的。实验结果表明,该方法可在同一模块上部署64个以上功能应用,支持多用户协同开发；与传统非对称多处理架构相比,硬件体积减少80%以上,重量减轻75%以上,功耗下降65%以上。提高了系统集成度,实现功能应用的时间、空间和资源访问隔离,提升了系统安全性和可靠性。

Abstract:

The resource utilization of multi-core processing platform for the current avionics system is low. Moreover, the number of system users is limited to cores. Multicore partition method for airborne applications is proposed and implemented, adopting the combination of virtualization and partitioning technology. The limitation of user numbers is resolved, to maximize resource utilization. Experimental results show that the method can be deployed more than 64 functional modules, moreover, multi-user cooperative development is supported ; Compared to traditional asymmetric multiprocessing architecture, the reduction of hardware volume is more than 80%, the weight of more than 75%,and the power dissipation is more than 65%. The degree of system integration is improved, and the functionality of the application of time, space and resource access segregation, so as to achieve the goal of improving system security and reliability.