摘要
传统Linux内核在实时性要求高的嵌入式系统和工业控制中存在显著不足,其调度机制和中断响应能力存在明显的不足,尤其在处理高优先级任务时存在较大延迟,难以满足严格的时间约束需求。为了解决这一问题,探讨了Linux内核实时性能优化的方法与实现,尤其是通过Preempt-RT补丁,优化实时互斥锁、优先级继承机制和中断处理,以实现更高效的实时任务调度。
The traditional Linux kernel exhibits significant deficiencies in embedded systems and industrial control with high real-time requirements.Its scheduling mechanism and interrupt response capabilities show notable shortcomings,especially in handling high-priority tasks,where substantial delays occur,making it difficult to meet stringent timing constraints.To address this issue,this paper delves into methods and implementations for optimizing the real-time performance of the Linux kernel,particularly through the Preempt-RT patch,which optimizes real-time mutexes,priority inheritance mechanisms,and interrupt handling to achieve more efficient real-time task scheduling.
出处
《工业控制计算机》
2025年第12期73-75,共3页
Industrial Control Computer
