RTOS Kernel Optimization: Achieve 0.1μs Response Time

RTOS Kernel Optimization: Achieve 0.1μs Response Time

PART.01Performance Kill: Three Major Tricks to Push RTOS Kernel to the Limit1. Interrupt Response: The “Bloody Evolution” from μs to Clock Cycles Traditional Solution: FreeRTOS default interrupt latency ≥5μs (some industrial control devices measured directly up to 8.7μs); Huawei Black Technology: L1 Cache Preloading Mechanism (measured on Hisilicon Hi1812 chip): T_{latency} = T_{int} + \lceil … Read more

Running VxWorks on Arm Cortex-R82

Running VxWorks on Arm Cortex-R82

Arm Cortex-R82 represents a revolution in real-time processing, combining high-performance 64-bit computing with the deterministic behavior required in embedded systems. Launched by Arm in 2020, it is the first processor in the Cortex-R series to support a full Memory Management Unit (MMU), enabling it to run rich operating systems like Linux while maintaining the low … Read more