During December 2024, this developer enhanced multi-CPU task scheduling for the arceos-hypervisor/arceos repository, focusing on improving observability and scalability in multi-core environments. They introduced a cpu_id field within the TaskInner structure and developed the on_cpu API, enabling precise tracking of per-CPU task execution. Working primarily in Rust and leveraging expertise in concurrency and systems programming, the developer’s approach laid a robust foundation for future performance optimizations and metrics collection. Although no bugs were addressed during this period, the work demonstrated depth in systems design and provided essential infrastructure for debugging and analyzing multi-CPU scheduling behavior moving forward.