说明：  Percepio有一个用于分析跟踪的商业工具。要启用此工具，目标上需要一个记录器。存在记录器...，
(Percepio has a commercial tool for analyzing traces. To enable this tool, a recorder is required on the target. There is a recorder existing for the FreeRTOS system that serves as a reference implementation. To satisfy the increasing embedded linux market, there is a need for a recorder for linux systems. This project targets very small linux)