Hi, Sir./Madam. : Same to this issue : Click Link I meet the same issue in v3.12 and v3.10, too, please help me --------------------------------------------------------- My Env : > Core : Cortex-M4 > Embedded OS : FreeRTOS-v10 > Desk System : Win10 > Segger SystemView : v3.12 & v3.10 --------------------------------------------------------- What I do: 1. merge the SystemView Code to my project, 2. call SEGGER_SYSVIEW_Conf() & SEGGER_SYSVIEW_Start() at startup. 3. and compile the project , open t…