# Debug user space Source: [https://docs.qualcomm.com/doc/80-88500-3/topic/90_Debug_userspace_.html](https://docs.qualcomm.com/doc/80-88500-3/topic/90_Debug_userspace_.html) This section describes the debugging procedures for user space. - **[Run system trace](https://docs.qualcomm.com/doc/80-88500-3/topic/91_Run_system_trace.html)** - **[Trigger backtrace via code in user space](https://docs.qualcomm.com/doc/80-88500-3/topic/92_Trigger_backtrace_via_code_in_userspace.html)** - **[Check memory used by application](https://docs.qualcomm.com/doc/80-88500-3/topic/93_Check_memory_used_by_application.html)** - **[Collect Ftrace](https://docs.qualcomm.com/doc/80-88500-3/topic/94_Collect_Ftrace.html)** - **[Run clock dump](https://docs.qualcomm.com/doc/80-88500-3/topic/95_Run_clockdump.html)** - **[Debug GPU busy status](https://docs.qualcomm.com/doc/80-88500-3/topic/96_Debug_GPU_busy_status.html)** - **[Check free memory](https://docs.qualcomm.com/doc/80-88500-3/topic/97_Check_free_memory.html)** - **[Measure DDR clock (DDR status)](https://docs.qualcomm.com/doc/80-88500-3/topic/98_Measure_DDR_clock__DDR_status__.html)** **Parent Topic:** [Debug mechanisms](https://docs.qualcomm.com/doc/80-88500-3/topic/77_Debugging_procedures.html) Last Published: Sep 26, 2023 [Previous Topic Debugging logs](https://docs.qualcomm.com/bundle/publicresource/80-88500-3/topics/89_Debugging_logs.md) [Next Topic Run system trace](https://docs.qualcomm.com/bundle/publicresource/80-88500-3/topics/91_Run_system_trace.md)