check the output of python -m sysconfig | grep HAVE_PERF_TRAMPOLINE to see that RISC-V system does not support perf profile (python312_perf_venv) [root@openeuler-riscv64 pytorch]# python3 -m sysconfig | grep HAVE_PERF_TRAMPOLINE PY_HAVE_PERF_TRAMPOLINE = "0" refer to https://docs.python.org/3.12/howto/perf_profiling.html