# ok
python3 gs_perfconfig help
python3 gs_perfconfig --help
python3 gs_perfconfig -h
python3 gs_perfconfig -?

python3 gs_perfconfig Help
python3 gs_perfconfig --hElp
python3 gs_perfconfig -H
python3 gs_perfconfig -?

# falied
python3 gs_perfconfig xxx
python3 gs_perfconfig --xxx
python3 gs_perfconfig -x
python3 gs_perfconfig -.


# will ignode other param
python3 gs_perfconfig help ddd
python3 gs_perfconfig --help fd
python3 gs_perfconfig -h da
python3 gs_perfconfig -? das