SAP SD benchmark client 900 sap login transaction SU01 error

now in client 900 which sap account should login with pw obelix and can execute su01 and enter user " SAP_PERF"

hit "change" , add the profile "SAP_ALL" to the users profile tab, save and exit?

i used SAP* and SAP_ADMIN to login, and execute su01. "You are not authorized to use transaction SU01"

regards