what's pt-stalk's smallest privileges

ps -ef | grep pt-stalk
we can use the ps command to see the plain text password
can pt-stalk hide the password in ps like mysqldump?

You can start pt-stalk using --ask-pass
https://www.percona.com/doc/percona-toolkit/LATEST/pt-stalk.html#cmdoption-pt-stalk-ask-pass

thanks carlos.salguero