получить и установить переменные в файле конфигурации (Get and set variables in a configuration file.)
Параметры (Options)
-l, --list
Show current config variables, name and value, for all
sections.
--user
For writing and reading options: write to user
$HOME/.perfconfig file or read it.
--system
For writing and reading options: write to system-wide
$(sysconfdir)/perfconfig or read it.
