fedora 22 WILL give you all kinds of problems
it is no longer supported
install the current Fedora 24
also according the
http://lttng.org/download/#fedora
this is for the VERY old and VERY dead and long unsupported Fedora 17
and is for using a OS that is using "SystemV "
fedora 22 ,23,24 are using "the NEW "SystemD"