xfce4-panel-plugin-cpufreq from openSUSE:Backports:SLE-15 project
Seleziona il sistema operativo
Aggiungi il repository e installa manualmente
Per standard eseguire quanto segue come root:
zypper addrepo https://download.opensuse.org/repositories/openSUSE:Backports:SLE-15/standard/openSUSE:Backports:SLE-15.repo zypper refresh zypper install xfce4-panel-plugin-cpufreq