FCXxxx631E No Linux data available

Explanation
You tried to select the Linux performance data selection menu LINUXMEN,
but no Linux internal performance information is currently available
because the system has not been set up to produce such data.

System action
The Linux performance data selection menu is not shown.

User response
Inform your systems programmer of the problem and make sure that
the prerequisite setup is made. See "Monitoring
Linux Internal Performance Data" in the z/VM: Performance Toolkit Guide for more information.