CONFIG_APPLDATA_OS is not available for thedefaultarchitecture x86.
Result is shown for architecture s390

Monitor OS statistics

modulename: appldata_os.ko

configname: CONFIG_APPLDATA_OS

Linux Kernel Configuration
└─>Virtualization
└─>Monitor OS statistics
In linux kernel since version 2.6.12  
This provides OS related data to the Linux - VM Monitor Stream, like
CPU utilisation, etc.
Writing 1 or 0 to /proc/appldata/os creates(1) or removes(0) a z/VM
APPLDATA monitor record, i.e. enables or disables monitoring this record
on the z/VM side.

Default is disabled.
This can also be compiled as a module, which will be called
appldata_os.o.

source code: