CONFIG_BIG_LITTLE is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
big.LITTLE support (Experimental)
configname: CONFIG_BIG_LITTLE
Linux Kernel Configuration
└─>Kernel Features
└─>big.LITTLE support (Experimental)
In linux kernel since version 3.13 (release Date: 2014-01-19)
This option enables support selections for the big.LITTLE
system architecture.
system architecture.