CONFIG_VF_USE_ARM_GLOBAL_TIMER is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
Use ARM Global Timer
configname: CONFIG_VF_USE_ARM_GLOBAL_TIMER
Clocksource for scheduler clock
└─>Use ARM Global Timer
In linux kernel since version 3.19 (release Date: 2015-02-08)
Use the ARM Global Timer as clocksource