CONFIG_VF_USE_PIT_TIMER is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
Use PIT timer
configname: CONFIG_VF_USE_PIT_TIMER
Clocksource for scheduler clock
└─>Use PIT timer
In linux kernel since version 3.10 (release Date: 2013-06-30)
Use SoC Periodic Interrupt Timer (PIT) as clocksource