CONFIG_CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK (not configurable)
configname: CONFIG_CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK
Linux Kernel Configuration
└─>Device Drivers
└─>CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK
In linux kernel since version 3.10 (release Date: 2013-06-30)
Use ARM global timer clock source as sched_clock