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

depends
CONFIG_ARM_GLOBAL_TIMER |
NOT | CONFIG_ARCH_USES_GETTIMEOFFSET or CONFIG_GENERIC_CLOCKEVENTS