Clocksource PRCMU Timer sched_clock
configname: CONFIG_CLKSRC_DBX500_PRCMU_SCHED_CLOCK
Linux Kernel Configuration
└─>Device Drivers
└─>Clock Source drivers
└─>Clocksource PRCMU Timer sched_clock
In linux kernel since version 3.1 (release Date: 2011-10-24)
Use the always on PRCMU Timer as sched_clock