CONFIG_TRACE_PREEMPT_TOGGLE (not configurable)
configname: CONFIG_TRACE_PREEMPT_TOGGLE
Linux Kernel Configuration
└─>Kernel hacking
└─>Tracers
└─>TRACE_PREEMPT_TOGGLE
In linux kernel since version 3.10 (release Date: 2013-06-30)
Enables hooks which will be called when preemption is first disabled,
and last enabled.
and last enabled.