Kernel Function Probe (fprobe)

modulename: fprobe.ko

configname: CONFIG_FPROBE

Linux Kernel Configuration
└─>Kernel hacking
└─>Kernel Function Probe (fprobe)
In linux kernel since version 5.2 (release Date: 2019-07-07)  
This option enables kernel function probe (fprobe) based on ftrace.
The fprobe is similar to kprobes, but probes only for kernel function
entries and exits. This also can probe multiple functions by one

If unsure, say N.

source code: