main.c

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

void slankdev_test()
{
	puts("fuckin");
}

int main()
{
  while (1) {
    slankdev_test();
    sleep(1);
  }
}

makefile

all:
	g++ -static main.c

slankdev.py

#!/usr/bin/env python
from bcc import BPF


bpf_program = """
void call(struct pt_regs *ctx) { bpf_trace_printk("call\\n"); }
void ret (struct pt_regs *ctx) { bpf_trace_printk("ret\\n");  }
void pp  (void* c)             { bpf_trace_printk("puts\\n"); }
"""


trace_pgm_name = "./a.out"
b = BPF(text=bpf_program)
b.attach_uprobe   (name=trace_pgm_name, sym="_Z13slankdev_testv", fn_name="call")
b.attach_uretprobe(name=trace_pgm_name, sym="_Z13slankdev_testv", fn_name="ret")
b.attach_uprobe   (name=trace_pgm_name, sym="puts"              , fn_name="pp")


while True:
    print(b.trace_fields())