emit BTF data using -g flag

examples/c-form/Makefile

@@ -1,16 +1,16 @@
 BPF_CLANG := clang
 CFLAGS := -O2 -emit-llvm -target bpf -c
 
-SRC := example.bpf.c
+SRC := ex3.bpf.c
-OUT := example.bpf.ll
+OUT := ex3.bpf.ll
-OBJECT := example.bpf.o
+OBJECT := ex3.bpf.o
 
 .PHONY: all clean
 
 all: $(OUT)
 	
 object: $(SRC)
-	$(BPF_CLANG) -O2 -target bpf -c $< -o $(OBJECT)
+	$(BPF_CLANG) -O2 -g -target bpf -c $< -o $(OBJECT)
 
 $(OUT): $(SRC) object
 	$(BPF_CLANG) $(CFLAGS) -S $< -o $@

examples/c-form/ex3.bpf.c

@@ -11,7 +11,7 @@ struct {
     __type(value, u64);
 } last SEC(".maps");
 
-SEC("kprobe/YOUR_PROBE_POINT")  // Replace with actual probe point
+SEC("kprobe/sys_clone")  // Replace with actual probe point
 int do_trace(struct pt_regs *ctx) {
     u64 ts, *tsp, delta, key = 0;