diff --git a/plugin/driver/eBPF/kernel/Makefile b/plugin/driver/eBPF/kernel/Makefile
index 6b596d57..b6117601 100644
--- a/plugin/driver/eBPF/kernel/Makefile
+++ b/plugin/driver/eBPF/kernel/Makefile
@@ -56,11 +56,13 @@ all:
 	$(MAKE) hades_ebpf_driver.o -s --no-print-directory
 	$(shell cp hades_ebpf_driver.o ../userspace/hades_ebpf_driver.o)
 
+# KBUILD_NAME: https://github.com/iovisor/bpftrace/pull/1352
 hades_ebpf_driver.o: src/hades.c
 	$(CMD_CLANG) src/hades.c -S \
 		-D__BPF_TRACING__ \
 		-D__KERNEL__ \
 		-D__TARGET_ARCH_$(linux_arch) \
+		-DKBUILD_MODNAME=\"hades\" \
 		-include $(KERN_SRC_PATH)/include/linux/kconfig.h \
 		-I $(KERN_SRC_PATH)/arch/$(linux_arch)/include \
 		-I $(KERN_SRC_PATH)/arch/$(linux_arch)/include/uapi \
diff --git a/plugin/driver/eBPF/kernel/include/hades_uprobe.h b/plugin/driver/eBPF/kernel/include/hades_uprobe.h
index 2fabf3bd..4715c8e7 100644
--- a/plugin/driver/eBPF/kernel/include/hades_uprobe.h
+++ b/plugin/driver/eBPF/kernel/include/hades_uprobe.h
@@ -51,4 +51,13 @@ int uretprobe_bash_readline(struct pt_regs *ctx)
 // And uprobe (maybe, I have not checked yet) can be used in kernel version
 // lower 4.18, above 3.18 (maybe). The way we used in k(ret)probe/uprobe, 
 // the pt_regs, seems to be used in kernel > 4.17. We need to change the 
-// format.
\ No newline at end of file
+// format.
+// SEC("uprobe/JVM_GC")
+// int uprobe_JVM_GC(struct pt_regs *ctx)
+// {
+//     event_data_t data = {};
+//     if (!init_event_data(&data, ctx))
+//         return 0;
+//     data.context.type = 2001;
+//     return events_perf_submit(&data);
+// }
\ No newline at end of file
diff --git a/plugin/driver/eBPF/kernel/include/utils.h b/plugin/driver/eBPF/kernel/include/utils.h
index f56187bd..cdd1c64a 100644
--- a/plugin/driver/eBPF/kernel/include/utils.h
+++ b/plugin/driver/eBPF/kernel/include/utils.h
@@ -7,7 +7,6 @@
 #include <linux/fdtable.h>
 #include <utils_buf.h>
 #include <linux/mm_types.h>
-#define KBUILD_MODNAME "hades"
 #include <net/ipv6.h>
 #include <linux/ipv6.h>
 
diff --git a/plugin/driver/eBPF/userspace/decoder/event.go b/plugin/driver/eBPF/userspace/decoder/event.go
index e24f9296..9f212a0a 100644
--- a/plugin/driver/eBPF/userspace/decoder/event.go
+++ b/plugin/driver/eBPF/userspace/decoder/event.go
@@ -16,6 +16,10 @@ type Event interface {
 var eventMap map[uint32]Event = make(map[uint32]Event)
 
 func Regist(event Event) {
+	// if event.ID() != 2001 {
+	// 	return
+	// }
+	// fmt.Println(event.String(), " loaded!")
 	eventMap[event.ID()] = event
 }