diff --git a/source/module/monitor_kernel.h b/source/module/monitor_kernel.h
index e796d2a..1171f2e 100644
--- a/source/module/monitor_kernel.h
+++ b/source/module/monitor_kernel.h
@@ -14,4 +14,4 @@ void clear_watch(pid_t pid);
 
 enum hrtimer_restart check_variable_cb(struct hrtimer *timer);  // callback
 
-int diag_test(int nid); // for test
+static int diag_test(int nid); // for test
diff --git a/source/module/monitor_kernel_lib.c b/source/module/monitor_kernel_lib.c
index cff51d7..1e5af32 100644
--- a/source/module/monitor_kernel_lib.c
+++ b/source/module/monitor_kernel_lib.c
@@ -276,25 +276,25 @@ enum hrtimer_restart check_variable_cb(struct hrtimer *timer) {
   return HRTIMER_RESTART; // restart timer
 }
 
-static void test(struct task_struct *p, variable_monitor_task *tsk_info, unsigned long *flags){
-  unsigned int nr_bt;
+static void test(struct task_struct *p, variable_monitor_task *tsk_info){
+  // unsigned int nr_bt;
   printk(KERN_INFO "diag_tsk\n");
   diag_task_brief(p, &tsk_info->task); // task brief
   // printk("1\n");
   diag_task_user_stack(p, &tsk_info->user_stack); // user stack
   diag_task_raw_stack(p, &tsk_info->raw_stack);   // raw stack
-  nr_bt = diag_task_kern_stack(p, &tsk_info->kern_stack); // kernel stack
+  diag_task_kern_stack(p, &tsk_info->kern_stack); // kernel stack
   dump_proc_chains_argv(1, p, &mm_tree_struct,
                         &tsk_info->proc_chains); // proc chains
+}
 
-  put_task_struct(p);
-
-  diag_variant_buffer_spin_lock(&load_monitor_variant_buffer, flags);
+static void test2(variable_monitor_task *tsk_info, unsigned long *flags){
+  diag_variant_buffer_spin_lock(&load_monitor_variant_buffer, *flags);
   diag_variant_buffer_reserve(&load_monitor_variant_buffer,sizeof(variable_monitor_task));
   diag_variant_buffer_write_nolock(&load_monitor_variant_buffer, &tsk_info,
                                    sizeof(variable_monitor_task));
   diag_variant_buffer_seal(&load_monitor_variant_buffer);
-  diag_variant_buffer_spin_unlock(&load_monitor_variant_buffer, flags);
+  diag_variant_buffer_spin_unlock(&load_monitor_variant_buffer, *flags);
 }
 
 static int diag_test(int nid){
@@ -327,11 +327,11 @@ static int diag_test(int nid){
   get_task_struct(tsk);
   rcu_read_unlock();
 
-  // test(tsk, &tsk_info);
+  test(tsk, &tsk_info);
 
   put_task_struct(tsk);
 
-  // test2(&tsk_info, &flags);
+  test2(&tsk_info, &flags);
   
   return 0;
 }
\ No newline at end of file