--- /dev/null
+#ifndef _US_MANAGER_H
+#define _US_MANAGER_H
+
+struct dentry;
+
+
+int usm_register_probe(struct dentry *dentry, unsigned long offset,
+ void *pre_handler, void *jp_handler, void *rp_handler);
+int usm_unregister_probe(struct dentry *dentry, unsigned long offset);
+
+int usm_start(void);
+int usm_stop(void);
+
+struct task_struct;
+
+extern void (*ptr_pack_task_event_info)(struct task_struct *task,
+ int probe_id,
+ int record_type,
+ const char *fmt, ...);
+
+#endif /* _US_MANAGER_H */