--- /dev/null
+<?xml version="1.0"?>
+<facility name="locking">
+ <description>The locking facility instruments the kernel locking.</description>
+ <event name="spin_lock_wait">
+ <description>Takes a spinlock</description>
+ <field name="spinlock"> <description>Spinlock address</description> <pointer> </field>
+ </event>
+
+ <event name="spin_lock_try">
+ <description>Tries a spinlock</description>
+ <field name="spinlock"> <description>Spinlock address</description> <pointer> </field>
+ </event>
+
+ <event name="spin_lock_entry">
+ <description>Get a spinlock</description>
+ <field name="spinlock"> <description>Spinlock address</description> <pointer> </field>
+ </event>
+
+ <event name="spin_lock_exit">
+ <description>Releases a spinlock</description>
+ <field name="spinlock"> <description>Spinlock address</description> <pointer> </field>
+ </event>
+
+
+</facility>