<field name="value_microseconds"><uint size="4"/></field>
</event>
+ <event name="set_timer">
+ <description>A timer is added/modified/migrated.</description>
+ <field name="expires"><ulong/></field>
+ <field name="function"><pointer/></field>
+ <field name="data"><ulong/></field>
+ </event>
+
</facility>