How do i fetch the value of RecursiveLevel from httpcontext. [ iis7 native module]

In Failed request trace logs, the request shows
GENERAL_CHILD_REQUEST_START SiteId="1", RequestURL="http://test_server.com:80/protected/Default.asp", RequestVerb="GET", RecursiveLevel="2"

I want to know the RecursiveLevel of my request. But there are no methods in IHttpRequest to get the Recursive value.