How can I find the servlet class name from inside a ServletFilter?

Ive implemented a servlet filter, but need to discover the class name of any servlet class that gets executed.
Ive dug through the spec and cant seem to find any path to do this.
Seems the methods needed to do this have been deprecated. (for security reasons?)
Is there any way to write a ServletFilter to grab this info?
If not, is there any other way to capture every servlet execution in the container, time its execution, and log the class name along with the execution time?
(***WITHOUT*** requiring a classpath over ride of any container provider classes)
Any help is much appreciated. Been banging my head against this for some time now :(

request.getServletPath() returns the part of the URL which refers to the servlet. It isn't the classname of the servlet but it should be a reasonable surrogate. If you log that, then you could write some code which reads your web.xml and uses the servlet-mapping elements to convert it to servlet class names later.

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