Try this:

http://www.saxonica.com/documentation/using-xsl/performanceanalysis.html

(the timing-profile.xsl stylesheet is in the samples directory of the
saxon-resources download)

Of course, it will only tell you which templates were executed in a
particular run.

Michael Kay
http://www.saxonica.com/ 

> -----Original Message-----
> From: Peter Hickman [mailto:peter@xxxxxxxxxxxxx] 
> Sent: 22 May 2008 14:09
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject:  Profiling templates
> 
> I have a lot of data and some stylesheets which have 
> /evolved/ over time. I suspect that the quite a bit of the 
> code is not ever being executed, is there some way of finding 
> the parts of the stylesheet that is never accessed other than 
> embeding xsl:message everywhere?