From DeveloperWorks
To read a trcxml file content, you should use “File” > “Import…” >
“Profiling and Logging” > “Profiling File” option to import the
resource and view the trace data with TPTP views
Update:
Are you looking for hprof-conv? Should be in the sdk/tools directory
Update2:
Sorry, I didn’t see your update, the conversion tool is available as an attachment from the source provided at EclipseWorld 2005. Hope that helps.