Since you found Techniques for isolating bugs in perl, it's perhaps reasonable that you also found this recent thread: Analyzing coredump using perl ... In case you didn't, and are still searching for tools, I copied the links below.
alicia
memgrep
coreinfo
Good luck,
In reply to Re: Perl coredump analysis tool ?
by planetscape
in thread Perl coredump analysis tool ?
by renodino
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