I just installed Devel::PerlySense 0.0180.
I have put the following in my .emacs file:
; PerlySense (load \"~/perly-sense\") (global-unset-key \"\\C-
Emacs, by default, only allows certain keys to be prefixes (the start of multi-key commands). See http://www.gnu.org/software/emacs/manual/html_node/elisp/Prefix-Keys.html You need to create a keymap and bind it to C-p.