Emacs lisp debug on entry

from blog lmno.lol @alvaro, | ↗ original
Wanted to track down which package was enabling ido-mode on my behalf. debug-on-entry to the rescue. Pass the method name in question and you're good to go. (debug-on-entry 'ido-mode) When done, use cancel. (cancel-debug-on-entry 'ido-mode)