gnu-emacs@gentoo.org
Gentoo GNU Emacs project
https://github.com/jschaf/esup/issues/
jschaf/esup
Esup profiles your Emacs startup time by examining all top-level
S-expressions (sexps). Esup starts a new Emacs process from Emacs to
profile each SEXP. After the profiled Emacs is complete, it will exit and
your Emacs will display the results.