Re: emacs trying to load too many files at startup

[Dan Nicolaescu <dann@ics.uci.edu>]

Eli Zaretskii <eliz@gnu.org> writes:

  > > Cc: emacs-devel@gnu.org
  > > From: Dan Nicolaescu <dann@ics.uci.edu>
  > > I set a breakpoint on Fexpand_file_name instead and that lead to:
  > > 
  > > (gdb)  xbacktrace
  > > "locate-file-internal"
  > > "locate-file"
  > > "mapcar"
  > > "command-line"
  > > "normal-top-level"
  > > 
  > > 
  > > And that seems to indicate this code:
  > > 
  > >   ;; Convert preloaded file names to absolute.
  > >   (setq load-history
  > > 	(mapcar (lambda (elt)
  > > 		  (if (and (stringp (car elt))
  > > 			   (not (file-name-absolute-p (car elt))))
  > > 		      (cons (locate-file (car elt) load-path
  > > 					 load-suffixes)
  > > 			    (cdr elt))
  > > 		    elt))
  > > 		load-history))
  > 
  > Do we know that this code alone is responsible for those 2000 extra
  > calls to stat64?  Is it possible that there's some other code besides
  > Fexpand_file_name that causes some of those calls?

I'm reasonable sure. 4 versions of each file are stat-ed: .el .elc
.el.gz .elc.gz and each is looked up in a few directories in the
load-path...