GNU bug report logs - #35503
27.0.50; Startup output and slowdown break Emacs batch applications

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Package: emacs; Severity: important; Reported by: Anders Lindgren <andlind@HIDDEN>; Keywords: security; merged with #34180; dated Tue, 30 Apr 2019 14:44:01 UTC; Maintainer for emacs is bug-gnu-emacs@HIDDEN.
Forcibly Merged 34180 35503. Request was from npostavs@HIDDEN to control <at> debbugs.gnu.org. Full text available.

Message received at 35503 <at> debbugs.gnu.org:


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From: Eli Zaretskii <eliz@HIDDEN>
To: Robert Pluim <rpluim@HIDDEN>
In-reply-to: <m2h8af5ytv.fsf@HIDDEN> (message from Robert Pluim on Tue, 30
 Apr 2019 16:53:32 +0200)
Subject: Re: bug#35503: 27.0.50;
 Startup output and slowdown break Emacs batch applications
References: <CABr8ebb85rMJE+hQCj-ijZ8UiadXN8LPuo74N0BPAno2Oo3gpw@HIDDEN>
 <m2h8af5ytv.fsf@HIDDEN>
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> From: Robert Pluim <rpluim@HIDDEN>
> Date: Tue, 30 Apr 2019 16:53:32 +0200
> Cc: 35503 <at> debbugs.gnu.org
> 
> >>>>> On Tue, 30 Apr 2019 16:42:48 +0200, Anders Lindgren <andlind@HIDDEN> said:
> 
>     Anders> Hi!  I'm maintaining an Emacs batch application, e2ansi
>     Anders> (*).
> 
>     Anders> I just noticed two problems when using Emacs 27.
> 
>     Anders> 1) It prints a lot of output, whereas earlier versions are
>     Anders> quiet. The output include tons of "Loading xxx..." but
>     Anders> also the lines "dump mode: nil" and "Using load-path ...".
> 
>     Anders> 2) Startup times has increased from 0.11 seconds to 2.36
>     Anders> seconds.
> 
>     Anders> To test this, simply run:
> 
>     Anders> time PATH-TO-Emacs --batch -Q
> 
>     Anders> I'm using a prebuilt Emacs from "emacsformacos.com". I've
>     Anders> tested the official Emacs 26.2 and the latest Emacs 27
>     Anders> "nightie".
> 
> My crystal ball says that PATH-TO-Emacs is really a symlink to the
> actual location of Emacs. In that case, Emacs cannot (currently)
> locate its dump file, hence all the output. If you run Emacs using the
> fully specified real path, it should be much faster.

My crystal ball agrees.

In general, the description means that Emacs didn't find its pdump
file, so it loads all the preloaded packages anew.




Information forwarded to bug-gnu-emacs@HIDDEN:
bug#35503; Package emacs. Full text available.

Message received at 35503 <at> debbugs.gnu.org:


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From: Robert Pluim <rpluim@HIDDEN>
To: Anders Lindgren <andlind@HIDDEN>
Subject: Re: bug#35503: 27.0.50;
 Startup output and slowdown break Emacs batch applications
References: <CABr8ebb85rMJE+hQCj-ijZ8UiadXN8LPuo74N0BPAno2Oo3gpw@HIDDEN>
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 (Anders Lindgren's message of "Tue, 30 Apr 2019 16:42:48 +0200")
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>>>>> On Tue, 30 Apr 2019 16:42:48 +0200, Anders Lindgren <andlind@HIDDEN> said:

    Anders> Hi!  I'm maintaining an Emacs batch application, e2ansi
    Anders> (*).

    Anders> I just noticed two problems when using Emacs 27.

    Anders> 1) It prints a lot of output, whereas earlier versions are
    Anders> quiet. The output include tons of "Loading xxx..." but
    Anders> also the lines "dump mode: nil" and "Using load-path ...".

    Anders> 2) Startup times has increased from 0.11 seconds to 2.36
    Anders> seconds.

    Anders> To test this, simply run:

    Anders> time PATH-TO-Emacs --batch -Q

    Anders> I'm using a prebuilt Emacs from "emacsformacos.com". I've
    Anders> tested the official Emacs 26.2 and the latest Emacs 27
    Anders> "nightie".

My crystal ball says that PATH-TO-Emacs is really a symlink to the
actual location of Emacs. In that case, Emacs cannot (currently)
locate its dump file, hence all the output. If you run Emacs using the
fully specified real path, it should be much faster.

Robert




Information forwarded to bug-gnu-emacs@HIDDEN:
bug#35503; Package emacs. Full text available.

Message received at submit <at> debbugs.gnu.org:


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From: Anders Lindgren <andlind@HIDDEN>
Date: Tue, 30 Apr 2019 16:42:48 +0200
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Subject: 27.0.50; Startup output and slowdown break Emacs batch applications
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--000000000000d587900587c06a1e
Content-Type: text/plain; charset="UTF-8"

Hi!

I'm maintaining an Emacs batch application, e2ansi (*).

I just noticed two problems when using Emacs 27.

1) It prints a lot of output, whereas earlier versions are quiet. The
output include tons of "Loading xxx..." but also the lines "dump mode: nil"
and "Using load-path ...".

2) Startup times has increased from 0.11 seconds to 2.36 seconds.

To test this, simply run:

time PATH-TO-Emacs --batch -Q

I'm using a prebuilt Emacs from "emacsformacos.com". I've tested the
official Emacs 26.2 and the latest Emacs 27 "nightie".

(*) e2ansi adds syntax highlighting to pagers like "more" and "less" in the
terminal. It starts an Emacs in batch mode, run font-lock and renders the
highlighted result using ANSI sequences, which the pager presents. It can
be found at https://github.com/Lindydancer/e2ansi

Sincerely,
    Anders Lindgren


In GNU Emacs 27.0.50 (build 1, x86_64-apple-darwin14.5.0, NS appkit-1348.17
Version 10.10.5 (Build 14F2109))
 of 2019-04-30 built on macpro.lan
Windowing system distributor 'Apple', version 10.3.1348
System Description:  Mac OS X 10.10.5

Recent messages:
Loading vc/ediff-hook...done
Loading uniquify...done
Loading electric...done
Loading emacs-lisp/eldoc...done
Loading cus-start...done
Loading tooltip...done
Loading
/Applications/Emacs27.0-2019-04-30.app/Contents/Resources/lisp/leim/leim-list.el
(source)...done
Finding pointers to doc strings...done
For information about GNU Emacs and the GNU system, type C-h C-a.
Loading loadup.el (source)...done

Configured using:
 'configure --with-ns '--enable-locallisppath=/Library/Application
 Support/Emacs/${version}/site-lisp:/Library/Application
 Support/Emacs/site-lisp' --with-modules'

Configured features:
NOTIFY KQUEUE ACL GNUTLS LIBXML2 ZLIB TOOLKIT_SCROLL_BARS NS MODULES
THREADS PDUMPER

Important settings:
  value of $LC_CTYPE: UTF-8
  value of $LANG: en_SE.UTF-8
  locale-coding-system: utf-8-unix

Major mode: Lisp Interaction

Minor modes in effect:
  tooltip-mode: t
  global-eldoc-mode: t
  eldoc-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  tool-bar-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: t

Load-path shadows:
None found.

Features:
(shadow sort mail-extr emacsbug message rmc puny seq byte-opt gv
bytecomp byte-compile cconv dired dired-loaddefs format-spec rfc822 mml
mml-sec password-cache epa derived epg epg-config gnus-util rmail
rmail-loaddefs text-property-search time-date mm-decode mm-bodies
mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader sendmail
rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils help-mode
easymenu cl-loaddefs cl-lib apropos elec-pair tooltip cus-start eldoc
electric uniquify ediff-hook vc-hooks lisp-float-type mwheel term/ns-win
ns-win ucs-normalize mule-util term/common-win tool-bar dnd fontset
image regexp-opt fringe tabulated-list replace newcomment text-mode
elisp-mode lisp-mode prog-mode register page menu-bar rfn-eshadow
isearch timer select scroll-bar mouse jit-lock font-lock syntax facemenu
font-core term/tty-colors frame cl-generic cham georgian utf-8-lang
misc-lang vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms
cp51932 hebrew greek romanian slovak czech european ethiopic indian
cyrillic chinese composite charscript charprop case-table epa-hook
jka-cmpr-hook help simple abbrev obarray minibuffer cl-preloaded nadvice
loaddefs button faces cus-face macroexp files text-properties overlay
sha1 md5 base64 format env code-pages mule custom widget
hashtable-print-readable backquote threads kqueue cocoa ns multi-tty
make-network-process emacs)

Memory information:
((conses 16 268435 17187)
 (symbols 48 20247 1)
 (strings 32 55043 2648)
 (string-bytes 1 2319539)
 (vectors 16 49362)
 (vector-slots 8 1389453 76916)
 (floats 8 183 34)
 (intervals 56 892 0)
 (buffers 992 12))

--000000000000d587900587c06a1e
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div dir=3D"ltr"><div>Hi!</div><div><br></div><div>I&#39;m=
 maintaining an Emacs batch application, e2ansi (*).</div><div><br></div><d=
iv>I just noticed two problems when using Emacs 27.</div><div><br></div><di=
v>1) It prints a lot of output, whereas earlier versions are quiet. The out=
put include tons of &quot;Loading xxx...&quot; but also the lines &quot;dum=
p mode: nil&quot; and &quot;Using load-path ...&quot;.</div><div><br></div>=
<div>2) Startup times has increased from 0.11 seconds to 2.36 seconds.</div=
><div><br></div><div>To test this, simply run:</div><div><br></div><div>tim=
e PATH-TO-Emacs --batch -Q</div><div><br></div><div>I&#39;m using a prebuil=
t Emacs from &quot;<a href=3D"http://emacsformacos.com">emacsformacos.com</=
a>&quot;. I&#39;ve tested the official Emacs 26.2 and the latest Emacs 27 &=
quot;nightie&quot;.</div><div><br></div><div>(*) e2ansi adds syntax highlig=
hting to pagers like &quot;more&quot; and &quot;less&quot; in the terminal.=
 It starts an Emacs in batch mode, run font-lock and renders the highlighte=
d result using ANSI sequences, which the pager presents. It can be found at=
=C2=A0<a href=3D"https://github.com/Lindydancer/e2ansi">https://github.com/=
Lindydancer/e2ansi</a></div><div><br></div><div>Sincerely,</div><div>=C2=A0=
 =C2=A0 Anders Lindgren</div><div><br></div><div><br></div><div>In GNU Emac=
s 27.0.50 (build 1, x86_64-apple-darwin14.5.0, NS appkit-1348.17 Version 10=
.10.5 (Build 14F2109))</div><div>=C2=A0of 2019-04-30 built on macpro.lan</d=
iv><div>Windowing system distributor &#39;Apple&#39;, version 10.3.1348</di=
v><div>System Description:=C2=A0 Mac OS X 10.10.5</div><div><br></div><div>=
Recent messages:</div><div>Loading vc/ediff-hook...done</div><div>Loading u=
niquify...done</div><div>Loading electric...done</div><div>Loading emacs-li=
sp/eldoc...done</div><div>Loading cus-start...done</div><div>Loading toolti=
p...done</div><div>Loading /Applications/Emacs27.0-2019-04-30.app/Contents/=
Resources/lisp/leim/leim-list.el (source)...done</div><div>Finding pointers=
 to doc strings...done</div><div>For information about GNU Emacs and the GN=
U system, type C-h C-a.</div><div>Loading loadup.el (source)...done</div><d=
iv><br></div><div>Configured using:</div><div>=C2=A0&#39;configure --with-n=
s &#39;--enable-locallisppath=3D/Library/Application</div><div>=C2=A0Suppor=
t/Emacs/${version}/site-lisp:/Library/Application</div><div>=C2=A0Support/E=
macs/site-lisp&#39; --with-modules&#39;</div><div><br></div><div>Configured=
 features:</div><div>NOTIFY KQUEUE ACL GNUTLS LIBXML2 ZLIB TOOLKIT_SCROLL_B=
ARS NS MODULES</div><div>THREADS PDUMPER</div><div><br></div><div>Important=
 settings:</div><div>=C2=A0 value of $LC_CTYPE: UTF-8</div><div>=C2=A0 valu=
e of $LANG: en_SE.UTF-8</div><div>=C2=A0 locale-coding-system: utf-8-unix</=
div><div><br></div><div>Major mode: Lisp Interaction</div><div><br></div><d=
iv>Minor modes in effect:</div><div>=C2=A0 tooltip-mode: t</div><div>=C2=A0=
 global-eldoc-mode: t</div><div>=C2=A0 eldoc-mode: t</div><div>=C2=A0 elect=
ric-indent-mode: t</div><div>=C2=A0 mouse-wheel-mode: t</div><div>=C2=A0 to=
ol-bar-mode: t</div><div>=C2=A0 menu-bar-mode: t</div><div>=C2=A0 file-name=
-shadow-mode: t</div><div>=C2=A0 global-font-lock-mode: t</div><div>=C2=A0 =
font-lock-mode: t</div><div>=C2=A0 blink-cursor-mode: t</div><div>=C2=A0 au=
to-composition-mode: t</div><div>=C2=A0 auto-encryption-mode: t</div><div>=
=C2=A0 auto-compression-mode: t</div><div>=C2=A0 line-number-mode: t</div><=
div>=C2=A0 transient-mark-mode: t</div><div><br></div><div>Load-path shadow=
s:</div><div>None found.</div><div><br></div><div>Features:</div><div>(shad=
ow sort mail-extr emacsbug message rmc puny seq byte-opt gv</div><div>bytec=
omp byte-compile cconv dired dired-loaddefs format-spec rfc822 mml</div><di=
v>mml-sec password-cache epa derived epg epg-config gnus-util rmail</div><d=
iv>rmail-loaddefs text-property-search time-date mm-decode mm-bodies</div><=
div>mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader sendmail</=
div><div>rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils help-mode=
</div><div>easymenu cl-loaddefs cl-lib apropos elec-pair tooltip cus-start =
eldoc</div><div>electric uniquify ediff-hook vc-hooks lisp-float-type mwhee=
l term/ns-win</div><div>ns-win ucs-normalize mule-util term/common-win tool=
-bar dnd fontset</div><div>image regexp-opt fringe tabulated-list replace n=
ewcomment text-mode</div><div>elisp-mode lisp-mode prog-mode register page =
menu-bar rfn-eshadow</div><div>isearch timer select scroll-bar mouse jit-lo=
ck font-lock syntax facemenu</div><div>font-core term/tty-colors frame cl-g=
eneric cham georgian utf-8-lang</div><div>misc-lang vietnamese tibetan thai=
 tai-viet lao korean japanese eucjp-ms</div><div>cp51932 hebrew greek roman=
ian slovak czech european ethiopic indian</div><div>cyrillic chinese compos=
ite charscript charprop case-table epa-hook</div><div>jka-cmpr-hook help si=
mple abbrev obarray minibuffer cl-preloaded nadvice</div><div>loaddefs butt=
on faces cus-face macroexp files text-properties overlay</div><div>sha1 md5=
 base64 format env code-pages mule custom widget</div><div>hashtable-print-=
readable backquote threads kqueue cocoa ns multi-tty</div><div>make-network=
-process emacs)</div><div><br></div><div>Memory information:</div><div>((co=
nses 16 268435 17187)</div><div>=C2=A0(symbols 48 20247 1)</div><div>=C2=A0=
(strings 32 55043 2648)</div><div>=C2=A0(string-bytes 1 2319539)</div><div>=
=C2=A0(vectors 16 49362)</div><div>=C2=A0(vector-slots 8 1389453 76916)</di=
v><div>=C2=A0(floats 8 183 34)</div><div>=C2=A0(intervals 56 892 0)</div><d=
iv>=C2=A0(buffers 992 12))</div><div><br></div></div></div>

--000000000000d587900587c06a1e--




Acknowledgement sent to Anders Lindgren <andlind@HIDDEN>:
New bug report received and forwarded. Copy sent to bug-gnu-emacs@HIDDEN. Full text available.
Report forwarded to bug-gnu-emacs@HIDDEN:
bug#35503; Package emacs. Full text available.
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Last modified: Thu, 9 May 2019 15:30:02 UTC

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Copyright (C) 1999 Darren O. Benham, 1997 nCipher Corporation Ltd, 1994-97 Ian Jackson.