Re: Run `M-x list-input-methods` and then scroll down the screen in input method panel using the mouse or arrow key will cause Emacs unresponsive for about 1 minite.

[Hongyi Zhao <hongyi.zhao@gmail.com>]

On Sat, Jun 19, 2021 at 6:31 PM Eli Zaretskii <eliz@gnu.org> wrote:
>
> > From: Hongyi Zhao <hongyi.zhao@gmail.com>
> > Date: Sat, 19 Jun 2021 18:16:40 +0800
> > Cc: emacs-devel@gnu.org
> >
> > > > And both the following two commands completed instantly:
> > > >
> > > > M-x list-input-methods RET
> > > > C-h h
> > >
> > > They also do that in my build, so the question is what is different
> > > between your "slow" build and the "fast" build.  You need to find out
> > > and tell us what are the differences between them in terms of
> > > configuration,
> >
> > Considering the above testing results, it seems the user configuration
> > don't play an important role in this problem.
> >
> > > supported features, optional libraries, etc.
>
> Thanks, but I meant the values of the following variables inside
> Emacs:
>
>   system-configuration
>   system-configuration-options
>   system-configuration-features
>
> And please show them in both builds: the "slow" one and the "fast"
> one.  We need to compare them.

The slow self compiled git master version:

system-configuration:

"x86_64-pc-linux-gnu"

system-configuration-options:

"--without-m17n-flt"


system-configuration-features:

"ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ
JPEG JSON LCMS2 LIBOTF LIBSELINUX LIBSYSTEMD LIBXML2 MODULES NOTIFY
INOTIFY PDUMPER PNG RSVG SECCOMP SOUND THREADS TIFF
TOOLKIT_SCROLL_BARS X11 XDBE XIM XPM GTK3 ZLIB"

The fast prebuilt version shipped with the apt repo:

system-configuration:

"x86_64-pc-linux-gnu"


system-configuration-options:

"--build x86_64-linux-gnu --prefix=/usr --sharedstatedir=/var/lib
--libexecdir=/usr/lib --localstatedir=/var/lib
--infodir=/usr/share/info --mandir=/usr/share/ma\
    n --enable-libsystemd --with-pop=yes
--enable-locallisppath=/etc/emacs:/usr/local/share/emacs/26.3/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/26\
    .3/site-lisp:/usr/share/emacs/site-lisp --with-sound=alsa
--without-gconf --with-mailutils --build x86_64-linux-gnu
--prefix=/usr --sharedstatedir=/var/lib --lib\
    execdir=/usr/lib --localstatedir=/var/lib
--infodir=/usr/share/info --mandir=/usr/share/man --enable-libsystemd
--with-pop=yes --enable-locallisppath=/etc/emacs:\
    /usr/local/share/emacs/26.3/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/26.3/site-lisp:/usr/share/emacs/site-lisp
--with-sound=alsa --without-gco\
    nf --with-mailutils --with-x=no --without-gsettings 'CFLAGS=-g -O2
-fdebug-prefix-map=/build/emacs-mEZBk7/emacs-26.3+1=.
-fstack-protector-strong -Wformat -Werro\
    r=format-security -Wall' 'CPPFLAGS=-Wdate-time
-D_FORTIFY_SOURCE=2' 'LDFLAGS=-Wl,-Bsymbolic-functions -Wl,-z,relro'"


system-configuration-features:

 "JPEG SOUND GPM DBUS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 ZLIB XIM
THREADS LIBSYS\
    TEMD LCMS2"


HY
--
Assoc. Prof. Hongyi Zhao <hongyi.zhao@gmail.com>
Theory and Simulation of Materials
Hebei Vocational University of Technology and Engineering
NO. 552 North Gangtie Road, Xingtai, China