From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Frank Winklmeier Newsgroups: gmane.emacs.bugs Subject: bug#27918: 25.2.50; Emacs slow opening files via sshfs Date: Wed, 2 Aug 2017 10:31:33 +0200 Message-ID: <7f593c07-5517-e5ac-d5bf-d88952e95d1f@cern.ch> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: quoted-printable X-Trace: blaine.gmane.org 1501687965 2489 195.159.176.226 (2 Aug 2017 15:32:45 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 2 Aug 2017 15:32:45 +0000 (UTC) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 To: 27918@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Aug 02 17:32:38 2017 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dcvdN-0008MY-P0 for geb-bug-gnu-emacs@m.gmane.org; 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Ip=[188.184.36.50]; Helo=[cernmxgwlb4.cern.ch] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR0602MB2877 X-detected-operating-system: by eggs.gnu.org: Windows 7 or 8 [fuzzy] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Mailman-Approved-At: Wed, 02 Aug 2017 11:29:19 -0400 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:135241 Archived-At: Switching from GNU Emacs 24.5.1 (x86_64-pc-linux-gnu, GTK+ Version 3.18.9) of 2016-04-17 on lgw01-04, modified by Debian to In GNU Emacs 25.2.50.2 (x86_64-pc-linux-gnu, GTK+ Version 3.18.9) of 2017-07-03 built on lcy01-14 I noticed that opening files via an sshfs mounted remote has gotten=20 extremely slow (about 10 seconds vs 2 seconds for opening the same=20 file). If it helps, here are some straces showing that the time is spent=20 in read calls: strace -CrTw emacs24 -nw -Q /path/to/my/sshfs/file.txt % time seconds usecs/call calls errors syscall ------ ----------- ----------- --------- --------- ---------------- 63.55 1.578241 263040 6 pselect6 23.11 0.574017 1232 466 1 read 10.39 0.258128 2607 99 77 faccessat 1.51 0.037418 411 91 51 stat 0.55 0.013633 14 972 806 open 0.17 0.004245 25 167 166 readlinkat strace -CrTw emacs25 -nw -Q /path/to/my/sshfs/file.txt % time seconds usecs/call calls errors syscall ------ ----------- ----------- --------- --------- ---------------- 83.43 8.913163 16475 541 1 read 13.76 1.470122 183765 8 pselect6 2.19 0.233506 1962 119 88 faccessat 0.21 0.022881 13 1730 1520 open 0.16 0.016923 83 205 204 readlinkat Please let me know if other information is useful to debug this. Windowing system distributor 'The X.Org Foundation', version 11.0.11804000 System Description: Ubuntu 16.04.2 LTS Configured using: 'configure --build=3Dx86_64-linux-gnu --prefix=3D/usr '--includedir=3D${prefix}/include' '--mandir=3D${prefix}/share/man' '--infodir=3D${prefix}/share/info' --sysconfdir=3D/etc --localstatedir=3D= /var --disable-silent-rules '--libdir=3D${prefix}/lib/x86_64-linux-gnu' '--libexecdir=3D${prefix}/lib/x86_64-linux-gnu' --disable-maintainer-mode --disable-dependency-tracking --prefix=3D/usr --sharedstatedir=3D/var/lib --program-suffix=3D25 --with-modules=3Dyes --with-x=3Dyes --with-x-toolkit=3Dgtk3 --with-xwidgets=3Dyes 'CFLAGS=3D-g -O2 -fstack-protector-strong -Wformat -Werror=3Dformat-security' 'CPPFLAGS=3D-Wdate-time -D_FORTIFY_SOURCE=3D2' 'LDFLAGS=3D-Wl,-Bsymbolic-functions -Wl,-z,relro'' Configured features: XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS GCONF GSETTINGS NOTIFY LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB TOOLKIT_SCROLL_BARS GTK3 X11 MODULES XWIDGETS Important settings: value of $LC_MONETARY: en_GB.UTF-8 value of $LC_NUMERIC: en_GB.UTF-8 value of $LC_TIME: en_GB.UTF-8 value of $LANG: en_US.UTF-8 value of $XMODIFIERS: @im=3Dibus locale-coding-system: utf-8-unix Major mode: Fundamental Minor modes in effect: global-company-mode: t pyvenv-mode: t shell-dirtrack-mode: t recentf-mode: t tooltip-mode: t global-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 blink-cursor-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t buffer-read-only: t line-number-mode: t transient-mark-mode: t Recent messages: Loading /home/fwinkl/.recentf...done Cleaning up the recentf list...done (0 removed) Company backend =E2=80=99company-ropemacs=E2=80=99 could not be initialized= : Symbol=E2=80=99s function definition is void: company-ropemacs For information about GNU Emacs and the GNU system, type C-h C-a. 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Load-path shadows: /usr/share/emacs/site-lisp/dictionaries-common/flyspell hides=20 /usr/share/emacs/25.2.50/lisp/textmodes/flyspell /usr/share/emacs/site-lisp/dictionaries-common/ispell hides=20 /usr/share/emacs/25.2.50/lisp/textmodes/ispell Features: (shadow sort mail-extr emacsbug message dired rfc822 mml mml-sec epg mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045 ietf-drums mail-utils misearch multi-isearch goto-addr thingatpt noutline outline easy-mmode view vc-dispatcher vc-svn cc-mode cc-fonts cc-guess cc-menus cc-cmds cc-styles cc-align cc-engine cc-vars cc-defs company-files company-oddmuse company-keywords company-etags company-gtags company-dabbrev-code company-dabbrev company-capf company-cmake company-semantic company-eclim company-template company-css company-nxml company-bbdb flymake company elpy pyvenv elpy-refactor python tramp-sh tramp tramp-compat auth-source gnus-util mm-util help-fns mail-prsvr password-cache tramp-loaddefs trampver ucs-normalize shell pcomplete format-spec advice json map ido grep compile comint ansi-color files-x etags xref cl-seq project eieio eieio-core cl-macs ring cus-edit cus-start cus-load finder-inf info tex-site package epg-config seq byte-opt gv bytecomp byte-compile cl-extra help-mode cconv edmacro kmacro recentf tree-widget wid-edit cl-loaddefs pcase cl-lib easymenu time-date mule-util tooltip eldoc electric uniquify ediff-hook vc-hooks lisp-float-type mwheel x-win term/common-win x-dnd tool-bar dnd fontset image regexp-opt fringe tabulated-list newcomment elisp-mode lisp-mode prog-mode register page menu-bar rfn-eshadow timer select scroll-bar mouse jit-lock font-lock syntax facemenu font-core 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 charscript case-table epa-hook jka-cmpr-hook help simple abbrev 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 dbusbind inotify dynamic-setting system-font-setting font-render-setting xwidget-internal move-toolbar gtk x-toolkit x multi-tty make-network-process emacs) Memory information: ((conses 16 364676 12088) (symbols 48 34067 0) (miscs 40 767 228) (strings 32 70715 9792) (string-bytes 1 2115980) (vectors 16 51409) (vector-slots 8 895437 7532) (floats 8 324 144) (intervals 56 340 0) (buffers 976 19) (heap 1024 38850 1495))