From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Lars Magne Ingebrigtsen Newsgroups: gmane.emacs.bugs Subject: bug#14616: 24.3.50; Excessive cursor movement on non-X Emacs Date: Wed, 31 Jul 2013 12:03:48 +0200 Message-ID: References: <83y5a0ka99.fsf@gnu.org> <83ip10hlyr.fsf@gnu.org> <83hafqz8uo.fsf@gnu.org> <83wqo8vvyb.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1375265123 32396 80.91.229.3 (31 Jul 2013 10:05:23 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 31 Jul 2013 10:05:23 +0000 (UTC) Cc: 14616@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Jul 31 12:05:25 2013 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1V4THX-0006mB-Oz for geb-bug-gnu-emacs@m.gmane.org; Wed, 31 Jul 2013 12:05:23 +0200 Original-Received: from localhost ([::1]:51849 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V4THX-0001su-4d for geb-bug-gnu-emacs@m.gmane.org; Wed, 31 Jul 2013 06:05:23 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:42912) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V4THM-0001ra-Pr for bug-gnu-emacs@gnu.org; Wed, 31 Jul 2013 06:05:20 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1V4THC-0000CK-VG for bug-gnu-emacs@gnu.org; Wed, 31 Jul 2013 06:05:12 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:37566) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V4THC-00007i-F2 for bug-gnu-emacs@gnu.org; Wed, 31 Jul 2013 06:05:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1V4THB-0003fa-Mq for bug-gnu-emacs@gnu.org; Wed, 31 Jul 2013 06:05:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Lars Magne Ingebrigtsen Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 31 Jul 2013 10:05:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 14616 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 14616-submit@debbugs.gnu.org id=B14616.137526504513958 (code B ref 14616); Wed, 31 Jul 2013 10:05:01 +0000 Original-Received: (at 14616) by debbugs.gnu.org; 31 Jul 2013 10:04:05 +0000 Original-Received: from localhost ([127.0.0.1]:60115 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1V4TGG-0003d1-OA for submit@debbugs.gnu.org; Wed, 31 Jul 2013 06:04:05 -0400 Original-Received: from hermes.netfonds.no ([80.91.224.195]:57382) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1V4TGD-0003cN-QY for 14616@debbugs.gnu.org; Wed, 31 Jul 2013 06:04:03 -0400 Original-Received: from cm-84.215.51.58.getinternet.no ([84.215.51.58] helo=stories.gnus.org) by hermes.netfonds.no with esmtpsa (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.72) (envelope-from ) id 1V4TG0-0004NB-DL; Wed, 31 Jul 2013 12:03:48 +0200 X-Now-Playing: Deerhoof's _Milk Man_: "Song of Sorn" X-Hashcash: 1:23:130731:14616@debbugs.gnu.org::aQFeHBfP1yzmIZn5:00000000000000000000000000000000000000008lTX X-Hashcash: 1:23:130731:eliz@gnu.org::9ZtNXJf1MuBFL7ZY:00001BZc5 In-Reply-To: <83wqo8vvyb.fsf@gnu.org> (Eli Zaretskii's message of "Tue, 30 Jul 2013 19:44:44 +0300") User-Agent: Gnus/5.130008 (Ma Gnus v0.8) Emacs/24.3.50 (gnu/linux) X-MailScanner-ID: 1V4TG0-0004NB-DL MailScanner-NULL-Check: 1375869829.77624@BZ3Q6LBD8FKXvS/85VhPCQ X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 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-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:76847 Archived-At: Eli Zaretskii writes: > The cursor is not redrawn on a TTY. What you see is, I believe, an > indication of Emacs constantly redrawing portions of the screen. That > includes turning cursor off and on and moving it. Sounds likely. > This says that we are constantly redrawing screen lines 23 and 24 > (zero-based), counting from top of the frame. Can you tell what is > (or was) displayed on those lines? In particular, are these by chance > the mode line and the echo area, or are those in the text area of some > window? 23 and 24 are the mode lines and the echo area, if I'm counting correctly. But I've finally come up with an easy-to-execute test case. With the following gdb commands: set logging file /tmp/emacs.gdb set logging redirect on set logging on set height 0 break update_frame_line commands p vpos continue end run -nw I put the following in the scratch buffer and eval it while tailing /tmp/emacs.gdb: (dotimes (i 10) (url-retrieve "http://cdn.arwrath.com/1/137744.gif" (lambda (&rest ignore) (kill-buffer (current-buffer))) nil t t) (sleep-for 5)) Then every five seconds I get the output below, which seems to say that it's repainting the entire window every time it does something networkey. Breakpoint 3, update_frame_line (f=f@entry=0xb7fbe0, vpos=vpos@entry=0) at dispnew.c:4755 4755 { $14314 = 0 Breakpoint 3, update_frame_line (f=f@entry=0xb7fbe0, vpos=vpos@entry=1) at dispnew.c:4755 4755 { $14315 = 1 Breakpoint 3, update_frame_line (f=f@entry=0xb7fbe0, vpos=vpos@entry=2) at dispnew.c:4755 4755 { $14316 = 2 Breakpoint 3, update_frame_line (f=f@entry=0xb7fbe0, vpos=vpos@entry=3) at dispnew.c:4755 4755 { $14317 = 3 Breakpoint 3, update_frame_line (f=f@entry=0xb7fbe0, vpos=vpos@entry=4) at dispnew.c:4755 4755 { $14318 = 4 Breakpoint 3, update_frame_line (f=f@entry=0xb7fbe0, vpos=vpos@entry=5) at dispnew.c:4755 4755 { $14319 = 5 Breakpoint 3, update_frame_line (f=f@entry=0xb7fbe0, vpos=vpos@entry=6) at dispnew.c:4755 4755 { $14320 = 6 Breakpoint 3, update_frame_line (f=f@entry=0xb7fbe0, vpos=vpos@entry=7) at dispnew.c:4755 4755 { $14321 = 7 Breakpoint 3, update_frame_line (f=f@entry=0xb7fbe0, vpos=vpos@entry=8) at dispnew.c:4755 4755 { $14322 = 8 Breakpoint 3, update_frame_line (f=f@entry=0xb7fbe0, vpos=vpos@entry=9) at dispnew.c:4755 4755 { $14323 = 9 Breakpoint 3, update_frame_line (f=f@entry=0xb7fbe0, vpos=vpos@entry=10) at dispnew.c:4755 4755 { $14324 = 10 Breakpoint 3, update_frame_line (f=f@entry=0xb7fbe0, vpos=vpos@entry=11) at dispnew.c:4755 4755 { $14325 = 11 Breakpoint 3, update_frame_line (f=f@entry=0xb7fbe0, vpos=vpos@entry=12) at dispnew.c:4755 4755 { $14326 = 12 Breakpoint 3, update_frame_line (f=f@entry=0xb7fbe0, vpos=vpos@entry=13) at dispnew.c:4755 4755 { $14327 = 13 Breakpoint 3, update_frame_line (f=f@entry=0xb7fbe0, vpos=vpos@entry=14) at dispnew.c:4755 4755 { $14328 = 14 Breakpoint 3, update_frame_line (f=f@entry=0xb7fbe0, vpos=vpos@entry=15) at dispnew.c:4755 4755 { $14329 = 15 Breakpoint 3, update_frame_line (f=f@entry=0xb7fbe0, vpos=vpos@entry=16) at dispnew.c:4755 4755 { $14330 = 16 Breakpoint 3, update_frame_line (f=f@entry=0xb7fbe0, vpos=vpos@entry=17) at dispnew.c:4755 4755 { $14331 = 17 Breakpoint 3, update_frame_line (f=f@entry=0xb7fbe0, vpos=vpos@entry=18) at dispnew.c:4755 4755 { $14332 = 18 Breakpoint 3, update_frame_line (f=f@entry=0xb7fbe0, vpos=vpos@entry=19) at dispnew.c:4755 4755 { $14333 = 19 Breakpoint 3, update_frame_line (f=f@entry=0xb7fbe0, vpos=vpos@entry=20) at dispnew.c:4755 4755 { $14334 = 20 Breakpoint 3, update_frame_line (f=f@entry=0xb7fbe0, vpos=vpos@entry=21) at dispnew.c:4755 4755 { $14335 = 21 Breakpoint 3, update_frame_line (f=f@entry=0xb7fbe0, vpos=vpos@entry=22) at dispnew.c:4755 4755 { $14336 = 22 Breakpoint 3, update_frame_line (f=f@entry=0xb7fbe0, vpos=vpos@entry=23) at dispnew.c:4755 4755 { $14337 = 23 Breakpoint 3, update_frame_line (f=f@entry=0xb7fbe0, vpos=24) at dispnew.c:4755 4755 { $14338 = 24 -- (domestic pets only, the antidote for overdose, milk.) bloggy blog http://lars.ingebrigtsen.no/