From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: phillip.lord@newcastle.ac.uk (Phillip Lord) Newsgroups: gmane.emacs.bugs Subject: bug#20134: Acknowledgement (24.4.90; Emacs slowdown to eventual hang) Date: Tue, 07 Apr 2015 17:51:11 +0100 Message-ID: <87a8yj3mrk.fsf@newcastle.ac.uk> References: <87zj7ae6il.fsf@newcastle.ac.uk> <871tkk50pe.fsf@newcastle.ac.uk> <83d244wwy5.fsf@gnu.org> <83iod8htqp.fsf@gnu.org> <877fto3qlk.fsf@newcastle.ac.uk> <83h9sshrue.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1428425544 26609 80.91.229.3 (7 Apr 2015 16:52:24 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 7 Apr 2015 16:52:24 +0000 (UTC) Cc: 20134@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Apr 07 18:52:12 2015 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 1YfWjT-0002Y0-L8 for geb-bug-gnu-emacs@m.gmane.org; Tue, 07 Apr 2015 18:52:11 +0200 Original-Received: from localhost ([::1]:47038 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YfWjS-0003rs-Uh for geb-bug-gnu-emacs@m.gmane.org; Tue, 07 Apr 2015 12:52:10 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:37401) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YfWjN-0003pN-6d for bug-gnu-emacs@gnu.org; Tue, 07 Apr 2015 12:52:06 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YfWjK-0007Fy-B9 for bug-gnu-emacs@gnu.org; Tue, 07 Apr 2015 12:52:05 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:58247) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YfWjK-0007Fp-6F for bug-gnu-emacs@gnu.org; Tue, 07 Apr 2015 12:52:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1YfWjJ-0006rZ-Lu for bug-gnu-emacs@gnu.org; Tue, 07 Apr 2015 12:52:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: phillip.lord@newcastle.ac.uk (Phillip Lord) Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 07 Apr 2015 16:52:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 20134 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 20134-submit@debbugs.gnu.org id=B20134.142842547526311 (code B ref 20134); Tue, 07 Apr 2015 16:52:01 +0000 Original-Received: (at 20134) by debbugs.gnu.org; 7 Apr 2015 16:51:15 +0000 Original-Received: from localhost ([127.0.0.1]:48023 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1YfWiZ-0006qJ-1B for submit@debbugs.gnu.org; Tue, 07 Apr 2015 12:51:15 -0400 Original-Received: from cheviot22.ncl.ac.uk ([128.240.234.22]:51558) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1YfWiW-0006qA-Is for 20134@debbugs.gnu.org; Tue, 07 Apr 2015 12:51:13 -0400 Original-Received: from smtpauth-vm.ncl.ac.uk ([10.8.233.129] helo=smtpauth.ncl.ac.uk) by cheviot22.ncl.ac.uk with esmtp (Exim 4.63) (envelope-from ) id 1YfWiV-00021E-Es; Tue, 07 Apr 2015 17:51:11 +0100 Original-Received: from jangai.ncl.ac.uk ([10.66.67.223] helo=localhost) by smtpauth.ncl.ac.uk with esmtpsa (TLSv1:AES128-SHA:128) (Exim 4.63) (envelope-from ) id 1YfWiV-0000AF-Gh; Tue, 07 Apr 2015 17:51:11 +0100 In-Reply-To: <83h9sshrue.fsf@gnu.org> (Eli Zaretskii's message of "Tue, 7 Apr 2015 18:37:45 +0300") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4 (gnu/linux) 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:101262 Archived-At: Eli Zaretskii writes: >> From: phillip.lord@newcastle.ac.uk (Phillip Lord) >> Cc: <20134@debbugs.gnu.org> >> Date: Tue, 07 Apr 2015 16:28:23 +0100 >> >> > When Emacs becomes sluggish, does pressing and holding an arrow key >> > produces a slow response time for the first keypress, followed by more >> > or less normal response times for the next keypresses? >> >> Nope. The lag is general. If I carry one for long enough, emacs hangs >> totally, but Emacs because unusable long before that point. > > Then I guess the primary suspects are non-idle timers and > pre/post-command hooks. > >> timer-list is a variable defined in `C source code'. >> Its value is >> ([nil 21795 62426 202965 60 ac-clear-variables-every-minute nil nil 1000]) > > Did you try running without this timer? > > What about the pre/post-command hooks? Okay, I think this is likely to be correct, and also why the backtraces are so useless. Emacs is making extensive use of CPU (running at 100%) but only when I am typing. When I stop (which I obviously have to do to check gdb, then the CPU drops again. I've tried removing all post/pre command hooks with no success so far.