From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Alexis Newsgroups: gmane.emacs.bugs Subject: bug#20611: 24.4; mutt slow in ansi-term Date: Mon, 11 Apr 2016 08:22:09 +1000 Message-ID: <87fuut2jfy.fsf@gmail.com> References: <87a8x1roby.fsf@apollo.hindleynet> <8737qwvuo3.fsf@mbork.pl> <20160409073937.GH1897@hindley.org.uk> <83mvp3i0l1.fsf@gnu.org> <20160410091526.GA25798@hindley.org.uk> <83d1pxgzy6.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; format=flowed X-Trace: ger.gmane.org 1460326994 13115 80.91.229.3 (10 Apr 2016 22:23:14 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 10 Apr 2016 22:23:14 +0000 (UTC) Cc: Mark Hindley , mbork@mbork.pl, 20611@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Apr 11 00:23:12 2016 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 1apNlA-0002Ee-FC for geb-bug-gnu-emacs@m.gmane.org; Mon, 11 Apr 2016 00:23:12 +0200 Original-Received: from localhost ([::1]:36838 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1apNl9-0008Qb-J4 for geb-bug-gnu-emacs@m.gmane.org; Sun, 10 Apr 2016 18:23:11 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:47976) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1apNl5-0008Oy-MP for bug-gnu-emacs@gnu.org; Sun, 10 Apr 2016 18:23:08 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1apNl0-0000Yg-Mr for bug-gnu-emacs@gnu.org; Sun, 10 Apr 2016 18:23:07 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:45294) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1apNl0-0000Yc-Iw for bug-gnu-emacs@gnu.org; Sun, 10 Apr 2016 18:23:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1apNl0-0007RZ-9l for bug-gnu-emacs@gnu.org; Sun, 10 Apr 2016 18:23:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Alexis Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 10 Apr 2016 22:23:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 20611 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 20611-submit@debbugs.gnu.org id=B20611.146032694128550 (code B ref 20611); Sun, 10 Apr 2016 22:23:02 +0000 Original-Received: (at 20611) by debbugs.gnu.org; 10 Apr 2016 22:22:21 +0000 Original-Received: from localhost ([127.0.0.1]:57631 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1apNkL-0007QQ-9C for submit@debbugs.gnu.org; Sun, 10 Apr 2016 18:22:21 -0400 Original-Received: from mail-pf0-f195.google.com ([209.85.192.195]:33917) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1apNkK-0007QC-5t for 20611@debbugs.gnu.org; Sun, 10 Apr 2016 18:22:20 -0400 Original-Received: by mail-pf0-f195.google.com with SMTP id d184so13547531pfc.1 for <20611@debbugs.gnu.org>; Sun, 10 Apr 2016 15:22:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=references:user-agent:from:to:cc:subject:in-reply-to:date :message-id:mime-version; bh=I6EKKXwMyMv4B2yhKOzAL6pGMQbhFEdSxPsHnhkDXAY=; b=XUg7/pNuSwBJ9OqE5dpna0S8CqTIWa94uPoCtZm/DLDAU84bC0u2+TIcAr6ehXUE4J 4bSnLKHmMTFsZw+rzvDkI/eD40iNpO3lJssRz5BMfhWK0gg0TXgCRBYz3AUyu6mXmSi+ F1dARPeVD0lonWNDzB6YvkLa+rELc5dGMZ1ElLHj8IjSZEH6eVzagruXX9Dtc/6NrcaX dxGVLHU7RARms3MYqZTWLOwIRCl6OraAxuDhmlg9cmXtsnVsspEnleqWF63J1qFTcyvz IYJmn9BlTWmWhPYWMZTCUXapX8+BItLPx/2pdxnyd8eqDtSc1Jg+7387mTD6VKdtZZxZ sW1g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:references:user-agent:from:to:cc:subject :in-reply-to:date:message-id:mime-version; bh=I6EKKXwMyMv4B2yhKOzAL6pGMQbhFEdSxPsHnhkDXAY=; b=L3SoidhqM4lTwnaG7qDzl/zT/ISZY2Kw4osBrS6ysBX9HNhJSJusZKcEINyNRoxGEq hknul1CW0ziUq01TxkLbZdUrtN7d7OkE+vae3H4XIkeShW3VeRpHks6FWn0TWRNfzr7D esWfn/w8ezn2z4v7cUi3l0RAg8lm82zXsrB0rof1f86PWKX/fJSGbsvxGFUZCOLb2VI9 bv6QozkAZ0J5nx6CNILAF7pOezPIpHV7UbR0PvCHkOVRrPywpk101z6YvpVPC3yIltP+ Uih9m3dn7zvS+Bg8k/p2AbMCFLu5eIzzjOy9cdBsB6jgckoKLJkTWUcxjsLqbEASD0GR 0udQ== X-Gm-Message-State: AD7BkJKCB9+JlMuHPSOYn5q6DZx78aE3EsaLestptNh8IcChr0wC1oCrFuwH5LWWTxKyDQ== X-Received: by 10.98.16.10 with SMTP id y10mr28636477pfi.5.1460326934545; Sun, 10 Apr 2016 15:22:14 -0700 (PDT) Original-Received: from localhost (124-168-216-210.dyn.iinet.net.au. [124.168.216.210]) by smtp.gmail.com with ESMTPSA id oy2sm31438328pac.38.2016.04.10.15.22.12 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 10 Apr 2016 15:22:13 -0700 (PDT) User-agent: mu4e 0.9.16; emacs 24.5.3 In-reply-to: <83d1pxgzy6.fsf@gnu.org> 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:116350 Archived-At: Eli Zaretskii writes: >> I have just tried alsamixer within ansi-term, and redraws in >> response to Ctrl-L take well over a second. > > Strange. Does anyone else see this? Context: Debian Jessie x86_64 / i5-2410M. i also observe noticeable lag in the above situation, on both on 24.5 and on master as at d6ea6453. The lag is worse on the latter than the former. > Can you show a profile ("M-x profiler-start RET") of the slow > redraws? Preferably with the latest pretest of Emacs 25.1, if > you can. Running the profiler on master: #+BEGIN - term-emulate-terminal 4233 91% - term-handle-ansi-escape 4065 87% - term-goto 3965 85% - term-down 970 20% - vertical-motion 4 0% jit-lock-function 4 0% - vertical-motion 4 0% - jit-lock-function 4 0% - jit-lock-fontify-now 4 0% - jit-lock--run-functions 4 0% - run-hook-wrapped 4 0% - # 4 0% - font-lock-fontify-region 4 0% font-lock-default-fontify-region 4 0% term-insert-spaces 100 2% redisplay 40 0% jit-lock-after-change 4 0% + command-execute 352 7% + ... 29 0% and 8 0% + redisplay_internal (C function) 4 0% + timer-event-handler 2 0% #+END Hth. Alexis.