From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Pip Cet Newsgroups: gmane.emacs.bugs Subject: bug#40733: 28.0.50; Emacs locks up on paste (yank) of unicode characters Date: Mon, 1 Jun 2020 11:44:10 +0000 Message-ID: References: <87mu756aen.fsf@tcd.ie> <83v9ln7jy4.fsf@gnu.org> <83d07qzdv7.fsf@gnu.org> <834kt2z7n1.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="30332"; mail-complaints-to="usenet@ciao.gmane.io" Cc: "Basil L. Contovounesios" , 40733@debbugs.gnu.org, James Cloos , Robert Pluim To: Will Bush Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Jun 01 13:45:10 2020 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1jfisQ-0007jX-CT for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 01 Jun 2020 13:45:10 +0200 Original-Received: from localhost ([::1]:49376 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jfisP-0008IN-1C for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 01 Jun 2020 07:45:09 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:46336) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jfisI-0008IA-QV for bug-gnu-emacs@gnu.org; Mon, 01 Jun 2020 07:45:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:51390) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1jfisI-0001Q0-H4 for bug-gnu-emacs@gnu.org; Mon, 01 Jun 2020 07:45:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1jfisI-0001vM-Co for bug-gnu-emacs@gnu.org; Mon, 01 Jun 2020 07:45:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Pip Cet Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 01 Jun 2020 11:45:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 40733 X-GNU-PR-Package: emacs Original-Received: via spool by 40733-submit@debbugs.gnu.org id=B40733.15910119017383 (code B ref 40733); Mon, 01 Jun 2020 11:45:02 +0000 Original-Received: (at 40733) by debbugs.gnu.org; 1 Jun 2020 11:45:01 +0000 Original-Received: from localhost ([127.0.0.1]:34703 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jfisE-0001uo-H3 for submit@debbugs.gnu.org; Mon, 01 Jun 2020 07:45:01 -0400 Original-Received: from mail-oi1-f193.google.com ([209.85.167.193]:36436) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jfis9-0001uW-67 for 40733@debbugs.gnu.org; Mon, 01 Jun 2020 07:44:57 -0400 Original-Received: by mail-oi1-f193.google.com with SMTP id a137so8621419oii.3 for <40733@debbugs.gnu.org>; Mon, 01 Jun 2020 04:44:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=MTrko37YK1wcRZwOcdj3OBIv59eTYt+1BkMSwm8a3eA=; b=m44uRldHMnjkq+/NLiH6lbmkV9JaTAe25FMpl5CrsZL6XbTSkyoRePak6niCCORSvr HWzzjmj5zf7mSzY57FaJH+NL/EMC8L9o/ojqWQk9+2Z2ag2bz24q1ZZEEV6lgQGsA3GF M4QFuL+PAXaYoD/T7vJ6+R3Y82bObUpimKWeZmMB0SLHPdSqFzgw/1XfPtK5RsNl5+9l FPIntPN0OxqaupX9myTFxzOfDiZ96dyjrcgkrQulcOAM/RwNs3Kvzkj5V2yMiCfyrFhe FWPvmcpcyBie4ib/kLjALuZLq3lt8vr+VkrPgZrjcxZTjEhxC3i+9gb+ffeLLOzfY8MB ZLqQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=MTrko37YK1wcRZwOcdj3OBIv59eTYt+1BkMSwm8a3eA=; b=SpcJvRCVlhiCLlQ3zPyk2GwHH4pqhWvRTSIwUkYxw1CfR9u3cdrgTJpqz/Ifv60N9a C4k2nybsq5ZlwqVsXXRanqqVvgeN2bhvQwk9ouuIukW80ch6L1JSX+p1wKyI493qc1SQ Ch+int/PnHNhkrsGqqrcS0SX+D1DN0A4W/gd/zo1uPshBhbFYLlSh7IFzNFftsR/P+B4 EiNp+WlJs2/+GSZ8TZI446mTKb1qUyB6hyW2JAi8ZYNTQp8RWNcaACeDh5iI0HrMm8Xk PUcXMHf55dYJLqNl2sVegmuk5tv7KdEzyRKKFsxIFXjiWQdVMNfzLQa5vJjMmabe9Ecx x9Sg== X-Gm-Message-State: AOAM533y327jtbE7/Bsoy1ihR8mRaATWBgA3qe1/qr3Jd9k58brnIsZj Nyd4t4MBS5hHXvm84UjzhtoNwCwsec/G9yzzI7g= X-Google-Smtp-Source: ABdhPJwbkjlt7W6f9c/Jbw1JQ9N5Zik+7t6L0AGNHuZb056sQ0p3Ddo+MMjQ4XmQ6Tkwyyluyui+2bGl8SC1+m4suCc= X-Received: by 2002:aca:4e0d:: with SMTP id c13mr3363267oib.30.1591011887525; Mon, 01 Jun 2020 04:44:47 -0700 (PDT) In-Reply-To: X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:181333 Archived-At: On Mon, Jun 1, 2020 at 11:20 AM Will Bush wrote: > git clone https://github.com/adobe-fonts/adobe-blank.git > cd adobe-blank > sudo cp AdobeBlank.ttf /usr/share/fonts/ > fc-cache > time emacs -Q --eval '(message "=EF=B8=B5")' -kill > > And it took 4 minutes in the virtual machine! > Please try it and see if you can repro! It's taking a while here (pretty standard GNU/Linux x86_64 system), but something on the order of 20 seconds, not 4 minutes. in ftcrfont.c: pat =3D ftfont_entity_pattern (entity, pixel_size); FcConfigSubstitute (NULL, pat, FcMatchPattern); FcDefaultSubstitute (pat); match =3D FcFontMatch (NULL, pat, &result); <=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D ftfont_fix_match (pat, match); This is where it spends so much time. "perf record emacs -Q" suggests it's a function called FcCharSetSubtractCount. (You might try running that on your setup, too).