From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#28695: 26.0.60; Rendering lag spikes caused by double-buffering on Linux Date: Sat, 28 Oct 2017 12:33:31 +0300 Message-ID: <83she362hg.fsf@gnu.org> References: <8760bvd2w7.fsf@bryan.sh> <59D4A431.7010801@gmx.at> <831smjz2b2.fsf@gnu.org> <874lrfcg4s.fsf@bryan.sh> <1931afeb-51cb-89c9-72ff-c8a062fecba7@yandex.ru> <0e4817c9-f3f3-875d-2c81-97821c839a29@yandex.ru> <83376vv0gm.fsf@gnu.org> <859fe715-e455-128d-5fca-6f2df4ad0eaf@yandex.ru> <83shesquyu.fsf@gnu.org> <8360bfhlie.fsf@gnu.org> <157e8c6e-7bf9-7506-f640-3c9dadd2ffb8@yandex.ru> Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1509183266 4085 195.159.176.226 (28 Oct 2017 09:34:26 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sat, 28 Oct 2017 09:34:26 +0000 (UTC) Cc: npostavs@users.sourceforge.net, 28695@debbugs.gnu.org, bryan@bryan.sh To: Dmitry Gutov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Oct 28 11:34:20 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 1e8NVH-0007Ts-Bb for geb-bug-gnu-emacs@m.gmane.org; Sat, 28 Oct 2017 11:34:07 +0200 Original-Received: from localhost ([::1]:60300 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e8NVN-0007Z7-1x for geb-bug-gnu-emacs@m.gmane.org; Sat, 28 Oct 2017 05:34:13 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:57593) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e8NVG-0007Z0-9l for bug-gnu-emacs@gnu.org; Sat, 28 Oct 2017 05:34:07 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1e8NVC-0003IO-LJ for bug-gnu-emacs@gnu.org; Sat, 28 Oct 2017 05:34:06 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:57606) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1e8NVC-0003IA-HE for bug-gnu-emacs@gnu.org; Sat, 28 Oct 2017 05:34:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1e8NVC-0002lx-8h for bug-gnu-emacs@gnu.org; Sat, 28 Oct 2017 05:34:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 28 Oct 2017 09:34:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 28695 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 28695-submit@debbugs.gnu.org id=B28695.150918322810636 (code B ref 28695); Sat, 28 Oct 2017 09:34:02 +0000 Original-Received: (at 28695) by debbugs.gnu.org; 28 Oct 2017 09:33:48 +0000 Original-Received: from localhost ([127.0.0.1]:38054 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1e8NUy-0002lU-IZ for submit@debbugs.gnu.org; Sat, 28 Oct 2017 05:33:48 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:38290) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1e8NUw-0002lF-Fu for 28695@debbugs.gnu.org; Sat, 28 Oct 2017 05:33:46 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1e8NUn-0002lB-DE for 28695@debbugs.gnu.org; Sat, 28 Oct 2017 05:33:41 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:46329) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e8NUn-0002l2-A4; Sat, 28 Oct 2017 05:33:37 -0400 Original-Received: from [176.228.60.248] (port=4494 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1e8NUm-0000E2-LK; Sat, 28 Oct 2017 05:33:37 -0400 In-reply-to: <157e8c6e-7bf9-7506-f640-3c9dadd2ffb8@yandex.ru> (message from Dmitry Gutov on Fri, 27 Oct 2017 02:19:28 +0300) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] 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:139097 Archived-At: > Cc: npostavs@users.sourceforge.net, bryan@bryan.sh, 28695@debbugs.gnu.org > From: Dmitry Gutov > Date: Fri, 27 Oct 2017 02:19:28 +0300 > > It's really hard for me to tell. Now, I've re-ran the experiment again > (last time I did it with ag, now with rg) and I'm attaching the > "unexpanded" views of the graphs in all cases. 1 and 11 were with a > small window, and 2 and 22 were with a fullscreen one. > > The search results for XdbeSwapBuffers were really similar to the above, > so I'm not including that. > > Don't really see a significant difference. If I had to guess, the > slowdown maybe has to do with Xorg not being able to keep up, but, like, > in an asynchronous fashion. I don't see anything significant here, besides the fact that GC took some serious percentage of time. Thanks for your efforts.