From unknown Sat Jun 14 03:51:20 2025 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Mailer: MIME-tools 5.509 (Entity 5.509) Content-Type: text/plain; charset=utf-8 From: bug#34618 <34618@debbugs.gnu.org> To: bug#34618 <34618@debbugs.gnu.org> Subject: Status: 26.1.92; timerfd interface causes slowdown on Cygwin Reply-To: bug#34618 <34618@debbugs.gnu.org> Date: Sat, 14 Jun 2025 10:51:20 +0000 retitle 34618 26.1.92; timerfd interface causes slowdown on Cygwin reassign 34618 emacs submitter 34618 Ken Brown severity 34618 normal thanks From debbugs-submit-bounces@debbugs.gnu.org Fri Feb 22 10:09:02 2019 Received: (at submit) by debbugs.gnu.org; 22 Feb 2019 15:09:02 +0000 Received: from localhost ([127.0.0.1]:48468 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gxCRi-0006pY-8t for submit@debbugs.gnu.org; Fri, 22 Feb 2019 10:09:02 -0500 Received: from eggs.gnu.org ([209.51.188.92]:54218) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gxCRf-0006p9-Qb for submit@debbugs.gnu.org; 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22 Feb 2019 16:12:38 +0000 Received: from localhost ([127.0.0.1]:48520 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gxDRG-0008To-7o for submit@debbugs.gnu.org; Fri, 22 Feb 2019 11:12:38 -0500 Received: from eggs.gnu.org ([209.51.188.92]:56387) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gxDRD-0008TZ-TR for 34618@debbugs.gnu.org; Fri, 22 Feb 2019 11:12:36 -0500 Received: from fencepost.gnu.org ([2001:470:142:3::e]:59992) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gxDR4-0003Gh-5e; Fri, 22 Feb 2019 11:12:28 -0500 Received: from [176.228.60.248] (port=1360 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1gxDQr-0006vM-HW; Fri, 22 Feb 2019 11:12:16 -0500 Date: Fri, 22 Feb 2019 18:12:16 +0200 Message-Id: <83h8cvree7.fsf@gnu.org> From: Eli Zaretskii To: Ken Brown In-reply-to: (message from Ken Brown on Fri, 22 Feb 2019 15:08:33 +0000) Subject: Re: bug#34618: 26.1.92; timerfd interface causes slowdown on Cygwin References: X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Spam-Score: -0.0 (/) X-Debbugs-Envelope-To: 34618 Cc: 34618@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) > From: Ken Brown > Date: Fri, 22 Feb 2019 15:08:33 +0000 > > Starting with cygwin-3.0.0, Cygwin has the timerfd functions. But using > them causes Emacs to be very slow to respond to user input. If I press > a key, there is a 1-2 second delay before Emacs responds. I'm in the > process of trying to debug this > (http://www.cygwin.org/ml/cygwin/2019-02/msg00364.html). In the > meantime, the attached patch disables the use of these functions. > > OK for the emacs-26 branch (after filling in the bug number)? Yes, thanks. 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[URIs: cornell.edu] -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [40.107.82.100 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record -0.0 SPF_HELO_PASS SPF: HELO matches SPF record 1.2 MISSING_HEADERS Missing To: header -1.0 MAILING_LIST_MULTI Multiple indicators imply a widely-seen list manager 2.5 BODY_SINGLE_WORD Message body is only one word (no spaces) Q2xvc2luZy4NCg== From debbugs-submit-bounces@debbugs.gnu.org Sat Mar 09 14:27:43 2019 Received: (at 34618) by debbugs.gnu.org; 9 Mar 2019 19:27:43 +0000 Received: from localhost ([127.0.0.1]:37428 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1h2hdH-0000nC-EA for submit@debbugs.gnu.org; Sat, 09 Mar 2019 14:27:43 -0500 Received: from mail-eopbgr750115.outbound.protection.outlook.com ([40.107.75.115]:52950 helo=NAM02-BL2-obe.outbound.protection.outlook.com) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1h2hdF-0000mz-6V for 34618@debbugs.gnu.org; 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timerfd interface causes slowdown on Cygwin Thread-Index: AQHUysB6XLeFnUx+kEu6du4+tUecN6Xr/VT+gBfJa4A= Date: Sat, 9 Mar 2019 19:27:34 +0000 Message-ID: References: <83h8cvree7.fsf@gnu.org> In-Reply-To: <83h8cvree7.fsf@gnu.org> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.5.3 x-originating-ip: [68.175.129.7] x-clientproxiedby: MN2PR12CA0034.namprd12.prod.outlook.com (2603:10b6:208:a8::47) To DM6PR04MB5211.namprd04.prod.outlook.com (2603:10b6:5:103::16) authentication-results: spf=none (sender IP is ) smtp.mailfrom=kbrown@cornell.edu; x-ms-exchange-messagesentrepresentingtype: 1 x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 14be08ca-27c5-49a4-10fa-08d6a4c547df x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(5600127)(711020)(4605104)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(2017052603328)(7153060)(7193020); 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9 Mar 2019 19:43:00 +0000 Received: from localhost ([127.0.0.1]:37433 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1h2hs3-00019Q-VQ for submit@debbugs.gnu.org; Sat, 09 Mar 2019 14:43:00 -0500 Received: from eggs.gnu.org ([209.51.188.92]:49489) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1h2hs2-00019C-78 for 34618@debbugs.gnu.org; Sat, 09 Mar 2019 14:42:58 -0500 Received: from fencepost.gnu.org ([2001:470:142:3::e]:35110) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h2hrw-00032e-R2; Sat, 09 Mar 2019 14:42:52 -0500 Received: from [176.228.60.248] (port=3255 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1h2hru-0004Fv-T4; Sat, 09 Mar 2019 14:42:52 -0500 Date: Sat, 09 Mar 2019 21:42:38 +0200 Message-Id: <83lg1n7s29.fsf@gnu.org> From: Eli Zaretskii To: Ken Brown In-reply-to: (message from Ken Brown on Sat, 9 Mar 2019 19:27:34 +0000) Subject: Re: bug#34618: 26.1.92; timerfd interface causes slowdown on Cygwin References: <83h8cvree7.fsf@gnu.org> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 34618 Cc: 34618@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) > From: Ken Brown > CC: "34618@debbugs.gnu.org" <34618@debbugs.gnu.org> > Date: Sat, 9 Mar 2019 19:27:34 +0000 > > The Cygwin problems with the timerfd functions have been fixed as of > cygwin-3.0.2, so I've re-enabled the use of these functions on the master > branch. To play it safe, we should probably leave them disabled on the emacs-26 > branch. Isn't there a way to get at the version of Cygwin at run time? I think the best solution is to allow timerfd functions only for versions whose support is not buggy, and that's not a compile-time decision, right? From debbugs-submit-bounces@debbugs.gnu.org Sat Mar 09 17:20:56 2019 Received: (at 34618) by debbugs.gnu.org; 9 Mar 2019 22:20:56 +0000 Received: from localhost ([127.0.0.1]:37484 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1h2kKs-0004pl-Mp for submit@debbugs.gnu.org; Sat, 09 Mar 2019 17:20:56 -0500 Received: from mail-eopbgr810121.outbound.protection.outlook.com ([40.107.81.121]:56455 helo=NAM01-BY2-obe.outbound.protection.outlook.com) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1h2kKp-0004pX-Oy for 34618@debbugs.gnu.org; Sat, 09 Mar 2019 17:20:53 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cornell.edu; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=8ORGgPbj+iipWW0Bi0j9e/oXMcVB3rW+cRVZBOtv57k=; b=ZRTgijcawpaafAvQ37xhhHx+DqOdE6PCtX9uwP8yUmzQIMQ4QvI3/0QAXmJCrkq9/sK5XuCQup57fVQdKvqAWuFeuHarA5KiyHUilATYZ1IkFatMA1BKV+GDLHT0gj9Y/RE4wWIuagK3C6IwE+qFgKdwGP+Sm3+E89z9C4ImCUE= Received: from DM6PR04MB5211.namprd04.prod.outlook.com (20.178.24.208) by DM6PR04MB6105.namprd04.prod.outlook.com (20.178.227.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1686.18; 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10 Mar 2019 03:32:52 +0000 Received: from localhost ([127.0.0.1]:37574 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1h2pCl-00040F-NL for submit@debbugs.gnu.org; Sat, 09 Mar 2019 22:32:51 -0500 Received: from eggs.gnu.org ([209.51.188.92]:53751) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1h2pCj-000401-Gk for 34618@debbugs.gnu.org; Sat, 09 Mar 2019 22:32:50 -0500 Received: from fencepost.gnu.org ([2001:470:142:3::e]:41409) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h2pCe-0000mZ-1j; Sat, 09 Mar 2019 22:32:44 -0500 Received: from [176.228.60.248] (port=4253 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1h2pCd-00080v-4U; Sat, 09 Mar 2019 22:32:43 -0500 Date: Sun, 10 Mar 2019 05:32:31 +0200 Message-Id: <83d0mz76b4.fsf@gnu.org> From: Eli Zaretskii To: Ken Brown In-reply-to: <7beb301e-0009-f52a-6941-9a5d8839a62b@cornell.edu> (message from Ken Brown on Sat, 9 Mar 2019 22:20:44 +0000) Subject: Re: bug#34618: 26.1.92; timerfd interface causes slowdown on Cygwin References: <83h8cvree7.fsf@gnu.org> <83lg1n7s29.fsf@gnu.org> <7beb301e-0009-f52a-6941-9a5d8839a62b@cornell.edu> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 34618 Cc: 34618@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) > From: Ken Brown > CC: "34618@debbugs.gnu.org" <34618@debbugs.gnu.org> > Date: Sat, 9 Mar 2019 22:20:44 +0000 > > > Isn't there a way to get at the version of Cygwin at run time? I > > think the best solution is to allow timerfd functions only for > > versions whose support is not buggy, and that's not a compile-time > > decision, right? > > Good idea. How's the attached? LGTM, thanks. From unknown Sat Jun 14 03:51:20 2025 Received: (at fakecontrol) by fakecontrolmessage; To: internal_control@debbugs.gnu.org From: Debbugs Internal Request Subject: Internal Control Message-Id: bug archived. Date: Sun, 07 Apr 2019 11:24:04 +0000 User-Agent: Fakemail v42.6.9 # This is a fake control message. # # The action: # bug archived. thanks # This fakemail brought to you by your local debbugs # administrator