From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Michael Albinus via "Bug reports for GNU Emacs, the Swiss army knife of text editors" Newsgroups: gmane.emacs.bugs Subject: bug#73046: 29.4; Emacs 100% CPU usage for several seconds when opening dired buffer over TRAMP Date: Tue, 10 Sep 2024 10:10:19 +0200 Message-ID: <87r09sexp0.fsf@gmx.de> References: <87o75241qh.fsf@gmail.com> <86plpi2ixa.fsf@gnu.org> <87seudke20.fsf@gmail.com> <8634md2vc2.fsf@gnu.org> <87h6asrk42.fsf@gmx.de> <86a5gk28ht.fsf@gnu.org> <87le0450x8.fsf@gmx.de> <865xr8228d.fsf@gnu.org> <87jzfofzcl.fsf@gmail.com> <8634mc1ty0.fsf@gnu.org> <87h6asl3hl.fsf@gmail.com> <86ttesyo1t.fsf@gnu.org> <87bk0zjzt1.fsf@gmx.de> <86a5gjy02i.fsf@gnu.org> <87wmjn2wq5.fsf@gmail.com> <87seuaids7.fsf@gmx.de> <86frqaweo2.fsf@gnu.org> <87a5gigo9b.fsf@gmx.de> <86cylew3tr.fsf@gnu.org> Reply-To: Michael Albinus Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="28253"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: suhailsingh247@gmail.com, 73046@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Sep 10 10:11:19 2024 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 1snvy2-0007AU-MJ for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 10 Sep 2024 10:11:18 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1snvxi-0003SP-Bv; Tue, 10 Sep 2024 04:10:58 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1snvxh-0003SD-He for bug-gnu-emacs@gnu.org; Tue, 10 Sep 2024 04:10:57 -0400 Original-Received: from debbugs.gnu.org ([2001:470:142:5::43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1snvxh-0006hd-7e for bug-gnu-emacs@gnu.org; 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Tue, 10 Sep 2024 10:10:20 +0200 In-Reply-To: <86cylew3tr.fsf@gnu.org> (Eli Zaretskii's message of "Sun, 08 Sep 2024 18:41:20 +0300") X-Provags-ID: V03:K1:jHBfDdSFzRdT6rNK7yqVyDfmagY3IhGJd1P++gCZjZrWtcWKkj8 rlwSZvMDDaLa+K+qSBPd6c5bPRk9BjCohrCW+qGJb/PH9Cnp5p8FS4DFRM7VfdlWXX8eXWK gbq3JMSPfuCmi4lXF47bINuiZ3YqPc2SRxSHWF3ERSL7AA8cyAgNxuljfxMY4EyUEUSjICu bwiCHdM1RLxPZh3Qifd6A== UI-OutboundReport: notjunk:1;M01:P0:lP0ZOf0CBSA=;psSNy9TWICszp7fZI1RxZ+fC9tH Bg6dxjG+d6zEmmpApOwzyKZRvDgbPbJlCPIqRBOr+Zge9uFgcgWuI2lyXtoMdP0PEtAHO1PX7 eo2wf/8fxTG16UY5XsrqznwiZTqz+KT4G9THinI/KeSd3o1M7MCZ+N8rvqqF9zQxUQE+ibDCA qyplycxbmuaWnJtynn4+v3X4M5OGS2ynTkWiI9/MXG4e1AukC1YsVkRXeXuEB+9RPzTRU0l5M cDeARnSvnd69U+1VL5cY12PzgGWAJmXrLR+gR4Pl7kj9Dgez4a77s4ibIpNCtQjWnxrgtEaw7 8DMCbZOI65yD1HWF+fxqCo10b75bJRoxCSdxw+igCpuOxn4qTalYAOdMCDS17YXF1Mc9pMadJ uJkt3TECITeUb9wnQG7PsXMSymN/Y9Gb7Xd3VfIK3Z3grSjruQiPNp2pRoptxBEXfUfVPlkEq EEXp1Y2Wf9JBcgnGZFKEAb2w8tuASzQRNqFEad7Jv43Dh9XZIe+NbZZF3fULEcuwuS9RZEwFS HcKGmIgX8jdWmStFiroR2U7CEbMJh2/ncUYgyu0ZP+4YI5juUtzLyW8ACUxHHnvTwUcYFdmF/ Vw+Fjap/z6YBo5gUubYTMI3X2NVAixWntS3uoMRzBqjhdOHfx8pVoFDvy+p0XAbk8ULZRNfNq UQNYlXRLm0sSV7s+qNVEzoH0kCcGzVbykTCSru0dCaH6ekg2teFBLOcrxxSdIiY7X62T3KOYv nGaKWj+Zl/OQ43PMNsef2pLUwibG20m5TXAYJJnyA2XT6IccImw4JopDUN9rHZI4qkDBN7OT 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-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:291546 Archived-At: Eli Zaretskii writes: Hi Eli, >> The umbrella function is tramp-send-command. It sends the command to >> remote via tramp-send-string, and waits then for a proper shell prompt >> via tramp-wait-for-output. The latter function calls >> tramp-wait-for-regexp, which loops using tramp-accept-process-output. > > Did you try either calling accept-process-output with a non-zero > timeout of, say, 5 msec, or inserting a (sit-for 0.005) into the loop > which calls tramp-accept-process-output? Tramp used a non-zero timeout in the past. This was removed some years ago, I don't remember the reason. I've added (sit-for 0.005) in the loop calling tramp-accept-process-output. It decreases the CPU load from 100% to something between 45..50%, when waiting for a response from remote. Pushed to master, and thanks for the explanation! Best regards, Michael.