From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Lars Ingebrigtsen Newsgroups: gmane.emacs.bugs Subject: bug#24126: vc-hg-state can be extremely slow Date: Wed, 18 Aug 2021 16:39:57 +0200 Message-ID: <87eeaqbyv6.fsf@gnus.org> References: <932b12d0-6081-99c4-91f7-ed00f42462f2@yandex.ru> <803901e8-fb81-82c1-647f-007bbbf7caf7@yandex.ru> <87a6linb4x.fsf@gnus.org> <5a178cc6-a628-64c5-b0c5-e8d7c09cd7a2@yandex.ru> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="6665"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: 24126@debbugs.gnu.org, Jonathan Kotta To: Dmitry Gutov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Aug 18 16:41:10 2021 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 1mGMkg-0001U3-6b for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 18 Aug 2021 16:41:10 +0200 Original-Received: from localhost ([::1]:44816 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mGMke-0004Zt-Nd for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 18 Aug 2021 10:41:08 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:33624) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mGMkY-0004Zg-P0 for bug-gnu-emacs@gnu.org; Wed, 18 Aug 2021 10:41:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:45648) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mGMkY-0006OC-13 for bug-gnu-emacs@gnu.org; Wed, 18 Aug 2021 10:41:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1mGMkX-0002i0-UO for bug-gnu-emacs@gnu.org; Wed, 18 Aug 2021 10:41:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Lars Ingebrigtsen Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 18 Aug 2021 14:41:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 24126 X-GNU-PR-Package: emacs Original-Received: via spool by 24126-submit@debbugs.gnu.org id=B24126.162929761110345 (code B ref 24126); Wed, 18 Aug 2021 14:41:01 +0000 Original-Received: (at 24126) by debbugs.gnu.org; 18 Aug 2021 14:40:11 +0000 Original-Received: from localhost ([127.0.0.1]:57194 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mGMji-0002gn-SQ for submit@debbugs.gnu.org; Wed, 18 Aug 2021 10:40:11 -0400 Original-Received: from quimby.gnus.org ([95.216.78.240]:38934) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mGMjg-0002gS-Gg for 24126@debbugs.gnu.org; Wed, 18 Aug 2021 10:40:09 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnus.org; s=20200322; h=Content-Type:MIME-Version:Message-ID:In-Reply-To:Date: References:Subject:Cc:To:From:Sender:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=P79wTR7LskDfzrCXFNQPPQIyNOEd5ynjSWLj5nX6sT8=; b=tZJOzMbj3nDFQU9IXTqNhLaAoB KKfbOV7zXB5h7b5tRxJKY6CLwi4pOBOxdr7nriFDbBcOQpE6Fcxnr2VjWH1l9RBns7SvkA2EJo6N2 LevqGDNl6LmY7SovFX7qt6NqHm8Z3VlEl3ZNd9KcOfF+GTZzh3cwLVrpms2YWtHGrTW8=; Original-Received: from [84.212.220.105] (helo=elva) by quimby.gnus.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mGMjW-0000tL-9u; Wed, 18 Aug 2021 16:40:02 +0200 In-Reply-To: <5a178cc6-a628-64c5-b0c5-e8d7c09cd7a2@yandex.ru> (Dmitry Gutov's message of "Tue, 17 Aug 2021 03:14:13 +0300") 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:212149 Archived-At: Dmitry Gutov writes: > I think that only happens once per root per Emacs session (after that > the directory's backend is cached). Yup. If I instrument the function and then do a vc-root-diff in a fresh Emacs session, I get the expected backtrace: Debugger entered--entering a function: * vc-hg-state("/tmp/hg/") apply(vc-hg-state "/tmp/hg/") vc-call-backend(Hg state "/tmp/hg/") vc-state-refresh("/tmp/hg/" Hg) vc-state("/tmp/hg/" Hg) vc-hg-registered("/tmp/hg/") apply(vc-hg-registered "/tmp/hg/") vc-call-backend(Hg registered "/tmp/hg/") #f(compiled-function (b) #)(Hg) mapc(#f(compiled-function (b) #) (RCS CVS SVN SCCS SRC Bzr Git Hg)) vc-registered("/tmp/hg/") vc-backend("/tmp/hg/") vc-working-revision("/tmp/hg/") vc-root-diff(nil) eval((vc-root-diff nil) t) eval-expression((vc-root-diff nil) nil nil 127) funcall-interactively(eval-expression (vc-root-diff nil) nil nil 127) call-interactively(eval-expression nil nil) command-execute(eval-expression) -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no