From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp0 ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms11 with LMTPS id GGWeAt0mrF9NJAAA0tVLHw (envelope-from ) for ; Wed, 11 Nov 2020 18:01:01 +0000 Received: from aspmx1.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp0 with LMTPS id UM8ZOtwmrF94aAAA1q6Kng (envelope-from ) for ; Wed, 11 Nov 2020 18:01:00 +0000 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by aspmx1.migadu.com (Postfix) with ESMTPS id 71B809403C4 for ; Wed, 11 Nov 2020 18:01:00 +0000 (UTC) Received: from localhost ([::1]:36944 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kcuQV-0004lY-6H for larch@yhetil.org; Wed, 11 Nov 2020 13:00:59 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:35334) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kcuPb-0004kg-Kg for guix-patches@gnu.org; Wed, 11 Nov 2020 13:00:05 -0500 Received: from debbugs.gnu.org ([209.51.188.43]:59448) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kcuPa-0002NW-Dh for guix-patches@gnu.org; Wed, 11 Nov 2020 13:00:03 -0500 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1kcuPa-0004kd-BA for guix-patches@gnu.org; Wed, 11 Nov 2020 13:00:02 -0500 X-Loop: help-debbugs@gnu.org Subject: [bug#44460] Add copyright lines Resent-From: John Soo Original-Sender: "Debbugs-submit" Resent-CC: guix-patches@gnu.org Resent-Date: Wed, 11 Nov 2020 18:00:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 44460 X-GNU-PR-Package: guix-patches X-GNU-PR-Keywords: patch To: Ludovic =?UTF-8?Q?Court=C3=A8s?= Cc: 44460@debbugs.gnu.org Received: via spool by 44460-submit@debbugs.gnu.org id=B44460.160511758518210 (code B ref 44460); Wed, 11 Nov 2020 18:00:02 +0000 Received: (at 44460) by debbugs.gnu.org; 11 Nov 2020 17:59:45 +0000 Received: from localhost ([127.0.0.1]:42761 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kcuPI-0004jd-Ug for submit@debbugs.gnu.org; Wed, 11 Nov 2020 12:59:45 -0500 Received: from mail-pg1-f172.google.com ([209.85.215.172]:42413) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kcuPG-0004jN-IQ for 44460@debbugs.gnu.org; Wed, 11 Nov 2020 12:59:43 -0500 Received: by mail-pg1-f172.google.com with SMTP id i13so1876068pgm.9 for <44460@debbugs.gnu.org>; Wed, 11 Nov 2020 09:59:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=asu-edu.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version; bh=WefX+e3OsXor0FudUiMvuDgCPVrzMsM5JL5+vUWMZ24=; b=hhy2ARaNUo8NHQOh6JaH2UrYmqcw3XC2e4xLAZ/f5B5T4xlnJ4yW9uXEuB2+O6qYfN O7lh9RzcNLiKjB15xSPLxPQFiU9j/FejBz4JIY7Ltxkk5aCoydZshQLAN+QwBrtKidn8 SXLKYx0eWGxyLtG6+rhEo9BRUaiMoMhy2womhZIy9uYRhQW+xg44W67XCE2aA3moIZ0b Sl77nwWuS4Gfj7ZDUEEydIW32S/QaWzQpLu+APsdoQffNNJJUXuHs/1BeQgdHWzW4Cm5 wGiD45bNEkbTHWau7AU3c6LRuW9VRGO09PkjLshnhHnZnnU7TD3BwQBxSSJ3STD+6F/0 1u9Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:references:date:in-reply-to :message-id:user-agent:mime-version; bh=WefX+e3OsXor0FudUiMvuDgCPVrzMsM5JL5+vUWMZ24=; b=QhV+az9Oe94wVAmdEGZDODY6wqYFchVktprcPXje5y1S+wir/Dje5/qTpZr6MWZT/S yuMA1yr5R499FfbAWVL8HcsNUhasYQMKcwlvmzBMWKA6jKXV4HpU3yIkOXmb2ad3qX3D FKyO4FysT44aFT2yjeyAy339V3GVlZdg9WBPbRJOdYvFGxXhAaUSU8lyDSpSbL7Jrtdg ZE7EpgmrDikJ0Gu18MDUGHRlGq+jSbPmrBe0SMPSEJmACos5Sq48Npo0Lg7MNWaSiFNv lL44TUnH8QFNlIrhZW0dmxSlCgQ84508v9H2wD3k2L6suynpZHnDIHKQaNveR2WvUOF6 PSyw== X-Gm-Message-State: AOAM5319aJUr2oMlnoTnh1wz1T3rRs15i0Hj4Bc3SeX2MbcN2WmrFnLo ktbMMVxX0iIUoqn35TPQ+epo8zp7+SAh+A== X-Google-Smtp-Source: ABdhPJwcjcwJbaF38eGhGrjrAe0/W/Sh3mYouVvV86Mu4jd621y70WumcO8+1dhEkK222K5GZCsq2g== X-Received: by 2002:a63:1849:: with SMTP id 9mr22764316pgy.443.1605117576341; Wed, 11 Nov 2020 09:59:36 -0800 (PST) Received: from ecenter ([2600:1700:83b0:8bd0::7a8]) by smtp.gmail.com with ESMTPSA id l14sm3620825pfd.113.2020.11.11.09.59.35 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Wed, 11 Nov 2020 09:59:35 -0800 (PST) From: John Soo References: <87o8kcv30a.fsf@asu.edu> <878sbeoya2.fsf@asu.edu> <87k0usn9jk.fsf@gnu.org> <87imabok8j.fsf@asu.edu> Date: Wed, 11 Nov 2020 09:59:34 -0800 In-Reply-To: <87imabok8j.fsf@asu.edu> (John Soo's message of "Wed, 11 Nov 2020 09:51:08 -0800") Message-ID: <87blg3ojuh.fsf@asu.edu> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux) MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="=-=-=" X-Spam-Score: -0.0 (/) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-Spam-Score: -1.0 (-) X-BeenThere: guix-patches@gnu.org List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-patches-bounces+larch=yhetil.org@gnu.org Sender: "Guix-patches" X-Scanner: ns3122888.ip-94-23-21.eu Authentication-Results: aspmx1.migadu.com; dkim=fail (body hash did not verify) header.d=asu-edu.20150623.gappssmtp.com header.s=20150623 header.b=hhy2ARaN; dmarc=fail reason="SPF not aligned (relaxed)" header.from=asu.edu (policy=none); spf=pass (aspmx1.migadu.com: domain of guix-patches-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=guix-patches-bounces@gnu.org X-Spam-Score: 0.09 X-TUID: JP4LaC1uqchE --=-=-= Content-Type: text/plain I realized I slightly altered the --help format. That is fixed here. Thanks again, John --=-=-= Content-Type: text/x-patch; charset=utf-8 Content-Disposition: attachment; filename=0001-processes-Optionally-normalize-recutils-output.patch Content-Transfer-Encoding: quoted-printable >From 7d03d98ef9e2164723db09c83b1c6973b2ad916e Mon Sep 17 00:00:00 2001 From: John Soo Date: Wed, 4 Nov 2020 07:51:52 -0800 Subject: [PATCH] processes: Optionally normalize recutils output. * guix/scripts/processes.scm: Add "normalize" flag --- doc/guix.texi | 29 ++++++++ guix/scripts/processes.scm | 132 +++++++++++++++++++++++++++++++------ 2 files changed, 142 insertions(+), 19 deletions(-) diff --git a/doc/guix.texi b/doc/guix.texi index 5e3e0435b4..5df6096f39 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -82,6 +82,7 @@ Copyright @copyright{} 2020 Pierre Langlois@* Copyright @copyright{} 2020 pinoaffe@* Copyright @copyright{} 2020 Andr=C3=A9 Batista@* Copyright @copyright{} 2020 Alexandru-Sergiu Marton@* +Copyright @copyright{} 2020 John Soo@* =20 Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or @@ -12691,6 +12692,34 @@ ClientPID: 19419 ClientCommand: cuirass --cache-directory /var/cache/cuirass @dots{} @end example =20 +Additional options are listed below. + +@table @code +@item --normalize +Normalize the output records into record sets (@pxref{Record Sets,,, +recutils, GNU recutils manual}). Normalizing into record sets allows +joins across record types. The example below lists the PID of each +ChildProcess and the associated PID for Session that spawned the +ChildProcess where the Session was started using guix build. + +@example +$ guix processes --normalize | \ + recsel \ + -j Session \ + -t ChildProcess \ + -p Session.PID,PID \ + -e 'Session.ClientCommand ~ "guix build'" +PID: 4435 +Session_PID: 4278 + +PID: 4554 +Session_PID: 4278 + +PID: 4646 +Session_PID: 4278 +@end example +@end table + @node System Configuration @chapter System Configuration =20 diff --git a/guix/scripts/processes.scm b/guix/scripts/processes.scm index b4ca7b1687..02515b1c1d 100644 --- a/guix/scripts/processes.scm +++ b/guix/scripts/processes.scm @@ -1,5 +1,6 @@ ;;; GNU Guix --- Functional package management for GNU ;;; Copyright =C2=A9 2018, 2019, 2020 Ludovic Court=C3=A8s +;;; Copyright =C2=A9 2020 John Soo ;;; ;;; This file is part of GNU Guix. ;;; @@ -176,6 +177,9 @@ active sessions, and the master 'guix-daemon' process." (values (filter-map child-process->session children) master))) =20 +(define (lock->recutils lock port) + (format port "LockHeld: ~a~%" lock)) + (define (daemon-session->recutils session port) "Display SESSION information in recutils format on PORT." (format port "SessionPID: ~a~%" @@ -184,8 +188,7 @@ active sessions, and the master 'guix-daemon' process." (process-id (daemon-session-client session))) (format port "ClientCommand:~{ ~a~}~%" (process-command (daemon-session-client session))) - (for-each (lambda (lock) - (format port "LockHeld: ~a~%" lock)) + (for-each (lambda (lock) (lock->recutils lock port)) (daemon-session-locks-held session)) (for-each (lambda (process) (format port "ChildProcess: ~a:~{ ~a~}~%" @@ -193,19 +196,89 @@ active sessions, and the master 'guix-daemon' process= ." (process-command process))) (daemon-session-children session))) =20 +(define (daemon-sessions->recutils port sessions) + "Display denormalized SESSIONS information to PORT." + (for-each (lambda (session) + (daemon-session->recutils session port) + (newline port)) + sessions)) + +(define session-rec-type + "%rec: Session +%type: PID int +%type: ClientPID int +%key: PID +%mandatory: ClientPID ClientCommand +%allowed: LockHeld") + +(define child-process-rec-type + "%rec: ChildProcess +%type: PID int +%type: Session rec Session +%key: PID +%mandatory: Command") + +(define (session-key->recutils session port) + "Display SESSION PID as a recutils field on PORT." + (format + port "Session: ~a" + (process-id (daemon-session-process session)))) + +(define (session-scalars->normalized-record session port) + "Display SESSION scalar fields to PORT in normalized form." + (format port "PID: ~a~%" + (process-id (daemon-session-process session))) + (format port "ClientPID: ~a~%" + (process-id (daemon-session-client session))) + (format port "ClientCommand:~{ ~a~}~%" + (process-command (daemon-session-client session)))) + +(define (child-process->normalized-record process port) + "Display PROCESS record on PORT in normalized form" + (format port "PID: ~a" (process-id process)) + (newline port) + (format port "Command:~{ ~a~}" (process-command process))) + +(define (daemon-sessions->normalized-record port sessions) + "Display SESSIONS recutils on PORT in normalized form" + (display session-rec-type port) + (newline port) + (newline port) + (for-each (lambda (session) + (session-scalars->normalized-record session port) + (for-each (lambda (lock) + (lock->recutils lock port)) + (daemon-session-locks-held session)) + (newline port)) + sessions) + + (display child-process-rec-type port) + (newline port) + (newline port) + (for-each (lambda (session) + (for-each (lambda (process) + (child-process->normalized-record process port) + (newline port) + (session-key->recutils session port) + (newline port) + (newline port)) + (daemon-session-children session))) + sessions)) + ;;; ;;; Options. ;;; =20 -(define %options - (list (option '(#\h "help") #f #f - (lambda args - (show-help) - (exit 0))) - (option '(#\V "version") #f #f - (lambda args - (show-version-and-exit "guix processes"))))) +(define %available-formats + '("recutils" "recutils-normalized")) + +(define (list-formats) + (display (G_ "The available formats are:\n")) + (newline) + (for-each (lambda (f) + (format #t " - ~a~%" f)) + %available-formats)) =20 (define (show-help) (display (G_ "Usage: guix processes @@ -216,8 +289,33 @@ List the current Guix sessions and their processes.")) (display (G_ " -V, --version display version information and exit")) (newline) + (display (G_ " + -f, --format=3DFORMAT display results as normalized record sets")) + (display (G_ " + --list-formats display available formats")) + (newline) (show-bug-report-information)) =20 +(define %options + (list (option '(#\h "help") #f #f + (lambda args + (show-help) + (exit 0))) + (option '(#\V "version") #f #f + (lambda args + (show-version-and-exit "guix processes"))) + (option '(#\f "format") #t #f + (lambda (opt name arg result) + (unless (member arg %available-formats) + (leave (G_ "~a: unsupported output format~%") arg)) + (alist-cons 'format (string->symbol arg) result))) + (option '("list-formats") #f #f + (lambda (opt name arg result) + (list-formats) + (exit 0))))) + +(define %default-options '((format . recutils))) + ;;; ;;; Entry point. @@ -227,17 +325,13 @@ List the current Guix sessions and their processes.")) (category plumbing) (synopsis "list currently running sessions") (define options - (args-fold* args %options - (lambda (opt name arg result) - (leave (G_ "~A: unrecognized option~%") name)) - cons - '())) + (parse-command-line args %options (list %default-options))) =20 (with-paginated-output-port port - (for-each (lambda (session) - (daemon-session->recutils session port) - (newline port)) - (daemon-sessions)) + (match (assoc-ref options 'format) + ('recutils-normalized + (daemon-sessions->normalized-record port (daemon-sessions))) + (_ (daemon-sessions->recutils port (daemon-sessions)))) =20 ;; Pass 'R' (instead of 'r') so 'less' correctly estimates line length. #:less-options "FRX")) --=20 2.29.1 --=-=-=--