processes: Put ChildProcess and ChildPID on separate lines.
* guix/scripts/processes.scm (daemon-session->recutils): Put child process information in separate fields. * doc/guix.texi (Invoking guix processes): Document change in output of 'guix processes'. Signed-off-by: Ludovic Courtès <ludo@gnu.org>
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@ -84,6 +84,7 @@ Copyright @copyright{} 2020 André Batista@*
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Copyright @copyright{} 2020 Alexandru-Sergiu Marton@*
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Copyright @copyright{} 2020 raingloom@*
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Copyright @copyright{} 2020 Daniel Brooks@*
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Copyright @copyright{} 2020 John Soo@*
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Permission is granted to copy, distribute and/or modify this document
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under the terms of the GNU Free Documentation License, Version 1.3 or
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@ -12865,9 +12866,12 @@ ClientCommand: cuirass --cache-directory /var/cache/cuirass @dots{}
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LockHeld: /gnu/store/@dots{}-perl-ipc-cmd-0.96.lock
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LockHeld: /gnu/store/@dots{}-python-six-bootstrap-1.11.0.lock
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LockHeld: /gnu/store/@dots{}-libjpeg-turbo-2.0.0.lock
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ChildProcess: 20495: guix offload x86_64-linux 7200 1 28800
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ChildProcess: 27733: guix offload x86_64-linux 7200 1 28800
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ChildProcess: 27793: guix offload x86_64-linux 7200 1 28800
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ChildPID: 20495
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ChildCommand: guix offload x86_64-linux 7200 1 28800
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ChildPID: 27733
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ChildCommand: guix offload x86_64-linux 7200 1 28800
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ChildPID: 27793
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ChildCommand: guix offload x86_64-linux 7200 1 28800
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@end example
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In this example we see that @command{guix-daemon} has three clients:
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@ -12876,12 +12880,12 @@ integration tool; their process identifier (PID) is given by the
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@code{ClientPID} field. The @code{SessionPID} field gives the PID of the
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@command{guix-daemon} sub-process of this particular session.
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The @code{LockHeld} fields show which store items are currently locked by this
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session, which corresponds to store items being built or substituted (the
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@code{LockHeld} field is not displayed when @command{guix processes} is not
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running as root). Last, by looking at the @code{ChildProcess} field, we
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understand that these three builds are being offloaded (@pxref{Daemon Offload
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Setup}).
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The @code{LockHeld} fields show which store items are currently locked
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by this session, which corresponds to store items being built or
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substituted (the @code{LockHeld} field is not displayed when
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@command{guix processes} is not running as root). Last, by looking at
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the @code{ChildPID} and @code{ChildCommand} fields, we understand that
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these three builds are being offloaded (@pxref{Daemon Offload Setup}).
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The output is in Recutils format so we can use the handy @command{recsel}
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command to select sessions of interest (@pxref{Selection Expressions,,,
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@ -1,5 +1,6 @@
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;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2018, 2019, 2020 Ludovic Courtès <ludo@gnu.org>
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;;; Copyright © 2020 John Soo <jsoo1@asu.edu>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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@ -188,8 +189,9 @@ (define (daemon-session->recutils session port)
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(format port "LockHeld: ~a~%" lock))
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(daemon-session-locks-held session))
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(for-each (lambda (process)
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(format port "ChildProcess: ~a:~{ ~a~}~%"
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(process-id process)
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(format port "ChildPID: ~a~%"
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(process-id process))
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(format port "ChildCommand: :~{ ~a~}~%"
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(process-command process)))
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(daemon-session-children session)))
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