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02/03: processes: Put ChildProcess and ChildPID on separate lines.
From: |
guix-commits |
Subject: |
02/03: processes: Put ChildProcess and ChildPID on separate lines. |
Date: |
Sun, 29 Nov 2020 18:16:54 -0500 (EST) |
civodul pushed a commit to branch master
in repository guix.
commit e1c81203ca9aa8a6dedb7c539d3ff845626aadcc
Author: John Soo <jsoo1@asu.edu>
AuthorDate: Thu Nov 12 21:16:48 2020 -0800
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>
---
doc/guix.texi | 22 +++++++++++++---------
guix/scripts/processes.scm | 6 ++++--
2 files changed, 17 insertions(+), 11 deletions(-)
diff --git a/doc/guix.texi b/doc/guix.texi
index 56a1a21..7cef237 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -84,6 +84,7 @@ Copyright @copyright{} 2020 André Batista@*
Copyright @copyright{} 2020 Alexandru-Sergiu Marton@*
Copyright @copyright{} 2020 raingloom@*
Copyright @copyright{} 2020 Daniel Brooks@*
+Copyright @copyright{} 2020 John Soo@*
Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU Free Documentation License, Version 1.3 or
@@ -12865,9 +12866,12 @@ ClientCommand: cuirass --cache-directory
/var/cache/cuirass @dots{}
LockHeld: /gnu/store/@dots{}-perl-ipc-cmd-0.96.lock
LockHeld: /gnu/store/@dots{}-python-six-bootstrap-1.11.0.lock
LockHeld: /gnu/store/@dots{}-libjpeg-turbo-2.0.0.lock
-ChildProcess: 20495: guix offload x86_64-linux 7200 1 28800
-ChildProcess: 27733: guix offload x86_64-linux 7200 1 28800
-ChildProcess: 27793: guix offload x86_64-linux 7200 1 28800
+ChildPID: 20495
+ChildCommand: guix offload x86_64-linux 7200 1 28800
+ChildPID: 27733
+ChildCommand: guix offload x86_64-linux 7200 1 28800
+ChildPID: 27793
+ChildCommand: guix offload x86_64-linux 7200 1 28800
@end example
In this example we see that @command{guix-daemon} has three clients:
@@ -12876,12 +12880,12 @@ integration tool; their process identifier (PID) is
given by the
@code{ClientPID} field. The @code{SessionPID} field gives the PID of the
@command{guix-daemon} sub-process of this particular session.
-The @code{LockHeld} fields show which store items are currently locked by this
-session, which corresponds to store items being built or substituted (the
-@code{LockHeld} field is not displayed when @command{guix processes} is not
-running as root). Last, by looking at the @code{ChildProcess} field, we
-understand that these three builds are being offloaded (@pxref{Daemon Offload
-Setup}).
+The @code{LockHeld} fields show which store items are currently locked
+by this session, which corresponds to store items being built or
+substituted (the @code{LockHeld} field is not displayed when
+@command{guix processes} is not running as root). Last, by looking at
+the @code{ChildPID} and @code{ChildCommand} fields, we understand that
+these three builds are being offloaded (@pxref{Daemon Offload Setup}).
The output is in Recutils format so we can use the handy @command{recsel}
command to select sessions of interest (@pxref{Selection Expressions,,,
diff --git a/guix/scripts/processes.scm b/guix/scripts/processes.scm
index b4ca7b1..3a7ea0b 100644
--- a/guix/scripts/processes.scm
+++ b/guix/scripts/processes.scm
@@ -1,5 +1,6 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2018, 2019, 2020 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2020 John Soo <jsoo1@asu.edu>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -188,8 +189,9 @@ active sessions, and the master 'guix-daemon' process."
(format port "LockHeld: ~a~%" lock))
(daemon-session-locks-held session))
(for-each (lambda (process)
- (format port "ChildProcess: ~a:~{ ~a~}~%"
- (process-id process)
+ (format port "ChildPID: ~a~%"
+ (process-id process))
+ (format port "ChildCommand: :~{ ~a~}~%"
(process-command process)))
(daemon-session-children session)))