NetBSD Problem Report #56628

From adrian@mx.aik.onl  Fri Jan 14 19:22:47 2022
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Message-Id: <20220114192242.9F74727225@www3.kiess.onl>
Date: Fri, 14 Jan 2022 20:22:42 +0100 (CET)
From: adrian@mx.aik.onl
Reply-To: adrian@kiess.onl
To: gnats-bugs@NetBSD.org
Subject: py39-Glances-3.2.3.1 from pkgsrc-2021Q3 on amd64 has memory leak and displays wrong swapspace statistics
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>Number:         56628
>Category:       pkg
>Synopsis:       py39-Glances-3.2.3.1 from pkgsrc-2021Q3 on amd64 has memory leak and displays wrong swapspace statistics
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    fox
>State:          closed
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Jan 14 19:25:00 +0000 2022
>Closed-Date:    Wed Apr 22 11:49:37 +0000 2026
>Last-Modified:  Wed Apr 22 11:49:37 +0000 2026
>Originator:     Adrian Immanuel Kiess
>Release:        NetBSD 9.2
>Organization:
  KIESS.ONL	
>Environment:


System: NetBSD www3.kiess.onl 9.2 NetBSD 9.2 (GENERIC) #0: Wed May 12 13:15:55 UTC 2021 mkrepro@mkrepro.NetBSD.org:/usr/src/sys/arch/amd64/compile/GENERIC amd64
Architecture: x86_64
Machine: amd64
>Description:
  py39-Glances-3.2.3.1 from the pkgsrc-2021Q3 amd64 binaries has a memory leak and displays wrong swapspace statistics.

	I would like to use Glances to monitor my NetBSD VPS, but the memory leak makes it impossible to use it for this usecase.

	Running Glances on NetBSD for about a day, the Glances process can get up to over 4 Gigabyte large in memory.

	In addition to that, the SWAP statistics are wrong and display negative values.

	I also use Glances on FreeBSD and Debian, where both Glances works fine.

	Thank you very much for your kind attention.

	Sincerely,

	Adrian Kiess

>How-To-Repeat:
 # pkgin install py39-Glances, $ glances-3.9 and watch the memory usage of the glances process, it will continue to grow to very large values in RAM over time	
>Fix:
	Sadly, I don't know how to fix this.

>Release-Note:

>Audit-Trail:

Responsible-Changed-From-To: pkg-manager->fox
Responsible-Changed-By: wiz@NetBSD.org
Responsible-Changed-When: Sat, 15 Jan 2022 09:04:04 +0000
Responsible-Changed-Why:
Over to maintainer


From: Santhosh Raju <santhosh.raju@gmail.com>
To: gnats-bugs@netbsd.org
Cc: Thomas Klausner <wiz@netbsd.org>
Subject: Re: pkg/56628
Date: Thu, 9 Apr 2026 20:31:41 +0200

 The root cause of this was identified back to the sysutils/py-psutil
 package and how it computes the swap. The fix was to remove psutil's
 dependency on procfs to derive the CPU / memory statistics and get
 them via sysctl(3) calls in psutil.
 - https://pkgsrc.se/files.php?messageId=20260406165312.61E3BFA2B@cvs.NetBSD.org
 - https://pkgsrc.se/files.php?messageId=20260407054912.E3D02FA2B@cvs.NetBSD.org
 - https://pkgsrc.se/files.php?messageId=20260407060123.D1E5FFA2B@cvs.NetBSD.org

 sysutils/py-Glances uses this library to derive the various CPU /
 Memory metrics that it displays in the UI.

 As of py313-Glances-4.5.3 and py313-psutil-7.2.2nb2 (which are both
 available in pkgsrc-current), this issue should be fixed.
 - No longer glances process grows to a large size due to memory leak
 (especially when putting it up for extended periods).
 - The swap statistics should be shown correctly.

 Upstream fixes have been submitted to psutil and this has been merged,
 so future updates of sysutils/py-psutils should no longer (hopefully)
 break glances.
 - https://github.com/giampaolo/psutil/pull/2805

 P.S: I know this is a very delayed reply to a report from 2022, but
 better to address it late than never.

 P.S: Will wait a couple of months before closing the ticket in case
 the original reporter wants to reply back.

 Regards
 Santhosh

State-Changed-From-To: open->feedback
State-Changed-By: fox@NetBSD.org
State-Changed-When: Thu, 09 Apr 2026 18:36:56 +0000
State-Changed-Why:
The issue has been fixed and a detailed reply was appended to the ticket explaining the root cause and the fixes done. Now waiting for reporter feedback.


From: =?UTF-8?Q?Adrian_Kie=C3=9F?= <adrian@kiess.onl>
To: gnats-bugs@netbsd.org
Cc: 
Subject: Re: pkg/56628
Date: Wed, 22 Apr 2026 08:10:22 +0200

 Dear Maintainer,

 I tested with version glances-3.14 on NetBSD 10.1.

 The memory usage and swap space informations given through the program 
 look good now.

 Thank you a lot for your kind reply and help.

 Sincerely,

 Adrian Kiess


State-Changed-From-To: feedback->closed
State-Changed-By: bsiegert@NetBSD.org
State-Changed-When: Wed, 22 Apr 2026 11:49:37 +0000
State-Changed-Why:
confirmed fixed


>Unformatted:

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