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From: Carlos O'Donell <carlos@redhat.com>
To: Eli Zaretskii <eliz@gnu.org>, Trevor Bentley <trevor@trevorbentley.com>
Cc: fweimer@redhat.com, 43389@debbugs.gnu.org, bugs@gnu.support,
	dj@redhat.com, michael_heerdegen@web.de
Subject: bug#43389: 28.0.50; Emacs memory leaks using hard disk all time
Date: Wed, 25 Nov 2020 12:48:20 -0500	[thread overview]
Message-ID: <ce7e6b72-bef9-c464-19a1-ca8218434690@redhat.com> (raw)
In-Reply-To: <83d002tuoo.fsf@gnu.org>

On 11/24/20 2:35 PM, Eli Zaretskii wrote:
>> From: Trevor Bentley <trevor@trevorbentley.com>
>> Cc: bugs@gnu.support, fweimer@redhat.com, 43389@debbugs.gnu.org,
>>  dj@redhat.com, michael_heerdegen@web.de, carlos@redhat.com
>> Cc: 
>> Date: Tue, 24 Nov 2020 20:05:15 +0100
>>
>> I just updated the log on my website.  Same instance a day later, 
>> after yet another memory spike up to 4.3GB.  Concatenated to the 
>> end:
>>
>> https://trevorbentley.com/emacs_malloc_info.log
> 
> I don't think I can interpret that.  In particular, how come "total"
> is 4GB, but I see no comparable sizes in any of the other fields?
> where do those 4GB hide?  Carlos, can you help interpreting this
> report?

The 4GiB are in use by the application and it is up to us to increase
the observability of that usage with our tooling.

>> Question 3: I've never used the malloc_trim() function.  Could 
>> that be something worth experimenting with, to see if it releases 
>> any of the massive heap back to the OS?
> 
> That's for glibc guys to answer.

If malloc_info() shows memory that is free'd and unused then malloc_trim()
can free back any unused pages to the OS.

However, in your last day malloc_info() output you only show ~50MiB of
unused memory out of ~4GiB, so calling malloc_trim() would only free
~50MiB. There is heavy usage of the kernel heap by something. Finding
out what is using that memory is our next step.

-- 
Cheers,
Carlos.






  parent reply	other threads:[~2020-11-25 17:48 UTC|newest]

Thread overview: 166+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-15 14:55 bug#44666: 28.0.50; malloc-info: Emacs became not responsive, using hard disk all time Jean Louis
2020-11-16 16:11 ` Eli Zaretskii
2020-11-16 16:17   ` Jean Louis
2020-11-17 15:04     ` Eli Zaretskii
2020-11-19  6:59       ` Jean Louis
2020-11-19 14:37         ` bug#43389: 28.0.50; Emacs memory leaks " Eli Zaretskii
2020-11-20  3:16           ` Jean Louis
2020-11-20  8:10             ` Eli Zaretskii
2020-11-22 19:52               ` Jean Louis
2020-11-22 20:16                 ` Eli Zaretskii
2020-11-23  3:41                   ` Carlos O'Donell
2020-11-23  8:11                   ` Jean Louis
2020-11-23  9:59                     ` Eli Zaretskii
2020-11-23 17:19                       ` Arthur Miller
2020-11-23 17:44                         ` Eli Zaretskii
2020-11-23 18:34                           ` Arthur Miller
2020-11-23 19:06                             ` Jean Louis
2020-11-23 19:15                             ` Eli Zaretskii
2020-11-23 19:49                               ` Arthur Miller
2020-11-23 20:04                                 ` Eli Zaretskii
2020-11-23 21:12                                   ` Arthur Miller
2020-11-24  2:07                                   ` Arthur Miller
2020-11-23 20:31                                 ` Jean Louis
2020-11-23 21:22                                   ` Arthur Miller
2020-11-24  5:29                                     ` Jean Louis
2020-11-24  8:15                                       ` Arthur Miller
2020-11-24  9:06                                         ` Jean Louis
2020-11-24  9:27                                           ` Arthur Miller
2020-11-24 17:18                                             ` Jean Louis
2020-11-25 14:59                                               ` Arthur Miller
2020-11-25 15:09                                                 ` Jean Louis
2020-11-23 13:27                   ` Jean Louis
2020-11-23 15:54                     ` Carlos O'Donell
2020-11-23 18:58                       ` Jean Louis
2020-11-23 19:34                         ` Eli Zaretskii
2020-11-23 19:49                           ` Jean Louis
2020-11-23 20:04                           ` Carlos O'Donell
2020-11-23 20:16                             ` Eli Zaretskii
2020-11-23 19:37                         ` Carlos O'Donell
2020-11-23 19:55                           ` Jean Louis
2020-11-23 20:06                             ` Carlos O'Donell
2020-11-23 20:18                               ` Jean Louis
2020-11-23 20:31                                 ` Eli Zaretskii
2020-11-23 20:41                                   ` Jean Louis
2020-11-23 20:53                                     ` Andreas Schwab
2020-11-23 21:09                                       ` Jean Louis
2020-11-24  3:25                                       ` Eli Zaretskii
2020-11-23 20:10                             ` Eli Zaretskii
2020-11-23 19:50                     ` Carlos O'Donell
2020-11-23 19:59                       ` Jean Louis
2020-11-23 10:59               ` Jean Louis
2020-11-23 15:46                 ` Eli Zaretskii
2020-11-23 17:29                   ` Arthur Miller
2020-11-23 17:45                     ` Eli Zaretskii
2020-11-23 18:40                       ` Arthur Miller
2020-11-23 19:23                         ` Eli Zaretskii
2020-11-23 19:38                           ` Arthur Miller
2020-11-23 19:52                             ` Eli Zaretskii
2020-11-23 20:03                               ` Arthur Miller
2020-11-23 19:39                           ` Andrea Corallo via Bug reports for GNU Emacs, the Swiss army knife of text editors
2020-11-23 19:59                             ` Arthur Miller
2020-11-23 20:15                               ` Eli Zaretskii
2020-11-23 21:15                                 ` Arthur Miller
2020-11-23 20:53                               ` Andrea Corallo via Bug reports for GNU Emacs, the Swiss army knife of text editors
2020-11-23 18:33                   ` Jean Louis
2020-11-23 21:30                   ` Trevor Bentley
2020-11-23 22:11                     ` Trevor Bentley
2020-11-24 16:07                     ` Eli Zaretskii
2020-11-24 19:05                       ` Trevor Bentley
2020-11-24 19:35                         ` Eli Zaretskii
2020-11-25 10:22                           ` Trevor Bentley
2020-11-25 17:47                             ` Eli Zaretskii
2020-11-25 19:06                               ` Trevor Bentley
2020-11-25 19:22                                 ` Eli Zaretskii
2020-11-25 19:38                                   ` Trevor Bentley
2020-11-25 20:02                                     ` Eli Zaretskii
2020-11-25 20:43                                       ` Trevor Bentley
2020-11-25 17:48                           ` Carlos O'Donell [this message]
2020-11-25 17:45                       ` Carlos O'Donell
2020-11-25 18:03                         ` Eli Zaretskii
2020-11-25 18:57                           ` Carlos O'Donell
2020-11-25 19:13                             ` Eli Zaretskii
2020-11-26  9:09                           ` Jean Louis
2020-11-26 14:13                             ` Eli Zaretskii
2020-11-26 18:37                               ` Jean Louis
2020-11-27  5:08                                 ` Carlos O'Donell
2020-11-25 18:08                         ` Jean Louis
2020-11-25 18:51                           ` Trevor Bentley
2020-11-25 19:02                             ` Carlos O'Donell
2020-11-25 19:17                               ` Trevor Bentley
2020-11-25 20:51                                 ` Carlos O'Donell
2020-11-26 13:58                                   ` Eli Zaretskii
2020-11-26 20:21                                     ` Carlos O'Donell
2020-11-26 20:30                                       ` Eli Zaretskii
2020-11-27  5:04                                         ` Carlos O'Donell
2020-11-27  7:40                                           ` Eli Zaretskii
2020-11-27  7:52                                             ` Eli Zaretskii
2020-11-27  8:20                                               ` Eli Zaretskii
2020-11-28  9:00                                                 ` Eli Zaretskii
2020-11-28 10:45                                                   ` Jean Louis
2020-11-28 17:49                                                   ` Trevor Bentley
2020-11-30 17:17                                                     ` Trevor Bentley
2020-11-30 18:15                                                       ` Eli Zaretskii
2020-11-30 18:33                                                         ` Trevor Bentley
2020-11-30 19:02                                                           ` Eli Zaretskii
2020-11-30 19:17                                                             ` Jean Louis
2020-12-01 10:14                                                               ` Trevor Bentley
2020-12-01 10:33                                                                 ` Jean Louis
2020-12-01 16:00                                                               ` Eli Zaretskii
2020-12-01 16:14                                                                 ` Andrea Corallo via Bug reports for GNU Emacs, the Swiss army knife of text editors
2020-12-08 21:50                                                       ` Trevor Bentley
2020-12-08 22:12                                                         ` Carlos O'Donell
2020-12-10 18:45                                                         ` Eli Zaretskii
2020-12-10 19:21                                                           ` Stefan Monnier
2020-12-10 19:33                                                             ` Trevor Bentley
2020-12-10 19:47                                                               ` Stefan Monnier
2020-12-10 20:26                                                             ` Jean Louis
2020-12-10 20:30                                                             ` Jean Louis
2020-12-12 11:20                                                             ` Trevor Bentley
2020-12-12 11:40                                                               ` Eli Zaretskii
2020-12-12 19:14                                                                 ` Stefan Monnier
2020-12-12 19:20                                                                   ` Eli Zaretskii
2020-12-12 19:46                                                                     ` Stefan Monnier
2020-12-12 19:51                                                                       ` Eli Zaretskii
2020-12-12 20:14                                                                         ` Trevor Bentley
2020-12-12 22:16                                                                 ` Michael Heerdegen
2020-12-13  3:34                                                                   ` Eli Zaretskii
2020-12-13 10:20                                                                     ` Trevor Bentley
2020-12-13 15:30                                                                       ` Eli Zaretskii
2020-12-13 19:34                                                                         ` Trevor Bentley
2020-12-13 19:38                                                                           ` Eli Zaretskii
2020-12-13 19:59                                                                             ` Trevor Bentley
2020-12-13 20:21                                                                               ` Eli Zaretskii
2020-12-13 20:41                                                                                 ` Trevor Bentley
2020-12-14  3:24                                                                                   ` Eli Zaretskii
2020-12-14 21:24                                                                                     ` Trevor Bentley
2021-01-20 12:02                                                                                       ` Trevor Bentley
2021-01-20 12:08                                                                                         ` Trevor Bentley
2021-01-20 14:53                                                                                         ` Stefan Monnier
2021-01-20 15:32                                                                                           ` Eli Zaretskii
2021-01-20 15:40                                                                                             ` Stefan Monnier
2020-09-12  2:12                                                                                               ` bug#43395: 28.0.50; memory leak Madhu
2020-09-14 15:08                                                                                                 ` Eli Zaretskii
2020-09-15  1:23                                                                                                   ` Madhu
     [not found]                                                                                                 ` <handler.43395.D43389.161115724232582.notifdone@debbugs.gnu.org>
2021-02-06 16:25                                                                                                   ` bug#43389: bug#43395: closed Madhu
2021-03-21 14:10                                                                                                     ` Madhu
2021-01-20 15:49                                                                                               ` bug#43389: 28.0.50; Emacs memory leaks using hard disk all time Trevor Bentley
2020-12-10 20:24                                                           ` Jean Louis
2020-12-12  1:28                                                           ` Jean Louis
2020-12-12  8:49                                                             ` Andreas Schwab
2020-12-03  6:30                                                   ` Jean Louis
2020-11-28 17:31                                               ` Trevor Bentley
2020-11-27 15:33                                           ` Eli Zaretskii
2020-12-08 22:15                                             ` Carlos O'Donell
2020-11-25 19:01                           ` Carlos O'Donell
2020-11-26 12:37                         ` Trevor Bentley
2020-11-26 14:30                           ` Eli Zaretskii
2020-11-26 15:19                             ` Trevor Bentley
2020-11-26 15:31                               ` Eli Zaretskii
2020-11-27  4:54                               ` Carlos O'Donell
2020-11-27  8:44                                 ` Jean Louis
2020-11-26 18:25                             ` Jean Louis
2020-11-27  4:55                               ` Carlos O'Donell
2020-11-23  3:35             ` Carlos O'Donell
2020-11-23 11:07               ` Jean Louis
2020-11-19  7:43       ` bug#44666: 28.0.50; malloc-info: Emacs became not responsive, " Jean Louis

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