public inbox for java@gcc.gnu.org
 help / color / mirror / Atom feed
From: David Daney <ddaney@caviumnetworks.com>
To: Erik Groeneveld <erik@cq2.nl>
Cc: java <java@gcc.gnu.org>
Subject: Re: GC leaks debugging
Date: Fri, 01 Apr 2011 17:41:00 -0000	[thread overview]
Message-ID: <4D960E35.90807@caviumnetworks.com> (raw)
In-Reply-To: <AANLkTim1XhyVMDOLpfSAM6QWMPmFDRz8vh-JgMpziPqR@mail.gmail.com>

On 04/01/2011 01:39 AM, Erik Groeneveld wrote:
> L.S.,
>
> I am debugging memory leaks in the GC of libgcj.  Generally, libgcj
> performs well, but there are some cases in which the heap literally
> explodes over time. I wish to solve this. The OpenJDK vm runs the same
> tests without any leaking.
>
> I compiled GCC 4.6, build with --enable-libgcj-debug=yes and started
> testing with GC_DUMP_REGULARLY=1.  From the results I have a few
> questions to understand it better.  I am still in a phase of
> pinpointing a minimal program to demonstrate the problem, and I would
> like to get hints as to search further.
>
> 1. The finalization table entries keeps on increasing up to 39344
> until it is killed, but the objects which are eligible for immediate
> finalization remains 0.  It seems that no finalization takes place.
> Could you give any hints as to what could be the reason for this?  It
> logs:
>

You should also look at:

http://gcc.gnu.org/onlinedocs/gcc-4.6.0/gcj/Invoking-gc_002danalyze.html#Invoking-gc_002danalyze

David Daney

[...]


  parent reply	other threads:[~2011-04-01 17:41 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-04-01  8:39 Erik Groeneveld
2011-04-01  8:45 ` Andrew Haley
2011-04-01  9:03   ` Erik Groeneveld
2011-04-01  9:34     ` Andrew Haley
2011-04-02  0:27       ` Boehm, Hans
2011-04-02  9:39         ` Erik Groeneveld
2011-04-03 17:15           ` Erik Groeneveld
2011-04-03 18:00             ` Erik Groeneveld
2011-04-04  8:13               ` Andrew Haley
2011-04-04  8:53                 ` Erik Groeneveld
2011-04-04  9:48                   ` Andrew Haley
2011-04-05  4:44                     ` Boehm, Hans
2011-04-05  8:58                       ` Andrew Haley
2011-04-05  6:50                     ` Erik Groeneveld
2011-04-05  9:02                       ` Andrew Haley
2011-04-05 12:02                         ` Erik Groeneveld
2011-04-05 12:55                           ` Andrew Haley
2011-04-06 14:30                             ` Erik Groeneveld
2011-04-06 18:33                               ` Andrew Haley
2011-04-06 18:39                                 ` David Daney
2011-04-07 17:43                                 ` Erik Groeneveld
2011-04-08  8:12                                   ` Erik Groeneveld
2011-04-08 13:56                                   ` Andrew Haley
2011-04-08 15:35                                     ` David Daney
2011-04-08 15:53                                       ` Erik Groeneveld
2011-04-08 15:57                                         ` Andrew Haley
2011-04-08 15:48                                     ` Erik Groeneveld
2011-04-09  1:17                                     ` Boehm, Hans
2011-04-09  8:47                                       ` Andrew Haley
2011-04-09 10:56                                       ` Erik Groeneveld
2011-04-10 11:03                                         ` Erik Groeneveld
2011-04-12 18:43                                           ` Erik Groeneveld
2011-04-13  8:11                                             ` Andrew Haley
2011-04-13 12:11                                               ` Bryce McKinlay
2011-04-13 14:27                                                 ` Andrew Haley
2011-04-14  8:36                                               ` Erik Groeneveld
2011-04-14  8:43                                                 ` Andrew Haley
2011-04-14 10:02                                                   ` Erik Groeneveld
2011-04-14 10:50                                                     ` Andrew Haley
2011-04-15  7:32                                                       ` Erik J Groeneveld
2011-04-01 17:41 ` David Daney [this message]
2011-04-02 16:21   ` Erik Groeneveld

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4D960E35.90807@caviumnetworks.com \
    --to=ddaney@caviumnetworks.com \
    --cc=erik@cq2.nl \
    --cc=java@gcc.gnu.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).