[asterisk-users] "Hidden" memory leak

[Tzafrir Cohen]

On Wed, Jun 23, 2010 at 04:27:20PM -0500, Tilghman Lesher wrote:
> On Wednesday 23 June 2010 15:45:05 Miguel Molina wrote:
> > Hi all,
> >
> > Anyone know why this happens?
> >
> > Mem:    524288k total,   508120k used,    16168k free,        0k buffers
> > Swap:        0k total,        0k used,        0k free,        0k cached
> >
> >    PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
> >      1 root      15   0  2152  664  576 S  0.0  0.1   0:49.26 init
> >   7398 root      18   0 10172 2904 2312 S  0.0  0.6   0:00.21 sshd
> >   9856 root      15   0  4756 1528 1232 S  0.0  0.3   0:00.06 bash
> > 11316 root      15   0  3332 1112  572 S  0.0  0.2   0:01.14 crond
> > 16282 root      25   0  4756 1008  820 S  0.0  0.2   0:00.00 safe_asterisk
> > 22514 root      25   0  494m *445m* 6612 S  0.0 *87.0* 663:08.66 asterisk

[snip]

> > Anoyone knows why the memory leak is not shown in the asterisk malloc
> > debug, and how can I figure what's causing it? The asterisk version is
> > 1.6.2.9.
> 
> If it's not listed in the internal debug, then it's probably a memory leak in
> one or more of the external libraries linked into Asterisk.  That could be
> anything from openssl to libxml2 (neither likely) to something specifically
> related to a second or third party module that you've loaded.

If so, it should appear in the memory map of the process under that
library.

Try:

  pmap 22514

Also try running that command a bit later on and see what has changed.

-- 
               Tzafrir Cohen
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