[Freeswitch-dev] How can I detect the cause of a potential memory leak?

Anthony Minessale anthony.minessale at gmail.com
Mon Nov 14 20:41:07 MSK 2011

valgrind is your best bet:

valgrind --tool=memcheck --log-file=vg.log --leak-check=full
--leak-resolution=high --show-reachable=yes
/usr/local/freeswitch/bin/freeswitch -vg

run this on normal traffic for a while and get the log file.

if you unload mods it would not help with a leak but it would with a
swelling pool.

On Mon, Nov 14, 2011 at 11:30 AM, François Delawarde <
fdelawarde at wirelessmundi.com> wrote:

> Hello,
> I'm experiencing what I think is a memory leak in a production system
> with a recent git (2-Nov), with FS consuming >5GB and increasing after a
> few days with never more than 10 calls at once.
> While the users are not experiencing problems so far, I'm a bit worried.
> So I have a few questions:
> - How can I be sure it's a leak and not some memory pool thing that FS
> would free when the system needs (system has 10GB total)?
> - If I unload modules one by one, is the memory used by this module
> freed immediately?
> - What would be a "good" way to try and narrow down the cause? Is
> valgrind a good tool for that?
> Of course I'll try with GIT HEAD and try my best to find the cause
> before considering to add a new Jira issue, otherwise it's quite
> useless.
> Thanks,
> François.
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Anthony Minessale II

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