Thursday, October 4, 2007

Re: [asterisk-users] How to get asterisk to take a dump?

On Wed, Oct 03, 2007 at 10:48:37AM -0700, Steve Edwards wrote:
> I have an asterisk process that is consuming over 100mb (according to
> "top"). "Show channels" says "167 active channels and 53 active calls."

So you have 167 channels. There's a thread for each, with stack and all.

>
> It's an old install -- 1.2.7.1, but it has custom code that needs to be
> updated before moving to a more recent release.
>
> I'm assuming that 100mb is indicative of a memory leak (probably in my
> code).

I'm not sure. It doesn't even mean the kernel has allocated those
100MB to Asterisk. Recall that a memory block is only allocated on
first use. And Asterisk tends to allocate lots of memory. Not all of it
is actually used.

>
> How can I get a dump (preferably without disrupting production) so I can
> poke around in it (using gdb) and what's a good strategy for finding
> memory leaks?

The best way is to rebuild Asterisk with memory allocation debugging.

--
Tzafrir Cohen
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+972-50-7952406 mailto:tzafrir.cohen@xorcom.com

http://www.xorcom.com

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