[Freeswitch-users] CPU sys load issue

Fri Feb 24 01:37:45 MSK 2017

Do you have pcaps of the traffic that may trigger this behavior?

/b

On Thu, Feb 23, 2017 at 2:58 PM, Antonio Silva <asilva at wirelessmundi.com>
wrote:

> Thanks Juan, that's it, i was missing the dev pkg.
>
>
>
> On 02/23/2017 08:34 PM, Juan Pablo Godoy Macari wrote:
>
> Antonio, you should install this:
>
> apt-get install libgoogle-perftools-dev
>
> Regards,
>
> 2017-02-23 16:26 GMT-03:00 Juan Pablo Godoy Macari <jpgodoy at redvoiss.net>:
>
>> Try this: ./configure LIBS="-ltcmalloc"
>>
>> 2017-02-23 16:19 GMT-03:00 Antonio Silva <asilva at wirelessmundi.com>:
>>
>>> Hi,
>>>
>>> Did you compile fs in debian with tcmalloc?
>>>
>>> didn't work for me... do i miss something?
>>>
>>>
>>> root at dev:/usr/src/freeswitch.git# apt-get install libtcmalloc-minimal4
>>> root at dev:/usr/src/freeswitch.git# export LIBS=-ltcmalloc
>>> root at dev:/usr/src/freeswitch.git# ./configure
>>> checking for a BSD-compatible install... /usr/bin/install -c
>>> checking whether build environment is sane... yes
>>> checking for a thread-safe mkdir -p... /bin/mkdir -p
>>> checking for gawk... no
>>> checking for mawk... mawk
>>> checking whether make sets $(MAKE)... yes
>>> checking whether make supports nested variables... yes
>>> checking whether make supports nested variables... (cached) yes
>>> checking build system type... x86_64-unknown-linux-gnu
>>> checking host system type... x86_64-unknown-linux-gnu
>>> checking for style of include used by make... GNU
>>> checking for gcc... gcc
>>> checking whether the C compiler works... no
>>> configure: error: in `/usr/src/freeswitch.git':
>>> configure: error: C compiler cannot create executables
>>>
>>>
>>>
>>>
>>>
>>> On 02/23/2017 07:56 PM, Antonio Silva wrote:
>>>
>>> Hi Juan,
>>>
>>> Thanks for the tips!!
>>>
>>> Unfortunately i cannot test with -nosql option, i need to have the
>>> sip_registration fill to be able to send options to natted endpoints. But i
>>> don't think the issue is in db, i use postgres and to get better
>>> performance from it i run it on tmpfs.
>>>
>>>
>>> I read about tcmalloc, but from jira FS-7315, i get the idea that it
>>> didn't change anything.. but i guess i can try it and post the results,
>>> from the bt i do see some calls been done to malloc, but not sure if they
>>> are locking or not.
>>>
>>> Regards,
>>>
>>>
>>> On 02/23/2017 06:52 PM, Juan Pablo Godoy Macari wrote:
>>>
>>> Hello Antonio,
>>>
>>> I had the same issue, to fix it i tried many things written in this mail
>>> list. Try running FS with -nosql option, if that doesn't work recompile FS
>>> with tcmalloc (from google's perfomance tools).
>>>
>>> That did it for me.
>>>
>>> Regards,
>>> Juan Pablo.
>>>
>>> 2017-02-23 13:26 GMT-03:00 Antonio Silva <asilva at wirelessmundi.com>:
>>>
>>>> Hi,
>>>>
>>>> i'm having an issue with FS that gets lock every morning  with cpu sys
>>>> hitting 80%, because is limited in fs with min-idle, it could reach the
>>>> 100%, so the calls are rejected by load, to solve the problem i kill fs
>>>> and start it again.
>>>>
>>>> I discard a load issue, because after restarting freeswitch the system
>>>> increases in number of sessions/cps and no problems at all until next
>>>> day.... it's given me crazy... i've enough memory, lots of cores...
>>>> after restart fs the system stays at less than 30% of cpu usage.
>>>>
>>>>
>>>> Right now i have hpet as clocksource, transcoding is minimal (use
>>>> inheric_codec, only happens because of different ptimes with some
>>>> endpoints) .
>>>>
>>>>
>>>> anyone having similar problem? or any tip i can do to debug this issue?
>>>>
>>>>
>>>> For info the Jira ticket can be located at
>>>> https://freeswitch.org/jira/browse/FS-9957,
>>>>
>>>> i've done a gcore, top, htop when the system is with high cpu sys but i
>>>> can't figure the thread that is causing the issue... initial i thought
>>>> it was because of module lua (most of my logic is done there), but today
>>>> only 2 threads where running mod_lua when it happen.
>>>>
>>>>
>>>> Appreciate the help.
>>>>
>>>>
>>>> --
>>>>
>>>> Saludos / Regards / Cumprimentos,
>>>> António silva
>>>>
>>>>
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>>
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