[Freeswitch-users] CPU sys load issue

[Juan Pablo Godoy Macari]

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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