[Freeswitch-users] Latest master and latest v1.4 consume more CPU for conferences

Oleg Stolyar olegstolyar at gmail.com
Thu Jul 31 03:12:09 MSD 2014


Hi Anthony, thank you for responding!

I apologize for the previous email - I retracted it too soon - the CPU
simply jumped down for a bit then went back up.

Here are the full versions for both the master where it happened and v1.4.
 Is this enough?

FreeSWITCH Version 1.5.14b+git~20140729T132247Z~af64da86f2~64bit (git
af64da8 2014-07-29 13:22:47Z 64bit)
FreeSWITCH Version 1.4.7+git~20140724T230506Z~9d1c0f7f3d~64bit (git 9d1c0f7
2014-07-24 23:05:06Z 64bit)

It does not occur on this master:
FreeSWITCH Version 1.5.13b+git~20140522T175648Z~9d99c34682~64bit (git
9d99c34 2014-05-22 17:56:48Z 64bit)

I figured I would try this email before bisecting git but it will likely be
my next step.

On the subject of the 12000 rate related bug - I'd love to discuss this
more with you - perhaps I'll try to get a little bit of your time at
ClueCon to just show you the problem.  It actually happens on every
platform I tested it on except Debian 7.  Just in the last couple of days I
reproduced it on Ubuntu 12.04 and Ubuntu 14.04.  I only mentioned it in
this thread in case the 12000 sample rate conference on 8000 codecs is
relevant to the CPU increase.



On Wed, Jul 30, 2014 at 3:46 PM, Anthony Minessale <
anthony.minessale at gmail.com> wrote:

> I'm not really sure how to pinpoint .8% cpu increase.  You would maybe
> have to git bisect?  I believe you already said this in another email then
> retracted it.  So with all the back and forth it starts to sound like you
> have misinformation.
>
> You can't use vague references like "latest" which changes every 10 min.
> You need to try the most current master (TODAY then recite the hash) with
> a clean build and have a valid backtrace.
> The things you are saying are inconsistent so I think you need to rule out
> build skew from jumping around so many versions.
> Your 12000 thing also makes no sense at all and does not occur for anyone
> else which suggests you have environmental problem related to the way your
> system is setup.
>
>
>
>
> On Wed, Jul 30, 2014 at 5:31 PM, Oleg Stolyar <olegstolyar at gmail.com>
> wrote:
>
>> Hi guys,
>>
>> I have my FreeSWITCH running a bunch of conferences with two or three
>> users using PCMU/8000 from all the user agents.  I have the conference
>> sample rate set to 12000 to get around a strange bug I reported a couple of
>> months ago.
>>
>> In my old installation with master from May 22 2014, the servers consumed
>> about 1.2%-1.3% CPU per two-person conference.
>>
>> In the latest master AND in the latest v1.4 it went up to about 1.6%-2.0%
>> CPU per two-person conference.  CPU usage by the FreeSWITCH process also
>> jumps up and down more.
>>
>> Additionally (not sure if it's related) the latest master crashed less
>> than 24 hours after it started taking live traffic.  I ma trying to get the
>> core dump and see if v1.4 also crashes but including the info here in case
>> it gives someone an idea of what's going on with the CPU.
>>
>> Any ideas as to what's causing the increased CPU usage would be greatly
>> appreciated.
>>
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> 
>> 
>>
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>>
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>>
>
>
> --
> Anthony Minessale II       ♬ @anthmfs  ♬ @FreeSWITCH  ♬
>
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>
> _________________________________________________________________________
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> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> 
> 
>
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>
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