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

Thu Jul 31 17:21:12 MSD 2014

What kind of system are you running on where 0.2 to 0.3% CPU increase would
really matter?

On Wed, Jul 30, 2014 at 9:39 PM, Oleg Stolyar <olegstolyar at gmail.com> wrote:

> Of course, and it did when I first made the rate change.  It went from 1%
> CPU to the 1.2%-1.3% in the master from May.  The problem I am running into
> now is that there is another jump in CPU with no additional config change.
>
> If nothing comes to mind, I will patch the May master with the fix for
> WebRTC password size to fix my immediate issue and then try to find the
> time to bisect git and pinpoint what happened.
>
>
> On Wed, Jul 30, 2014 at 7:26 PM, Anthony Minessale <
> anthony.minessale at gmail.com> wrote:
>
>> It is very likely to add to the cpu to transcode everything to 12000hz
>>
>>
>>
>> On Wed, Jul 30, 2014 at 6:12 PM, Oleg Stolyar <olegstolyar at gmail.com>
>> wrote:
>>
>>> 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
>>>>>
>>>>> 
>>>>> 
>>>>>
>>>>> Official FreeSWITCH Sites
>>>>> http://www.freeswitch.org
>>>>> http://wiki.freeswitch.org
>>>>> http://www.cluecon.com
>>>>>
>>>>> FreeSWITCH-users mailing list
>>>>> FreeSWITCH-users at lists.freeswitch.org
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>>>>> UNSUBSCRIBE:
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>>>>> http://www.freeswitch.org
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Anthony Minessale II       ♬ @anthmfs  ♬ @FreeSWITCH  ♬
>>>>
>>>> ☞ http://freeswitch.org/  ☞ http://cluecon.com/  ☞
>>>> http://twitter.com/FreeSWITCH
>>>> ☞ irc.freenode.net #freeswitch ☞ *http://freeswitch.org/g+
>>>> <http://freeswitch.org/g+>*
>>>>
>>>> ClueCon Weekly Development Call
>>>> ☎ sip:888 at conference.freeswitch.org  ☎ +19193869900
>>>>
>>>>
>>>>
>>>> _________________________________________________________________________
>>>> Professional FreeSWITCH Consulting Services:
>>>> consulting at freeswitch.org
>>>> http://www.freeswitchsolutions.com
>>>>
>>>> 
>>>> 
>>>>
>>>> Official FreeSWITCH Sites
>>>> http://www.freeswitch.org
>>>> http://wiki.freeswitch.org
>>>> http://www.cluecon.com
>>>>
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>>>>
>>>
>>> _________________________________________________________________________
>>> Professional FreeSWITCH Consulting Services:
>>> consulting at freeswitch.org
>>> http://www.freeswitchsolutions.com
>>>
>>> 
>>> 
>>>
>>> Official FreeSWITCH Sites
>>> http://www.freeswitch.org
>>> http://wiki.freeswitch.org
>>> http://www.cluecon.com
>>>
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>>>
>>>
>>
>>
>> --
>> Anthony Minessale II       ♬ @anthmfs  ♬ @FreeSWITCH  ♬
>>
>> ☞ http://freeswitch.org/  ☞ http://cluecon.com/  ☞
>> http://twitter.com/FreeSWITCH
>> ☞ irc.freenode.net #freeswitch ☞ *http://freeswitch.org/g+
>> <http://freeswitch.org/g+>*
>>
>> ClueCon Weekly Development Call
>> ☎ sip:888 at conference.freeswitch.org  ☎ +19193869900
>>
>>
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> 
>> 
>>
>> Official FreeSWITCH Sites
>> http://www.freeswitch.org
>> http://wiki.freeswitch.org
>> http://www.cluecon.com
>>
>> FreeSWITCH-users mailing list
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>>
>>
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> 
> 
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://wiki.freeswitch.org
> http://www.cluecon.com
>
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>
>

-- 

*Brian West*
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*Twitter: @FreeSWITCH , @briankwest*
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