[Freeswitch-users] Reg. Freeswitch Performace on Freescale Board

Mon Feb 11 04:44:03 MSK 2013

Hello,
Varghese, did you try to increase ptime?

2013/2/8 Varghese <p.varghese at cem-solutions.net>

> Hi all,
>
> Any update on this issue. Any other options we need to try with freeswitch.
>
> E1 PRI with freetdm freeswitch in freescale and cpu load is going to 100
> with 15 calls.
>
> Thanks And Regards
>
> Varghese Paul
> > Hi Anthony,
> >
> > Thanks for the information.
> >
> > Kernel is Linux-2.6.32 patched by Freescale team for the hardware.
> >
> > Further we tested the freeswitch-1.2.6 on Freescale and following are
> > observations.
> >
> > We set the ulimit options as per the wiki link and ulimit –s 240
> >
> > 1. With switches *-np* and *–lp* the result is same i.e. maximum of 90
> > calls and top command shows 100% CPU for freeswitch process
> >
> > 2. With RTP Bypass mode we could make 250 calls and CPU usage is 20%
> >
> > 3. With Proxy media mode, and default rtp mode the CPU is very high.
> > Approximately 1 to 1.5% per call and scales up to 90 calls
> >
> > 4. Set the option enable-timer value = false in SIP profile,
> > stun-enabled=false given all IP address in ext-rtp,
> > rtp-timer-name=none/soft etc., still the results are same
> >
> > Q1) Can you explain “asterisk also uses blocking reads in its rtp
> > stack where we have timers. You can disable the timers as documented
> > in the wiki” which parameter you are referring to and where we need to
> > disable timers.
> >
> > Q2) Do we need to try any other options to increase the performance
> > numbers?
> >
> > F.Y.I, We used Empirix Hammer SIP Call Generator for testing SIP calls.
> >
> > Thanks
> > Varghese Paul
> >
> > Anthony Minessale wrote:
> >> That depends on the version of linux, the kernel version and several
> >> other factors.
> >>
> >> Were you actually moving media when testing, what tool are you
> >> testing with?
> >>
> >> On 32 bit you should make sure you have the stack size at 240 (ulimit
> >> -s 240 before starting)
> >> Also you may need to add the -lp or -np startup flags to reduce the
> >> realtime threads.
> >>
> >> asterisk also uses blocking reads in its rtp stack where we have
> >> timers. You can disable the timers as documented in the wiki..
> >>
> >>
> >>
> >>
> >> On Tue, Feb 5, 2013 at 6:37 AM, Varghese
> >> <p.varghese at cem-solutions.net <mailto:p.varghese at cem-solutions.net>>
> >> wrote:
> >>
> >>     Hi all,
> >>     We are facing following observations/issues with freeswitch on
> >>     freescale
> >>     processor boards.
> >>     We ported freeswitch with freescale provided tool chain.
> >>     _*Freeswitch Configuration: version 1.2.6 (git version)*_
> >>     1. Only enabled mod_sofia, mod_dialplan, mod_command,mod_dptool and
> >>     mod_console.
> >>     2. set the ulimit options and followed the steps in the following
> >> link
> >>
> >> http://wiki.freeswitch.org/wiki/Performance_testing_and_configurations
> >>     3. SIP test tool run the load test for 500 users in freeswitch and
> >>     configured the dial plan to just bridge the channels
> >>     4. Freeswitch media processing is in default mode: i.e media will go
> >>     through freeswitch
> >>     _*Freescale Board Configuration:*_
> >>     CPU : 1GHZ PowerQUICC III, 32 bit
> >>     RAM: 1 GB
> >>     Linux- 2.6.32
> >>     Load test is conducted for SIP to SIP calls with RTP.
> >>     _*Observations:*_
> >>     Linux TOP command shows increasing CPU usage per call and
> >> increases to
> >>     100% with only 90 calls. After that system response is very slow
> >>     We could also found delay in media.
> >>
> >>     _Surprisingly, with Asterisk 1.8 the same system configuration
> >>     works 250
> >>     calls without any problems.
> >>     _
> >>     _*Questions:
> >>     *_1. Any one ported Freeswitch on Freescale or any embedded
> >>     processors?
> >>     Any performance figures or references will be appreciated
> >>     2. How many simultaneous calls can be possible with 1GHz
> >>     PowerQUICC III
> >>     processor ?
> >>     3. Any more settings are required in freeswitch or linux for
> >>     scalability?
> >>
> >>     Thanks And Regards
> >>
> >>     Varghese Paul
> >>
> >>
> >>
> >>
> _________________________________________________________________________
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> >>
> >> --
> >> Anthony Minessale II
> >>
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> >>
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> >> ------------------------------------------------------------------------
> >>
> >>
> _________________________________________________________________________
> >>
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> >>
> >> 
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>
>
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>
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