[Freeswitch-users] best freeswitch timer

Wed Feb 13 21:16:58 MSK 2013

Keep in mind you also need a recent glibc that supports timerfd.

On Wed, Feb 13, 2013 at 9:55 AM, Ken Rice <krice at freeswitch.org> wrote:
> Actually it defaults to using timerfd if its enabled in your kernel....
> There should be no debate on that, I reviewed that code with tony...
>
> If you don’t have a timerfd enabled kernel it uses the old default soft
> timer... No you cant tell the difference in there currently with just a show
> timer command, however that’s likely to change...
>
> Are you running like centos6 or debian squeeze with a stock kernel? Then you
> likely have timerfd and are using it unless you changed the configs to do
> something else...
>
> Theres always a lot of debate around this, but the fact is, unless you are
> seeing crappy audio issues, you probably shouldn’t mess with the timers
>
>
>
>
> On 2/13/13 4:31 AM, "Steven Ayre" <steveayre at gmail.com> wrote:
>
> 'show timer' shows all loaded timer modules. That shows none are loaded.
>
> CORE_SOFTTIMER_MODULE is the soft timer built into the FS core... it may or
> may not use timerfd, depending on your system.
>
> You pick which timer to actually use in your configuration files... for
> example the rtp-timer-name Sofia profile param.
>
> Use the timer_test command to see which timer actually works best for you
> (ie most accurate, least jitter).
> http://wiki.freeswitch.org/wiki/Mod_commands#timer_test
>
> -Steve
>
>
>
> On 12 February 2013 22:48, jay binks <jaybinks at gmail.com> wrote:
>
> so does :
>
> freeswitch at default> show timer
> type,name,ikey
> timer,soft,CORE_SOFTTIMER_MODULE
>
> 1 total.
>
> on FreeSWITCH Version 1.2.6+git~20130104T154559Z~a4247651ca (git
> a424765 2013-01-04 15:45:59Z)
>
> indicate it will be using timerfd calls or is this the old softtimer ?
>
> On 13 February 2013 02:21, Ken Rice <krice at freeswitch.org> wrote:
>> The default one is the best one on linux with kernels starting around
>> 2.6.32... Anything after that and you are good to go...
>>
>> The other timers are left around for other platforms
>>
>> K
>>
>>
>>
>> On 2/12/13 10:04 AM, "François Delawarde" <fdelawarde at wirelessmundi.com>
>> wrote:
>>
>>> Hello,
>>
>> Could someone knowing the different FS timers clarify the
>>> difference
>> between those:
>>
>> - default core softtimer
>> - core heavy timer (does
>>> this option still exists?)
>> - posix timer
>> - timerfd
>>
>> Can any of those provide a
>>> significant performance improvement, or is it
>> just not worth switching from
>>> the default?
>>
>> In any case, which one would be the recommended/best one under
>>> Linux
>> with a relatively recent kernel
>>> (>3.0)?
>>
>> Thanks,
>> François.
>>
>>
>>
>> ________________________________________________
>>> _________________________
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>>
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>>
>> --
>> Ken
>> http://www.FreeSWITCH.org
>> http://www.ClueCon.com
>> http://www.OSTAG.org
>> irc.freenode.net <http://irc.freenode.net>  #freeswitch
>
>>
>>
>>
>> _________________________________________________________________________
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>> http://www.freeswitchsolutions.com
>>
>> 
>> 
>>
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>>
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>
>
>
> --
> Sincerely
>
> Jay
>
> _________________________________________________________________________
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> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> 
> 
>
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>
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>
>
> ________________________________
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> 
> 
>
> Official FreeSWITCH Sites
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>
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>
> --
> Ken
> http://www.FreeSWITCH.org
> http://www.ClueCon.com
> http://www.OSTAG.org
> irc.freenode.net #freeswitch
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
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> http://www.freeswitchsolutions.com
>
> 
> 
>
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-- 
Kristian Kielhofner