[Freeswitch-users] best freeswitch timer

[Steven Ayre]

http://www.kernel.org/doc/man-pages/online/pages/man2/timerfd_create.2.html

"These system calls are available on Linux since kernel 2.6.25.  Library
support is provided by glibc since version 2.8."





On 13 February 2013 18:40, Ken Rice <krice at freeswitch.org> wrote:

> Hey Kris,
>
> Do you know the version of glibc where they added that in?
>
>
> On 2/13/13 12:16 PM, "Kristian Kielhofner" <kris at kriskinc.com> wrote:
>
> > 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 don¹t 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 that¹s 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 shouldn¹t 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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> >>>
> >>> 
> >>> 
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> >>
> >>
> >>
> >> --
> >> Sincerely
> >>
> >> Jay
> >>
> >>
> _________________________________________________________________________
> >> Professional FreeSWITCH Consulting Services:
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> >> 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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> >> http://wiki.freeswitch.org
> >> http://www.cluecon.com
> >>
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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:
> >> consulting at freeswitch.org
> >> http://www.freeswitchsolutions.com
> >>
> >> 
> >> 
> >>
> >> Official FreeSWITCH Sites
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> >> http://wiki.freeswitch.org
> >> http://www.cluecon.com
> >>
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> >>
> >
> >
>
> --
> Ken
> http://www.FreeSWITCH.org
> http://www.ClueCon.com
> http://www.OSTAG.org
> irc.freenode.net #freeswitch
>
>
>
> _________________________________________________________________________
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> http://www.freeswitchsolutions.com
>
> 
> 
>
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