<a href="http://www.kernel.org/doc/man-pages/online/pages/man2/timerfd_create.2.html">http://www.kernel.org/doc/man-pages/online/pages/man2/timerfd_create.2.html</a><div><br></div><div><div>"These system calls are available on Linux since kernel 2.6.25. Library</div>
<div>support is provided by glibc since version 2.8."</div><div><br></div><div><br></div><div><br></div><div><br></div><br><div class="gmail_quote">On 13 February 2013 18:40, Ken Rice <span dir="ltr"><<a href="mailto:krice@freeswitch.org" target="_blank">krice@freeswitch.org</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hey Kris,<br>
<br>
Do you know the version of glibc where they added that in?<br>
<div class="HOEnZb"><div class="h5"><br>
<br>
On 2/13/13 12:16 PM, "Kristian Kielhofner" <<a href="mailto:kris@kriskinc.com">kris@kriskinc.com</a>> wrote:<br>
<br>
> Keep in mind you also need a recent glibc that supports timerfd.<br>
><br>
> On Wed, Feb 13, 2013 at 9:55 AM, Ken Rice <<a href="mailto:krice@freeswitch.org">krice@freeswitch.org</a>> wrote:<br>
>> Actually it defaults to using timerfd if its enabled in your kernel....<br>
>> There should be no debate on that, I reviewed that code with tony...<br>
>><br>
>> If you donıt have a timerfd enabled kernel it uses the old default soft<br>
>> timer... No you cant tell the difference in there currently with just a show<br>
>> timer command, however thatıs likely to change...<br>
>><br>
>> Are you running like centos6 or debian squeeze with a stock kernel? Then you<br>
>> likely have timerfd and are using it unless you changed the configs to do<br>
>> something else...<br>
>><br>
>> Theres always a lot of debate around this, but the fact is, unless you are<br>
>> seeing crappy audio issues, you probably shouldnıt mess with the timers<br>
>><br>
>><br>
>><br>
>><br>
>> On 2/13/13 4:31 AM, "Steven Ayre" <<a href="mailto:steveayre@gmail.com">steveayre@gmail.com</a>> wrote:<br>
>><br>
>> 'show timer' shows all loaded timer modules. That shows none are loaded.<br>
>><br>
>> CORE_SOFTTIMER_MODULE is the soft timer built into the FS core... it may or<br>
>> may not use timerfd, depending on your system.<br>
>><br>
>> You pick which timer to actually use in your configuration files... for<br>
>> example the rtp-timer-name Sofia profile param.<br>
>><br>
>> Use the timer_test command to see which timer actually works best for you<br>
>> (ie most accurate, least jitter).<br>
>> <a href="http://wiki.freeswitch.org/wiki/Mod_commands#timer_test" target="_blank">http://wiki.freeswitch.org/wiki/Mod_commands#timer_test</a><br>
>><br>
>> -Steve<br>
>><br>
>><br>
>><br>
>> On 12 February 2013 22:48, jay binks <<a href="mailto:jaybinks@gmail.com">jaybinks@gmail.com</a>> wrote:<br>
>><br>
>> so does :<br>
>><br>
>> freeswitch@default> show timer<br>
>> type,name,ikey<br>
>> timer,soft,CORE_SOFTTIMER_MODULE<br>
>><br>
>> 1 total.<br>
>><br>
>> on FreeSWITCH Version 1.2.6+git~20130104T154559Z~a4247651ca (git<br>
>> a424765 2013-01-04 15:45:59Z)<br>
>><br>
>> indicate it will be using timerfd calls or is this the old softtimer ?<br>
>><br>
>> On 13 February 2013 02:21, Ken Rice <<a href="mailto:krice@freeswitch.org">krice@freeswitch.org</a>> wrote:<br>
>>> The default one is the best one on linux with kernels starting around<br>
>>> 2.6.32... Anything after that and you are good to go...<br>
>>><br>
>>> The other timers are left around for other platforms<br>
>>><br>
>>> K<br>
>>><br>
>>><br>
>>><br>
>>> On 2/12/13 10:04 AM, "François Delawarde" <<a href="mailto:fdelawarde@wirelessmundi.com">fdelawarde@wirelessmundi.com</a>><br>
>>> wrote:<br>
>>><br>
>>>> Hello,<br>
>>><br>
>>> Could someone knowing the different FS timers clarify the<br>
>>>> difference<br>
>>> between those:<br>
>>><br>
>>> - default core softtimer<br>
>>> - core heavy timer (does<br>
>>>> this option still exists?)<br>
>>> - posix timer<br>
>>> - timerfd<br>
>>><br>
>>> Can any of those provide a<br>
>>>> significant performance improvement, or is it<br>
>>> just not worth switching from<br>
>>>> the default?<br>
>>><br>
>>> In any case, which one would be the recommended/best one under<br>
>>>> Linux<br>
>>> with a relatively recent kernel<br>
>>>> (>3.0)?<br>
>>><br>
>>> Thanks,<br>
>>> François.<br>
>>><br>
>>><br>
>>><br>
>>> ________________________________________________<br>
>>>> _________________________<br>
>>> Professional FreeSWITCH Consulting<br>
>>>> Services:<br>
>>> <a href="mailto:consulting@freeswitch.org">consulting@freeswitch.org</a><br>
>>> <a href="http://www.freeswitchsolutions.com" target="_blank">http://www.freeswitchsolutions.com</a><br>
>>><br>
>>> FreeSW<br>
>>>> ITCH-powered IP PBX: The CudaTel Communication<br>
>>>> Server<br>
>>> <a href="http://www.cudatel.com" target="_blank">http://www.cudatel.com</a><br>
>>><br>
>>> Official FreeSWITCH<br>
>>>> Sites<br>
>>> <a href="http://www.freeswitch.org" target="_blank">http://www.freeswitch.org</a><br>
>>> <a href="http://wiki.freeswitch.org" target="_blank">http://wiki.freeswitch.org</a><br>
>>> <a href="http://www.cluecon" target="_blank">http://www.cluecon</a>.<br>
>>>> com<br>
>>><br>
>>> FreeSWITCH-users mailing<br>
>>>> list<br>
>>> <a href="mailto:FreeSWITCH-users@lists.freeswitch.org">FreeSWITCH-users@lists.freeswitch.org</a><br>
>>> <a href="http://lists.freeswitch.org/mailman" target="_blank">http://lists.freeswitch.org/mailman</a><br>
>>>> /listinfo/freeswitch-users<br>
>>> UNSUBSCRIBE:<a href="http://lists.freeswitch.org/mailman/opt" target="_blank">http://lists.freeswitch.org/mailman/opt</a><br>
>>>> ions/freeswitch-users<br>
>>> <a href="http://www.freeswitch.org" target="_blank">http://www.freeswitch.org</a><br>
>>><br>
>>><br>
>>> --<br>
>>> Ken<br>
>>> <a href="http://www.FreeSWITCH.org" target="_blank">http://www.FreeSWITCH.org</a><br>
>>> <a href="http://www.ClueCon.com" target="_blank">http://www.ClueCon.com</a><br>
>>> <a href="http://www.OSTAG.org" target="_blank">http://www.OSTAG.org</a><br>
>>> <a href="http://irc.freenode.net" target="_blank">irc.freenode.net</a> <<a href="http://irc.freenode.net" target="_blank">http://irc.freenode.net</a>> #freeswitch<br>
>><br>
>>><br>
>>><br>
>>><br>
>>> _________________________________________________________________________<br>
>>> Professional FreeSWITCH Consulting Services:<br>
>>> <a href="mailto:consulting@freeswitch.org">consulting@freeswitch.org</a><br>
>>> <a href="http://www.freeswitchsolutions.com" target="_blank">http://www.freeswitchsolutions.com</a><br>
>>><br>
>>> FreeSWITCH-powered IP PBX: The CudaTel Communication Server<br>
>>> <a href="http://www.cudatel.com" target="_blank">http://www.cudatel.com</a><br>
>>><br>
>>> Official FreeSWITCH Sites<br>
>>> <a href="http://www.freeswitch.org" target="_blank">http://www.freeswitch.org</a><br>
>>> <a href="http://wiki.freeswitch.org" target="_blank">http://wiki.freeswitch.org</a><br>
>>> <a href="http://www.cluecon.com" target="_blank">http://www.cluecon.com</a><br>
>>><br>
>>> FreeSWITCH-users mailing list<br>
>>> <a href="mailto:FreeSWITCH-users@lists.freeswitch.org">FreeSWITCH-users@lists.freeswitch.org</a><br>
>>> <a href="http://lists.freeswitch.org/mailman/listinfo/freeswitch-users" target="_blank">http://lists.freeswitch.org/mailman/listinfo/freeswitch-users</a><br>
>>> UNSUBSCRIBE:<a href="http://lists.freeswitch.org/mailman/options/freeswitch-users" target="_blank">http://lists.freeswitch.org/mailman/options/freeswitch-users</a><br>
>>> <a href="http://www.freeswitch.org" target="_blank">http://www.freeswitch.org</a><br>
>><br>
>><br>
>><br>
>> --<br>
>> Sincerely<br>
>><br>
>> Jay<br>
>><br>
>> _________________________________________________________________________<br>
>> Professional FreeSWITCH Consulting Services:<br>
>> <a href="mailto:consulting@freeswitch.org">consulting@freeswitch.org</a><br>
>> <a href="http://www.freeswitchsolutions.com" target="_blank">http://www.freeswitchsolutions.com</a><br>
>><br>
>> FreeSWITCH-powered IP PBX: The CudaTel Communication Server<br>
>> <a href="http://www.cudatel.com" target="_blank">http://www.cudatel.com</a><br>
>><br>
>> Official FreeSWITCH Sites<br>
>> <a href="http://www.freeswitch.org" target="_blank">http://www.freeswitch.org</a><br>
>> <a href="http://wiki.freeswitch.org" target="_blank">http://wiki.freeswitch.org</a><br>
>> <a href="http://www.cluecon.com" target="_blank">http://www.cluecon.com</a><br>
>><br>
>> FreeSWITCH-users mailing list<br>
>> <a href="mailto:FreeSWITCH-users@lists.freeswitch.org">FreeSWITCH-users@lists.freeswitch.org</a><br>
>> <a href="http://lists.freeswitch.org/mailman/listinfo/freeswitch-users" target="_blank">http://lists.freeswitch.org/mailman/listinfo/freeswitch-users</a><br>
>> UNSUBSCRIBE:<a href="http://lists.freeswitch.org/mailman/options/freeswitch-users" target="_blank">http://lists.freeswitch.org/mailman/options/freeswitch-users</a><br>
>> <a href="http://www.freeswitch.org" target="_blank">http://www.freeswitch.org</a><br>
>><br>
>><br>
>><br>
>> ________________________________<br>
>> _________________________________________________________________________<br>
>> Professional FreeSWITCH Consulting Services:<br>
>> <a href="mailto:consulting@freeswitch.org">consulting@freeswitch.org</a><br>
>> <a href="http://www.freeswitchsolutions.com" target="_blank">http://www.freeswitchsolutions.com</a><br>
>><br>
>> FreeSWITCH-powered IP PBX: The CudaTel Communication Server<br>
>> <a href="http://www.cudatel.com" target="_blank">http://www.cudatel.com</a><br>
>><br>
>> Official FreeSWITCH Sites<br>
>> <a href="http://www.freeswitch.org" target="_blank">http://www.freeswitch.org</a><br>
>> <a href="http://wiki.freeswitch.org" target="_blank">http://wiki.freeswitch.org</a><br>
>> <a href="http://www.cluecon.com" target="_blank">http://www.cluecon.com</a><br>
>><br>
>> FreeSWITCH-users mailing list<br>
>> <a href="mailto:FreeSWITCH-users@lists.freeswitch.org">FreeSWITCH-users@lists.freeswitch.org</a><br>
>> <a href="http://lists.freeswitch.org/mailman/listinfo/freeswitch-users" target="_blank">http://lists.freeswitch.org/mailman/listinfo/freeswitch-users</a><br>
>> UNSUBSCRIBE:<a href="http://lists.freeswitch.org/mailman/options/freeswitch-users" target="_blank">http://lists.freeswitch.org/mailman/options/freeswitch-users</a><br>
>> <a href="http://www.freeswitch.org" target="_blank">http://www.freeswitch.org</a><br>
>><br>
>><br>
>> --<br>
>> Ken<br>
>> <a href="http://www.FreeSWITCH.org" target="_blank">http://www.FreeSWITCH.org</a><br>
>> <a href="http://www.ClueCon.com" target="_blank">http://www.ClueCon.com</a><br>
>> <a href="http://www.OSTAG.org" target="_blank">http://www.OSTAG.org</a><br>
>> <a href="http://irc.freenode.net" target="_blank">irc.freenode.net</a> #freeswitch<br>
>><br>
>> _________________________________________________________________________<br>
>> Professional FreeSWITCH Consulting Services:<br>
>> <a href="mailto:consulting@freeswitch.org">consulting@freeswitch.org</a><br>
>> <a href="http://www.freeswitchsolutions.com" target="_blank">http://www.freeswitchsolutions.com</a><br>
>><br>
>> FreeSWITCH-powered IP PBX: The CudaTel Communication Server<br>
>> <a href="http://www.cudatel.com" target="_blank">http://www.cudatel.com</a><br>
>><br>
>> Official FreeSWITCH Sites<br>
>> <a href="http://www.freeswitch.org" target="_blank">http://www.freeswitch.org</a><br>
>> <a href="http://wiki.freeswitch.org" target="_blank">http://wiki.freeswitch.org</a><br>
>> <a href="http://www.cluecon.com" target="_blank">http://www.cluecon.com</a><br>
>><br>
>> FreeSWITCH-users mailing list<br>
>> <a href="mailto:FreeSWITCH-users@lists.freeswitch.org">FreeSWITCH-users@lists.freeswitch.org</a><br>
>> <a href="http://lists.freeswitch.org/mailman/listinfo/freeswitch-users" target="_blank">http://lists.freeswitch.org/mailman/listinfo/freeswitch-users</a><br>
>> UNSUBSCRIBE:<a href="http://lists.freeswitch.org/mailman/options/freeswitch-users" target="_blank">http://lists.freeswitch.org/mailman/options/freeswitch-users</a><br>
>> <a href="http://www.freeswitch.org" target="_blank">http://www.freeswitch.org</a><br>
>><br>
><br>
><br>
<br>
--<br>
Ken<br>
<a href="http://www.FreeSWITCH.org" target="_blank">http://www.FreeSWITCH.org</a><br>
<a href="http://www.ClueCon.com" target="_blank">http://www.ClueCon.com</a><br>
<a href="http://www.OSTAG.org" target="_blank">http://www.OSTAG.org</a><br>
<a href="http://irc.freenode.net" target="_blank">irc.freenode.net</a> #freeswitch<br>
<br>
<br>
<br>
_________________________________________________________________________<br>
Professional FreeSWITCH Consulting Services:<br>
<a href="mailto:consulting@freeswitch.org">consulting@freeswitch.org</a><br>
<a href="http://www.freeswitchsolutions.com" target="_blank">http://www.freeswitchsolutions.com</a><br>
<br>
FreeSWITCH-powered IP PBX: The CudaTel Communication Server<br>
<a href="http://www.cudatel.com" target="_blank">http://www.cudatel.com</a><br>
<br>
Official FreeSWITCH Sites<br>
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</div></div></blockquote></div><br></div>