that's right, loading mod_timerfd, and setting in the SIP profile <param name="rtp-timer-name" value="timerfd"/> has eliminated the problem, and now all outbound RTP has jitter below 1ms. On Thu, Sep 21, 2017 at 6:06 PM, Stanislav Sinyagin <ssinyagin@gmail.com> wrote:
it is two identical boxes, set up identically by myself :)
I added mod_fdtimer, and set fdtimer as Sofia RTP timer, and the results are impressively better. I'll do some additional tests before a final commit.
On Thu, Sep 21, 2017 at 5:28 PM, Brandon Armstead <brandon@cryy.com> wrote:
Your positive GSO / TSO / all are the same? Same Kernel? Same hardware? replica? What happens if you docker your test on 1 same physical host?
On Thu, Sep 21, 2017 at 8:25 AM, Stanislav Sinyagin <ssinyagin@gmail.com> wrote:
but the other box is doing the same TX job, and it's doing fine. I'm trying different timers now.
On Thu, Sep 21, 2017 at 5:02 PM, Brandon Armstead <brandon@cryy.com> wrote:
Any leads maybe under ethtool -S [interface] , possible some kind of checksum / network "interference" , possibly the tx side is doing more work?
https://www.kernel.org/doc/Documentation/networking/checksum-offloads.txt
On Thu, Sep 21, 2017 at 7:49 AM, Stanislav Sinyagin <ssinyagin@gmail.com> wrote:
I actually mentioned it in the thread. Yes, after switching the roles of the boxes, the problem switches too. It's only the call origination box that is producing the jitter on outbound RTP. I also verified it with packet capture on both sides. The RTP leaves the box with jitter already.
I'm still analyzing it, trying to find the reason for the jitter.
On Thu, Sep 21, 2017 at 4:08 PM, Mundkowsky, Robert <rmundkowsky@ets.org> wrote:
Just curious, have you tried switching the boxes and seeing if you get same situation?
Robert
-----Original Message----- From: FreeSWITCH-users [mailto:freeswitch-users-bounces@lists.freeswitch.org] On Behalf Of Stanislav Sinyagin Sent: Thursday, September 21, 2017 8:31 AM To: FreeSWITCH Users Help <freeswitch-users@lists.freeswitch.org> Subject: Re: [Freeswitch-users] Session recording performance
but the interesting thing is, that it's the device that originates the SIP call is producing a significantly higher jitter than the one receiving the call.
The originating command looks like this here, with a SIP address as destination, and a number in local XML dialplan as transfer application: https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Ffreeswitch....
On Thu, Sep 21, 2017 at 7:46 AM, Stanislav Sinyagin <ssinyagin@gmail.com> wrote: > with jitterbuffer, it now works as expected. So, the sending party was > generating extra jitter. > > I am playing the same audio file in both directions, and then compare > the recorded audio with the original by Sevana AQuA software. This > allows me to detect packet loss in a heterogeneous environment where > the voice goes through RTP proxies and TDM. > > > > > On Thu, Sep 21, 2017 at 3:43 AM, jungle Boogie <jungleboogie0@gmail.com> wrote: >> What occurs if you send identical audio for the same duration? IOW, >> play the sound file for each call. >> >> >> _____________________________________________________________________ >> ____ Professional FreeSWITCH Consulting Services: >> consulting@freeswitch.org >> https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.f >> reeswitchsolutions.com&data=02%7C01%7Crmundkowsky%40ets.org%7Ca687846 >> ba37f40ba852608d500ed0775%7C0ba6e9b760b34fae92f37e6ddd9e9b65%7C0%7C0% >> 7C636415940392006303&sdata=nGh9In%2FvTyg37f7nJph6TXJFaz2nMMjZ0NXzIZr3 >> hWg%3D&reserved=0 >> >> Official FreeSWITCH Sites >> https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.f >> reeswitch.org&data=02%7C01%7Crmundkowsky%40ets.org%7Ca687846ba37f40ba >> 852608d500ed0775%7C0ba6e9b760b34fae92f37e6ddd9e9b65%7C0%7C0%7C6364159 >> 40392006303&sdata=wFbEKkGrG49JjArYiD7D1mo6icJFqaxinnS3%2F5xq6hs%3D&re >> served=0 >> https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fconfl >> uence.freeswitch.org&data=02%7C01%7Crmundkowsky%40ets.org%7Ca687846ba >> 37f40ba852608d500ed0775%7C0ba6e9b760b34fae92f37e6ddd9e9b65%7C0%7C0%7C >> 636415940392006303&sdata=ehMZuD9vMm325yuExibRBY6G9ysSDmvqoBQaXcHXFww% >> 3D&reserved=0 >> https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.c >> luecon.com&data=02%7C01%7Crmundkowsky%40ets.org%7Ca687846ba37f40ba852 >> 608d500ed0775%7C0ba6e9b760b34fae92f37e6ddd9e9b65%7C0%7C0%7C6364159403 >> 92006303&sdata=J2p7ztQidG%2FLf4c6prqao3hhOnrmHHl2pxlwod3LNKM%3D&reser >> ved=0 >> >> FreeSWITCH-users mailing list >> FreeSWITCH-users@lists.freeswitch.org >> https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Flists >> .freeswitch.org%2Fmailman%2Flistinfo%2Ffreeswitch-users&data=02%7C01% >> 7Crmundkowsky%40ets.org%7Ca687846ba37f40ba852608d500ed0775%7C0ba6e9b7 >> 60b34fae92f37e6ddd9e9b65%7C0%7C0%7C636415940392006303&sdata=kpqcuibvT >> vN3zMcS54w5CemHeLiKgj0OrMMTq1xiMUo%3D&reserved=0 >> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-us >> ers >> https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.f >> reeswitch.org&data=02%7C01%7Crmundkowsky%40ets.org%7Ca687846ba37f40ba >> 852608d500ed0775%7C0ba6e9b760b34fae92f37e6ddd9e9b65%7C0%7C0%7C6364159 >> 40392006303&sdata=wFbEKkGrG49JjArYiD7D1mo6icJFqaxinnS3%2F5xq6hs%3D&re >> served=0
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