Hi Giacomo,

It remain "stuck" polling until Freeswitch is restarted.

Regards,

PRESENCE TECHNOLOGY
Agustí Ubalde Bellot
Chief Developer
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Barcelona 08036
aubalde@presenceco.com

Ph: +34 93 10 10 300
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2016-05-02 17:20 GMT+02:00 Giacomo Vacca <giacomo.vacca@gmail.com>:

Hi Agustì,
does the thread free CPU as soon as the number of concurrent calls goes down, or does it remain "stuck" polling?

I don't want to provide a red herring here but I had a slightly similar issue, reported in https://freeswitch.org/jira/browse/FS-8726

The call thread that was saturating the CPU was tracked back by looking at the file descriptor shown by strace, then with netstat identifying the RTP port in use and then in the logs to find the session using that port.

Hope this can provide some additional ideas,

Giacomo
On 2 May 2016 at 17:03, Agustí Ubalde <aubalde@presenceco.com> wrote:
Hi Marek,

Here are the results of the checks:

======================================================================
# top
======================================================================
top - 10:16:15 up 10 days, 46 min, 3 users, load average: 1.13, 0.66, 0.27
Tasks: 179 total, 1 running, 178 sleeping, 0 stopped, 0 zombie
Cpu0 : 0.0%us, 0.0%sy, 15.7%ni, 84.3%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu1 : 0.0%us, 0.7%sy, 9.3%ni, 90.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu2 : 0.0%us, 0.0%sy, 9.6%ni, 90.4%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu3 : 0.0%us, 1.0%sy, 6.6%ni, 92.5%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu4 : 0.0%us, 72.7%sy, 27.3%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st -----> HIGH CPU SYSTEM LOAD
Cpu5 : 0.0%us, 0.0%sy, 14.2%ni, 85.8%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu6 : 0.0%us, 1.4%sy, 8.2%ni, 90.4%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu7 : 0.0%us, 0.0%sy, 9.4%ni, 90.6%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 1921520k total, 995092k used, 926428k free, 185628k buffers
Swap: 786428k total, 0k used, 786428k free, 533952k cached
======================================================================

======================================================================
# ps -AL | grep freeswitch
======================================================================
27653 27653 ? 00:00:00 freeswitch
27653 27654 ? 00:00:00 freeswitch
27653 27656 ? 00:00:08 freeswitch
27653 27657 ? 00:00:01 freeswitch
27653 27660 ? 00:00:00 freeswitch
27653 27661 ? 00:00:01 freeswitch
27653 27662 ? 00:00:00 freeswitch
27653 27663 ? 00:00:00 freeswitch
27653 27666 ? 00:00:03 freeswitch
27653 27667 ? 00:00:00 freeswitch
27653 27668 ? 00:00:00 freeswitch
27653 27669 ? 00:00:00 freeswitch
27653 27670 ? 00:00:00 freeswitch
27653 27671 ? 00:00:00 freeswitch
27653 27672 ? 00:00:00 freeswitch
27653 27673 ? 00:00:00 freeswitch
27653 27674 ? 01:23:45 freeswitch -----> PROCESS TO CHECK
27653 27675 ? 00:00:00 freeswitch
27653 27676 ? 00:00:00 freeswitch
27653 27677 ? 00:00:00 freeswitch
27653 27678 ? 00:00:00 freeswitch
27653 27679 ? 00:00:00 freeswitch
27653 27680 ? 00:00:00 freeswitch
27653 27681 ? 00:00:00 freeswitch
27653 27682 ? 00:00:00 freeswitch
27653 27683 ? 00:00:00 freeswitch
27653 27684 ? 00:00:00 freeswitch
27653 27685 ? 00:00:00 freeswitch
27653 27686 ? 00:00:00 freeswitch
27653 27692 ? 00:00:00 freeswitch
27653 27693 ? 00:00:04 freeswitch
27653 27694 ? 00:00:00 freeswitch
27653 27695 ? 00:00:00 freeswitch
27653 27719 ? 00:00:00 freeswitch
27653 27725 ? 00:01:00 freeswitch
27653 27726 ? 00:04:52 freeswitch
27653 27738 ? 00:04:42 freeswitch
27653 27739 ? 00:00:55 freeswitch
27653 27741 ? 00:04:40 freeswitch
27653 27743 ? 00:00:52 freeswitch
27653 27744 ? 00:04:39 freeswitch
27653 27745 ? 00:00:55 freeswitch
27653 27748 ? 00:00:58 freeswitch
27653 27749 ? 00:04:28 freeswitch
27653 27751 ? 00:04:38 freeswitch
27653 27752 ? 00:00:52 freeswitch
27653 27764 ? 00:00:52 freeswitch
27653 27765 ? 00:04:32 freeswitch
27653 27767 ? 00:04:37 freeswitch
27653 27768 ? 00:00:54 freeswitch
27653 27769 ? 00:04:36 freeswitch
27653 27770 ? 00:00:52 freeswitch
27653 27773 ? 00:04:38 freeswitch
27653 27774 ? 00:00:54 freeswitch
27653 27776 ? 00:04:37 freeswitch
27653 27777 ? 00:00:49 freeswitch
27653 27780 ? 00:04:36 freeswitch
27653 27781 ? 00:00:48 freeswitch
27653 27782 ? 00:01:15 freeswitch
27653 27783 ? 00:04:05 freeswitch
27653 27785 ? 00:04:26 freeswitch
27653 27786 ? 00:00:51 freeswitch
27653 27794 ? 00:01:00 freeswitch
27653 27795 ? 00:03:58 freeswitch
27653 27797 ? 00:04:24 freeswitch
27653 27798 ? 00:00:48 freeswitch
27653 27801 ? 00:04:14 freeswitch
27653 27802 ? 00:00:43 freeswitch
27653 27804 ? 00:01:25 freeswitch
27653 27805 ? 00:03:20 freeswitch
27653 27807 ? 00:01:58 freeswitch
27653 27809 ? 00:04:10 freeswitch
27653 27810 ? 00:00:44 freeswitch
27653 27813 ? 00:04:12 freeswitch
27653 27814 ? 00:00:44 freeswitch
27653 27823 ? 00:04:02 freeswitch
27653 27824 ? 00:00:36 freeswitch
27653 27838 ? 00:00:56 freeswitch
27653 27839 ? 00:02:58 freeswitch
27653 27870 ? 00:02:55 freeswitch
27653 27871 ? 00:00:32 freeswitch
27653 27893 ? 00:02:37 freeswitch
27653 27894 ? 00:00:06 freeswitch
27653 27927 ? 00:02:24 freeswitch
27653 27929 ? 00:00:26 freeswitch
27653 27948 ? 00:02:23 freeswitch
27653 27949 ? 00:00:26 freeswitch
27653 27955 ? 00:02:18 freeswitch
27653 27956 ? 00:00:25 freeswitch
27653 27957 ? 00:02:19 freeswitch
27653 27958 ? 00:00:26 freeswitch
27653 27963 ? 00:00:30 freeswitch
27653 27964 ? 00:01:59 freeswitch
27653 27968 ? 00:02:09 freeswitch
27653 27969 ? 00:00:25 freeswitch
27653 27970 ? 00:02:08 freeswitch
27653 27971 ? 00:00:24 freeswitch
27653 27983 ? 00:00:27 freeswitch
27653 27984 ? 00:01:48 freeswitch
27653 27989 ? 00:01:32 freeswitch
27653 27990 ? 00:00:06 freeswitch
27653 27995 ? 00:01:31 freeswitch
27653 27996 ? 00:00:17 freeswitch
27653 27997 ? 00:01:42 freeswitch
27653 27999 ? 00:00:19 freeswitch
27653 28001 ? 00:01:38 freeswitch
27653 28002 ? 00:00:13 freeswitch
27653 28006 ? 00:00:26 freeswitch
27653 28007 ? 00:00:45 freeswitch
27653 28010 ? 00:01:32 freeswitch
27653 28011 ? 00:00:16 freeswitch
27653 28022 ? 00:00:14 freeswitch
27653 28047 ? 00:01:00 freeswitch
27653 28048 ? 00:00:10 freeswitch
======================================================================

======================================================================
# strace -c -p 27674
======================================================================
Process 27674 attached - interrupt to quit
^CProcess 27674 detached
% time seconds usecs/call calls errors syscall
------ ----------- ----------- --------- --------- ----------------
94.08 18.452455 0 63874778 epoll_wait
5.90 1.156911 414 2797 nanosleep
0.01 0.001940 1 3041 140 read
0.01 0.001000 25 40 6 futex
0.00 0.000655 0 1408 21 write
0.00 0.000449 0 1389 sendto
0.00 0.000356 0 1348 recvfrom
0.00 0.000031 2 15 recvmsg
0.00 0.000031 1 33 9 shutdown
0.00 0.000029 1 38 mprotect
0.00 0.000025 3 10 socket
0.00 0.000023 2 10 bind
0.00 0.000000 0 38 close
0.00 0.000000 0 2 madvise
0.00 0.000000 0 5 5 connect
0.00 0.000000 0 30 accept
0.00 0.000000 0 10 getsockname
0.00 0.000000 0 140 setsockopt
0.00 0.000000 0 9 getsockopt
0.00 0.000000 0 208 fcntl
0.00 0.000000 0 68 epoll_ctl
------ ----------- ----------- --------- --------- ----------------
100.00 19.613905 63885417 181 total
======================================================================

Regards,
PRESENCE TECHNOLOGY
Agustí Ubalde Bellot
Chief Developer
C/ Comte Urgell 240 3A
Barcelona 08036
aubalde@presenceco.com
Ph: +34 93 10 10 300
Fx: +34 93 10 10 333
www.presenceco.com
Follow us on:
For additional information, please visit our website www.presenceco.com
2016-05-02 13:38 GMT+02:00 Marek Červenka <cervajs@fpf.slu.cz>:
Dne 28.4.2016 v 20:15 Michael Jerris napsal(a):

Strongly advise to be using latest release in 1.6, particularly for anything webrtc related.
Strongly advice to use Debian 8, there were significant known performance problems on CentOS 6

can you send us link with description of centos6 performance problems?
thanks

On Apr 28, 2016, at 6:41 AM, Agustí Ubalde <aubalde@presenceco.com> wrote:

Which OS, FS revision, platform, hardware, ram, cpu, etc are you using?

CentOS 6.5 64b virutalized (ESXi)

Freeswitch 1.4.26

8vCPU - 4GB RAM

Which traffic are you handling?

60-70 active calls (WebRTC extensions)

What are exactly the simptoms?

top command shows high system cpu load constantly (CPU 3)

How you get them? Is that reproducible?

Always whit the same load (60-70 calls)

-- --------------------------------------- Marek Cervenka =======================================
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