[SR-Users] 100% CPU usage after NTP date update

[Daniel-Constantin Mierla]

Hello,

can you do 'top' and see what is the pid of the process using a lot of
cpu, then get the backtrace with gdb?

gdb /path/to/kamailio PID
bt full

It will help to see what kamailio is trying to do.

Cheers,
Daniel

On 22/10/15 10:45, Stefan Kohlhauser wrote:
> Hello everyone!
>
> Setup:
> I am currently using a Kamailio 4.2.3 on an embedded device (low CPU and RAM). The device is not able to store the current date, so after a reboot its 1. Jan 1970 until NTP updates the date.
>
> Problem:
> If the date is updated after the Kamailio has started (a leap of 45 years) the Kamailio uses up all the CPU and renders the device useless for a very long time.
>
> Notes:
> There are no incomming requests at the time. (But the Kamailio is not responsive during that time anyway.)
> Adjusting the internal Kamailio-time seems to take longer when the date update leap is bigger.
>
> My questions:
> 1) Can I prevent the Kamailio from using up the entire CPU after a date update? Or maybe do the internal ticks-update more gracefully?
> 2) For my better understanding: What happens within the Kamailio after adjust_ticks has updated the internal date?
>
> Thanks in advance for your help!
>
> Best regards,
> Stefan
>
> _______________________________________________
> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
> sr-users at lists.sip-router.org
> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users

-- 
Daniel-Constantin Mierla
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Book: SIP Routing With Kamailio - http://www.asipto.com