<div dir="ltr">That depends on the version of linux, the kernel version and several other factors.<div><br></div><div style>Were you actually moving media when testing, what tool are you testing with?</div><div style><br></div>
<div style>On 32 bit you should make sure you have the stack size at 240 (ulimit -s 240 before starting)</div><div style>Also you may need to add the -lp or -np startup flags to reduce the realtime threads.</div><div style>
<br></div><div style>asterisk also uses blocking reads in its rtp stack where we have timers. You can disable the timers as documented in the wiki..</div><div style><br></div><div style><br></div></div><div class="gmail_extra">
<br><br><div class="gmail_quote">On Tue, Feb 5, 2013 at 6:37 AM, Varghese <span dir="ltr"><<a href="mailto:p.varghese@cem-solutions.net" target="_blank">p.varghese@cem-solutions.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Hi all,<br>
We are facing following observations/issues with freeswitch on freescale<br>
processor boards.<br>
We ported freeswitch with freescale provided tool chain.<br>
_*Freeswitch Configuration: version 1.2.6 (git version)*_<br>
1. Only enabled mod_sofia, mod_dialplan, mod_command,mod_dptool and<br>
mod_console.<br>
2. set the ulimit options and followed the steps in the following link<br>
<a href="http://wiki.freeswitch.org/wiki/Performance_testing_and_configurations" target="_blank">http://wiki.freeswitch.org/wiki/Performance_testing_and_configurations</a><br>
3. SIP test tool run the load test for 500 users in freeswitch and<br>
configured the dial plan to just bridge the channels<br>
4. Freeswitch media processing is in default mode: i.e media will go<br>
through freeswitch<br>
_*Freescale Board Configuration:*_<br>
CPU : 1GHZ PowerQUICC III, 32 bit<br>
RAM: 1 GB<br>
Linux- 2.6.32<br>
Load test is conducted for SIP to SIP calls with RTP.<br>
_*Observations:*_<br>
Linux TOP command shows increasing CPU usage per call and increases to<br>
100% with only 90 calls. After that system response is very slow<br>
We could also found delay in media.<br>
<br>
_Surprisingly, with Asterisk 1.8 the same system configuration works 250<br>
calls without any problems.<br>
_<br>
_*Questions:<br>
*_1. Any one ported Freeswitch on Freescale or any embedded processors?<br>
Any performance figures or references will be appreciated<br>
2. How many simultaneous calls can be possible with 1GHz PowerQUICC III<br>
processor ?<br>
3. Any more settings are required in freeswitch or linux for scalability?<br>
<br>
Thanks And Regards<br>
<br>
Varghese Paul<br>
<br>
<br>
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