[Freeswitch-users] SIP performance tweaking
Patrick Grondin
pgrondin at ip5.com
Wed Jul 16 07:13:41 PDT 2008
Just a follow up on the new results I got while testing.
I had to do a couple of tests to figure if my problem was related to my code or the problem anthm figured out.
After a couple of tests, I can say that my problem was mostly related to the way my dialplan was made. The extensions I had added to my dialplan where at the very end of the default dialplan, so for every call I made to these extensions, it had to go through the whole default dialplan which slowed down things.
After putting my test extensions at the top of the file, I can gracefully achieve 30 CPS and I can see that I'm CPU bound to get more performance.
From: freeswitch-users-bounces at lists.freeswitch.org [mailto:freeswitch-users-bounces at lists.freeswitch.org] On Behalf Of Anthony Minessale
Sent: July-09-08 4:15 PM
To: freeswitch-users at lists.freeswitch.org
Subject: Re: [Freeswitch-users] SIP performance tweaking
can you join irc and let us in the box to examine it.
all of this email back and forth is not going to work.
There is an applet on our homepage to join
or use any irc client to get to irc.freenode.net<http://irc.freenode.net> #freeswitch
if you don't have irc use one of my im addrs in my sig to contact me.
On Wed, Jul 9, 2008 at 3:02 PM, Patrick Grondin <pgrondin at ip5.com<mailto:pgrondin at ip5.com>> wrote:
# ulimit -a
core file size (blocks, -c) unlimited
data seg size (kbytes, -d) unlimited
scheduling priority (-e) 0
file size (blocks, -f) unlimited
pending signals (-i) unlimited
max locked memory (kbytes, -l) unlimited
max memory size (kbytes, -m) unlimited
open files (-n) 999999
pipe size (512 bytes, -p) 8
POSIX message queues (bytes, -q) unlimited
real-time priority (-r) 0
stack size (kbytes, -s) 244
cpu time (seconds, -t) unlimited
max user processes (-u) unlimited
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited
#cat /proc/cpuinfo
processor : 0
vendor_id : AuthenticAMD
cpu family : 15
model : 65
model name : Dual-Core AMD Opteron(tm) Processor 8216
stepping : 2
cpu MHz : 2411.121
cache size : 1024 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 2
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt rdtscp lm 3dnowext 3dnow pni cx16 lahf_lm cmp_legacy svm extapic cr8_legacy
bogomips : 4823.60
TLB size : 1024 4K pages
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management: ts fid vid ttp tm stc
processor : 1
vendor_id : AuthenticAMD
cpu family : 15
model : 65
model name : Dual-Core AMD Opteron(tm) Processor 8216
stepping : 2
cpu MHz : 2411.121
cache size : 1024 KB
physical id : 0
siblings : 2
core id : 1
cpu cores : 2
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt rdtscp lm 3dnowext 3dnow pni cx16 lahf_lm cmp_legacy svm extapic cr8_legacy
bogomips : 4821.58
TLB size : 1024 4K pages
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management: ts fid vid ttp tm stc
From: freeswitch-users-bounces at lists.freeswitch.org<mailto:freeswitch-users-bounces at lists.freeswitch.org> [mailto:freeswitch-users-bounces at lists.freeswitch.org<mailto:freeswitch-users-bounces at lists.freeswitch.org>] On Behalf Of Brian West
Sent: July-09-08 3:57 PM
To: freeswitch-users at lists.freeswitch.org<mailto:freeswitch-users at lists.freeswitch.org>
Subject: Re: [Freeswitch-users] SIP performance tweaking
Can you cat /proc/cpuinfo and uname -a ?
/b
On Jul 9, 2008, at 2:49 PM, Patrick Grondin wrote:
Hi,
I've tried the tweaks (the ulimit changes and the disabling of sip presence) you suggested and it did improve a little, going from 8 CPS to 9.7 CPS.
My callflow is real simple. I'm calling an extension that plays a wav file and I hang up the call, 10 seconds after the start of the call, before the end of the playback.
You can see from the wireshark callflow below, that at a call rate of 15 CPS, after 20 seconds, it takes 17 seconds for a call to go from 100 Trying to 200 OK.
Do you have any other ideas of what could be holding down my freeswitch ?
Brian West
sip:brian at freeswitch.org
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--
Anthony Minessale II
FreeSWITCH http://www.freeswitch.org/
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AIM: anthm
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