Yes, it's the original kernel. I start linux without any additional parameter. 

I have this problem in 4 of my server and no issue with only 1 server:

Problem with timer_test on:

Server.1, dual Xeon X5660 (12 core in HT = 24), CentOS 5.7, kernel 2.6.18-274.3.1.el5, FS commit 2012-03-26, cpu load of 35%
Server.2, dual Xeon X5520 (8 core in HT = 16), CentOS 5.5, kernel 2.6.18-194.17.4.el5, FS commit  2012-03-26, cpu load of 50%
Server.3, dual Xeon E5606 (8 core), CentOS 5.7, kernel 2.6.18-274.17.1.el5, FS commit  2012-02-24, cpu load of 35%
Server.4, dual Xeon  X5670 (12 core in HT = 24), CentOS 5.7, kernel 2.6.18-274.12.1.el5, FS commit  2012-02-24, cpu load of 25%

No problem on this server:

Server.5, dual Xeon  X5520 (8 core in HT = 16), CentOS 5.5, kernel  2.6.18-194.3.1.el5, FS commit  2011-10-24, cpu load of 50%

Stephen



On Tue, Mar 27, 2012 at 3:48 PM, Peter Olsson <peter.olsson@visionutveckling.se> wrote:

Is this the original CentOS kernel? Also, did you set any strange kernel parameters during startup? I think CentOS kernel out-of-the-box usually handles this just fine.

 

/Peter

 

Från: freeswitch-users-bounces@lists.freeswitch.org [mailto:freeswitch-users-bounces@lists.freeswitch.org] För Stephen Wilde
Skickat: den 27 mars 2012 15:41


Till: FreeSWITCH Users Help
Ämne: Re: [Freeswitch-users] Strange "timer_test" result

 

With "1ms-timer" the behaviour is changed but the "timer_test" remain strange:

 

2012-03-27 15:36:49.609946 [CONSOLE] mod_commands.c:559 Timer Test: 1 sleep 20 1

2012-03-27 15:36:49.630810 [CONSOLE] mod_commands.c:559 Timer Test: 2 sleep 20 21225

2012-03-27 15:36:49.671927 [CONSOLE] mod_commands.c:559 Timer Test: 3 sleep 20 40716

2012-03-27 15:36:49.671927 [CONSOLE] mod_commands.c:559 Timer Test: 4 sleep 20 29

2012-03-27 15:36:49.690968 [CONSOLE] mod_commands.c:559 Timer Test: 5 sleep 20 19451

2012-03-27 15:36:49.714993 [CONSOLE] mod_commands.c:559 Timer Test: 6 sleep 20 23380

2012-03-27 15:36:49.714993 [CONSOLE] mod_commands.c:559 Timer Test: 7 sleep 20 35

2012-03-27 15:36:49.752814 [CONSOLE] mod_commands.c:559 Timer Test: 8 sleep 20 38474

2012-03-27 15:36:49.752814 [CONSOLE] mod_commands.c:559 Timer Test: 9 sleep 20 41

2012-03-27 15:36:49.776956 [CONSOLE] mod_commands.c:559 Timer Test: 10 sleep 20 23408

2012-03-27 15:36:49.798632 [CONSOLE] mod_commands.c:559 Timer Test: 11 sleep 20 22079

2012-03-27 15:36:49.838054 [CONSOLE] mod_commands.c:559 Timer Test: 12 sleep 20 39021

2012-03-27 15:36:49.838054 [CONSOLE] mod_commands.c:559 Timer Test: 13 sleep 20 35

2012-03-27 15:36:49.857783 [CONSOLE] mod_commands.c:559 Timer Test: 14 sleep 20 19946

2012-03-27 15:36:49.887887 [CONSOLE] mod_commands.c:559 Timer Test: 15 sleep 20 29935

2012-03-27 15:36:49.906809 [CONSOLE] mod_commands.c:559 Timer Test: 16 sleep 20 18774

2012-03-27 15:36:49.946751 [CONSOLE] mod_commands.c:559 Timer Test: 17 sleep 20 40290

2012-03-27 15:36:49.946751 [CONSOLE] mod_commands.c:559 Timer Test: 18 sleep 20 32

2012-03-27 15:36:49.966757 [CONSOLE] mod_commands.c:559 Timer Test: 19 sleep 20 19813

2012-03-27 15:36:50.005781 [CONSOLE] mod_commands.c:559 Timer Test: 20 sleep 20 39099

2012-03-27 15:36:50.005781 [CONSOLE] mod_commands.c:559 Timer Test: 21 sleep 20 24

2012-03-27 15:36:50.023894 [CONSOLE] mod_commands.c:559 Timer Test: 22 sleep 20 18116

2012-03-27 15:36:50.046022 [CONSOLE] mod_commands.c:559 Timer Test: 23 sleep 20 22046

2012-03-27 15:36:50.074716 [CONSOLE] mod_commands.c:559 Timer Test: 24 sleep 20 29054

2012-03-27 15:36:50.074716 [CONSOLE] mod_commands.c:559 Timer Test: 25 sleep 20 25

2012-03-27 15:36:50.111794 [CONSOLE] mod_commands.c:559 Timer Test: 26 sleep 20 37413

2012-03-27 15:36:50.131778 [CONSOLE] mod_commands.c:559 Timer Test: 27 sleep 20 19684

2012-03-27 15:36:50.155846 [CONSOLE] mod_commands.c:559 Timer Test: 28 sleep 20 23480

2012-03-27 15:36:50.155846 [CONSOLE] mod_commands.c:559 Timer Test: 29 sleep 20 37

2012-03-27 15:36:50.179738 [CONSOLE] mod_commands.c:559 Timer Test: 30 sleep 20 23811

2012-03-27 15:36:50.196725 [CONSOLE] mod_commands.c:559 Timer Test: 31 sleep 20 18828

2012-03-27 15:36:50.220604 [CONSOLE] mod_commands.c:559 Timer Test: 32 sleep 20 22205

2012-03-27 15:36:50.250696 [CONSOLE] mod_commands.c:559 Timer Test: 33 sleep 20 30868

2012-03-27 15:36:50.275841 [CONSOLE] mod_commands.c:559 Timer Test: 34 sleep 20 24303

2012-03-27 15:36:50.275841 [CONSOLE] mod_commands.c:559 Timer Test: 35 sleep 20 57

2012-03-27 15:36:50.299676 [CONSOLE] mod_commands.c:559 Timer Test: 36 sleep 20 24607

2012-03-27 15:36:50.319195 [CONSOLE] mod_commands.c:559 Timer Test: 37 sleep 20 18660

2012-03-27 15:36:50.336701 [CONSOLE] mod_commands.c:559 Timer Test: 38 sleep 20 18321

2012-03-27 15:36:50.377677 [CONSOLE] mod_commands.c:559 Timer Test: 39 sleep 20 40551

2012-03-27 15:36:50.377677 [CONSOLE] mod_commands.c:559 Timer Test: 40 sleep 20 33

2012-03-27 15:36:50.398692 [CONSOLE] mod_commands.c:559 Timer Test: 41 sleep 20 20552

2012-03-27 15:36:50.421692 [CONSOLE] mod_commands.c:559 Timer Test: 42 sleep 20 23208

2012-03-27 15:36:50.459684 [CONSOLE] mod_commands.c:559 Timer Test: 43 sleep 20 38668

2012-03-27 15:36:50.459684 [CONSOLE] mod_commands.c:559 Timer Test: 44 sleep 20 34

2012-03-27 15:36:50.478817 [CONSOLE] mod_commands.c:559 Timer Test: 45 sleep 20 18432

2012-03-27 15:36:50.519691 [CONSOLE] mod_commands.c:559 Timer Test: 46 sleep 20 41447

2012-03-27 15:36:50.519691 [CONSOLE] mod_commands.c:559 Timer Test: 47 sleep 20 29

2012-03-27 15:36:50.542590 [CONSOLE] mod_commands.c:559 Timer Test: 48 sleep 20 22699

2012-03-27 15:36:50.552674 [CONSOLE] mod_commands.c:559 Timer Test: 49 sleep 20 10034

2012-03-27 15:36:50.590676 [CONSOLE] mod_commands.c:559 Timer Test: 50 sleep 20 38060

2012-03-27 15:36:50.608681 [CONSOLE] mod_commands.c:559 Timer Test: 51 sleep 20 17448

2012-03-27 15:36:50.625755 [CONSOLE] mod_commands.c:559 Timer Test: 52 sleep 20 17767

2012-03-27 15:36:50.643693 [CONSOLE] mod_commands.c:559 Timer Test: 53 sleep 20 17263

2012-03-27 15:36:50.663677 [CONSOLE] mod_commands.c:559 Timer Test: 54 sleep 20 21429

2012-03-27 15:36:50.682676 [CONSOLE] mod_commands.c:559 Timer Test: 55 sleep 20 18072

2012-03-27 15:36:50.723740 [CONSOLE] mod_commands.c:559 Timer Test: 56 sleep 20 40933

2012-03-27 15:36:50.723740 [CONSOLE] mod_commands.c:559 Timer Test: 57 sleep 20 29

2012-03-27 15:36:50.758800 [CONSOLE] mod_commands.c:559 Timer Test: 58 sleep 20 35950

2012-03-27 15:36:50.758800 [CONSOLE] mod_commands.c:559 Timer Test: 59 sleep 20 30

2012-03-27 15:36:50.779674 [CONSOLE] mod_commands.c:559 Timer Test: 60 sleep 20 19772

 

The CPU load is low (20%) so what parameter can affect this? The CentOS version? The kernel versione? The FS version? The number of cpu cores?

 

Stephen

 

On Mon, Mar 26, 2012 at 4:40 PM, Stephen Wilde <wstephen80@gmail.com> wrote:

Ok, I'll try with this parameter, I think I have to do a Freeswitch restart to make this change...

 

Stephen

 

On Mon, Mar 26, 2012 at 4:31 PM, Peter Olsson <peter.olsson@visionutveckling.se> wrote:

You could try to enable the ”old” 1 ms-timer. It will be a little less efficient (a little more CPU load), and I’m not sure it helps, but it’s worth a try.

 

In switch.conf.xml (under autoload_configs), add this: <param name="1ms-timer" value="true"/> - within the settings-tags.

 

/Peter

 

Från: freeswitch-users-bounces@lists.freeswitch.org [mailto:freeswitch-users-bounces@lists.freeswitch.org] För Stephen Wilde
Skickat: den 26 mars 2012 16:20


Till: FreeSWITCH Users Help
Ämne: Re: [Freeswitch-users] Strange "timer_test" result

 

Thank you Peter for your reply!

I have already tried the upgrade to latest git, now I'm on FreeSWITCH Version 1.1.beta1 (git-c31a799 2012-03-24 14-11-49 -0700) and the result is the same.

I have tried with few load (during night) and in this case the timer_test is perfect.

Any suggestion?

 

 

On Mon, Mar 26, 2012 at 4:08 PM, Peter Olsson <peter.olsson@visionutveckling.se> wrote:

Yes, most likely.

 

It’s very strange though, that a machine like this gives so poor timing results.

 

The first thing I would do is to upgrade to latest GIT HEAD. A patch was commited about two weeks ago, that does the calculation for timer_test more properly (so time for logging is not calculated).

 

Have you tried to do the same test with no load at all?

 

/Peter

 

Från: freeswitch-users-bounces@lists.freeswitch.org [mailto:freeswitch-users-bounces@lists.freeswitch.org] För Stephen Wilde
Skickat: den 26 mars 2012 15:52
Till: FreeSWITCH Users Help
Ämne: Re: [Freeswitch-users] Strange "timer_test" result

 

Can this issue affect the voice quality?

 

On Fri, Mar 23, 2012 at 7:46 PM, Stephen Wilde <wstephen80@gmail.com> wrote:

Real hardware, a dedicate server with 2 Xeon X5670 (a total 24 core each one with 12Mb cache at 2.93GHz) that is running at 20% - 25% of load. OS is CentOS 5.7 64bit and FS is (git-0626c89 2012-02-29 14-45-39 -0600)

 

On Fri, Mar 23, 2012 at 6:33 PM, Brian Foster <bdfoster@endigotech.com> wrote:

Is this on virtualized or real hardware?

 

-BDF

On Fri, Mar 23, 2012 at 1:31 PM, Stephen Wilde <wstephen80@gmail.com> wrote:

I have run a "timer_test" in a dedicated FS server and I see strange result: it's normal?

 

Stephen

 

 

freeswitch@internal> timer_test 20 40

Avg: 19.866ms Total Time: 795.880ms

 

2012-03-23 18:25:54.157822 [CONSOLE] mod_commands.c:549 Timer Test: samplecount after init: 1

2012-03-23 18:25:54.178818 [CONSOLE] mod_commands.c:554 Timer Test: samplecount after first step: 2

2012-03-23 18:25:54.199833 [CONSOLE] mod_commands.c:563 Timer Test: 1 sleep 20 19568

2012-03-23 18:25:54.231890 [CONSOLE] mod_commands.c:563 Timer Test: 2 sleep 20 38231

2012-03-23 18:25:54.252816 [CONSOLE] mod_commands.c:563 Timer Test: 3 sleep 20 18847

2012-03-23 18:25:54.262818 [CONSOLE] mod_commands.c:563 Timer Test: 4 sleep 20 13982

2012-03-23 18:25:54.305813 [CONSOLE] mod_commands.c:563 Timer Test: 5 sleep 20 34793

2012-03-23 18:25:54.305813 [CONSOLE] mod_commands.c:563 Timer Test: 6 sleep 20 2

2012-03-23 18:25:54.326811 [CONSOLE] mod_commands.c:563 Timer Test: 7 sleep 20 23166

2012-03-23 18:25:54.347807 [CONSOLE] mod_commands.c:563 Timer Test: 8 sleep 20 16957

2012-03-23 18:25:54.357811 [CONSOLE] mod_commands.c:563 Timer Test: 9 sleep 20 17643

2012-03-23 18:25:54.378828 [CONSOLE] mod_commands.c:563 Timer Test: 10 sleep 20 18786

2012-03-23 18:25:54.399856 [CONSOLE] mod_commands.c:563 Timer Test: 11 sleep 20 25100

2012-03-23 18:25:54.420855 [CONSOLE] mod_commands.c:563 Timer Test: 12 sleep 20 18552

2012-03-23 18:25:54.441855 [CONSOLE] mod_commands.c:563 Timer Test: 13 sleep 20 18815

2012-03-23 18:25:54.462798 [CONSOLE] mod_commands.c:563 Timer Test: 14 sleep 20 19464

2012-03-23 18:25:54.484300 [CONSOLE] mod_commands.c:563 Timer Test: 15 sleep 20 22012

2012-03-23 18:25:54.494804 [CONSOLE] mod_commands.c:563 Timer Test: 16 sleep 20 13980

2012-03-23 18:25:54.515793 [CONSOLE] mod_commands.c:563 Timer Test: 17 sleep 20 19065

2012-03-23 18:25:54.556792 [CONSOLE] mod_commands.c:563 Timer Test: 18 sleep 20 39585

2012-03-23 18:25:54.556792 [CONSOLE] mod_commands.c:563 Timer Test: 19 sleep 20 2

2012-03-23 18:25:54.577790 [CONSOLE] mod_commands.c:563 Timer Test: 20 sleep 20 26255

2012-03-23 18:25:54.598790 [CONSOLE] mod_commands.c:563 Timer Test: 21 sleep 20 17872

2012-03-23 18:25:54.630794 [CONSOLE] mod_commands.c:563 Timer Test: 22 sleep 20 32191

2012-03-23 18:25:54.651790 [CONSOLE] mod_commands.c:563 Timer Test: 23 sleep 20 22634

2012-03-23 18:25:54.672788 [CONSOLE] mod_commands.c:563 Timer Test: 24 sleep 20 15483

2012-03-23 18:25:54.693783 [CONSOLE] mod_commands.c:563 Timer Test: 25 sleep 20 22813

2012-03-23 18:25:54.714783 [CONSOLE] mod_commands.c:563 Timer Test: 26 sleep 20 17099

2012-03-23 18:25:54.714783 [CONSOLE] mod_commands.c:563 Timer Test: 27 sleep 20 1

2012-03-23 18:25:54.734832 [CONSOLE] mod_commands.c:563 Timer Test: 28 sleep 20 29108

2012-03-23 18:25:54.755836 [CONSOLE] mod_commands.c:563 Timer Test: 29 sleep 20 11492

2012-03-23 18:25:54.776830 [CONSOLE] mod_commands.c:563 Timer Test: 30 sleep 20 20855

2012-03-23 18:25:54.808851 [CONSOLE] mod_commands.c:563 Timer Test: 31 sleep 20 32579

2012-03-23 18:25:54.818833 [CONSOLE] mod_commands.c:563 Timer Test: 32 sleep 20 18173

2012-03-23 18:25:54.850828 [CONSOLE] mod_commands.c:563 Timer Test: 33 sleep 20 22666

2012-03-23 18:25:54.871855 [CONSOLE] mod_commands.c:563 Timer Test: 34 sleep 20 23792

2012-03-23 18:25:54.892823 [CONSOLE] mod_commands.c:563 Timer Test: 35 sleep 20 26158

2012-03-23 18:25:54.913823 [CONSOLE] mod_commands.c:563 Timer Test: 36 sleep 20 13080

2012-03-23 18:25:54.934844 [CONSOLE] mod_commands.c:563 Timer Test: 37 sleep 20 24609

2012-03-23 18:25:54.934844 [CONSOLE] mod_commands.c:563 Timer Test: 38 sleep 20 1

2012-03-23 18:25:54.954766 [CONSOLE] mod_commands.c:563 Timer Test: 39 sleep 20 19413

2012-03-23 18:25:54.975764 [CONSOLE] mod_commands.c:563 Timer Test: 40 sleep 20 19820

freeswitch@internal> status

UP 0 years, 0 days, 16 hours, 10 minutes, 25 seconds, 539 milliseconds, 696 microseconds

FreeSWITCH is ready

955611 session(s) since startup

2192 session(s) 0/50

6000 session(s) max

min idle cpu 0.00/74.00

 

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