If you only have 2 users in pool 0 and you run registration scenarios at 1
scenario attempt per second, your registration phase may only last for 2
seconds because after that you pool of users available to perform registration
scenarios is empty (both users are registered by then). If you configure it so,
you would not run out of users during the registration phase. If you then want
to have a subsequent phase with calling scenarios, assuming again 1 call per
second, you'd have to make sure the call duration is always below 1 second
because 1 second after the first call makes the 2 users busy (by moving them to
a specific pool for users who are busy on a call), you'd need to have them free
again to start the next call. This also means you should use constant call
duration instead of statistical one.
Maybe this is possible but, to be honest, trying to use IMS Bench SIPp with
just 2 users really doesn't make much sense. Again, why are you trying with IMS
Bench for this type of exercise when the "vanilla" SIPp (no manager, no user
pools, just a simple input file with the data for your 2 users)?
Is there something specific in IMS Bench SIPp that you need and that is not
there in the vanilla SIPp?
-David
P.S. By "vanilla SIPp", I mean the main SIPp code branch.
________________________________
From: Vanessa Tejada Muñoz [mailto:[EMAIL PROTECTED]
Sent: jeudi 9 octobre 2008 11:03
To: Verbeiren, David
Cc: [email protected]
Subject: Re: [Sipp-users] Run basic scenarios IMS bench.
Hi David,
I would like to know why I can test the basic scenarios with only 2 users. I
think that it would be a good idea create a kind of label to control the number
of users. I have always the same error because my pool is empty... I found
another question in the mailing list about this issue. I don't understant why I
can't test the scenarios with a limit number of users. Why is mandatory have
thousands of users? It may people want to check its IMS core with a bit users
before.
I need to know if It is imposible run basic scenarios for only 2 users. I
prefer know it instead of change the manager.xml for nothing.
Thanks a lot for your assistance.
On Wed, Oct 8, 2008 at 12:50 PM, Vanessa Tejada Muñoz <[EMAIL PROTECTED]> wrote:
But the thing is, you should can scecific the number of calls you want like in
Sipp, because I only want to test a call between two users throught IMS Core. I
understand that the ideal test requires a huge number of users, but that is the
requirement of my test now :S
On Wed, Oct 8, 2008 at 12:41 PM, Verbeiren, David <[EMAIL PROTECTED]> wrote:
I don't understand what your goal is. IMS Bench SIPp is meant to provide a
benchmark test system. It will try to load the system under test with many
scenarios and to this end, it requires many users. If you don't intend to
benchmark, then you'd be better off with the vanilla SIPp, IMHO. I think there
are "IMS enabled" scenarios available for vanilla SIPp as well. You may want to
look on the open-ims core wiki or the SIPp wiki.
________________________________
From: Vanessa Tejada Muñoz [mailto:[EMAIL PROTECTED]
Sent: mercredi 8 octobre 2008 12:35
To: Verbeiren, David
Subject: Re: [Sipp-users] Run basic scenarios IMS bench.
Yes, I know, but in my company, they only want to check a call between 2 users
and compare the SIPp test with Softphones. They have created 2 users in the IMS
Core that are associated with a Service Profile and Application Server. That is
why I have only two users... And I'm trying to down rates in my manager.xml...
I don't know it it will work or we will need mandatory more users.
On Wed, Oct 8, 2008 at 12:29 PM, Verbeiren, David <[EMAIL PROTECTED]> wrote:
2 users ???? Why would benchmark with 2 users? You need thousands of users. If
you use the provided ims_bench.pl script (Perl) to configure the benchmark, it
will create the users file for you. Alternatively, I think the source tree
includes a tiny user_gen.pl script that can also be used (as-is or as basis) to
generate the users inf file.
-David
________________________________
From: Vanessa Tejada Muñoz [mailto:[EMAIL PROTECTED]
Sent: mercredi 8 octobre 2008 12:20
To: Verbeiren, David
Cc: [email protected]
Subject: Re: [Sipp-users] Run basic scenarios IMS bench.
The problem is in rates. I have only 2 users. When a I changed the cps of
register scenario in manager, the manager execution continued a bit more. I'll
work in this issue. I hope do not disturb you again.
Thanks David.
Regards,
On Wed, Oct 8, 2008 at 10:57 AM, Verbeiren, David <[EMAIL PROTECTED]> wrote:
Hi Vanessa,
You have to understand the key concept of user pools in IMS Bench SIPp. The
whole benchmark is very "user centric" with the test system acting as a user
population. In order to be able to correctly emulate user behaviours, the
system must keep track of the user state in some way (so as to, for example,
place calls to registered or non registered users in the proportion specified
by the scenario execution ratios; or to only deregister users that were
previously registered). It is actually the scenarios that have to maintain this
user state because only the scenarios know what they intend to do (SIPp has no
knowledge of "being registered" or anything like that so it remains fully
flexible). The way IMS Bench SIPp provides support for this to the scenario
designer is by means of those user pools. You can define yourself what state
(or possibly combination of states) a pool represent. In standard scenarios,
pool 0 is the pool of non-registered users. Hence the ims_reg scenario takes
users from this pool as you can see in the following scenario fragment (from
beginning of ims_reg scenario):
<nop>
<action>
<assign_user pool="0" scheme="rand_uni"/> <!-- 'Unregistered' user -->
<move_user pool="1"/> <!-- Registration ongoing -->
</action>
</nop>
It also puts the user into a temporary pool, pool 1, in order to avoid starting
two registrations in parallel for the same user. Because an instance of the
ims_reg scenario moves the user into pool 1 as soon as it has selected him to
perform a registration, the same user cannot be picked again by another
instance of ims_reg scenario because the scenario always takes its user from
pool 0, not pool 1.
I hope I'm making sense here. This is also explained in the IMS Bench SIPp
online documentation
(http://sipp.sourceforge.net/ims_bench/reference.html#User+oriented+mode) but I
understand there is a lot of information to digest there.
So the error
2008-10-07 14:27:33.624: User pool id[0] is empty -> Quitting!.
means that the ims_reg scenario that was trying to run could not find any user
in pool 0. Without a user, it can't run because its purpose is to register the
user. If this happens right away when you start your test, then it probably
means the file you specify by means of the -user_inf SIPp command line
attribute is not correct. In this file, the first column indicates the initial
pool in which the user is put. If you start by a registration phase (as in the
standard benchmark), then all users should initially live in pool 0.
If it happens after some time of correct execution, then it probably means you
did not provide enough users in order to run the registration phase at the
specified rate and for the specified duration. (e.g. 100 registrations/s for a
120 s registration phase requires at least 12000 users in the -user_inf
specified file; and if you keep doing registrations together with other
scenarios after the initial registration phase, then you should have slightly
more users in order to avoid running out of users in pool 0 in the subsequent
phases).
-David
________________________________
From: Vanessa Tejada Muñoz [mailto:[EMAIL PROTECTED]
Sent: mardi 7 octobre 2008 14:23
To: Verbeiren, David
Subject: Re: [Sipp-users] Run basic scenarios IMS bench.
David,
sorry for my constant questions :S I found an error in usuarios.csv. I create
users.inf as I read in documentation, now I'm registered with the proxy but the
execution don't continue with INVITE message. The error log said:
Epi:/home/ims1/sipp_3_1_ims_bench/ims_bench # cat 20794_errors.log
sipp: The following events occured:
2008-10-07 14:27:31.124: Created CConsole 0x81f5580.
2008-10-07 14:27:31.125: Set TSID: slot:0 TS1 (1).
2008-10-07 14:27:31.125: accept return 18 [IP4: 192.168.34.36:43445].
2008-10-07 14:27:31.125: ~ASSIGNID=0xffffffff - 0x1.
2008-10-07 14:27:31.125: ~ASSIGNID=0x1 - 0xffffffff.
2008-10-07 14:27:31.125: Set TSID: slot:1 TS1 (0).
2008-10-07 14:27:33.624: User pool id[0] is empty -> Quitting!.
2008-10-07 14:27:33.625: Quitting!.
2008-10-07 14:27:33.657: sipp.cpp: EXIT_TEST_RES_UNKNOWN quitting=1.
2008-10-07 14:27:33.658: final cleanup.
My document ims_reg is equal to the IMS bench ims_reg.xml, I add the line
"[authentication [EMAIL PROTECTED] password=[field4] challenge_from="u2"
challenge_type=401]" for the none, but I don't understand what is the message
"2008-10-07 14:27:33.624: User pool id[0] is empty -> Quitting!."
Thanks
On Tue, Oct 7, 2008 at 1:13 PM, Vanessa Tejada Muñoz <[EMAIL PROTECTED]> wrote:
Sorry, I forgot attach again ims_reg.xml
On Tue, Oct 7, 2008 at 1:06 PM, Vanessa Tejada Muñoz <[EMAIL PROTECTED]> wrote:
As I read in the documentation, I execute manager.xml then sipp comand and
finally press 'e' key in manager execution and finally the sipp comand, but the
manager stop at time and I have to finish the test with crtl+c because nothing
change.
I attach the screens, usuarios.csv, ims_reg.xml (because I changed one line in
REGISTER authentication) and log_sipp.
On Tue, Oct 7, 2008 at 12:36 PM, Verbeiren, David <[EMAIL PROTECTED]> wrote:
Could you please send screen output and log files from manager and sipp ?
Note that, as described in
http://sipp.sourceforge.net/ims_bench/reference.html#Running, once all desired
components are started (and you see they all connected to the manager) you
should press the 'e' key in the manager console. (alternatively, you can
configured the expected number of SIPp instances and have the manager start
automatically once they all have connected).
-David
________________________________
From: Vanessa Tejada Muñoz [mailto:[EMAIL PROTECTED]
Sent: mardi 7 octobre 2008 12:16
To: [email protected]
Subject: [Sipp-users] Run basic scenarios IMS bench.
Hi all,
I'm trying to run the basic scenarios in IMS Bench which appears in a folder
called scen when you install it all.
I execute ./manager - f manager.xml and then the comand: ./sipp
ip_core_ims:4060 -rmctrl ip_manager_machine:5000 -user_inf scen/usuarios.csv -i
ip_manager_machine -p 5000
But the problem is that anything happen... Can anybody tell me how to test the
basic scripts please? I think that understanding the basic funcionality I can
create my own scenarios
Best regards
--
Vanessa Tejada
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