As far as looking at the CPU use, you can use the RMF
Partition Data Report running in any other partition
on the CEC to view the CPU utilization of the IPL
partition.  Set the RMF interval down on one the other
partitions to 1 minute and collect some data to look
at.

--- Original Message ---
From: Rich Smrcina <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Subject:      Re: Bogomips S390(IFL) / Intel

>It can be difficult to tell without some sort of
instrumentation or analysis
>of how Linux is performing.   At the first hint of a
performance problem, the
>typical solution in the Intel world is to throw more
or bigger boxes at
>it.  We don't always have that luxury in the 390
world.  Therefore alot of
>shops have monitoring tools to tell us where the
problem is so that we can
>come up with a game plan on how to fix it.
>
>Running in an LPAR you are somewhat limited in that
you can only use Linux
>tools and the HMC displays.  I do not know what
monitoring packages exist for
>Linux (besides top), that will give you the
information that you (and we)
>need to work this out.  Of course under VM there are
a number of choices.
>
>While you are testing sendmail, what does the HMC
indicate about the CPU load
>if your IFL?  Also, does the IFL use dedicated CHPIDs
to the DASD?  If so,
>what is their utilization?  As mentioned earlier, try
dedicating the IFL to
>this Linux partition (as long as there are no other
LPARs that need it).
>
>On Wednesday 20 March 2002 12:19 am, you wrote:
>> How can I find out what is causing my
problem "Connection rejected" on my
>> sendmail. Could it be the disk delays or what? How
can I sort out this
>> problem because whether it is BogoMips or not Intel
box does not reject
>> messages but my Linux/390 does. Is the any way I
can sort out this problem.
>>
>> Please assist
>>
>> Moloko
>>
>
>--
>Rich Smrcina
>Sytek Services, Inc.
>Milwaukee, WI
>[EMAIL PROTECTED]
>[EMAIL PROTECTED]
>
>Catch the WAVV!  Stay for Requirements and the Free
for All!
>Update your S/390 skills in 4 days for a very
reasonable price.
>WAVV 2002 in Cincinnati (Fort Mitchell, KY).
>April 12-16, 2002
>For details see http://www.wavv.org

Jon Nolting

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