zIIP and CP question

Daniel Luksetich

zIIP and CP question
In my Omegamon report I know I have to add the class 2 CP CPU and class 2
zIIP CPU to get total class 2 CPU.



I am assuming that in order to get total class 1 CPU I need to add class 1
CPU and class 2 zIIP CPU together.



Sound right?



Thanks,

Dan



Daniel L Luksetich

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Re: zIIP and CP question
(in response to Daniel Luksetich)
Sounds right. Two proofs,
1. From the format of Omegamon report, "CP CPU TIME" and "IIP CPU TIME"
are in different
paragraphs (and they are both headlines), and no inclusive relationship
between them.
2. When I used "IIP" as keyword to search the manuals, I found a lot of
"not include". :)

BTW, if any "IIPCP CPU", this has been included in "CP CPU TIME".


Happy Chinese New Year to all listers.



Huang Hao
Senior Manager, Dept. System
ICBC Data Center(Shanghai)



Daniel Luksetich <[login to unmask email]>
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2011-02-02 08:19
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[DB2-L] zIIP and CP question






In my Omegamon report I know I have to add the class 2 CP CPU and class 2
zIIP CPU to get total class 2 CPU.

I am assuming that in order to get total class 1 CPU I need to add class 1
CPU and class 2 zIIP CPU together.

Sound right?

Thanks,
Dan

Daniel L Luksetich
IBM Information Champion
IBM Certified Database Administrator - DB2 10 for z/OS
IBM Certified System Administrator - DB2 9 for z/OS
IBM Certified Solutions Expert - DB2 Universal Database V7.1 Database
Administration for UNIX, Windows, and OS/2
IBM Certified Solutions Expert - DB2 UDB V7.1 Family Application
Development
IBM Certified Advanced Technical Expert - DB2 Data Replication

Vice President of Global Database Operations
YL&A, Inc.
Database Performance Professionals
http://www.ylassoc.com
http://www.db2expert.com
http://www-01.ibm.com/software/data/champion/profiles/luksetich.html




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Richard Humphris

Re: zIIP and CP question
(in response to hhuang@DCCSH.ICBC.COM.CN)
Hi Dan,

My understanding is that CPU engines and zIIP engines can run at different speeds depending on the machine you're running on. On some machine/models: zIIP engines can be dramatically faster engines than the CPU engines on your machine. Some lower end machines/models may have their cpu engines "throttled down" by microcode(?), while the zIIP engines run at full speed.

So it may be that "total class 2" CPU = cpu time + (zIIP time * zipFactor)

And the same is true for "class 1" time.

By the way, I suspect Omegamon is reporting the raw zIIP time (and not some adjusted zIIP time); but you might want to research that as well.

Thanks,

Richard Humphris
IBM Global Services

________________________________

From: IDUG DB2-L [mailto:[login to unmask email] On Behalf Of Daniel Luksetich
Sent: Tuesday, February 01, 2011 6:19 PM
To: [login to unmask email]
Subject: [DB2-L] zIIP and CP question

In my Omegamon report I know I have to add the class 2 CP CPU and class 2 zIIP CPU to get total class 2 CPU.

I am assuming that in order to get total class 1 CPU I need to add class 1 CPU and class 2 zIIP CPU together.

Sound right?

Thanks,
Dan

Daniel L Luksetich
IBM Information Champion
IBM Certified Database Administrator - DB2 10 for z/OS
IBM Certified System Administrator - DB2 9 for z/OS
IBM Certified Solutions Expert - DB2 Universal Database V7.1 Database Administration for UNIX, Windows, and OS/2
IBM Certified Solutions Expert - DB2 UDB V7.1 Family Application Development
IBM Certified Advanced Technical Expert - DB2 Data Replication

Vice President of Global Database Operations
YL&A, Inc.
Database Performance Professionals
http://www.ylassoc.com
http://www.db2expert.com
http://www-01.ibm.com/software/data/champion/profiles/luksetich.html


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