IBM PERFORMANCE MANAGEMENT FOR POWER SYSTEMS - INTERACTIVE GRAPHING SUPPORT FOR ... Manuale utente
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© 2010 IBM Corporation
Performance Management
Performance Management
for Power Systems:
for Power Systems:
Interactive Graphing Support for IBM i
Interactive Graphing Support for IBM i
http://www.ibm.com/systems/power/support/perfmgmt/
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IBM Global Technology Services
© 2010 IBM Corporation
Management
Management
Summary
Summary
Graphs
Graphs
The Management Summary Graphs are
available for servers/LPARs that are entitled at
the summary / No Additional Charge level.
Entitlement is earned when the system is under
hardware warranty or covered under an IBM
Hardware Maintenance Agreement
All entitled graphs are accessible by the end user customer via secure IBM Internet ID and password.
End users are provided a ‘registration’ key when the server or partition first transmits data.
Visit the PM Getting Started tour on the PM for Power Systems home page for more information.
http://www.ibm.com/systems/power/support/perfmgmt
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IBM Global Technology Services
© 2010 IBM Corporation
Management Summary Graphs
Management Summary Graphs
These graphs are available at no additional charge providing the system is under warranty or the system is
covered under an IBM Hardware Maintenance Agreement.
PM for Power Systems graphs are at the partition level, not at the total system level (unless there is no
partitioning on the system).
This graphic uses the colors to indicate the current status of the resource and the projected status for the next
12 months.
•Green bar – resource utilization is within good performance guidelines
•Yellow bar – resource utilization is marginal, you may be experiencing intermittent performance degradation
due to the resource
•Red bar – resource utilization is critical, the resource utilization is beyond the guidelines for good performance
and corrective action should be taken.
For more information on all graphs, visit the PM for Power Systems Graph Reference Document on the PM
home page at http://www.ibm.com/systems/power/support/perfmgmt
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IBM Global Technology Services
© 2010 IBM Corporation
Full Function
Full Function
Interactive
Interactive
Reports
Reports
The following reports are available for servers/LPARs
that are entitled at the Full Function level of PM for
Power Systems.
Contact IBM or and IBM Business Partner for terms
and conditions in your country.
The Full Function detailed reports available from PM for Power Systems are packaged differently by country.
Contact your local IBM Representative or an IBM Business Partner for more information.
PM for Power Systems graphs are at the partition level, not at the total system level (unless there is no
partitioning on the system).
Additional country contact information is available on the ‘contacts’ page at the main PM for Power Systems
home page
http://www.ibm.com/systems/power/support/perfmgmt
For more information on all graphs, visit the PM for Power Systems Graph Reference Document on the PM
home page at
http://www.ibm.com/systems/power/support/perfmgmt
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IBM Global Technology Services
© 2010 IBM Corporation
Interactive graphing
Detailed reports are available on most graphs with the full function
option of PM for Power Systems (and on the Management
Summary graph which is entitled with the no additional charge
offering).
You are able to view monthly, daily, and hourly level reports.
At the hourly level, you can customize a graph view down to a
single day.
The following graphs are examples of the reports that are
available. You will notice that in many cases the performance
guidelines are depicted on the graph.
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© 2010 IBM Corporation
Guidelines for total processor utilization
These thresholds determine whether a resource is within guideline, marginal
or critical in the following processor utilization reports.
These are the processor utilization guidelines. They are based on the number of processors that are configured
for the server/LPAR.
These are the thresholds that trigger whether a constraint is normal, marginal or critical.
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IBM Global Technology Services
© 2010 IBM Corporation
Average Processor Utilization in % per Day
Average Processor Utilization in % per day
The Average Processor Utilization in % per Day graph shows the average processor utilization per measured
day during the period for three groups of priorities.
The symbols used on this graph are explained as follows:
• The forward slash (green) shows system usage (Jobtype = S).
• The cross-hatch (blue) shows interactive usage (Jobtype = I).
• The backward slash (red) shows the batch usage (Jobtype = B).
• The black line shows the average interactive work of the busiest single two hours during the shift for the
reported day, expressed as a percentage of total processor capability of the partition, (or total system if no
partitioning is used)..
•The left side of the graph shows the usage values in CPW and the right side shows the percentage.
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© 2010 IBM Corporation
Processor Utilization by Hour
Processor Utilization by Hour
The Processor Utilization by Hour graph shows the hourly processor utilization average during the last 30-day
period. This allows you to see how the workload changes during a day.
• The time indication, 08 for example, represents the time range 08:00 through 08:59.
•The black line shows the busiest hour of interactive peak utilization for that hour during the last 30-day
period, expressed as a percentage of the total processor capability assigned to the partition. It is likely that
when this value is high, degraded response times were experienced during that hour on at least one day of the
period.
•The blue line shows the busiest hour of total peak processor utilization for that hour during the last 30-day
period. It is likely that your system experienced a degradation of throughput some day during the period, if this
percentage is high during a longer period.
•The red line shows the interactive limit that is defined in your system, set by the interactive feature installed,
the IBM i software Edition or set by the partition definition.
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IBM Global Technology Services
© 2010 IBM Corporation
Peak Processor Utilization, Total – with Trend Projections
Peak Processor Utilization, Total
The Peak Processor Utilization graph shows the average total peak processor utilization per month for the last
13 months and it also provides you with a growth trend. It also shows you how the workload changes during a
year.
The symbols used on this graph are explained as follows:
• The forward slash (green) in the bottom of the graph shows the processor utilization that is acceptable.
• The cross-hatch (yellow) in the middle of the graph shows the processor utilization that is marginal.
• The backward slash (red) at the top of the graph shows the processor utilization that is critical.
• The black diamond shows the average of the two busiest hours per shift during the month. Actually, the black
diamond shows the size of the workload on the partition in CPW values. On the trend months, the pink diamond
shows the projected peak processor utilization based on the three last months utilization. The blue square
shows the projected peak processor utilization based on the last six months utilization. The yellow star shows
the projected peak processor utilization based on the last 12 months of utilization.
PM for Power Systems will depict the IBM i workload growth over time in CPWs. The advantage of plotting
CPWs is that it is a normalized unit of work independent of the resources allocated to the server/LPAR. This
means that the black diamonds on the graph represent the workload trend independent of the resources
allocated to the server/LPAR.
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IBM Global Technology Services
© 2010 IBM Corporation
Peak Interactive Processor – with Trend Projections
Peak Interactive Processor – with Trend Projections
The Peak Interactive Processor – with Trend Projections graph shows the average processor utilization for
interactive jobs (Job type = I) during the last thirteen months. It also shows the corresponding CPW value used
for the two busiest hours for the shift during the period.
The right hand three columns project growth for the next three months based on the previous 3, 6 and 12
month growth history.
The information under the Facts heading at the bottom of the graph outlines the recommended guidelines for
marginal and critical percentage.
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