Find out where the information for configured capacity is recorded.
The partition capacity values are determined initially when
the partition is started and depends on the capacity resources available at
the time. These initial values can be altered through configuration changes
while the partition is active. 
Logical partitions (LPARs) enable some partitions to exceed their configured capacity in certain situations. During these times, the processor utilization metrics of these partitions can be greater than 100% of the configured capacity.
The usage and capacity information is recorded in the QAPMSYSTEM database file. The virtual processor information is recorded in the QAPMSYSCPU database file. The following values summarize this information:
- Virtual processors
- The number of processors that are assigned to a logical partition that
is sharing processor capacity of the shared processor pool. This value determines
the number of concurrent processors that could be active in the logical partition. This value is included in the QAPMSYSCPU performance database file
in the field (or column) named SCTACT.
- Shared processor pool capacity available
- Total processor capacity in the shared processor pool available for use
by shared processor logical partitions. This value is included in the QAPMSYSTEM performance database file in a column named SYSPLA.
If partitions configured as uncapped compete for available shared pool capacity
in excess of the guaranteed amount, the distribution of processor capacity
is determined by the uncapped weight assigned to the logical partition.
- Shared processor capacity used
- Total amount of shared processor capacity used by all active shared processor
logical partitions. Total amount of CPU used within the shared pool by all
partitions that share the pool. This value is included in the QAPMSYSTEM performance
database file in a column named SYSPLU.
- Partition guaranteed capacity
- Processor capacity configured to a shared processor logical partition
from the shared processor pool. This value is included in theQAPMSYSTEM performance
database file in a column named SYSCTA. The 5250 OLTP capacity configured
is recorded in column named SYIFTA.
- Partition processor utilization
- Total CPU time used by a logical partition. In
a shared processor logical partition with uncapped capacity, this value may
exceed the guaranteed capacity if there is unused capacity in the shared processor
pool. This value is included in theQAPMSYSTEM performance
database file in a column named SYSPTU. The 5250 OLTP capacity used is recorded
in column named SYIFUS. The maximum processor capacity in a partition is determined
by the number of virtual processors configured.
- Partition available capacity
- The amount of processor capacity that could have been used by the logical
partition. This value is included in theQAPMSYSTEM performance
database file in a column named SYSUTA. This is the processor capacity utilized
(SYSPTU) plus the unused capacity in the shared processor pool (SYSPLA), subject
to the following limits:
- The minimum is the configured (guaranteed) capacity.
- The maximum is the capacity based on the number of virtual processors assigned to the partition and pool.