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PatMis
PatMis
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Pinned topic AIX LPAR Process CPU Usage

‏2013-08-28T06:52:01Z |

On an AIX LPAR: If a proces uses 0.3% CPU (ps aux), how much physical CPU does it use?


userx  9240576  0.3  2.0 32260 34604      - A      Aug 13 114:19 ProcessX

The LPAR has the following configuration (lparstat -i):


Node Name                                  : hostA
Partition Name                             : 12_hostA_NIM
Partition Number                           : 12
Type                                       : Shared-SMT
Mode                                       : Uncapped
Entitled Capacity                          : 0.10
Partition Group-ID                         : 32780
Shared Pool ID                             : 0
Online Virtual CPUs                        : 1
Maximum Virtual CPUs                       : 2
Minimum Virtual CPUs                       : 1
Online Memory                              : 1536 MB
Maximum Memory                             : 4096 MB
Minimum Memory                             : 256 MB
Variable Capacity Weight                   : 128
Minimum Capacity                           : 0.10
Maximum Capacity                           : 2.00
Capacity Increment                         : 0.01
Maximum Physical CPUs in system            : 16
Active Physical CPUs in system             : 16
Active CPUs in Pool                        : 16
Shared Physical CPUs in system             : -
Maximum Capacity of Pool                   : -
Entitled Capacity of Pool                  : -
Unallocated Capacity                       : 0.00
Physical CPU Percentage                    : 10.00%
Unallocated Weight                         : 0
Memory Mode                                : Dedicated
Total I/O Memory Entitlement               : -
Variable Memory Capacity Weight            : -
Memory Pool ID                             : -
Physical Memory in the Pool                : -
Hypervisor Page Size                       : -
Unallocated Variable Memory Capacity Weight: -
Unallocated I/O Memory entitlement         : -
Memory Group ID of LPAR                    : -
Desired Virtual CPUs                       : 1
Desired Memory                             : 1536 MB
Desired Variable Capacity Weight           : 128
Desired Capacity                           : 0.10
Target Memory Expansion Factor             : -
Target Memory Exp28.08.2013 08:06:04> ansion Size               : -
28.08.2013 08:06:04> Power Saving Mode                          : -

Thanks,

Pad