ASE1570 sp100, IBM AIX power8
cpuinfo see 2 cores, lpar see 4 Virtual CPUs
prtconf see Number Of Processors 4
$ ./cpuinfo
License hostid: fa0d564c
Detected 16 logical processor(s), 2 core(s), in 1 chip(s) <===============check this
$ ./cpuinfo -v
2015/10/12 14:36:09 Sybase Licensing API/2.2.0.9/2209/64bit/2/P/RS6000/AIX 5.3/OPT/Thu May 3 08:59:40 2012
2015/10/12 14:36:09 FLEXnet Licensing API/v10.8.5.0 build 31891 rs64_u5
2015/10/12 14:36:09 Hostid [1100796f0]: fa0d564c
2015/10/12 14:36:09 os_get_cpu_info: sysconf(_SC_NPROCESSORS_ONLN) = 16
2015/10/12 14:36:09 cpuinfo_set_processor: Processor implementation 0x10000: POWER7 or above
2015/10/12 14:36:09 osinfo_populate_osinfo: AIX v7.1
2015/10/12 14:36:09 os_get_cpu_info: pcpus_in_pool = 0
2015/10/12 14:36:09 os_get_cpu_info: Deduce topology from processor info
2015/10/12 14:36:09 get_cpu_defaults: SMT supported on AIX v7.1 since POWER5
2015/10/12 14:36:09 os_get_threads_per_core: SMT is enabled. 8 threads per core
2015/10/12 14:36:09 get_cpu_defaults: POWER7 or above processor has up to 8 cores per chip and up to 4 chips per MCM package
2015/10/12 14:36:09 os_get_cpu_info: logical: 16, cores: 2, chips: 1, packages:1
2015/10/12 14:36:09 Logical CPUs: 16
2015/10/12 14:36:09 Physical CPUs: 2 <===============check this
2015/10/12 14:36:09 CPU Chips: 1
2015/10/12 14:36:09 Getting MACHINE-wide CPU info
2015/10/12 14:36:09 get_machine_cpu_info: pcpus_in_sys = 16
2015/10/12 14:36:09 get_machine_cpu_info: SMT enabled. 8 threads per core
2015/10/12 14:36:09 cpuinfo_set_processor: Processor implementation 0x10000: POWER7 or above
2015/10/12 14:36:09 osinfo_populate_osinfo: AIX v7.1
2015/10/12 14:36:09 get_cpu_defaults: SMT supported on AIX v7.1 since POWER5
2015/10/12 14:36:09 os_get_threads_per_core: SMT is enabled. 8 threads per core
2015/10/12 14:36:09 get_cpu_defaults: POWER7 or above processor has up to 8 cores per chip and up to 4 chips per MCM package
2015/10/12 14:36:09 get_machine_cpu_info: MACHINE: 128 logical processors, 16 cores
2015/10/12 14:36:09 Machine-wide physical CPUs: 16
2015/10/12 14:36:09 Machine-wide CPU Chips: 2
2015/10/12 14:36:09 cpuinfo: Hostid = fa0d564c
License hostid: fa0d564c
Detected 16 logical processor(s), 2 core(s), in 1 chip(s)
$ lparstat -i
Node Name : siidb1
Partition Name : siidb1
Partition Number : 3
Type : Dedicated-SMT-4
Mode : Capped
Entitled Capacity : 4.00
Partition Group-ID : 32771
Shared Pool ID : -
Online Virtual CPUs : 4 <===============check this
Maximum Virtual CPUs : 6
Minimum Virtual CPUs : 1
Online Memory : 24576 MB
Maximum Memory : 32768 MB
Minimum Memory : 16384 MB
Variable Capacity Weight : -
Minimum Capacity : 1.00
Maximum Capacity : 6.00
Capacity Increment : 1.00
Maximum Physical CPUs in system : 16
Active Physical CPUs in system : 16
Active CPUs in Pool : -
Shared Physical CPUs in system : 0
Maximum Capacity of Pool : 0
Entitled Capacity of Pool : 0
Unallocated Capacity : -
Physical CPU Percentage : 100.00%
Unallocated Weight : -
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 : 4
Desired Memory : 24576 MB
Desired Variable Capacity Weight : -
Desired Capacity : 4.00
Target Memory Expansion Factor : -
Target Memory Expansion Size : -
Power Saving Mode : Disabled
Sub Processor Mode : -
$ prtconf
System Model: IBM,8408-E8E
Machine Serial Number: 840D56W
Processor Type: PowerPC_POWER8
Processor Implementation Mode: POWER 8
Processor Version: PV_8_Compat
Number Of Processors: 4<===============check this
Processor Clock Speed: 3724 MHz
CPU Type: 64-bit
Kernel Type: 64-bit
LPAR Info: 3 siidb1
Memory Size: 24576 MB
Good Memory Size: 24576 MB
Platform Firmware level: SV830_068
Firmware Version: IBM,FW830.10 (SV830_068)
Console Login: enable
Auto Restart: true
Full Core: false