weblogic 12.1.2 run on linux is normal,but run on aix cpu usage 100%

run the same loadruner script on both aix and linux , but get two different result:

AIX

lsdev

# prtconf

System Model: IBM,8205-E6D

Machine Serial Number: 84B6DAV

Processor Type: PowerPC_POWER7

Processor Implementation Mode: POWER 7

Processor Version: PV_7_Compat

Number Of Processors: 16

Processor Clock Speed: 4228 MHz

CPU Type: 64-bit

Kernel Type: 64-bit

LPAR Info: 1 84B6DAV-par

Memory Size: 128512 MB

Good Memory Size: 128512 MB

Platform Firmware level: AL770_098

Firmware Version: IBM,AL770_098

Console Login: enable

Auto Restart: true

Full Core: false

NX Crypto Acceleration: Capable and Enabled

linux:

[root@sxyhhxetc]# dmidecode|grep "Product Name"

         Product Name: ProLiant DL380p Gen8