Oracle@grp1 process is too high

Dear all,
We have a 10g RAC setup. We also installed HP OpenView for monitoring. There is always an oracle process names oracle@instance1_name that takes more than 40% of a single processor ( we have 16 processor on each node). how can i get what this session is doing & why it takes this much time.
Regards;

Dear Tomy3k_Bakr!
You may use gv$process and gv$session to identify this process. Get the PID of this process and try the following query:
SELECT inst_id, username, program, sid, serial#, command, server, osuser, process
FROM   gv$process p, gv$session s
WHERE p.ADDR = s.SADDR;This should give you information about about what oracle@instance1_name is.
Yours sincerely
Florian W.

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    Process Technology   0.13u
    Bus Type   AGP
    Memory Size   128 MB
    GPU Clock   270 MHz
    RAMDAC Clock   400 MHz
    Pixel Pipelines   4
    TMU Per Pipeline   1
    Vertex Shaders   4  (v2.0)
    Pixel Shaders   1  (v2.0)
    DirectX Hardware Support   DirectX v9.0
    Pixel Fillrate   1080 MPixel/s
    Texel Fillrate   1080 MTexel/s
    Memory Bus Properties   
    Bus Type   DDR
    Bus Width   128-bit
    Real Clock   324 MHz (DDR)
    Effective Clock   648 MHz
    Bandwidth   10368 MB/s   
    Graphics Processor Manufacturer   
    Company Name   NVIDIA Corporation
    Product Information   http://www.nvidia.com/view.asp?PAGE=products
    Driver Download   http://www.nvidia.com/drivers

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