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CPU Critical Flag

 
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Patricia Magne

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Joined: 25 May 2006
Posts: 10

PostPosted: Sat May 08, 2010 1:19 am    Post subject: CPU Critical Flag
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Hi, I would like to know why if I put CPU Critical Flag in YES in a Service Class, after the activation in SDSF I see the column CPUCrit in YES and then change to NO and stay with this value.

Code:
Service Class CICSCICC - SERV. CLASS PARA CAJEROS             
                                                             
Base goal:                                                   
CPU Critical flag: YES                                       
                                                             
  #  Duration   Imp  Goal description                         
  -  ---------  -    ----------------------------------------
  1             1    Execution velocity of 95                 

SDSF DA VZL1  VZL1     PAG    0  CPU/L    60/ 59       LINE 1-1 (1)           
COMMAND INPUT ===>                                            SCROLL ===> CSR 
NP   JOBNAME   SrvClass SP ResGroup Server   Quiesce  ECPU-Time  ECPU% CPUCrit
     CICC      CICSCICC  1          YES                 4348.68   0.09 NO   
Code'd

Why this happen?
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Anuj Dhawan

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Joined: 22 Apr 2006
Posts: 6258
Location: Mumbai, India

PostPosted: Mon May 10, 2010 3:36 pm    Post subject:
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Not very sure what your question is? May be, and just mab be, "status of falg has something to do" with your curent session. Once you're "out of the session", default value is displayed. It's just a guess, however, have you verified that?
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Patricia Magne

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Joined: 25 May 2006
Posts: 10

PostPosted: Mon May 10, 2010 10:37 pm    Post subject:
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The problem is: I put in WLM the flag for critical cpu for a CICS called CICC and active policy, immediately to changes observed in SDSF CPUCrit column to YES, but only lasts a few seconds then switch back to NO. We also observed the same in RMF, the C R field does not indicate all th time that CPU address spaces is Critical.

CPU= 43/ 43 UIC= 65K PR= 0 System= VZL1 Total

12:30:41 DEV FF FF PRIV LSQA X C SRM TCB CPU EXCP SWAP LPA CSA NVI V&H
JOBNAME CONN 16M 2G FF CSF M R ABS TIME TIME RATE RATE RT RT RT RT

CICC 1176 0 132 105 928 X 0.0 1899 2038 94.0 0.00 0.0 0.0 0.0 0.0
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Anuj Dhawan

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Joined: 22 Apr 2006
Posts: 6258
Location: Mumbai, India

PostPosted: Tue May 11, 2010 3:15 pm    Post subject:
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Only suggestion I can give at this point of time is, please get in contact with your site-support group.
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Robert Sample

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Joined: 06 Jun 2008
Posts: 8165
Location: East Dubuque, Illinois, USA

PostPosted: Tue May 11, 2010 4:09 pm    Post subject:
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My only guess is that your WLM policy is not following all the requirements for CPU Critical (there are several). WLM detects this and turns off CPU Critical after the first evaluation period. That is, however, only a guess as I haven't used CPU Critical on our workloads.
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