numbers for CPU load less meaningful than runque numbers?

[Myers, Timothy L.]

Anyone else running AIX 5.3ml3 seeing load numbers coming form uptime, to be less useful than the mpstat runque numbers?

mpstat reports -
                                                                                                        
cpu    min    maj    mpc    int     cs    ics     rq    mig   lpa   sysc    us    sy    wa    id    pc  
  0    275      1      0    160   7069   2986      0  13277 100.0  12950  17.9   9.6   3.9  68.6  0.51  
  1     16      0      0    165   7986   3601      1  11905 100.0   9791  17.6   8.7   2.5  71.3  0.49  
  2    179      1      0    163   8064   4211      0  11460 100.0  11374  16.3   9.0   2.7  72.0  0.49  
  3    132      2      0    319   9523   4963      0  14572 100.0   9470  18.1   9.5   3.0  69.4  0.51  
ALL    602      4      0    807  32642  15761      1  51214 100.0  43585  17.5   9.2   3.0  70.3  2.00  
--------------------------------------------------------------------------------------------------------
                                                                                                        
  0    251      4      0    160   6926   2864      0  12986 100.0  11030  17.6   9.0   3.0  70.4  0.49  
  1     45      1      0    159   8211   3864      0  11921 100.0  13722  19.0   9.0   4.1  67.9  0.50  
  2    166      3      0    155   8425   4490      0  11967 100.0  10509  16.3   8.3   2.6  72.9  0.49  
  3    100      0      0    310   9537   4970      0  14084 100.0  10018  18.5   8.8   3.6  69.2  0.51  
ALL    562      8      0    784  33099  16188      0  50958 100.0  45279  17.9   8.7   3.3  70.1  1.99  


uptime reports - 

 09:06AM   up 2 days,  14:51,  56 users,  load average: 41.50, 34.30, 29.37

I am not seeing any of the slowness I would expect from this kind of load so I have spent the last couple of days with snapshots trying to figure it out just what is going wrong.
I don't know but I suspect that the problems with the utmp and wtmp files are causing finger issues


The performance and processes are much more in line with mpstat run queue numbers than with uptime run able process numbers.


Timothy L Myers
Senior Developer

Autom 
5226 South 31st Place
Phoenix AZ 85040



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