On the zLinux guest (ZP013), using sar I get a CPU usage of about 15%:  

11:00:01 AM       CPU     %user     %nice   %system   %iowait    %steal
%idle

11:50:01 AM       all          14.78      0.00       0.70          0.53
0.15        83.84

 

But under Perfkit (zVM) we get the following exception message, 33.5%
CPU:

11:51:51 FCXUSL317A User ZP013 %CPU 33.5 exceeded threshold 30.0 for 5
min.

 

'top' numbers match the 'sar' values from the zLinux guest. We have two
IFLs defined to the guest.

 

Why are the numbers from PERFKIT different from the zLinux environment?
Which numbers should we be monitoring from?

 

James Chaplin

Systems Programmer, MVS, zVM & zLinux

Base Technologies, Inc

(703) 921-6220

 


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