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You may encounter the following error during installation of the up.time Uptime Infrastructure Monitor AIX agent:

Checking to see if perfparse returns valid columns
sar: time change not positive
/opt/uptime-agent/bin/[28]: %usr: 0403-057 Syntax error

Sorry invalid parameters in CPU test please contact support
sar: time change not positive

This error is caused by a problem with the local AIX version of sar and sadc. For information on resolving this issue, please refer to SAR error and SADC problems on AIX.

The agent not returning CPU and Disk Stats is another symptom of the same root cause