Some standard utility to measure 8k for DBIO_EXPECTED on windows?

Hi please is there some standard utility on windows to measure DBIO_EXPECTED?
Is this really important to set for addm analysis, or it isn't so important? Thank you.
:)

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Oracle Certified Profesional 9i 10g
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10 years of experience from Oracle 7 to Oracle10g and developer 6i

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