
198 ◾ Software Metrics
occurred and the cost to locate and x it. A typical fault report interprets
the eight attributes in the following way:
Fault Report
Location: Within system identier, such as module or document name
Timing: Phases of development during which fault was created, detected
and corrected
Symptom: Type of error message reported, or activity which revealed
fault (such as review)
End result: Failure caused by the fault
Mechanism: How source was created, detected, and corrected
Cause: Type of human error that led to fault
Severity: Refer to severity of resulting or potential failure
Cost: Time or eort to locate and correct; can include ...