
Software Metrics Data Collection ◾ 203
EXAMPLE 5.9
The popular open source problem tracking tool Bugzilla, which describes
both failures and faults as “bugs,” supports recording the eight problem attri-
butes either directly or indirectly as follows:
• Location: Location attributes include product, component, version,
and platform.
• Timing: Timing attributes include dates for when a bug is reported and
when an artifact is modied.
• Symptom, end result, and mechanism: These attributes are not sepa-
rated. They can be recorded under the category “steps to reproduce.”
• Cause: Cause can be recorded as “additional information.”
• Severity: Severi ...