Which logic does workqueue error/warning rules use?

• A. Or
• B. And
• C. Not
• D. Nand

Answer: (A)

The logic is OR. Workqueue error/warning rules trigger when any one of the defined fault conditions occurs. This is the most useful approach because a system can fail from different independent issues (for example, a long queue, a stalled worker, or a timeout), and you want to raise a warning as soon as any one of those problems is detected, not only when all of them happen at once. If you used AND, you’d only get a warning when every condition is true at the same time, which makes alerts far less likely and reduces visibility into separate issues. Not and Nand don’t fit the typical way multiple independent checks are combined for warnings: Not would invert a single condition, and Nand would complicate the logic without aligning with the goal of flagging any single fault.