pt-stalk --sleep should never be less than --run-time.
pt-stalk --no-stalk --run-time=600
While it ran, pt-stalk triggered another collection every 300 seconds (AFAICT).
- pt-stalk should never be capable of collecting twice at once
- --sleep should never be allowed to be lower than --run-time
- didn't --sleep used to kick in AFTER the collection was done?