Feel your pain! This was the idea behind query performance "bubbles" in Fleet. (Uses the osquery performance metadata to indicate whether performance impact of a query on a host is "minimal", "considerable", or "excessive")
Next step is "clairvoyance", where we predict perf based on the SQL when you're in the query editor
Next step is "clairvoyance", where we predict perf based on the SQL when you're in the query editor