Really a fascinating article. Doing serious performance work like this requires a surprising amount of manual digging and research. You’d think that by now we’d

Really a fascinating article. Doing serious performance work like this requires a surprising amount of manual digging and research. You’d think that by now we’d have better tools for this, and the tools we do have are decent for basic cases, but for anything serious is obscenely difficult to really pin anything down. Computers are beasts.