There's this thing between your ears called your brain. We're not joking about this, it's called your brain. If you really want to provide value to your team as a performance engineer, you need to start using your brain. This episode of PerfBytes will help you to understand the basic different types of analysis for performance with a few concrete examples. Mark rants about zombie performance testers, James cracks himself up about Prancercize, and oh yeah, get out that old calculator from college.