Event planners hope to avoid a 'repeat performance' of last year's problems. [=hope that last year's problems will not happen again this year]
a bicyclist who was disqualified for taking 'performance'-enhancing drugs [=drugs that improve your ability to do something]
How has the company's stock 'performance' been? [=has the value of the company's stock been increasing/decreasing?]
(..) you can be damn well sure we'll avenge it. How will your friends have time for me when they are so busy fighting you? This usually works. Well, performance issues, it's not uncommon. One out of five... Jarvis, anytime now. Jarvis, anytime now. You will all fall before me. (..)2012 The Avengers
(..) No, no, this is much worse. Hover power check complete. Position cyclic. Increase collective to .%. Preparing for maximum performance takeoff. Increase output to capacity. Power plant performing at capacity. We are clear. All engines operating. S.H.I.E.L.D. Emergency (..)2012 The Avengers