Recently, I gave a Tech Talk at Google on DTrace, the video for which is now online. If you’ve seen me present before and you don’t want to suffer through the same tired anecdotes, arcane jokes, and disturbing rants, jump ahead to about 57:16 to see a demo of DTrace for Python — and in particular John Levon‘s incredible Python ustack helper. You also might want to skip ahead to 1:10:46 for the Q&A — any guesses what the first question was? (Hint: it was such an obvious question, both I and the room erupted with laughter.) Note that my rather candid answer to that question represents my opinion alone, and does not constitute legal advice — and nor does it represent any sort of official position of Sun…