Last summer, Shriram Krishnamurthiasked on Twitter: "I'm curious what the current state of tracing JITs is. They used to be all the rage for a while, then I though I heard they weren't so effective, then I haven't heard of them at all. Is the latter because they are ubiquitous, or because they proved to not work so well?" I replied with my personal (pretty subjective) opinions about the question in a lengthy Twitter thread (which also spawned an even lengthier discussion). I wanted to turn wh...
