mdaniel: I've seen no profiling tools that can reliably perform this kind of automated profiling and force people to think about certain issues. You're spot on—

mdaniel: I've seen no profiling tools that can reliably perform this kind of automated profiling and force people to think about certain issues. You're spot on—the tooling is more about raising awareness than making your build faster, or slower. There are many legitimate reasons to have a very-slow build. It should be the choice of a fully-informed human to figure out the trade off and make a conscious decision.