Just when you think you've seen the entire spectrum of Go's amazing tool set, there's always one more utility that, once you realize it exists, you'll wonder how you ever survived without it.
Go format is great for cleaning up your code; the
-race flag is essential for detecting possible race conditions, but an even more robust, hands-in-the-dirt tool exists that is used to analyze your final application, and that is pprof.
Google created pprof initially to analyze loop structures and memory allocation (and related types) for C++ applications.
It's particularly useful if you think you have performance issues not uncovered by the testing tools provided in the Go runtime. It's also a fantastic way to generate a visual ...