The golang folks did a nice write-up on profiling Go code: http://blog.golang.org/profiling-go-programs http://blog.golang.org/profiling-go-programs and it cove

The golang folks did a nice write-up on profiling Go code: http://blog.golang.org/profiling-go-programs http://blog.golang.org/profiling-go-programs and it covers both CPU and heap profiling. They've incorporated Google's perftools directly with Go which makes the whole process very pleasant compared to what you'd need to do for many other languages.