PprofAddr returns the listen address of the HTTP httpserver. It is useful when the process was started with flag -pprof=:0.
Start starts the cpu, memory, and other profilers specified in the commandline. This function has no effect if none of the following flags is set.
-cpu-profile -heap-profile -thread-create-profile -block-profile -mutex-profile -profile-interval-s -pprof
This function should be called at the start of a process. Calling it multiple times a noop.