How to analyze golang memory?

Question

I wrote a golang program, that uses 1.2GB of memory at runtime.

Calling go tool pprof http://10.10.58.118:8601/debug/pprof/heap results in a dump with o

Answer 1

As an addition to @Cookie of Nine's answer, in short: you can try the --alloc_space option.

go tool pprof use --inuse_space by default. It samples memory usage so the result is subset of real one.
By --alloc_space pprof returns all alloced memory since program started.