go test -run=. -bench=. -cpuprofile=cpu.out -benchmem -memprofile=mem.out -trace=trace.out
go tool pprof -http :8080 cpu.out
go tool pprof -http :8081 mem.out
go tool trace trace.out

go tool pprof $FILENAME.test cpu.out
# (pprof) list <func name>

rm cpu.out mem.out trace.out *.test