// Copyright 2016 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package main import ( "bytes" "fmt" "os" "runtime" "runtime/pprof" ) func init() { register("MemProf", MemProf) } var memProfBuf bytes.Buffer var memProfStr string func MemProf() { // Force heap sampling for determinism. runtime.MemProfileRate = 1 for i := 0; i < 10; i++ { fmt.Fprintf(&memProfBuf, "%*d\n", i, i) } memProfStr = memProfBuf.String() runtime.GC() f, err := os.CreateTemp("", "memprof") if err != nil { fmt.Fprintln(os.Stderr, err) os.Exit(2) } if err := pprof.WriteHeapProfile(f); err != nil { fmt.Fprintln(os.Stderr, err) os.Exit(2) } name := f.Name() if err := f.Close(); err != nil { fmt.Fprintln(os.Stderr, err) os.Exit(2) } fmt.Println(name) }