From 47ab3d4a42e9ab51c465c4322d2ec233f6324e6b Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 15:16:40 +0200 Subject: Adding upstream version 1.18.10. Signed-off-by: Daniel Baumann --- src/runtime/testdata/testprog/memprof.go | 51 ++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 src/runtime/testdata/testprog/memprof.go (limited to 'src/runtime/testdata/testprog/memprof.go') diff --git a/src/runtime/testdata/testprog/memprof.go b/src/runtime/testdata/testprog/memprof.go new file mode 100644 index 0000000..0392e60 --- /dev/null +++ b/src/runtime/testdata/testprog/memprof.go @@ -0,0 +1,51 @@ +// 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) +} -- cgit v1.2.3