blob: 0392e60f84b6b78fac0954624ac6df1761dd05a7 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
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)
}
|
