Golang程序如何查找内存泄漏(pprof)

// +build debug

package main

import (
	"net/http"
	_ "net/http/pprof"
)

func init() {
	go http.ListenAndServe(":18080", nil)
}

 go build -tags debug .

[user@LAPTOP-LCP testtool]$ go tool pprof -inuse_space http://192.168.20.5:18080/debug/pprof/heap
Fetching profile over HTTP from http://192.168.20.5:18080/debug/pprof/heap
Saved profile in C:\Users\Noname\pprof\pprof.testtool.alloc_objects.alloc_space.inuse_objects.inuse_space.006.p
b.gz
File: testtool
Type: inuse_space
Time: Aug 16, 2022 at 2:24pm (CST)
Entering interactive mode (type "help" for commands, "o" for options)
(pprof) top 10
Showing nodes accounting for 27831.78kB, 100% of 27831.78kB total
Showing top 10 nodes out of 35
flat flat% sum% cum cum%
11787.50kB 42.35% 42.35% 11787.50kB 42.35% runtime.allocm
9382.95kB 33.71% 76.07% 9382.95kB 33.71% io.ReadAll
2561.02kB 9.20% 85.27% 2561.02kB 9.20% runtime.malg
1536.21kB 5.52% 90.79% 1536.21kB 5.52% github.com/aws/aws-sdk-go/aws/endpoints.init
514kB 1.85% 92.63% 514kB 1.85% bufio.NewReaderSize
514kB 1.85% 94.48% 514kB 1.85% bufio.NewWriterSize
512.08kB 1.84% 96.32% 512.08kB 1.84% net/http.newTransferWriter
512.02kB 1.84% 98.16% 512.02kB 1.84% runtime.gcBgMarkWorker
512kB 1.84% 100% 512kB 1.84% runtime.doaddtimer
0 0% 100% 9382.95kB 33.71% io/ioutil.ReadAll
(pprof)
(pprof)

(pprof)
(pprof) list io.ReadAll
Total: 27.18MB
ROUTINE ======================== io.ReadAll in C:\Program Files\Go\src\io\io.go
9.16MB 9.16MB (flat, cum) 33.71% of Total
. . 626:func ReadAll(r Reader) ([]byte, error) {
. . 627: b := make([]byte, 0, 512)
. . 628: for {
. . 629: if len(b) == cap(b) {
. . 630: // Add more capacity (let append pick how much).
9.16MB 9.16MB 631: b = append(b, 0)[:len(b)]
. . 632: }
. . 633: n, err := r.Read(b[len(b):cap(b)])
. . 634: b = b[:len(b)+n]
. . 635: if err != nil {
. . 636: if err == EOF {
(pprof)
(pprof)

go tool pprof -inuse_space -png http://192.168.20.5:18080/debug/pprof/heap > heap.png