File: memory.go

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// SPDX-FileCopyrightText: 2018 - 2022 UnionTech Software Technology Co., Ltd.
//
// SPDX-License-Identifier: GPL-3.0-or-later

package main

import (
	"fmt"
	"os"
	"runtime"
	"strings"
	"syscall"
	"time"

	"github.com/linuxdeepin/go-gir/gio-2.0"
)

func RSSinMB() int {
	var r syscall.Rusage
	err := syscall.Getrusage(syscall.RUSAGE_SELF, &r)
	if err != nil {
		panic(err)
	}
	return int(r.Maxrss) / 1024
}

func TestFunc() {
	gio.AppInfoGetAll()
	gio.DesktopAppInfoSearch("d")
	runtime.GC()
}

func main() {
	var limit = 60
	if strings.HasPrefix(runtime.GOARCH, "arm") { // 易阻塞CRP打包,只在本地进行测试
		// GOARCH is arm or arm64
		limit = 200
	}
	fmt.Printf("limit: %dMB\n", limit)

	TestFunc()
	baseRSSinMB := RSSinMB()
	fmt.Printf("base: %dMB\n", baseRSSinMB)
	getIncreased := func() int {
		return RSSinMB() - baseRSSinMB
	}

	time.AfterFunc(time.Second*60, func() {
		fmt.Printf("increased: %dMB\n", getIncreased())
		os.Exit(0)
	})
	for {
		TestFunc()
		increasedInMB := getIncreased()
		if increasedInMB > limit {
			fmt.Printf("increased: %dMB\n", increasedInMB)
			panic(fmt.Errorf("increased beyond %dMB, detect a memory leak", limit))
		}
	}
}