*runtime.DoubleCheckReadMemStats = true
}

func TestReadMemStats(t *testing.T) {
	base, slow := runtime.ReadMemStatsSlow()
	if base != slow {
		logDiff(t, "MemStats", reflect.ValueOf(base), reflect.ValueOf(slow))
		t.Fatal("memstats mismatch")
	}
}

func logDiff(t *testing.T, prefix string, got, want reflect.Value) {
	typ := got.Type()
	switch typ.Kind() {
	case reflect.Array, reflect.Slice:

// managed by the Go runtime).
//
// More specifically, the following expression accurately reflects
// the value the runtime attempts to maintain as the limit:
//
//	runtime.MemStats.Sys - runtime.MemStats.HeapReleased
//
// or in terms of the runtime/metrics package:
//
//	/memory/classes/total:bytes - /memory/classes/heap/released:bytes
//
// A zero limit or a limit that's lower than the amount of memory

}

type homeInfo struct {
	ProcessName string
	HeapSize    uint64
	NumGC       uint32
	CurrentTime int64
	Hostname    string
	IP          string
}

func getHomeInfo() *homeInfo {
	var ms runtime.MemStats
	runtime.ReadMemStats(&ms)

	hostName, _ := os.Hostname()

	return &homeInfo{
		ProcessName: os.Args[0],
		HeapSize:    ms.HeapAlloc,
		NumGC:       ms.NumGC,
		CurrentTime: time.Now().UnixNano(),

	"time"
	"unsafe"
)

var testMemStatsCount int

func TestMemStats(t *testing.T) {
	testMemStatsCount++

	// Make sure there's at least one forced GC.
	GC()

	// Test that MemStats has sane values.
	st := new(MemStats)
	ReadMemStats(st)

	nz := func(x any) error {
		if x != reflect.Zero(reflect.TypeOf(x)).Interface() {
			return nil
		}
		return fmt.Errorf("zero value")
	}

import (
	"runtime"
	"runtime/debug"
	"sync"
	"time"
)

func main() {
	runtime.GOMAXPROCS(1)
	debug.SetGCPercent(1000000) // only GC when we ask for GC

	var stats, stats1, stats2 runtime.MemStats

	release := func() {}
	for i := 0; i < 20; i++ {
		if i == 10 {
			// Should be warmed up by now.
			runtime.ReadMemStats(&stats1)
		}

		c := make(chan int)
		for i := 0; i < 10; i++ {

		if delta := inuse() - start; delta > 1<<20 {
			println("BUG: f2: after alloc: expected delta below 1MB, got: ", delta)
			println(x)
		}
	}
}

func inuse() int64 {
	runtime.GC()
	var st runtime.MemStats
	runtime.ReadMemStats(&st)
	return int64(st.Alloc)

}

func writeHeapInternal(w io.Writer, debug int, defaultSampleType string) error {
	var memStats *runtime.MemStats
	if debug != 0 {
		// Read mem stats first, so that our other allocations
		// do not appear in the statistics.
		memStats = new(runtime.MemStats)
		runtime.ReadMemStats(memStats)
	}

	// Find out how many records there are (MemProfile(nil, true)),

	h.cachealloc.init(unsafe.Sizeof(mcache{}), nil, nil, &memstats.mcache_sys)
	h.specialfinalizeralloc.init(unsafe.Sizeof(specialfinalizer{}), nil, nil, &memstats.other_sys)
	h.specialprofilealloc.init(unsafe.Sizeof(specialprofile{}), nil, nil, &memstats.other_sys)
	h.specialReachableAlloc.init(unsafe.Sizeof(specialReachable{}), nil, nil, &memstats.other_sys)

//go:noinline
func withoutNoEscape() {
	var str string
	C.runCWithoutNoEscape(unsafe.Pointer(&str))
}

func CgoNoEscape() {
	// make GC stop to see the heap objects allocated
	debug.SetGCPercent(-1)

	var stats runtime.MemStats
	runtime.ReadMemStats(&stats)
	preHeapObjects := stats.HeapObjects

	for i := 0; i < num; i++ {
		withNoEscape()
	}

	runtime.ReadMemStats(&stats)
	nowHeapObjects := stats.HeapObjects

{{ define "content" }}

<p>
    This information is gathered from the Go runtime and represents the ongoing memory consumption
    of this process. Please refer to the <a href="https://golang.org/pkg/runtime/#MemStats">Go documentation on the MemStats type</a>
    for more information about all of these values.
</p>

<table>
    <thead>
    <tr>
        <th>Counter</th>
        <th>Value</th>
        <th>Description</th>
    </tr>