ms := &runtime.MemStats{}
		runtime.ReadMemStats(ms)
		fw.RenderHTML(w, tmpl, ms)
	})

	_ = context.JSONRouter().StrictSlash(true).NewRoute().Methods("GET").Path("/").HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
		ms := &runtime.MemStats{}
		runtime.ReadMemStats(ms)
		fw.RenderJSON(w, http.StatusOK, ms)
	})

	a.stacksSys = memstats.stacks_sys.load()
	a.buckHashSys = memstats.buckhash_sys.load()
	a.gcMiscSys = memstats.gcMiscSys.load()
	a.otherSys = memstats.other_sys.load()
	a.heapGoal = gcController.heapGoal()
	a.gcCyclesDone = uint64(memstats.numgc)
	a.gcCyclesForced = uint64(memstats.numforcedgc)

	systemstack(func() {
		lock(&mheap_.lock)
		a.mSpanSys = memstats.mspan_sys.load()

		// Count up how many slots were used and record it.
		stats := memstats.heapStats.acquire()
		slotsUsed := int64(s.allocCount) - int64(s.allocCountBeforeCache)
		atomic.Xadd64(&stats.smallAllocCount[spc.sizeclass()], slotsUsed)

		// Flush tinyAllocs.
		if spc == tinySpanClass {
			atomic.Xadd64(&stats.tinyAllocCount, int64(c.tinyAllocs))
			c.tinyAllocs = 0
		}
		memstats.heapStats.release()

	work.tEnd = now
	atomic.Store64(&memstats.last_gc_unix, uint64(unixNow)) // must be Unix time to make sense to user
	atomic.Store64(&memstats.last_gc_nanotime, uint64(now)) // monotonic time for us
	memstats.pause_ns[memstats.numgc%uint32(len(memstats.pause_ns))] = uint64(work.pauseNS)
	memstats.pause_end[memstats.numgc%uint32(len(memstats.pause_end))] = uint64(unixNow)
	memstats.pause_total_ns += uint64(work.pauseNS)

	for a.full != nil {
		block := a.full
		a.full = block.next
		sysFree(unsafe.Pointer(block), unsafe.Sizeof(traceRegionAllocBlock{}), &memstats.other_sys)
	}
	if current := a.current.Load(); current != nil {
		sysFree(current, unsafe.Sizeof(traceRegionAllocBlock{}), &memstats.other_sys)
		a.current.Store(nil)
	}
	a.dropping.Store(false)

	return os.Args
}

func memstats() any {
	stats := new(runtime.MemStats)
	runtime.ReadMemStats(stats)
	return *stats
}

func init() {
	if godebug.New("httpmuxgo121").Value() == "1" {
		http.HandleFunc("/debug/vars", expvarHandler)
	} else {
		http.HandleFunc("GET /debug/vars", expvarHandler)
	}
	Publish("cmdline", Func(cmdline))
	Publish("memstats", Func(memstats))
}

var AtomicVariables = []unsafe.Pointer{
	unsafe.Pointer(&ncgocall),
	unsafe.Pointer(&test_z64),
	unsafe.Pointer(&blockprofilerate),
	unsafe.Pointer(&mutexprofilerate),
	unsafe.Pointer(&gcController),
	unsafe.Pointer(&memstats),
	unsafe.Pointer(&sched),
	unsafe.Pointer(&ticks),
	unsafe.Pointer(&work),

		println("second alloc: expected delta at least 9MB, got: ", delta)
	}
	runtime.KeepAlive(x)
}

func main() {
	x := inuse()
	f(new(big), x)
}

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

		dumpint(uint64(uintptr(unsafe.Pointer(mp))))
		dumpint(uint64(mp.id))
		dumpint(mp.procid)
	}
}

//go:systemstack
func dumpmemstats(m *MemStats) {
	assertWorldStopped()

	// These ints should be identical to the exported
	// MemStats structure and should be ordered the same
	// way too.
	dumpint(tagMemStats)
	dumpint(m.Alloc)
	dumpint(m.TotalAlloc)
	dumpint(m.Sys)
	dumpint(m.Lookups)

import (
	"internal/testenv"
	"os"
	"runtime"
	. "runtime/debug"
	"testing"
	"time"
)

func TestReadGCStats(t *testing.T) {
	defer SetGCPercent(SetGCPercent(-1))

	var stats GCStats
	var mstats runtime.MemStats
	var min, max time.Duration

	// First ReadGCStats will allocate, second should not,
	// especially if we follow up with an explicit garbage collection.
	stats.PauseQuantiles = make([]time.Duration, 10)