if debug.dontfreezetheworld > 0 {
		// Don't prempt Ps to stop goroutines. That will perturb
		// scheduler state, making debugging more difficult. Instead,
		// allow goroutines to continue execution.
		//
		// fatalpanic will tracebackothers to trace all goroutines. It
		// is unsafe to trace a running goroutine, so tracebackothers
		// will skip running goroutines. That is OK and expected, we

	growth := nfinal - n0

	// We expect 0 or 1 extra goroutine, empirically. Allow up to 5.
	// Previously we were leaking one per numReq.
	if int(growth) > 5 {
		t.Logf("goroutine growth: %d -> %d -> %d (delta: %d)", n0, nhigh, nfinal, growth)
		t.Error("too many new goroutines")
	}
}

// golang.org/issue/4531: Transport leaks goroutines when
// request.ContentLength is explicitly short

// development. Any error means the connection is dead and we should
// down its context.
//
// It may be called from multiple goroutines.
func (cr *connReader) handleReadError(_ error) {
	cr.conn.cancelCtx()
	cr.closeNotify()
}

// may be called from multiple goroutines.
func (cr *connReader) closeNotify() {
	res := cr.conn.curReq.Load()
	if res != nil && !res.didCloseNotify.Swap(true) {

	// Used to signal the need for new connections
	// a goroutine running connectionOpener() reads on this chan and
	// maybeOpenNewConnections sends on the chan (one send per needed connection)
	// It is closed during db.Close(). The close tells the connectionOpener
	// goroutine to exit.
	openerCh          chan struct{}
	closed            bool
	dep               map[finalCloser]depSet

ulti","sort":"none"}},"pluginVersion":"10.1.5","targets":[{"datasource":{"type":"prometheus","uid":"${datasource}"},"expr":"go_goroutines{app=\"istiod\"}","format":"time_series","intervalFactor":2,"legendFormat":"Number of Goroutines","refId":"A","step":2}],"title":"Goroutines","type":"timeseries"}],"refresh":"","schemaVersion":38,"style":"dark","tags":[],"templating":{"list":[{"hide":0,"includeAll":false,"multi":false,"name":"datasource","options":[],"query":"prometheus","queryValue":"","refres...

	cpuSubsystem              MetricSubsystem = "cpu_avg"
	storageClassSubsystem     MetricSubsystem = "storage_class"
	fileDescriptorSubsystem   MetricSubsystem = "file_descriptor"
	goRoutines                MetricSubsystem = "go_routine"
	ioSubsystem               MetricSubsystem = "io"
	nodesSubsystem            MetricSubsystem = "nodes"
	objectsSubsystem          MetricSubsystem = "objects"

		testenv.SkipFlaky(t, 24826)
	}

	goroutines := 5
	requests := 2000
	if testing.Short() {
		goroutines = 3
		requests = 100
	}

	hts := newClientServerTest(t, mode, HandlerFunc(NotFound)).ts

	reqBytes := []byte("GET / HTTP/1.1\r\nHost: e.com\r\n\r\n")

	var wg sync.WaitGroup
	for i := 0; i < goroutines; i++ {
		wg.Add(1)
		go func() {
			defer wg.Done()

				t.Fatal(err)
			}
			createPodIndex++
		}
	}

	// Following we start 2 goroutines asynchronously to detect potential racing issues:
	// 1) One is responsible for deleting several nodes in each round;
	// 2) Another is creating several pods in each round to trigger scheduling;
	// Those two goroutines will stop until ctx.Done() is called, which means all waiting pods are scheduled at least once.

		if err != nil {
			t.Error(err)
			return
		}
		r.Close()
		wg.Done()
	}()
	// Wait until the goroutine we've just created has started waiting.
	<-drv.waitingCh
	// Now close the busy connections. This provides a connection for
	// the blocked goroutine and then fills up the idle queue.
	for _, v := range rows {
		v.Close()
	}

// packageDataCache maps canonical package names (string) to package metadata.
var packageDataCache par.ErrCache[string, *build.Package]

// preloadWorkerCount is the number of concurrent goroutines that can load
// packages. Experimentally, there are diminishing returns with more than
// 4 workers. This was measured on the following machines.
//
// * MacBookPro with a 4-core Intel Core i7 CPU