m.metricComputationErrorLabels[metricType] = append(m.metricComputationErrorLabels[metricType], err)
}

// waitUntilRecorded waits for the HPA controller to reconcile at least once.
func (m *mockMonitor) waitUntilRecorded(t *testing.T) {
	if err := wait.Poll(20*time.Millisecond, 100*time.Millisecond, func() (done bool, err error) {
		m.RWMutex.RLock()
		defer m.RWMutex.RUnlock()

				if ok {
					continue
				}
				client := client
				ng.Go(ctx, func() error {
					return client.CommitBinary(ctx)
				}, idx, *client.host)
			}

			for _, nerr := range ng.Wait() {
				if nerr.Err != nil {
					prs, ok := peerResults[nerr.Host.String()]
					if ok {
						prs.Err = nerr.Err.Error()
						peerResults[nerr.Host.String()] = prs
					} else {

func (db *DB) Stats() DBStats {
	wait := db.waitDuration.Load()

	db.mu.Lock()
	defer db.mu.Unlock()

	stats := DBStats{
		MaxOpenConnections: db.maxOpen,

		Idle:            len(db.freeConn),
		OpenConnections: db.numOpen,
		InUse:           db.numOpen - len(db.freeConn),

		WaitCount:         db.waitCount,
		WaitDuration:      time.Duration(wait),
		MaxIdleClosed:     db.maxIdleClosed,

    }
  }

  /** A reference to a value. */
  interface ValueReference<K, V> {
    /** Returns the value. Does not block or throw exceptions. */
    @CheckForNull
    V get();

    /**
     * Waits for a value that may still be loading. Unlike get(), this method can block (in the case
     * of FutureValueReference).
     *
     * @throws ExecutionException if the loading thread throws an exception

	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/apimachinery/pkg/runtime"
	"k8s.io/apimachinery/pkg/util/intstr"
	"k8s.io/apimachinery/pkg/util/sets"
	"k8s.io/apimachinery/pkg/util/uuid"
	"k8s.io/apimachinery/pkg/util/wait"
	"k8s.io/apiserver/pkg/storage/names"
	"k8s.io/client-go/informers"
	"k8s.io/client-go/kubernetes/fake"
	core "k8s.io/client-go/testing"
	"k8s.io/client-go/tools/cache"
	"k8s.io/client-go/tools/record"

        def cleaningBarrier = blockingHttpServer.expectAndBlock("cleaning")
        def cleaningBuild = executer.withTasks("waitForCleaningBarrier").withArgument("--no-daemon").start()

        then: 'cleaning build starts and waits on its barrier'
        cleaningBarrier.waitForAllPendingCalls()

        when: 'transforming build is started'
        def transformBarrier = blockingHttpServer.expectAndBlock("transform")

    }
  }

  /** A reference to a value. */
  interface ValueReference<K, V> {
    /** Returns the value. Does not block or throw exceptions. */
    @CheckForNull
    V get();

    /**
     * Waits for a value that may still be loading. Unlike get(), this method can block (in the case
     * of FutureValueReference).
     *
     * @throws ExecutionException if the loading thread throws an exception

String id=9
	data="sync.(*Cond).Wait"
String id=10
	data="sync"
String id=11
	data="chan send"
String id=12
	data="chan receive"
String id=13
	data="GC mark assist wait for work"
String id=14
	data="GC background sweeper wait"
String id=15
	data="system goroutine wait"
String id=16
	data="preempted"
String id=17
	data="wait for debug call"
String id=18

	if err := cmd.Start(); err != nil {
		b.Fatalf("subprocess failed to start: %v", err)
	}

	done := make(chan error, 1)
	go func() {
		done <- cmd.Wait()
		close(done)
	}()
	defer func() {
		cancel()
		<-done
	}()

	// Wait for the server in the child process to respond and tell us
	// its listening address, once it's started listening:
	bs := bufio.NewScanner(stdout)
	if !bs.Scan() {

			writeBlock(ctxt, out, ldr, syms, addr, length, pad)
		}

		// Prepare for the next loop.
		if idx != -1 {
			syms = syms[idx+1:]
		}
		written += length
		addr += length
	}
	wg.Wait()
}

func writeBlock(ctxt *Link, out *OutBuf, ldr *loader.Loader, syms []loader.Sym, addr, size int64, pad []byte) {

	st := ctxt.makeRelocSymState()