assert.Equal(t, c.cm.PodPidsLimit, got.podPidsLimit)
				assert.Equal(t, c.cm.EnforceCPULimits, got.enforceCPULimits)
				assert.Equal(t, uint64(c.cm.CPUCFSQuotaPeriod/time.Microsecond), got.cpuCFSQuotaPeriod)

			} else {
				assert.IsType(t, &podContainerManagerNoop{}, pcm)
				got := pcm.(*podContainerManagerNoop)
				assert.Equal(t, c.cm.cgroupRoot, got.cgroupRoot)
			}
		})
	}

	)

	wg.Add(2)
	go func() {
		for !stop.Load() {
			c <- true
		}
		close(c)
		wg.Done()
	}()
	go func() {
		for range c {
		}
		wg.Done()
	}()

	AfterFunc(1*Microsecond, func() { stop.Store(true) })
	wg.Wait()
}

func benchmark(b *testing.B, bench func(*testing.PB)) {
	// Create equal number of garbage timers on each P before starting
	// the benchmark.

					Timeout: &metav1.Duration{
						Duration: 1234 * time.Microsecond,
					},
				},
				Timeouts: &kubeadmapi.Timeouts{
					Discovery: &metav1.Duration{},
				},
			}},
			expected: []any{&kubeadmapi.JoinConfiguration{
				Timeouts: &kubeadmapi.Timeouts{
					Discovery: &metav1.Duration{
						Duration: 1234 * time.Microsecond,
					},
				},
			}},
		},
		{

	// Override the default timeouts to be shorter
	defaultTimeouts := kubeadmapi.GetActiveTimeouts()
	defaultAPICallTimeout := defaultTimeouts.KubernetesAPICall
	defaultTimeouts.KubernetesAPICall = &metav1.Duration{Duration: time.Microsecond * 500}
	defer func() {
		defaultTimeouts.KubernetesAPICall = defaultAPICallTimeout
	}()

	for _, tc := range testCases {
		t.Run(tc.name, func(t *testing.T) {

	a.AuthenticateToken(context.Background(), "bad2")
	a.AuthenticateToken(context.Background(), "bad3")
	fakeClock.Step(2 * time.Microsecond)
	a.AuthenticateToken(context.Background(), "bad1")
	a.AuthenticateToken(context.Background(), "bad2")
	a.AuthenticateToken(context.Background(), "bad3")
	fakeClock.Step(2 * time.Microsecond)
	if !reflect.DeepEqual(calledWithToken, []string{"bad1", "bad2", "bad3", "bad1", "bad2", "bad3"}) {

	defer wg.Wait()

	// Build up the timer heap.
	const count = 5000
	wg.Add(count)
	for range count {
		go func() {
			defer wg.Done()
			Sleep(10 * Microsecond)
		}()
	}
	for range count {
		Sleep(1 * Microsecond)
	}

	// Give ourselves 60 seconds to complete.
	// This used to reliably fail on a Mac M3 laptop,
	// which needed 77 seconds.

				if err := pod.Create(client); err != nil {
					t.Errorf("error setting up test creating pod for node %q", pod.NodeName)
				}
			}
			endpoints, err := getEtcdEndpointsWithRetry(client, time.Microsecond*10, time.Millisecond*100)
			if err != nil && !rt.expectedErr {
				t.Errorf("got error %q; was expecting no errors", err)
				return
			} else if err == nil && rt.expectedErr {

		t.Fatal(err)
	}
	return data
}

func sumExecutionTime(data format.Data) (sum time.Duration) {
	for _, e := range data.Events {
		sum += time.Duration(e.Dur) * time.Microsecond
	}
	return
}

func getTestTrace(t *testing.T, testPath string) *parsedTrace {
	t.Helper()

	// First read in the text trace and write it out as bytes.
	f, err := os.Open(testPath)

}

type Timespec struct {
	Sec  int32
	Nsec int32
}

type Timeval struct {
	Sec  int32
	Usec int32
}

func NsecToTimeval(nsec int64) (tv Timeval) {
	nsec += 999 // round up to microsecond
	tv.Usec = int32(nsec % 1e9 / 1e3)
	tv.Sec = int32(nsec / 1e9)
	return
}

func nsec() int64 {
	var scratch int64

	r0, _, _ := Syscall(SYS_NSEC, uintptr(unsafe.Pointer(&scratch)), 0, 0)

	{"1.0040s", 1*Second + 4*Millisecond},
	{"100.00100s", 100*Second + 1*Millisecond},
	// different units
	{"10ns", 10 * Nanosecond},
	{"11us", 11 * Microsecond},
	{"12µs", 12 * Microsecond}, // U+00B5
	{"12μs", 12 * Microsecond}, // U+03BC
	{"13ms", 13 * Millisecond},
	{"14s", 14 * Second},
	{"15m", 15 * Minute},
	{"16h", 16 * Hour},
	// composite durations
	{"3h30m", 3*Hour + 30*Minute},