assert.Equal(t, uint64(0), getCPUWeight(nil))

	v := uint64(2)
	assert.Equal(t, uint64(1), getCPUWeight(&v))

	v = uint64(262144)
	assert.Equal(t, uint64(10000), getCPUWeight(&v))

	v = uint64(1000000000)
	assert.Equal(t, uint64(10000), getCPUWeight(&v))
}

func TestSoftRequirementsValidationSuccess(t *testing.T) {
	if cgroups.IsCgroup2UnifiedMode() {
		t.Skip("skipping cgroup v1 test on a cgroup v2 system")

	MOVV	$SYS_pipe2, R11
	SYSCALL
	MOVW	R4, errno+16(FP)
	RET

// func usleep(usec uint32)
TEXT runtime·usleep(SB),NOSPLIT,$16-4
	MOVWU	usec+0(FP), R7
	MOVV	$1000, R6
	MULVU	R6, R7, R7
	MOVV	$1000000000, R6

	DIVVU	R6, R7, R5	// ts->tv_sec
	REMVU	R6, R7, R4	// ts->tv_nsec
	MOVV	R5, 8(R3)
	MOVV	R4, 16(R3)

	// nanosleep(&ts, 0)
	ADDV	$8, R3, R4
	MOVV	R0, R5
	MOVV	$SYS_nanosleep, R11

	_CLOCK_MONOTONIC = 10
)

//go:nosplit
func nanotime1() int64 {
	tp := &timespec{}
	if clock_gettime(_CLOCK_REALTIME, tp) != 0 {
		throw("syscall clock_gettime failed")
	}
	return tp.tv_sec*1000000000 + tp.tv_nsec
}

func walltime() (sec int64, nsec int32) {
	ts := &timespec{}
	if clock_gettime(_CLOCK_REALTIME, ts) != 0 {
		throw("syscall clock_gettime failed")
	}
	return ts.tv_sec, int32(ts.tv_nsec)

        assertEquals("1.0 GB", format.format(_999_megabytes, ScaleUnit.GIGABYTE));

        long _1000_megabytes = 1000L * 1000L * 1000L;
        assertEquals("1.0 GB", format.format(_1000_megabytes));
        assertEquals("1000000000 B", format.format(_1000_megabytes, ScaleUnit.BYTE));
        assertEquals("1000000 kB", format.format(_1000_megabytes, ScaleUnit.KILOBYTE));
        assertEquals("1000 MB", format.format(_1000_megabytes, ScaleUnit.MEGABYTE));

			div: 2,
			ret: 4,
			rem: 0,
		},
		{
			num: 9,
			div: 2,
			ret: 4,
			rem: 1,
		},
		{
			// Used by runtime.check.
			num: 12345*1000000000 + 54321,
			div: 1000000000,
			ret: 12345,
			rem: 54321,
		},
		{
			num: 1<<32 - 1,
			div: 2,
			ret: 1<<31 - 1, // no overflow.
			rem: 1,
		},
		{
			num: 1 << 32,
			div: 2,

	// we cannot receive another signal.
	MOVD	40(R1), R6
	MOVD	R6, m_vdsoSP(R21)
	MOVD	32(R1), R6
	MOVD	R6, m_vdsoPC(R21)

return:
	// sec is in R3, nsec in R5
	// return nsec in R3
	MOVD	$1000000000, R4
	MULLD	R4, R3
	ADD	R5, R3
	MOVD	R3, ret+0(FP)
	RET

	// Syscall fallback
fallback:
	ADD	$32, R1, R4
	SYSCALL $SYS_clock_gettime
	MOVD	32(R1), R3
	MOVD	40(R1), R5
	JMP	return

	t0 := runtime.Nanotime1()
	var secrem uint32
	var nsecrem uint32
	total := time.Sec*1000000000 + time.Nsec
	elapsed := runtime.Nanotime1() - t0
	var rv int32
	var rc int32
	var err error
	// repeatedly sleep for 1 second until less than 1 second left
	for total-elapsed > 1000000000 {
		rv, rc, _ = BpxCondTimedWait(uint32(1), uint32(0), uint32(CW_CONDVAR), &secrem, &nsecrem)

func tempFile(ctx context.Context, dir, prefix string, perm fs.FileMode) (f *os.File, err error) {
	for i := 0; i < 10000; i++ {
		name := filepath.Join(dir, prefix+strconv.Itoa(rand.Intn(1000000000))+".tmp")
		f, err = os.OpenFile(name, os.O_RDWR|os.O_CREATE|os.O_EXCL, perm)
		if os.IsExist(err) {
			if ctx.Err() != nil {
				return nil, ctx.Err()
			}
			continue
		}
		break
	}
	return

		expected      uint64
	}{
		{latestValue: uint64(0), previousValue: uint64(0), expected: uint64(0)},
		{latestValue: uint64(2000000000), previousValue: uint64(0), expected: uint64(200000000 * perfCounterUpdatePeriodSeconds)},
		{latestValue: uint64(5000000000), previousValue: uint64(2000000000), expected: uint64(300000000 * perfCounterUpdatePeriodSeconds)},
	}

	for _, tc := range testCases {
		p := perfCounterNodeStatsClient{}

			// Node2 scores on 0-MaxNodeScore scale
			// CPU Fraction: 6000 / 10000 = 60%
			// Memory Fraction: 10000 / 20000 = 50%
			// Node2 std: (0.6 - 0.5) / 2 = 0.05
			// Node2 Score: (1 - 0.05)*MaxNodeScore = 95
			pod:          &v1.Pod{Spec: cpuAndMemory},
			nodes:        []*v1.Node{makeNode("node1", 10000, 20000, nil), makeNode("node2", 10000, 20000, nil)},
			expectedList: []framework.NodeScore{{Name: "node1", Score: 82}, {Name: "node2", Score: 95}},