assertEquals("1000", FessFunctions.formatFileSize(1000));
        assertEquals("976.6K", FessFunctions.formatFileSize(1000000));
        assertEquals("953.7M", FessFunctions.formatFileSize(1000000000));
        assertEquals("931.3G", FessFunctions.formatFileSize(1000000000000L));
        assertEquals("909.5T", FessFunctions.formatFileSize(1000000000000000L));
    }

    public void test_parseDate() {

	BEQ	T0, ZERO, ok
	NEG	A0, A0
ok:
	MOVW	A0, ret+24(FP)
	RET

// func usleep(usec uint32)
TEXT runtime·usleep(SB),NOSPLIT,$24-4
	MOVWU	usec+0(FP), A0
	MOV	$1000, A1
	MUL	A1, A0, A0
	MOV	$1000000000, A1
	DIV	A1, A0, A2
	MOV	A2, 8(X2)
	REM	A1, A0, A3
	MOV	A3, 16(X2)
	ADD	$8, X2, A0
	MOV	ZERO, A1
	MOV	$SYS_nanosleep, T0
	ECALL
	RET

// func thr_self() thread

	MOVL	$CLOCK_MONOTONIC, 4(SP)	// arg 1 - clock_id
	MOVL	BX, 8(SP)		// arg 2 - tp
	MOVL	$SYS___clock_gettime50, AX
	INT	$0x80

	MOVL	16(SP), CX		// sec - h32
	IMULL	$1000000000, CX

	MOVL	12(SP), AX		// sec - l32
	MOVL	$1000000000, BX
	MULL	BX			// result in dx:ax

	MOVL	20(SP), BX		// nsec
	ADDL	BX, AX
	ADCL	CX, DX			// add high bits with carry

	MOVL	AX, ret_lo+0(FP)
	MOVL	DX, ret_hi+4(FP)

		throw("sem_init")
	}
	mp.waitsema = uintptr(unsafe.Pointer(sem))
}

//go:nosplit
func semasleep(ns int64) int32 {
	mp := getg().m
	if ns >= 0 {
		mp.ts.tv_sec = ns / 1000000000
		mp.ts.tv_nsec = ns % 1000000000

		mp.libcall.fn = uintptr(unsafe.Pointer(&libc_sem_reltimedwait_np))
		mp.libcall.n = 2
		mp.scratch = mscratch{}
		mp.scratch.v[0] = mp.waitsema

	MOVL	$-1, ret_hi+8(FP)
	RET

// func walltime() (sec int64, nsec int32)
TEXT runtime·walltime(SB),NOSPLIT,$8-12
	CALL	runtime·nanotime1(SB)
	MOVL	0(SP), AX
	MOVL	4(SP), DX

	MOVL	$1000000000, CX
	DIVL	CX
	MOVL	AX, sec_lo+0(FP)
	MOVL	$0, sec_hi+4(FP)
	MOVL	DX, nsec+8(FP)
	RET

TEXT runtime·notify(SB),NOSPLIT,$0
	MOVL	$28, AX
	INT	$64
	MOVL	AX, ret+4(FP)
	RET

	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

	// unscale by discarding low 32 bits, shifting the rest by 29
	MOVW	R6>>29,R6		// R6:R7 = (R5:R6:R7 >> 61)
	ORR	R7<<3,R6
	MOVW	R7>>29,R7

	// subtract (10**9 * sec) from nsec to get nanosecond remainder
	MOVW	$1000000000, R5		// 10**9
	MULLU	R6,R5,(R9,R8)		// R8:R9 = R6:R7 * R5
	MULA	R7,R5,R9,R9
	SUB.S	R8,R1			// R1:R2 -= R8:R9
	SBC	R9,R2

	// because reciprocal was a truncated repeating fraction, quotient

	_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));