예제 #1
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파일: cpu_jkt.py 프로젝트: Tourountzis/bits
def power_opt_low_power_profile():
    # If CPUID.06H:ECX.SETBH[bit 3] is set, then the processor supports
    # performance-energy bias preference and IA32_ENERGY_PERF_BIAS (1B0H) MSR
    setbh = (bits.cpuid(bits.bsp_apicid(),6).ecx >> 3) & 1
    if not setbh:
        return
    testmsr.test_msr_consistency("Energy Performance Bias", 0x1b0, mask=0xf)
    testmsr.test_msr("Energy Performance Bias 12-15", 0x1b0, expected_value=3, shift=2, mask=3)
예제 #2
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def test_pm_generic_profile():
    testmsr.test_msr_consistency("Max non-turbo ratio must be consistent",
                                 0xce,
                                 mask=0xff00)
    testpci.test_pci("Bus master disable",
                     0,
                     31,
                     0,
                     0xa9,
                     bytes=1,
                     shift=2,
                     mask=1,
                     expected_value=1)
    testmsr.test_msr("C1 Auto Undemotion Enable",
                     0xe2,
                     shift=28,
                     mask=1,
                     expected_value=1)
    testmsr.test_msr("C3 Auto Undemotion Enable",
                     0xe2,
                     shift=27,
                     mask=1,
                     expected_value=1)
    testmsr.test_msr("C1 Auto Demotion Enable",
                     0xe2,
                     shift=26,
                     mask=1,
                     expected_value=1)
    testmsr.test_msr("C3 Auto Demotion Enable",
                     0xe2,
                     shift=25,
                     mask=1,
                     expected_value=1)
    testmsr.test_msr("IO MWAIT Redirection Enable",
                     0xe2,
                     shift=10,
                     mask=1,
                     expected_value=1)
    testmsr.test_msr("C1E Enable", 0x1fc, shift=1, mask=1, expected_value=1)
    testmsr.test_msr("EIST Enable", 0x1a0, shift=16, mask=1, expected_value=1)
    testmsr.test_msr("Turbo Enable", 0x1a0, shift=38, mask=1, expected_value=0)
    testmsr.test_msr("EIST Hardware Coordination Enable",
                     0x1aa,
                     mask=1,
                     expected_value=0)
    testmsr.test_msr_consistency("IO Capture C-state Range Consistent",
                                 0xe4,
                                 shift=16,
                                 mask=7)
    io_capture_range, io_capture_range_str = testmsr.MSR(
        "IO Capture C-state Range", bits.bsp_apicid(), 0xe4, 18, 16)
    testsuite.test("IO Capture C-state Range <= 2", io_capture_range <= 2)
    testsuite.print_detail(io_capture_range_str)
예제 #3
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def power_opt_low_power_profile():
    # If CPUID.06H:ECX.SETBH[bit 3] is set, then the processor supports
    # performance-energy bias preference and IA32_ENERGY_PERF_BIAS (1B0H) MSR
    setbh = (bits.cpuid(bits.bsp_apicid(), 6).ecx >> 3) & 1
    if not setbh:
        return
    testmsr.test_msr_consistency("Energy Performance Bias", 0x1b0, mask=0xf)
    testmsr.test_msr("Energy Performance Bias 12-15",
                     0x1b0,
                     expected_value=3,
                     shift=2,
                     mask=3)
예제 #4
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파일: cpu_nhm.py 프로젝트: Tourountzis/bits
def test_pm_generic_profile():
    testmsr.test_msr_consistency("Max non-turbo ratio must be consistent", 0xce, mask=0xff00)
    testpci.test_pci("Bus master disable", 0, 31, 0, 0xa9, bytes=1, shift=2, mask=1, expected_value=1)
    testmsr.test_msr("C1 Auto Demotion Enable", 0xe2, shift=26, mask=1, expected_value=1)
    testmsr.test_msr("C3 Auto Demotion Enable", 0xe2, shift=25, mask=1, expected_value=1)
    testmsr.test_msr("IO MWAIT Redirection Enable", 0xe2, shift=10, mask=1, expected_value=1)
    testmsr.test_msr("C1E Enable", 0x1fc, shift=1, mask=1, expected_value=1)
    testmsr.test_msr("EIST Enable", 0x1a0, shift=16, mask=1, expected_value=1)
    testmsr.test_msr("Turbo Enable", 0x1a0, shift=38, mask=1, expected_value=0)
    testmsr.test_msr("EIST Hardware Coordination Enable", 0x1aa, mask=1, expected_value=0)
    testmsr.test_msr_consistency("IO Capture C-state Range Consistent", 0xe4, shift=16, mask=7)
    io_capture_range, io_capture_range_str = testmsr.MSR("IO Capture C-state Range", bits.bsp_apicid(), 0xe4, 18, 16)
    testsuite.test("IO Capture C-state Range <= 2", io_capture_range <= 2)
    testsuite.print_detail(io_capture_range_str)
예제 #5
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파일: testsmrr.py 프로젝트: kirkboy/bits
def test_smrr():
    """Test the SMRR-related configuration"""
    cpus = sorted(bits.cpus())
    if not testmsr.test_msr_consistency(
        text="IA32_MTRRCAP Bit [11] (SMRR Supported) must be consistent", first_msr=0xFE, shift=11, mask=1
    ):
        return
    ia32_mtrrcap = bits.rdmsr(cpus[0], 0xFE)
    if ia32_mtrrcap is not None and not ia32_mtrrcap & (1 << 11):
        return
    if testmsr.msr_available(0x1F2) and testmsr.msr_available(0x1F3):
        MSR_SMRR_PHYS_BASE = 0x1F2
        MSR_SMRR_PHYS_MASK = 0x1F3
    elif testmsr.msr_available(0xA0) and testmsr.msr_available(0xA1):
        MSR_SMRR_PHYS_BASE = 0xA0
        MSR_SMRR_PHYS_MASK = 0xA1
        return
    else:
        return
    testmsr.test_msr_consistency(
        text="SMRR must be consistent across all processors", first_msr=MSR_SMRR_PHYS_BASE, last_msr=MSR_SMRR_PHYS_MASK
    )
    for apicid in cpus:
        smrr_physbase, smrr_physbase_str = testmsr.MSR("SMRR Physbase", apicid, MSR_SMRR_PHYS_BASE, 31, 12)
        smrr_type, smrr_type_str = testmsr.MSR("SMRR Type", apicid, MSR_SMRR_PHYS_BASE, 2, 0)
        smrr_physmask, smrr_physmask_str = testmsr.MSR("SMRR Physmask", apicid, MSR_SMRR_PHYS_MASK, 31, 12)
        smrr_valid, smrr_valid_str = testmsr.MSR("SMRR Valid", apicid, MSR_SMRR_PHYS_MASK, 11, 11)
        testsuite.test("SMRR_PHYSBASE must be aligned on an 8MB boundary", (smrr_physbase % 0x800) == 0)
        testsuite.print_detail(smrr_physbase_str)
        testsuite.print_detail("SMRR_PHYSBASE % 0x800 must be 0")
        testsuite.test("SMRR Type must be Write-Back (Best performance)", smrr_type == 6)
        testsuite.print_detail(smrr_type_str)
        testsuite.print_detail("SMRR Type must be 6")
        testsuite.test("SMRR size must be at least 8MB", smrr_physmask >= 0x800)
        testsuite.print_detail(smrr_physmask_str)
        testsuite.print_detail("SMRR Physmask must be >= 0x800")
        testsuite.test("SMRR Valid bit must be 1", smrr_valid)
        testsuite.print_detail(smrr_valid_str)
예제 #6
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파일: grubcmds.py 프로젝트: kirkboy/bits
def cmd_test_msr_consistency(args):
    return testmsr.test_msr_consistency(**vars(args))