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)
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)
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)
def cmd_test_msr(args):
if args.cpu is not None:
args.cpu = bits.cpus()[args.cpu]
return testmsr.test_msr(**vars(args))
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)