96420a30e0
with some rewording in tests/qemu-iotests/298 tests/qtest/fuzz/generic_fuzz.c tests/unit/test-throttle.c as suggested by Eric. Signed-off-by: Michael Tokarev <mjt@tls.msk.ru> Reviewed-by: Eric Blake <eblake@redhat.com>
288 lines
14 KiB
Plaintext
288 lines
14 KiB
Plaintext
# Copyright (c) 2015, Intel Corporation
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# All rights reserved.
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#
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# SPDX-License-Identifier: BSD-3-Clause
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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# * Neither the name of Intel Corporation nor the names of its contributors
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# may be used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# This script runs only from the biosbits VM.
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"""Tests for ACPI"""
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import acpi
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import bits
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import bits.mwait
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import struct
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import testutil
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import testsuite
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import time
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def register_tests():
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testsuite.add_test("ACPI _MAT (Multiple APIC Table Entry) under Processor objects", test_mat, submenu="ACPI Tests")
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# testsuite.add_test("ACPI _PSS (Pstate) table conformance tests", test_pss, submenu="ACPI Tests")
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# testsuite.add_test("ACPI _PSS (Pstate) runtime tests", test_pstates, submenu="ACPI Tests")
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testsuite.add_test("ACPI DSDT (Differentiated System Description Table)", test_dsdt, submenu="ACPI Tests")
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testsuite.add_test("ACPI FACP (Fixed ACPI Description Table)", test_facp, submenu="ACPI Tests")
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testsuite.add_test("ACPI HPET (High Precision Event Timer Table)", test_hpet, submenu="ACPI Tests")
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testsuite.add_test("ACPI MADT (Multiple APIC Description Table)", test_apic, submenu="ACPI Tests")
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testsuite.add_test("ACPI MPST (Memory Power State Table)", test_mpst, submenu="ACPI Tests")
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testsuite.add_test("ACPI RSDP (Root System Description Pointer Structure)", test_rsdp, submenu="ACPI Tests")
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testsuite.add_test("ACPI XSDT (Extended System Description Table)", test_xsdt, submenu="ACPI Tests")
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def test_mat():
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cpupaths = acpi.get_cpupaths()
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apic = acpi.parse_apic()
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procid_apicid = apic.procid_apicid
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uid_x2apicid = apic.uid_x2apicid
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for cpupath in cpupaths:
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# Find the ProcId defined by the processor object
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processor = acpi.evaluate(cpupath)
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# Find the UID defined by the processor object's _UID method
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uid = acpi.evaluate(cpupath + "._UID")
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mat_buffer = acpi.evaluate(cpupath + "._MAT")
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if mat_buffer is None:
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continue
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# Process each _MAT subtable
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mat = acpi._MAT(mat_buffer)
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for index, subtable in enumerate(mat):
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if subtable.subtype == acpi.MADT_TYPE_LOCAL_APIC:
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if subtable.flags.bits.enabled:
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testsuite.test("{} Processor declaration ProcId = _MAT ProcId".format(cpupath), processor.ProcId == subtable.proc_id)
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testsuite.print_detail("{} ProcId ({:#02x}) != _MAT ProcId ({:#02x})".format(cpupath, processor.ProcId, subtable.proc_id))
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testsuite.print_detail("Processor Declaration: {}".format(processor))
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testsuite.print_detail("_MAT entry[{}]: {}".format(index, subtable))
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if testsuite.test("{} with local APIC in _MAT has local APIC in MADT".format(cpupath), processor.ProcId in procid_apicid):
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testsuite.test("{} ApicId derived using Processor declaration ProcId = _MAT ApicId".format(cpupath), procid_apicid[processor.ProcId] == subtable.apic_id)
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testsuite.print_detail("{} ApicId derived from MADT ({:#02x}) != _MAT ApicId ({:#02x})".format(cpupath, procid_apicid[processor.ProcId], subtable.apic_id))
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testsuite.print_detail("Processor Declaration: {}".format(processor))
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testsuite.print_detail("_MAT entry[{}]: {}".format(index, subtable))
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if subtable.subtype == acpi.MADT_TYPE_LOCAL_X2APIC:
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if subtable.flags.bits.enabled:
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if testsuite.test("{} with x2Apic in _MAT has _UID".format(cpupath), uid is not None):
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testsuite.test("{}._UID = _MAT UID".format(cpupath), uid == subtable.uid)
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testsuite.print_detail("{}._UID ({:#x}) != _MAT UID ({:#x})".format(cpupath, uid, subtable.uid))
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testsuite.print_detail("_MAT entry[{}]: {}".format(index, subtable))
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if testsuite.test("{} with _MAT x2Apic has x2Apic in MADT".format(cpupath), subtable.uid in uid_x2apicid):
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testsuite.test("{} x2ApicId derived from MADT using UID = _MAT x2ApicId".format(cpupath), uid_x2apicid[subtable.uid] == subtable.x2apicid)
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testsuite.print_detail("{} x2ApicId derived from MADT ({:#02x}) != _MAT x2ApicId ({:#02x})".format(cpupath, uid_x2apicid[subtable.uid], subtable.x2apicid))
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testsuite.print_detail("_MAT entry[{}]: {}".format(index, subtable))
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def test_pss():
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uniques = acpi.parse_cpu_method("_PSS")
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# We special-case None here to avoid a double-failure for CPUs without a _PSS
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testsuite.test("_PSS must be identical for all CPUs", len(uniques) <= 1 or (len(uniques) == 2 and None in uniques))
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for pss, cpupaths in uniques.iteritems():
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if not testsuite.test("_PSS must exist", pss is not None):
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testsuite.print_detail(acpi.factor_commonprefix(cpupaths))
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testsuite.print_detail('No _PSS exists')
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continue
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if not testsuite.test("_PSS must not be empty", pss.pstates):
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testsuite.print_detail(acpi.factor_commonprefix(cpupaths))
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testsuite.print_detail('_PSS is empty')
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continue
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testsuite.print_detail(acpi.factor_commonprefix(cpupaths))
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for index, pstate in enumerate(pss.pstates):
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testsuite.print_detail("P[{}]: {}".format(index, pstate))
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testsuite.test("_PSS must contain at most 16 Pstates", len(pss.pstates) <= 16)
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testsuite.test("_PSS must have no duplicate Pstates", len(pss.pstates) == len(set(pss.pstates)))
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frequencies = [p.core_frequency for p in pss.pstates]
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testsuite.test("_PSS must list Pstates in descending order of frequency", frequencies == sorted(frequencies, reverse=True))
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testsuite.test("_PSS must have Pstates with no duplicate frequencies", len(frequencies) == len(set(frequencies)))
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dissipations = [p.power for p in pss.pstates]
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testsuite.test("_PSS must list Pstates in descending order of power dissipation", dissipations == sorted(dissipations, reverse=True))
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def test_pstates():
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"""Execute and verify frequency for each Pstate in the _PSS"""
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IA32_PERF_CTL = 0x199
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with bits.mwait.use_hint(), bits.preserve_msr(IA32_PERF_CTL):
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cpupath_procid = acpi.find_procid()
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cpupath_uid = acpi.find_uid()
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apic = acpi.parse_apic()
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procid_apicid = apic.procid_apicid
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uid_x2apicid = apic.uid_x2apicid
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def cpupath_apicid(cpupath):
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if procid_apicid is not None:
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procid = cpupath_procid.get(cpupath, None)
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if procid is not None:
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apicid = procid_apicid.get(procid, None)
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if apicid is not None:
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return apicid
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if uid_x2apicid is not None:
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uid = cpupath_uid.get(cpupath, None)
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if uid is not None:
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apicid = uid_x2apicid.get(uid, None)
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if apicid is not None:
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return apicid
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return bits.cpus()[0]
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bclk = testutil.adjust_to_nearest(bits.bclk(), 100.0/12) * 1000000
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uniques = acpi.parse_cpu_method("_PSS")
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for pss, cpupaths in uniques.iteritems():
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if not testsuite.test("_PSS must exist", pss is not None):
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testsuite.print_detail(acpi.factor_commonprefix(cpupaths))
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testsuite.print_detail('No _PSS exists')
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continue
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for n, pstate in enumerate(pss.pstates):
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for cpupath in cpupaths:
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apicid = cpupath_apicid(cpupath)
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if apicid is None:
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print 'Failed to find apicid for cpupath {}'.format(cpupath)
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continue
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bits.wrmsr(apicid, IA32_PERF_CTL, pstate.control)
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# Detecting Turbo frequency requires at least 2 pstates
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# since turbo frequency = max non-turbo frequency + 1
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turbo = False
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if len(pss.pstates) >= 2:
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turbo = (n == 0 and pstate.core_frequency == (pss.pstates[1].core_frequency + 1))
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if turbo:
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# Needs to busywait, not sleep
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start = time.time()
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while (time.time() - start < 2):
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pass
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for duration in (0.1, 1.0):
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frequency_data = bits.cpu_frequency(duration)
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# Abort the test if no cpu frequency is not available
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if frequency_data is None:
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continue
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aperf = frequency_data[1]
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aperf = testutil.adjust_to_nearest(aperf, bclk/2)
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aperf = int(aperf / 1000000)
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if turbo:
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if aperf >= pstate.core_frequency:
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break
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else:
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if aperf == pstate.core_frequency:
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break
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if turbo:
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testsuite.test("P{}: Turbo measured frequency {} >= expected {} MHz".format(n, aperf, pstate.core_frequency), aperf >= pstate.core_frequency)
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else:
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testsuite.test("P{}: measured frequency {} MHz == expected {} MHz".format(n, aperf, pstate.core_frequency), aperf == pstate.core_frequency)
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def test_psd_thread_scope():
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uniques = acpi.parse_cpu_method("_PSD")
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if not testsuite.test("_PSD (P-State Dependency) must exist for each processor", None not in uniques):
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testsuite.print_detail(acpi.factor_commonprefix(uniques[None]))
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testsuite.print_detail('No _PSD exists')
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return
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unique_num_dependencies = {}
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unique_num_entries = {}
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unique_revision = {}
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unique_domain = {}
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unique_coordination_type = {}
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unique_num_processors = {}
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for value, cpupaths in uniques.iteritems():
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unique_num_dependencies.setdefault(len(value.dependencies), []).extend(cpupaths)
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unique_num_entries.setdefault(value.dependencies[0].num_entries, []).extend(cpupaths)
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unique_revision.setdefault(value.dependencies[0].revision, []).extend(cpupaths)
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unique_domain.setdefault(value.dependencies[0].domain, []).extend(cpupaths)
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unique_coordination_type.setdefault(value.dependencies[0].coordination_type, []).extend(cpupaths)
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unique_num_processors.setdefault(value.dependencies[0].num_processors, []).extend(cpupaths)
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def detail(d, fmt):
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for value, cpupaths in sorted(d.iteritems(), key=(lambda (k,v): v)):
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testsuite.print_detail(acpi.factor_commonprefix(cpupaths))
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testsuite.print_detail(fmt.format(value))
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testsuite.test('Dependency count for each processor must be 1', unique_num_dependencies.keys() == [1])
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detail(unique_num_dependencies, 'Dependency count for each processor = {} (Expected 1)')
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testsuite.test('_PSD.num_entries must be 5', unique_num_entries.keys() == [5])
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detail(unique_num_entries, 'num_entries = {} (Expected 5)')
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testsuite.test('_PSD.revision must be 0', unique_revision.keys() == [0])
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detail(unique_revision, 'revision = {}')
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testsuite.test('_PSD.coordination_type must be 0xFE (HW_ALL)', unique_coordination_type.keys() == [0xfe])
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detail(unique_coordination_type, 'coordination_type = {:#x} (Expected 0xFE HW_ALL)')
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testsuite.test('_PSD.domain must be unique (thread-scoped) for each processor', len(unique_domain) == len(acpi.get_cpupaths()))
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detail(unique_domain, 'domain = {:#x} (Expected a unique value for each processor)')
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testsuite.test('_PSD.num_processors must be 1', unique_num_processors.keys() == [1])
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detail(unique_num_processors, 'num_processors = {} (Expected 1)')
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def test_table_checksum(data):
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csum = sum(ord(c) for c in data) % 0x100
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testsuite.test('ACPI table cumulative checksum must equal 0', csum == 0)
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testsuite.print_detail("Cumulative checksum = {} (Expected 0)".format(csum))
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def test_apic():
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data = acpi.get_table("APIC")
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if data is None:
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return
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test_table_checksum(data)
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apic = acpi.parse_apic()
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def test_dsdt():
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data = acpi.get_table("DSDT")
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if data is None:
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return
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test_table_checksum(data)
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def test_facp():
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data = acpi.get_table("FACP")
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if data is None:
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return
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test_table_checksum(data)
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facp = acpi.parse_facp()
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def test_hpet():
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data = acpi.get_table("HPET")
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if data is None:
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return
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test_table_checksum(data)
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hpet = acpi.parse_hpet()
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def test_mpst():
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data = acpi.get_table("MPST")
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if data is None:
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return
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test_table_checksum(data)
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mpst = acpi.MPST(data)
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def test_rsdp():
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data = acpi.get_table("RSD PTR ")
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if data is None:
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return
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# Checksum the first 20 bytes per ACPI 1.0
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csum = sum(ord(c) for c in data[:20]) % 0x100
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testsuite.test('ACPI 1.0 table first 20 bytes cumulative checksum must equal 0', csum == 0)
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testsuite.print_detail("Cumulative checksum = {} (Expected 0)".format(csum))
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test_table_checksum(data)
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rsdp = acpi.parse_rsdp()
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def test_xsdt():
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data = acpi.get_table("XSDT")
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if data is None:
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return
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test_table_checksum(data)
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xsdt = acpi.parse_xsdt()
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