def test_doc_examples(cpu_all_online):
siblings = [
CpuSiblings(context_wrap("0,2", path=SIBLINGS_PATH.format(0))),
CpuSiblings(context_wrap("1,3", path=SIBLINGS_PATH.format(1))),
CpuSiblings(context_wrap("0,2", path=SIBLINGS_PATH.format(2))),
CpuSiblings(context_wrap("1,3", path=SIBLINGS_PATH.format(3)))
]
env = {
"cpu_topology": CpuTopology(cpu_all_online, siblings),
}
failed, total = doctest.testmod(smt, globs=env)
assert failed == 0
def test_without_hyperthreading_all_online_missing_cpu0_online_file():
online = [
CpuCoreOnline(context_wrap("1", path=ONLINE_PATH.format(1))),
]
siblings = [
CpuSiblings(context_wrap("0", path=SIBLINGS_PATH.format(0))),
CpuSiblings(context_wrap("1", path=SIBLINGS_PATH.format(1)))
]
cpu_topology = CpuTopology(online, siblings)
assert cpu_topology.online(0)
assert cpu_topology.siblings(0) == [0]
assert cpu_topology.online(1)
assert cpu_topology.siblings(1) == [1]
assert cpu_topology.all_solitary
def test_cpu_siblings():
with pytest.raises(SkipException):
CpuSiblings(context_wrap(""))
path = "/sys/devices/system/cpu/cpu{0}/topology/thread_siblings_list"
p = CpuSiblings(context_wrap("0,2", path=path.format(0)))
assert p.core_id == 0
assert p.siblings == [0, 2]
assert repr(p) == "[Core 0 Siblings: [0, 2]]"
p = CpuSiblings(context_wrap("1-3", path=path.format(3)))
assert p.core_id == 3
assert p.siblings == [1, 2, 3]
assert repr(p) == "[Core 3 Siblings: [1, 2, 3]]"
p = CpuSiblings(context_wrap("1", path=path.format(1)))
assert p.core_id == 1
assert p.siblings == [1]
assert repr(p) == "[Core 1 Siblings: [1]]"
def test_without_hyperthreading_all_online(cpu_all_online):
siblings = [
CpuSiblings(context_wrap("0", path=SIBLINGS_PATH.format(0))),
CpuSiblings(context_wrap("1", path=SIBLINGS_PATH.format(1))),
CpuSiblings(context_wrap("2", path=SIBLINGS_PATH.format(2))),
CpuSiblings(context_wrap("3", path=SIBLINGS_PATH.format(3)))
]
cpu_topology = CpuTopology(cpu_all_online, siblings)
assert cpu_topology.online(0)
assert cpu_topology.siblings(0) == [0]
assert cpu_topology.online(1)
assert cpu_topology.siblings(1) == [1]
assert cpu_topology.online(2)
assert cpu_topology.siblings(2) == [2]
assert cpu_topology.online(3)
assert cpu_topology.siblings(3) == [3]
assert cpu_topology.all_solitary
def test_doc_examples():
path_cpu_core_online = "/sys/devices/system/cpu/cpu0/online"
path_cpu_siblings = "/sys/devices/system/cpu/cpu0/topology/thread_siblings_list"
env = {
"cpu_smt": CpuSMTActive(context_wrap("1")),
"cpu_core": CpuCoreOnline(context_wrap("1",
path=path_cpu_core_online)),
"cpu_siblings": CpuSiblings(context_wrap("0,2",
path=path_cpu_siblings))
}
failed, total = doctest.testmod(smt, globs=env)
assert failed == 0
def test_hyperthreading_some_online():
online = [
CpuCoreOnline(context_wrap("1", path=ONLINE_PATH.format(0))),
CpuCoreOnline(context_wrap("0", path=ONLINE_PATH.format(1))),
CpuCoreOnline(context_wrap("1", path=ONLINE_PATH.format(2))),
CpuCoreOnline(context_wrap("0", path=ONLINE_PATH.format(3)))
]
siblings = [
CpuSiblings(context_wrap("0,2", path=SIBLINGS_PATH.format(0))),
CpuSiblings(context_wrap("0,2", path=SIBLINGS_PATH.format(2)))
]
cpu_topology = CpuTopology(online, siblings)
assert cpu_topology.online(0)
assert cpu_topology.siblings(0) == [0, 2]
assert not cpu_topology.online(1)
assert cpu_topology.siblings(1) == []
assert cpu_topology.online(2)
assert cpu_topology.siblings(2) == [0, 2]
assert not cpu_topology.online(3)
assert cpu_topology.siblings(3) == []
assert not cpu_topology.all_solitary
def test_wrong_index():
online = [
CpuCoreOnline(context_wrap("1", path=ONLINE_PATH.format(0))),
CpuCoreOnline(context_wrap("0", path=ONLINE_PATH.format(1))),
CpuCoreOnline(context_wrap("0", path=ONLINE_PATH.format(2))),
CpuCoreOnline(context_wrap("0", path=ONLINE_PATH.format(3)))
]
siblings = [
CpuSiblings(context_wrap("0", path=SIBLINGS_PATH.format(0))),
]
c = CpuTopology(online, siblings)
assert c.online(-1) is None
assert c.siblings(-1) is None
assert c.online(4) is None
assert c.siblings(4) is None