def test_cpu_freq_procfs(tmp_path: pathlib.Path) -> None:
populate_directory(
str(tmp_path),
{
"sysfs": {
"devices": {
"system": {
"cpu": {}
}
}
},
"procfs": {
"cpuinfo":
"""
core id: 0
physical id: 0
cpu MHz: 2000
core id: 1
physical id: 0
cpu MHz: 2500
"""
},
},
)
with replace_info_directories(sysfs=str(tmp_path / "sysfs"),
procfs=str(tmp_path / "procfs")):
assert pypsutil.percpu_freq() == [ # type: ignore
pypsutil.CPUFrequencies(current=2000, min=0, max=0),
pypsutil.CPUFrequencies(current=2500, min=0, max=0),
]
assert pypsutil.cpu_freq() == ( # type: ignore
pypsutil.CPUFrequencies(current=2250, min=0, max=0))
def test_percpu_freq_range() -> None:
# pylint: disable=no-member
all_freqs = pypsutil.percpu_freq() # type: ignore[attr-defined]
if not all_freqs:
pytest.skip("Unable to determine CPU frequencies")
for freqs in all_freqs:
assert freqs.current > 0
assert freqs.min == 0.0 or freqs.current >= freqs.min
assert freqs.max == 0.0 or freqs.current <= freqs.max
def test_percpu_info() -> None:
# pylint: disable=no-member
ncpus = os.cpu_count()
if not ncpus:
pytest.skip("Unable to detect number of CPUs")
if hasattr(pypsutil, "percpu_times"):
assert len(
pypsutil.percpu_times()) == ncpus # type: ignore[attr-defined]
if hasattr(pypsutil, "percpu_freq"):
assert len(pypsutil.percpu_freq()) in (0, ncpus
) # type: ignore[attr-defined]
def test_cpu_freq_none(tmp_path: pathlib.Path) -> None:
populate_directory(
str(tmp_path),
{
"sysfs": {},
"procfs": {}
},
)
with replace_info_directories(sysfs=str(tmp_path / "sysfs"),
procfs=str(tmp_path / "procfs")):
assert pypsutil.percpu_freq() == [] # type: ignore
assert pypsutil.cpu_freq() is None # type: ignore
def test_cpu_freq_sysfs(tmp_path: pathlib.Path) -> None:
populate_directory(
str(tmp_path),
{
"devices": {
"system": {
"cpu": {
"cpu0": {
"cpufreq": {
"scaling_min_freq": "1000000",
"scaling_cur_freq": "2000000",
"scaling_max_freq": "3000000",
},
},
"cpu1": {
"cpufreq": {
"scaling_min_freq": "1500000",
"scaling_cur_freq": "2500000",
"scaling_max_freq": "3500000",
},
},
"online": "0-4",
}
}
}
},
)
with replace_info_directories(sysfs=str(tmp_path)):
assert pypsutil.percpu_freq() == [ # type: ignore
pypsutil.CPUFrequencies(current=2000, min=1000, max=3000),
pypsutil.CPUFrequencies(current=2500, min=1500, max=3500),
]
assert pypsutil.cpu_freq() == ( # type: ignore
pypsutil.CPUFrequencies(current=2250, min=1250, max=3250))
def cpu_freq(
percpu: bool = False,
) -> Union[pypsutil.CPUFrequencies, List[pypsutil.CPUFrequencies]]:
return pypsutil.percpu_freq() if percpu else pypsutil.cpu_freq() # type: ignore