Fix psutil.cpu_* functions

Use an `@overload` to correctly type the `percpu` argument and
use the right return types

stubs/psutil/psutil/__init__.pyi

@@ -121,12 +121,14 @@ if sys.platform == "win32":
  )
 
 if sys.platform == "linux":
- from ._pslinux import pfullmem, pmem, sensors_battery as sensors_battery, svmem
+ from ._pslinux import pfullmem, pmem, scputimes, sensors_battery as sensors_battery, svmem
 elif sys.platform == "darwin":
- from ._psosx import pfullmem, pmem, sensors_battery as sensors_battery, svmem
+ from ._psosx import pfullmem, pmem, scputimes, sensors_battery as sensors_battery, svmem
 elif sys.platform == "win32":
- from ._pswindows import pfullmem, pmem, sensors_battery as sensors_battery, svmem
+ from ._pswindows import pfullmem, pmem, scputimes, sensors_battery as sensors_battery, svmem
 else:
+ scputimes = Incomplete
+
  class pmem(Any): ...
  class pfullmem(Any): ...
  class svmem(Any): ...
@@ -241,16 +243,27 @@ def wait_procs(
  procs: Iterable[Process], timeout: float | None = None, callback: Callable[[Process], object] | None = None
 ) -> tuple[list[Process], list[Process]]: ...
 def cpu_count(logical: bool = True) -> int: ...
-def cpu_times(percpu: bool = False): ...
+@overload
+def cpu_freq(percpu: Literal[False] = ...) -> scpufreq: ...
+@overload
+def cpu_freq(percpu: Literal[True]) -> list[scpufreq]: ...
+@overload
+def cpu_times(percpu: Literal[False] = ...) -> scputimes: ...
+@overload
+def cpu_times(percpu: Literal[True]) -> list[scputimes]: ...
 @overload
 def cpu_percent(interval: float | None = None, percpu: Literal[False] = False) -> float: ...
 @overload
 def cpu_percent(interval: float | None, percpu: Literal[True]) -> list[float]: ...
 @overload
 def cpu_percent(*, percpu: Literal[True]) -> list[float]: ...
-def cpu_times_percent(interval: float | None = None, percpu: bool = False): ...
+@overload
+def cpu_times_percent(interval: float | None = None, percpu: Literal[False] = False) -> scputimes: ...
+@overload
+def cpu_times_percent(interval: float | None, percpu: Literal[True]) -> list[scputimes]: ...
+@overload
+def cpu_times_percent(*, percpu: Literal[True]) -> list[scputimes]: ...
 def cpu_stats() -> scpustats: ...
-def cpu_freq(percpu: bool = False) -> scpufreq: ...
 def getloadavg() -> tuple[float, float, float]: ...
 def virtual_memory() -> svmem: ...
 def swap_memory() -> sswap: ...