Windows: get swap usage from the pagefile(s)

[giampaolo]

Summary

• OS: Windows
• Bug fix: ues
• Type: core
• Fixes: [Windows] Swap used is bigger than swap total #2074 2074

Description

See discussion in #2074. With this I'm able to get the same values I get by running %windir%\system32\SystemPropertiesPerformance.exe, see https://superuser.com/a/858899

[Danstiv]

>>> psutil.swap_memory()
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:\Python310\lib\site-packages\psutil-5.9.4-py3.10-win32.egg\psutil\__init__.py", line 1987, in swap_memory
    return _psplatform.swap_memory()
  File "C:\Python310\lib\site-packages\psutil-5.9.4-py3.10-win32.egg\psutil\_pswindows.py", line 245, in swap_memory
    pagefiles = cext.disk_swaps()
OSError: [WinError 998] Неверная попытка доступа к адресу памяти: '(originated from NtQuerySystemInformation)'

[giampaolo]

OSError: [WinError 998] Неверная попытка доступа к адресу памяти: '(originated from NtQuerySystemInformation)'

Ouch! Note to self: that means ERROR_NOACCESS -> "Invalid attempt to access a memory address".