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Initial support for CPU Sets #2572

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Initial support for CPU Sets #2572

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@wnstngs wnstngs commented May 26, 2025 •
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Summary

This PR introduces initial support for CPU Sets (introduced in Windows 10).

Related issue: #2289

Changes made:

  • Process Default CPU Sets
    • API: Added functions to query and assign default CPU Sets for a process.
    • GUI: Implemented a dialog to view and configure process CPU Sets.
  • System CPU Sets
    • API: Implemented support for querying system-wide CPU Set information.

TODO (future work):

  • Thread Selected CPU Sets
    • Get/Set (API)
    • Get/Set (GUI dialog)
  • System CPU Sets
    • Set (API)
    • Get/Set (GUI dialog)
  • Use CPU Set APIs in relevant places (e.g., improving core parking detection via System CPU Set enumeration).
@wnstngs
Initial support for CPU Sets
898d996 
Related issue: winsiderss#2289

Changes made:
- Process Default CPU Sets
  - Get/Set (API)
  - Get/Set (GUI)
- System CPU Sets
  - Get (API)
@wnstngs wnstngs marked this pull request as ready for review May 27, 2025 22:50
dmex
dmex reviewed Jun 3, 2025
View reviewed changes
@wnstngs
Address code review feedback
72e26a8 
- Remove AFX_DIALOG_LAYOUT
- Update processor group retrieval to use PhSystemProcessorInformation.NumberOfProcessorGroups
- Replace slow text parsing in listview with ID passed via listview item lParam
- Add new helper PhGetSelectedListViewItemParams()
- Use NTAPI in cpuset.h for 32-bit compatibility
@wnstngs wnstngs requested a review from dmex June 5, 2025 16:12
@dmex dmex added the enhancement New feature or request label Jun 6, 2025
@jxy-s jxy-s self-requested a review as a code owner August 1, 2025 03:04
@dmex dmex self-assigned this Aug 18, 2025
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enhancement New feature or request

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@wnstngs @dmex