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feat: per-process efficiency mode (EcoQoS) - #69
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PrimeBuild-pc merged 21 commits intoOct 16, 2026
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Closes #66. - Native: SetProcessInformation/GetProcessInformation with ProcessPowerThrottling (EXECUTION_SPEED), three states: Windows decides, On (EcoQoS), Off (never throttle / HighQoS). - Process tab: context menu entries, a picker with Apply in the details panel, current state in the summary, undo of the last change, included when saving current settings as a rule (only if explicitly set). - Rules: EfficiencyMode + ApplyEfficiencyModeOnStart, applied by the rules engine, editable in the saved-rule editor, validated on import and part of conflict detection. - The summary flags when the global Power Throttling tweak voids it. CPU priority is left alone, unlike Task Manager's efficiency mode. - Localized in all seven languages.
…-mode # Conflicts: # ViewModels/SelectedProcessSummaryViewModel.cs
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- Navigation pane open with short labels instead of seven bare icons. - Processes: one toolbar row (search with placeholder, Filters and Columns menus, sort, refresh); details split into Process, Priority, CPU cores and Rule cards; pickers start from the process's current values and stay empty when a value cannot be read; help paragraphs moved into tooltips; core picker always visible. - Rules: process rules first, clearer tab names, localized choices in the saved-rule editor instead of internal enum names. - Shorter page titles and subtitles in all seven languages; removed the strings this made unused. No data format changes.
This was referenced Oct 14, 2026
- Settings: one column of rows (what it is on the left, its switch on the right), most used sections first, Save as the primary action. - Tweaks: one tweak per row with its status dot and switch. - Rule list: 'Applies' and 'Mode' columns use the same localized labels as the editor and refresh on language change. - Removed 76 strings no code referenced, from all seven languages.
- Process counter could show more visible processes than the total
('157 / 151'): the batch total was a snapshot from the first load.
- Narrow windows (or 150% scaling): toolbar buttons move under the search
box instead of squeezing it to a few letters.
- Rules list keeps the 'Applies' column readable when narrow.
- Settings status message gets its own line instead of being cut.
Tested in a Hyper-V Windows 11 VM: clean install, upgrade, uninstall,
light and dark theme, 100% and 150% scaling.
- The navigation pane, window size/position/maximized state, and the process list filters, sort and columns now survive a restart. They live in ui-state.json, apart from settings.json, so they never mark the Settings page as unsaved or travel in exported configurations. A corrupt file falls back to defaults; tests write to a temp file. - Fixes the pane re-opening on every start (it was hard-coded open). - Tweaks use a native-looking Windows 11 switch (40x20 track, sliding thumb) with On/Off written beside it. - New test: every on/off setting survives save and reload.
…3 groups The legacy topology treated the lowest EfficiencyClass as the performance core, swapping P- and E-cores on hybrid Intel CPUs. AMD CCDs were guessed as 8 cores each, which split 6+6 parts (7900X3D, 9900X3D) into 8+4; they now come from the L3 groups Windows reports, with the guess kept only as a fallback. The topology snapshot also keeps each L3 group's size.
While a detected game runs, Game Boost sets process default CPU Sets from the CPU topology: on AMD X3D with one larger L3 the game goes to the V-Cache CCD, on Intel hybrid CPUs to the P-cores, and selected background apps (browsers, sync clients, updaters, launchers) to the other cores. On dual-CCD parts with equal L3 only the background moves, unless Isolation mode also keeps the game on CCD0. Single-L3 and unreadable topologies are left to Windows. Above Normal priority for the game is optional; never High. Each change is written to a journal before it is made and undone when the game exits, Game Boost is turned off or ThreadPilot closes, and on the next start after a crash. Only values still exactly as Game Boost set them are restored, never one a user rule or a manual change has taken over since. Persistent rules and Game Boost share one apply gate, and a rule always wins over Game Boost for the setting it covers. The switch, mode and lists are on the Tweaks page, off by default, and take effect without a restart.
The background list compared full-path entries against an empty path, so only bare process names worked. Found by a new integration test that runs the real services on two copies of PING.EXE: CPU Sets and priority are set and read back through Windows, removed when Game Boost is turned off, and undone from the journal after a simulated crash. The topology is simulated from this machine's CPU Set IDs, so the test also runs on CPUs where Game Boost would not act; it skips itself below 8 cores.
Windows Server 2022 build 20348 rejects GetProcessInformation(ProcessPowerThrottling) with ERROR_INVALID_PARAMETER (87), with both limited and full query handles. Windows 11 local tests pass. Use Server 2025 for CI/release tests and smoke testing; keep the real round-trip assertions, remove temporary probes.
feat: Game Boost sessions, CPU topology fixes and Activity diagnostics
feat: clearer navigation, process page and rules editor
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Closes #66. Stacked on #68.
Summary
Per-process Windows efficiency mode, following the review on #66:
SetProcessInformation(ProcessPowerThrottling): Windows decides (ControlMask 0), On / EcoQoS (Control+State = EXECUTION_SPEED), Off / never throttle (Control = EXECUTION_SPEED, State 0).EfficiencyMode?+ApplyEfficiencyModeOnStart(same pattern as I/O priority), applied by the rules engine, editable in the saved-rule editor, validated on import, included in conflict detection. Existing rule files load unchanged.IGNORE_TIMER_RESOLUTION, a list column (reading the state needs a handle per process).Tests