31 lines
1.6 KiB
Nix
31 lines
1.6 KiB
Nix
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# quirks: temporary patches with the goal of eventually removing them
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{ lib, ... }:
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{
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# TODO: remove after linux 6.9. see: <https://github.com/axboe/liburing/issues/1113>
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# - <https://github.com/neovim/neovim/issues/28149>
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# - <https://git.kernel.dk/cgit/linux/commit/?h=io_uring-6.9&id=e5444baa42e545bb929ba56c497e7f3c73634099>
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# when removing, try starting and suspending (ctrl+z) two instances of neovim simultaneously.
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# if the system doesn't freeze, then this is safe to remove.
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# added 2024-04-04
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sane.user.fs.".profile".symlink.text = lib.mkBefore ''
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export UV_USE_IO_URING=0
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'';
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# powertop will default to putting USB devices -- including HID -- to sleep after TWO SECONDS
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powerManagement.powertop.enable = false;
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# linux CPU governor: <https://www.kernel.org/doc/Documentation/cpu-freq/governors.txt>
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# - options:
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# - "powersave" => force CPU to always run at lowest supported frequency
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# - "performance" => force CPU to always run at highest frequency
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# - "ondemand" => adjust frequency based on load
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# - "conservative" (ondemand but slower to adjust)
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# - "schedutil"
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# - "userspace"
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# - not all options are available for all platforms
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# - intel (intel_pstate) appears to manage scaling w/o intervention/control from the OS.
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# - AMD (acpi-cpufreq) appears to manage scaling via the OS *or* HW. but the ondemand defaults never put it to max hardware frequency.
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# - qualcomm (cpufreq-dt) appears to manage scaling *only* via the OS. ondemand governor exercises the full range.
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# - query details with `sudo cpupower frequency-info`
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powerManagement.cpuFreqGovernor = "ondemand";
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}
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