65 lines
2.0 KiB
Nix
65 lines
2.0 KiB
Nix
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{ pkgs, lib, ... }:
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let
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kernel = nixos-fcsv4;
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nixos-fcs-kernel = {gitCommit, lockStat ? false, preempt ? false, branch ? "fcs"}: pkgs.linuxPackagesFor (pkgs.buildLinux rec {
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version = "6.2.8";
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src = builtins.fetchGit {
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url = "git@bscpm03.bsc.es:ompss-kernel/linux.git";
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rev = gitCommit;
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ref = branch;
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};
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structuredExtraConfig = with lib.kernel; {
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# add general custom kernel options here
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} // lib.optionalAttrs lockStat {
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LOCK_STAT = yes;
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} // lib.optionalAttrs preempt {
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PREEMPT = lib.mkForce yes;
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PREEMPT_VOLUNTARY = lib.mkForce no;
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};
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kernelPatches = [];
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extraMeta.branch = lib.versions.majorMinor version;
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});
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nixos-fcsv1 = nixos-fcs-kernel {gitCommit = "bc11660676d3d68ce2459b9fb5d5e654e3f413be";};
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nixos-fcsv2 = nixos-fcs-kernel {gitCommit = "db0f2eca0cd57a58bf456d7d2c7d5d8fdb25dfb1";};
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nixos-fcsv3 = nixos-fcs-kernel {gitCommit = "6c17394890704c3345ac1a521bb547164b36b154";};
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nixos-fcsv4 = nixos-fcs-kernel {gitCommit = "c94c3d946f33ac3e5782a02ee002cc1164c0cb4f";};
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nixos-fcsv1-lockstat = nixos-fcs-kernel {
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gitCommit = "bc11660676d3d68ce2459b9fb5d5e654e3f413be";
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lockStat = true;
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};
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nixos-fcsv2-lockstat = nixos-fcs-kernel {
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gitCommit = "db0f2eca0cd57a58bf456d7d2c7d5d8fdb25dfb1";
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lockStat = true;
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};
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nixos-fcsv3-lockstat = nixos-fcs-kernel {
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gitCommit = "6c17394890704c3345ac1a521bb547164b36b154";
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lockStat = true;
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};
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nixos-fcsv3-lockstat-preempt = nixos-fcs-kernel {
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gitCommit = "6c17394890704c3345ac1a521bb547164b36b154";
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lockStat = true;
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preempt = true;
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};
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latest = pkgs.linuxPackages_latest;
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in {
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imports = [
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../eudy/kernel/lttng.nix
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../eudy/kernel/perf.nix
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];
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boot.kernelPackages = lib.mkForce kernel;
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# disable all cpu mitigations
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boot.kernelParams = [
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"mitigations=off"
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];
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# enable memory overcommit, needed to build a taglibc system using nix after
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# increasing the openblas memory footprint
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boot.kernel.sysctl."vm.overcommit_memory" = lib.mkForce 1;
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}
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