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hw/gaming: default to zen kernel
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Aly Raffauf 2024-12-19 11:19:46 -05:00
parent 6bf5eee591
commit 1bc6e50b18
1 changed files with 38 additions and 30 deletions
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68
hwModules/common/gaming/default.nix
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@ -1,37 +1,45 @@
{lib, ...}: { {
boot.kernel.sysctl = { lib,
# Improved file monitoring pkgs,
"fs.inotify.max_user_instances" = lib.mkOverride 100 8192; # Re-use the default from Bazzite even though the default NixOS value is higher. ...
# "fs.inotify.max_user_watches" = lib.mkOverride 100 524288; }: {
boot = {
kernel.sysctl = {
# Improved file monitoring
"fs.inotify.max_user_instances" = lib.mkOverride 100 8192; # Re-use the default from Bazzite even though the default NixOS value is higher.
# "fs.inotify.max_user_watches" = lib.mkOverride 100 524288;
# Disable watchdogs for maximum performance at the cost of resiliency # Disable watchdogs for maximum performance at the cost of resiliency
"kernel.nmi_watchdog" = lib.mkOverride 100 0; "kernel.nmi_watchdog" = lib.mkOverride 100 0;
"kernel.soft_watchdog" = lib.mkDefault 0; "kernel.soft_watchdog" = lib.mkDefault 0;
# "kernel.split_lock_mitigate" = lib.mkOverride 100 0; # "kernel.split_lock_mitigate" = lib.mkOverride 100 0;
"kernel.watchdog" = lib.mkDefault 0; "kernel.watchdog" = lib.mkDefault 0;
"kernel.sched_cfs_bandwidth_slice_u" = lib.mkDefault 3000; "kernel.sched_cfs_bandwidth_slice_u" = lib.mkDefault 3000;
"kernel.sched_latency_ns" = lib.mkDefault 3000000; "kernel.sched_latency_ns" = lib.mkDefault 3000000;
"kernel.sched_min_granularity_ns" = lib.mkDefault 300000; "kernel.sched_min_granularity_ns" = lib.mkDefault 300000;
"kernel.sched_wakeup_granularity_ns" = lib.mkDefault 500000; "kernel.sched_wakeup_granularity_ns" = lib.mkDefault 500000;
"kernel.sched_migration_cost_ns" = lib.mkDefault 50000; "kernel.sched_migration_cost_ns" = lib.mkDefault 50000;
"kernel.sched_nr_migrate" = lib.mkDefault 128; "kernel.sched_nr_migrate" = lib.mkDefault 128;
"kernel.split_lock_mitigate" = lib.mkDefault 0; "kernel.split_lock_mitigate" = lib.mkDefault 0;
# Network optimizations # Network optimizations
"net.core.default_qdisc" = lib.mkDefault "fq"; "net.core.default_qdisc" = lib.mkDefault "fq";
"net.ipv4.tcp_congestion_control" = lib.mkDefault "bbr"; "net.ipv4.tcp_congestion_control" = lib.mkDefault "bbr";
"net.ipv4.tcp_fin_timeout" = lib.mkDefault 5; "net.ipv4.tcp_fin_timeout" = lib.mkDefault 5;
"net.ipv4.tcp_mtu_probing" = lib.mkForce 1; "net.ipv4.tcp_mtu_probing" = lib.mkForce 1;
# Memory management # Memory management
"vm.dirty_background_bytes" = lib.mkDefault 134217728; "vm.dirty_background_bytes" = lib.mkDefault 134217728;
"vm.dirty_bytes" = lib.mkDefault 268435456; "vm.dirty_bytes" = lib.mkDefault 268435456;
# "vm.max_map_count" = lib.mkOverride 100 2147483642; # "vm.max_map_count" = lib.mkOverride 100 2147483642;
"vm.page-cluster" = lib.mkDefault 0; "vm.page-cluster" = lib.mkDefault 0;
"vm.swappiness" = lib.mkDefault 180; "vm.swappiness" = lib.mkDefault 180;
"vm.watermark_boost_factor" = lib.mkDefault 0; "vm.watermark_boost_factor" = lib.mkDefault 0;
"vm.watermark_scale_factor" = lib.mkDefault 125; "vm.watermark_scale_factor" = lib.mkDefault 125;
};
kernelPackages = pkgs.linuxPackages_zen;
}; };
services = { services = {