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nixos,desktop,gaming: performance optimisation

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Guanran Wang 2023-11-18 12:42:04 +08:00
parent 892b910d04
commit b9cbe17f15
Signed by: nyancat
SSH key fingerprint: SHA256:8oWGKciPALWut/6WA27oFKofX+6Wtc0gQnsefXLQx/8
1 changed files with 22 additions and 0 deletions
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nixos/profiles/desktop/addtional/gaming.nix
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@ -6,4 +6,26 @@
end = "${pkgs.libnotify}/bin/notify-send 'GameMode Deactivated' 'GameMode Deactivated. Back to normal mode. ⏹️'";
};
};
### https://wiki.archlinux.org/title/Gaming#Improving_performance
systemd.tmpfiles.rules = [
# Path Mode UID GID Age Argument
#"w /proc/sys/vm/compaction_proactiveness - - - - 0"
"w /proc/sys/vm/min_free_kbytes - - - - 1048576"
"w /proc/sys/vm/swappiness - - - - 10"
"w /sys/kernel/mm/lru_gen/enabled - - - - 5"
"w /proc/sys/vm/zone_reclaim_mode - - - - 0"
#"w /sys/kernel/mm/transparent_hugepage/enabled - - - - never"
#"w /sys/kernel/mm/transparent_hugepage/shmem_enabled - - - - never"
#"w /sys/kernel/mm/transparent_hugepage/khugepaged/defrag - - - - 0"
"w /proc/sys/vm/page_lock_unfairness - - - - 1"
"w /proc/sys/kernel/sched_child_runs_first - - - - 0"
"w /proc/sys/kernel/sched_autogroup_enabled - - - - 1"
"w /proc/sys/kernel/sched_cfs_bandwidth_slice_us - - - - 500"
"w /sys/kernel/debug/sched/latency_ns - - - - 1000000"
"w /sys/kernel/debug/sched/migration_cost_ns - - - - 500000"
"w /sys/kernel/debug/sched/min_granularity_ns - - - - 500000"
"w /sys/kernel/debug/sched/wakeup_granularity_ns - - - - 0"
"w /sys/kernel/debug/sched/nr_migrate - - - - 8"
];
}