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Aly Raffauf
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* hwModuled/amd/cpu: switch to zenpower * hwModules/framework/13/amd-7000: improve format * hwModules: add common and common-gaming modules * hwModules/legion/go: killuserProcesses on logout
43 lines
1.3 KiB
Nix
43 lines
1.3 KiB
Nix
{lib, ...}: {
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boot.kernel.sysctl = {
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# Improved file monitoring
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"fs.inotify.max_user_instances" = 8192;
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"fs.inotify.max_user_watches" = 524288;
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# Disable watchdogs for maximum performance at the cost of resiliency
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"kernel.nmi_watchdog" = 0;
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"kernel.soft_watchdog" = 0;
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"kernel.split_lock_mitigate" = 0;
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"kernel.watchdog" = 0;
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# Network optimizations
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"net.core.default_qdisc" = "fq";
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"net.ipv4.tcp_congestion_control" = "bbr";
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"net.ipv4.tcp_mtu_probing" = lib.mkForce 1;
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# Memory management
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"vm.dirty_background_bytes" = 134217728;
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"vm.dirty_bytes" = 268435456;
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"vm.max_map_count" = lib.mkForce 2147483642;
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"vm.page-cluster" = 0;
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"vm.swappiness" = 180;
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"vm.watermark_boost_factor" = 0;
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"vm.watermark_scale_factor" = 125;
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};
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services.udev.extraRules = ''
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# Significantly improved I/O performance
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## SSD
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ACTION=="add|change", KERNEL=="sd[a-z]", ATTR{queue/rotational}=="0", ATTR{queue/scheduler}="kyber"
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## NVME
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ACTION=="add|change", KERNEL=="nvme[0-9]n[0-9]", ATTR{queue/rotational}=="0", ATTR{queue/scheduler}="kyber"
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## MicroSD
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ACTION=="add|change", KERNEL=="mmcblk[0-9]p[0-9]", ATTR{queue/rotational}=="0", ATTR{queue/scheduler}="bfq"
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## HDD
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ACTION=="add|change", KERNEL=="sd[a-z]", ATTR{queue/rotational}=="1", ATTR{queue/scheduler}="bfq"
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'';
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}
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