First Commit

usr/lib/NetworkManager/conf.d/dns.conf

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+[main]
+dns=systemd-resolved

usr/lib/modprobe.d/amdgpu.conf

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+# Force using of the amdgpu driver for Southern Islands (GCN 1.0+) and Sea
+# Islands (GCN 2.x) generations.
+options amdgpu si_support=1 cik_support=1
+options radeon si_support=0 cik_support=0

usr/lib/modprobe.d/blacklist.conf

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+# Blacklist the Intel TCO Watchdog/Timer module
+blacklist iTCO_wdt
+
+# Blacklist the AMD SP5100 TCO Watchdog/Timer module (Required for Ryzen cpus)
+blacklist sp5100_tco

usr/lib/modprobe.d/nvidia.conf

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+#
+# NVreg_UsePageAttributeTable=1 (Default 0) - Activating the better memory
+# management method (PAT). The PAT method creates a partition type table at a
+# specific address mapped inside the register and utilizes the memory
+# architecture and instruction set more efficiently and faster. If your system
+# can support this feature, it should improve CPU performance.
+#
+# NVreg_InitializeSystemMemoryAllocations=0 (Default 1) - Disables clearing
+# system memory allocation before using it for the GPU. Potentially improves
+# performance, but at the cost of increased security risks. Write "options
+# nvidia NVreg_InitializeSystemMemoryAllocations=1" in
+# /etc/modprobe.d/nvidia.conf, if you want to return the default value. Note:
+# It is possible to use more memory (?)
+#
+# NVreg_DynamicPowerManagement=0x02 - Enables the use of dynamic power
+# management for Turing generation mobile cards, allowing the dGPU to be
+# powered down during idle time.
+#
+options nvidia NVreg_UsePageAttributeTable=1 \
+    NVreg_InitializeSystemMemoryAllocations=0 \
+    NVreg_DynamicPowerManagement=0x02

usr/lib/modules-load.d/i2c-dev.conf

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+# Load i2c-dev.ko at boot
+i2c-dev

usr/lib/modules-load.d/i2c-piix4.conf

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+# Load i2c-piix4.ko at boot
+i2c-piix4

usr/lib/modules-load.d/ntsync.conf

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+ntsync

usr/lib/sysctl.d/99-bore-scheduler.conf

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+### Use only if you want to change the default values!
+### For more information look here: https://github.com/firelzrd/bore-scheduler#readme
+
+### Additional settings for BORE Scheduler (Work only if the BORE scheduler is enabled!)
+### So make sure that kernel.sched_bore has a value of 1
+
+# sched_burst_cache_lifetime (range: 0 - 4294967295, default: 75000000)
+#kernel.sched_burst_cache_lifetime = 75000000
+
+# sched_burst_fork_atavistic (range: 0 - 3, default: 2)
+#kernel.sched_burst_fork_atavistic = 2
+
+# sched_burst_penalty_offset (range: 0 - 64, default: 22)
+#kernel.sched_burst_penalty_offset = 22
+
+# sched_burst_penalty_scale (range: 0 - 4095, default: 1280)
+#kernel.sched_burst_penalty_scale = 1280
+
+# sched_burst_smoothness  (range: 1 - 255, default: 20)
+#kernel.sched_burst_smoothness  = 20
+
+# sched_burst_exclude_kthreads (range: 0 - 1, default: 1)
+#kernel.sched_burst_exclude_kthreads = 1
+
+# sched_burst_parity_threshold (range: u8, default: 2)
+#kernel.sched_burst_parity_threshold = 2

usr/lib/sysctl.d/99-cachyos-settings.conf

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+# The sysctl swappiness parameter determines the kernel's preference for pushing anonymous pages or page cache to disk in memory-starved situations.
+# A low value causes the kernel to prefer freeing up open files (page cache), a high value causes the kernel to try to use swap space,
+# and a value of 100 means IO cost is assumed to be equal.
+vm.swappiness = 100
+
+# The value controls the tendency of the kernel to reclaim the memory which is used for caching of directory and inode objects (VFS cache).
+# Lowering it from the default value of 100 makes the kernel less inclined to reclaim VFS cache (do not set it to 0, this may produce out-of-memory conditions)
+vm.vfs_cache_pressure = 50
+
+# Contains, as bytes, the number of pages at which a process which is
+# generating disk writes will itself start writing out dirty data.
+vm.dirty_bytes = 268435456
+
+# page-cluster controls the number of pages up to which consecutive pages are read in from swap in a single attempt.
+# This is the swap counterpart to page cache readahead. The mentioned consecutivity is not in terms of virtual/physical addresses,
+# but consecutive on swap space - that means they were swapped out together. (Default is 3)
+# increase this value to 1 or 2 if you are using physical swap (1 if ssd, 2 if hdd)
+vm.page-cluster = 0
+
+# Contains, as bytes, the number of pages at which the background kernel
+# flusher threads will start writing out dirty data.
+vm.dirty_background_bytes = 67108864
+
+# The kernel flusher threads will periodically wake up and write old data out to disk.  This
+# tunable expresses the interval between those wakeups, in 100'ths of a second (Default is 500).
+vm.dirty_writeback_centisecs = 1500
+
+# This action will speed up your boot and shutdown, because one less module is loaded. Additionally disabling watchdog timers increases performance and lowers power consumption
+# Disable NMI watchdog
+kernel.nmi_watchdog = 0
+
+# Enable the sysctl setting kernel.unprivileged_userns_clone to allow normal users to run unprivileged containers.
+kernel.unprivileged_userns_clone = 1
+
+# To hide any kernel messages from the console
+kernel.printk = 3 3 3 3
+
+# Restricting access to kernel pointers in the proc filesystem
+kernel.kptr_restrict = 2
+
+# Disable Kexec, which allows replacing the current running kernel.
+kernel.kexec_load_disabled = 1
+
+# Increase netdev receive queue
+# May help prevent losing packets
+net.core.netdev_max_backlog = 4096
+
+# Set size of file handles and inode cache
+fs.file-max = 2097152

usr/lib/systemd/journald.conf.d/00-journal-size.conf

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+[Journal]
+SystemMaxUse=50M

usr/lib/systemd/system.conf.d/00-timeout.conf

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+[Manager]
+DefaultTimeoutStartSec=15s
+DefaultTimeoutStopSec=10s

usr/lib/systemd/system.conf.d/10-limits.conf

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+[Manager]
+DefaultLimitNOFILE=2048:2097152

usr/lib/systemd/system/pci-latency.service

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+[Unit]
+Description=Adjust latency timers for PCI peripherals
+
+[Service]
+Type=oneshot
+ExecStart=/usr/bin/pci-latency
+
+[Install]
+WantedBy=multi-user.target

usr/lib/systemd/system/rtkit-daemon.service.d/override.conf

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+[Service]
+LogLevelMax=info

usr/lib/systemd/system/user@.service.d/delegate.conf

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+[Service]
+Delegate=cpu cpuset io memory pids 

usr/lib/systemd/timesyncd.conf.d/10-timesyncd.conf

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+[Time]
+NTP=time.cloudflare.com
+FallbackNTP=time.google.com 0.arch.pool.ntp.org 1.arch.pool.ntp.org 2.arch.pool.ntp.org 3.arch.pool.ntp.org
+#RootDistanceMaxSec=5
+#PollIntervalMinSec=32
+#PollIntervalMaxSec=2048
+#ConnectionRetrySec=30
+#SaveIntervalSec=60

usr/lib/systemd/user.conf.d/10-limits.conf

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+[Manager]
+DefaultLimitNOFILE=1024:1048576

usr/lib/systemd/zram-generator.conf

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+[zram0] 
+compression-algorithm = zstd
+zram-size = ram
+swap-priority = 100
+fs-type = swap

usr/lib/tmpfiles.d/coredump.conf

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+# Clear all coredumps that were created more than 3 days ago
+d /var/lib/systemd/coredump 0755 root root 3d

usr/lib/tmpfiles.d/thp-shrinker.conf

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+# THP Shrinker has been added in the 6.12 Kernel
+# Default Value is 511
+# THP=always policy vastly overprovisions THPs in sparsely accessed memory areas, resulting in excessive memory pressure and premature OOM killing
+# 409 means that any THP that has more than 409 out of 512 (80%) zero filled filled pages will be split.
+# This reduces the memory usage, when THP=always used and the memory usage goes down to around the same usage as when madvise is used, while still providing an equal performance improvement
+w! /sys/kernel/mm/transparent_hugepage/khugepaged/max_ptes_none - - - - 409

usr/lib/tmpfiles.d/thp.conf

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+# Improve performance for applications that use tcmalloc
+# https://github.com/google/tcmalloc/blob/master/docs/tuning.md#system-level-optimizations
+w! /sys/kernel/mm/transparent_hugepage/defrag - - - - defer+madvise

usr/lib/udev/rules.d/20-audio-pm.rules

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+# Disables power saving capabilities for snd-hda-intel when device is not
+# running on battery power. This is needed because it prevents audio cracks on
+# some hardware.
+ACTION=="add", SUBSYSTEM=="sound", KERNEL=="card*", DRIVERS=="snd_hda_intel", TEST!="/run/udev/snd-hda-intel-powersave", \
+    RUN+="/usr/bin/bash -c 'touch /run/udev/snd-hda-intel-powersave; \
+        [[ $$(cat /sys/class/power_supply/BAT0/status 2>/dev/null) != \"Discharging\" ]] && \
+        echo $$(cat /sys/module/snd_hda_intel/parameters/power_save) > /run/udev/snd-hda-intel-powersave && \
+        echo 0 > /sys/module/snd_hda_intel/parameters/power_save'"
+
+SUBSYSTEM=="power_supply", ENV{POWER_SUPPLY_ONLINE}=="0", TEST=="/sys/module/snd_hda_intel", \
+    RUN+="/usr/bin/bash -c 'echo $$(cat /run/udev/snd-hda-intel-powersave 2>/dev/null || \
+        echo 10) > /sys/module/snd_hda_intel/parameters/power_save'"
+
+SUBSYSTEM=="power_supply", ENV{POWER_SUPPLY_ONLINE}=="1", TEST=="/sys/module/snd_hda_intel", \
+    RUN+="/usr/bin/bash -c '[[ $$(cat /sys/module/snd_hda_intel/parameters/power_save) != 0 ]] && \
+        echo $$(cat /sys/module/snd_hda_intel/parameters/power_save) > /run/udev/snd-hda-intel-powersave; \
+        echo 0 > /sys/module/snd_hda_intel/parameters/power_save'"

usr/lib/udev/rules.d/30-zram.rules

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+# When used with ZRAM, it is better to prefer page out only anonymous pages,
+# because it ensures that they do not go out of memory, but will be just
+# compressed. If we do frequent flushing of file pages, that increases the
+# percentage of page cache misses, which in the long term gives additional
+# cycles to re-read the same data from disk that was previously in page cache.
+# This is the reason why it is recommended to use high values from 100 to keep
+# the page cache as hermetic as possible, because otherwise it is "expensive"
+# to read data from disk again. At the same time, uncompressing pages from ZRAM
+# is not as expensive and is usually very fast on modern CPUs.
+#
+# Also it's better to disable Zswap, as this may prevent ZRAM from working
+# properly or keeping a proper count of compressed pages via zramctl.
+ACTION=="change", KERNEL=="zram0", ATTR{initstate}=="1", SYSCTL{vm.swappiness}="150", \
+    RUN+="/bin/sh -c 'echo N > /sys/module/zswap/parameters/enabled'"

usr/lib/udev/rules.d/40-hpet-permissions.rules

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+KERNEL=="rtc0", GROUP="audio"
+KERNEL=="hpet", GROUP="audio"

usr/lib/udev/rules.d/50-sata.rules

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+# SATA Active Link Power Management
+ACTION=="add", SUBSYSTEM=="scsi_host", KERNEL=="host*", \
+    ATTR{link_power_management_policy}=="*", \
+    ATTR{link_power_management_policy}="max_performance"

usr/lib/udev/rules.d/60-ioschedulers.rules

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+# HDD
+ACTION=="add|change", KERNEL=="sd[a-z]*", ATTR{queue/rotational}=="1", \
+    ATTR{queue/scheduler}="bfq"
+
+# SSD
+ACTION=="add|change", KERNEL=="sd[a-z]*|mmcblk[0-9]*", ATTR{queue/rotational}=="0", \
+    ATTR{queue/scheduler}="mq-deadline"
+
+# NVMe SSD
+ACTION=="add|change", KERNEL=="nvme[0-9]*", ATTR{queue/rotational}=="0", \
+    ATTR{queue/scheduler}="none"

usr/lib/udev/rules.d/69-hdparm.rules

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+ACTION=="add|change", KERNEL=="sd[a-z]", ATTR{queue/rotational}=="1", \
+    ATTRS{id/bus}=="ata", RUN+="/usr/bin/hdparm -B 254 -S 0 /dev/%k"

usr/lib/udev/rules.d/71-nvidia.rules

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+# Enable runtime PM for NVIDIA VGA/3D controller devices on driver bind
+ACTION=="add|bind", SUBSYSTEM=="pci", DRIVERS=="nvidia", \
+    ATTR{vendor}=="0x10de", ATTR{class}=="0x03[0-9]*", \
+    TEST=="power/control", ATTR{power/control}="auto"
+
+# Disable runtime PM for NVIDIA VGA/3D controller devices on driver unbind
+ACTION=="remove|unbind", SUBSYSTEM=="pci", DRIVERS=="nvidia", \
+    ATTR{vendor}=="0x10de", ATTR{class}=="0x03[0-9]*", \
+    TEST=="power/control", ATTR{power/control}="on"

usr/lib/udev/rules.d/99-cpu-dma-latency.rules

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+DEVPATH=="/devices/virtual/misc/cpu_dma_latency", OWNER="root", GROUP="audio", MODE="0660"