move things from performance-tweaks to common settings

etc/skel/.config/libreoffice/4/user/registrymodifications.xcu

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+<?xml version="1.0" encoding="UTF-8"?>
+<oor:items xmlns:oor="http://openoffice.org/2001/registry" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<item oor:path="/org.openoffice.Office.Common/Misc"><prop oor:name="UseOpenCL" oor:op="fuse"><value>false</value></prop></item>
+<item oor:path="/org.openoffice.Office.Common/VCL"><prop oor:name="ForceOpenGL" oor:op="fuse"><value>false</value></prop></item>
+<item oor:path="/org.openoffice.Office.Common/VCL"><prop oor:name="UseOpenGL" oor:op="fuse"><value>false</value></prop></item>
+</oor:items>

etc/sysctl.d/99-sysctl-garuda.conf

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+# The swappiness sysctl parameter represents the kernel's preference (or avoidance) of swap space. Swappiness can have a value between 0 and 100, the default value is 60. 
+# A low value causes the kernel to avoid swapping, a higher value causes the kernel to try to use swap space. Using a low value on sufficient memory is known to improve responsiveness on many systems.
+vm.swappiness=10
+
+# 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=75
+
+# 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
+
+# The kernel default is to buffer up to 10% of system RAM before flushing writes to the disk, which is insane. By setting a reasonable number of bytes for the `dirty_bytes` parameter, we can avoid sending the system into OOM during a large file transfer.
+vm.dirty_bytes = 16777216
+vm.dirty_background_bytes = 4194304
+
+###############-NOT USED-#################
+
+# Contains, as a percentage of total available memory that contains free pages and reclaimable
+# pages, the number of pages at which a process which is generating disk writes will itself start
+# writing out dirty data (Default is 20).
+#vm.dirty_ratio = 10
+
+# Contains, as a percentage of total available memory that contains free pages and reclaimable
+# pages, the number of pages at which the background kernel flusher threads will start writing out
+# dirty data (Default is 10).
+#vm.dirty_background_ratio = 5
+
+# This tunable is used to define when dirty data is old enough to be eligible for writeout by the
+# kernel flusher threads.  It is expressed in 100'ths of a second.  Data which has been dirty
+# in-memory for longer than this interval will be written out next time a flusher thread wakes up
+# (Default is 3000).
+#vm.dirty_expire_centisecs = 3000
+
+# 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
+
+###########################################

etc/systemd/swap.conf.d/swap.conf

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+zram_enabled=1
+zswap_enabled=0
+swapfc_enabled=0
+zram_size=$(( RAM_SIZE ))
+

etc/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}="max_performance"

etc/udev/rules.d/60-ioschedulers.rules

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+# set scheduler for NVMe
+ACTION=="add|change", KERNEL=="nvme[0-9]n[0-9]", ATTR{queue/scheduler}="none"
+# set scheduler for SSD and eMMC
+ACTION=="add|change", KERNEL=="sd[a-z]|mmcblk[0-9]*", ATTR{queue/rotational}=="0", ATTR{queue/scheduler}="mq-deadline"
+# set scheduler for rotating disks
+ACTION=="add|change", KERNEL=="sd[a-z]", ATTR{queue/rotational}=="1", ATTR{queue/scheduler}="bfq"