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andrejuskandrejusk
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Add Arch performance tuning profile
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‎script/install.d/07-arch-perf.sh‎

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#!/usr/bin/env bash
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# -----------------------------------------------------------------------------
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# Description:
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# Apply Arch/CachyOS performance tuning when NVIDIA hardware is present.
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#
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enable_unit_if_available() {
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local unit=$1
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if systemctl list-unit-files --no-legend 2>/dev/null | awk '{print $1}' | grep -Fxq "$unit"; then
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if sudo systemctl enable --now "$unit" >/dev/null 2>&1; then
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log_info "Enabled systemd unit: $unit"
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else
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log_warn "Unable to enable $unit"
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fi
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else
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log_warn "Unit $unit not found; skipping"
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fi
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}
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skip_with_reason() {
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log_warn "$1"
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return 0
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}
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main() {
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if [[ "${OSTYPE:-}" != linux-gnu* ]]; then
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skip_with_reason "Skipping Arch performance tuning: requires Linux"
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return
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fi
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if [[ ! -r /etc/os-release ]]; then
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skip_with_reason "Skipping Arch performance tuning: /etc/os-release not found"
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return
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fi
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# shellcheck disable=SC1091
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. /etc/os-release
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local id_lower id_like_lower
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id_lower=$(echo "${ID:-}" | tr '[:upper:]' '[:lower:]')
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id_like_lower=$(echo "${ID_LIKE:-}" | tr '[:upper:]' '[:lower:]')
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if [[ "$id_lower" != "arch" && "$id_lower" != "cachyos" && "$id_like_lower" != *"arch"* ]]; then
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skip_with_reason "Skipping Arch performance tuning: ${NAME:-unknown} is not Arch based"
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return
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fi
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if ! command -v pacman >/dev/null 2>&1; then
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skip_with_reason "Skipping Arch performance tuning: pacman not available"
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return
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fi
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if ! command -v nvidia-smi >/dev/null 2>&1; then
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skip_with_reason "Skipping Arch performance tuning: NVIDIA utilities not detected"
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return
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fi
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log_info "Applying performance profile for ${NAME:-Arch Linux}"
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local -a packages=(
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cpupower
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fastfetch
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gamemode
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lib32-gamemode
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lib32-nvidia-utils
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nvidia-settings
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nvidia-utils
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nvtop
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vulkan-tools
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)
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log_info "Ensuring required packages are installed"
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sudo pacman -S --noconfirm --needed "${packages[@]}"
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log_info "Configuring cpupower defaults"
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sudo tee /etc/default/cpupower >/dev/null <<'EOF'
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# Managed by dotfiles performance install
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governor='schedutil'
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min_freq='0'
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max_freq='0'
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EOF
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enable_unit_if_available "cpupower.service"
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log_info "Writing sysctl overrides"
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sudo tee /etc/sysctl.d/99-dots-performance.conf >/dev/null <<'EOF'
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# Managed by dotfiles performance install
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vm.swappiness = 10
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vm.vfs_cache_pressure = 50
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kernel.unprivileged_userns_clone = 1
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EOF
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sudo sysctl -p /etc/sysctl.d/99-dots-performance.conf >/dev/null
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log_info "Setting transparent huge page policy"
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sudo tee /etc/tmpfiles.d/dots-performance-thp.conf >/dev/null <<'EOF'
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# Managed by dotfiles performance install
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w /sys/kernel/mm/transparent_hugepage/enabled - - - - madvise
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w /sys/kernel/mm/transparent_hugepage/defrag - - - - madvise
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EOF
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sudo systemd-tmpfiles --create /etc/tmpfiles.d/dots-performance-thp.conf
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log_info "Configuring NVMe scheduler"
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sudo tee /etc/udev/rules.d/60-dots-nvme-scheduler.rules >/dev/null <<'EOF'
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# Managed by dotfiles performance install
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ACTION=="add|change", KERNEL=="nvme[0-9]n[0-9]", ATTR{queue/scheduler}="none"
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EOF
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sudo udevadm control --reload-rules
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sudo udevadm trigger --subsystem-match=block --action=change
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log_info "Applying NVIDIA module defaults"
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sudo tee /etc/modprobe.d/dots-nvidia-performance.conf >/dev/null <<'EOF'
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# Managed by dotfiles performance install
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options nvidia NVreg_UsePageAttributeTable=1
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options nvidia NVreg_InitializeSystemMemoryAllocations=0
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options nvidia NVreg_EnableGpuFirmware=1
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options nvidia_drm modeset=1 fbdev=1
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EOF
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if command -v mkinitcpio >/dev/null 2>&1; then
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log_info "Rebuilding initramfs for NVIDIA modules"
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sudo mkinitcpio -P >/dev/null
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fi
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enable_unit_if_available "nvidia-persistenced.service"
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enable_unit_if_available "fstrim.timer"
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local config_home="${XDG_CONFIG_HOME:-$HOME/.config}"
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mkdir -p "$config_home"
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log_info "Writing GameMode configuration"
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cat <<'EOF' > "$config_home/gamemode.ini"
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# Managed by dotfiles performance install
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[general]
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renice=10
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ioprio=0
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inhibit_screensaver=1
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[cpu]
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desiredgov=schedutil
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[gpu]
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apply_gpu_optimisations=accept
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gpu_device=0
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nv_powermizer_mode=1
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[custom]
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start=logger -t dots-perf "GameMode activated"
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end=logger -t dots-perf "GameMode deactivated"
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EOF
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log_info "Configuring Proton/DXVK defaults"
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local env_dir="$config_home/environment.d"
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mkdir -p "$env_dir"
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cat <<'EOF' > "$env_dir/99-dots-performance.conf"
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# Managed by dotfiles performance install
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PROTON_ENABLE_NVAPI=1
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PROTON_HIDE_NVIDIA_GPU=0
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DXVK_ASYNC=1
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__GL_THREADED_OPTIMIZATION=1
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EOF
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log_pass "Arch performance tuning complete"
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}
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main "$@"
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unset -f main
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unset -f enable_unit_if_available
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unset -f skip_with_reason

‎script/install.d/99-screenfetch.sh‎

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# -----------------------------------------------------------------------------
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# Description:
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# Print system information.
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# Print system information with optional telemetry details.
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#
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neofetch
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trim() {
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local value="${1:-}"
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value="${value#${value%%[![:space:]]*}}"
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value="${value%${value##*[![:space:]]}}"
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printf '%s' "$value"
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}
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print_fetch() {
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if command -v fastfetch >/dev/null 2>&1; then
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fastfetch
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return
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fi
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if command -v neofetch >/dev/null 2>&1; then
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neofetch
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return
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fi
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log_warn "Skipping fetch output: fastfetch/neofetch not installed"
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}
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log_gpu_stats() {
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if ! command -v nvidia-smi >/dev/null 2>&1; then
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return
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fi
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local line
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line=$(nvidia-smi --query-gpu=name,driver_version,memory.used,memory.total,clocks.gr,clocks.mem --format=csv,noheader,nounits 2>/dev/null | head -n 1)
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if [[ -z "$line" ]]; then
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return
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fi
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IFS=',' read -r gpu_name driver mem_used mem_total clock_gr clock_mem <<< "$line"
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gpu_name=$(trim "$gpu_name")
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driver=$(trim "$driver")
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mem_used=$(trim "$mem_used")
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mem_total=$(trim "$mem_total")
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clock_gr=$(trim "$clock_gr")
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clock_mem=$(trim "$clock_mem")
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[[ -n "$gpu_name" ]] && log_info "GPU: ${gpu_name} (driver ${driver})"
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if [[ -n "$clock_gr" || -n "$clock_mem" ]]; then
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log_info "GPU clocks: ${clock_gr:-?} MHz graphics | ${clock_mem:-?} MHz memory"
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fi
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if [[ -n "$mem_used" && -n "$mem_total" ]]; then
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log_info "GPU memory usage: ${mem_used}/${mem_total} MiB"
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fi
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}
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log_cpu_stats() {
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if ! command -v lscpu >/dev/null 2>&1; then
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return
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fi
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local cpu_model cpu_cur cpu_max
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cpu_model=$(lscpu | awk -F: '/Model name/ {gsub(/^[ \t]+/, "", $2); print $2; exit}')
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cpu_cur=$(lscpu | awk -F: '/CPU MHz/ {gsub(/^[ \t]+/, "", $2); print $2; exit}')
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cpu_max=$(lscpu | awk -F: '/CPU max MHz/ {gsub(/^[ \t]+/, "", $2); print $2; exit}')
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[[ -n "$cpu_model" ]] && log_info "CPU: ${cpu_model}"
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if [[ -n "$cpu_cur" || -n "$cpu_max" ]]; then
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if [[ -n "$cpu_cur" && -n "$cpu_max" ]]; then
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log_info "CPU clock: current ${cpu_cur} MHz (max ${cpu_max} MHz)"
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elif [[ -n "$cpu_cur" ]]; then
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log_info "CPU clock: current ${cpu_cur} MHz"
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else
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log_info "CPU clock: max ${cpu_max} MHz"
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fi
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fi
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}
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print_fetch
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log_gpu_stats
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log_cpu_stats
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unset -f trim
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unset -f print_fetch
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unset -f log_gpu_stats
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unset -f log_cpu_stats

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