🎉

build_raspOVOS.sh

@@ -6,9 +6,9 @@
 set -e
 
 # Update package list and install necessary tools
-echo "Updating base system..."
+echo "Updating base system..."ã
 apt-get update
-apt-get install -y --no-install-recommends git curl i2c-tools swig libssl-dev libfann-dev portaudio19-dev libpulse-dev build-essential python3-dev python3-pip
+apt-get install -y --no-install-recommends git curl systemd-zram-generator i2c-tools swig libssl-dev libfann-dev portaudio19-dev libpulse-dev build-essential python3-dev python3-pip  linux-cpupower
 
 # setup ovos-i2csound
 echo "Installing ovos-i2csound..."
@@ -41,7 +41,10 @@ pip3 install ovos-dinkum-listener[extras,linux,onnx]
 pip3 install ovos-phal[extras,linux,mk1]
 
 
+
+echo "Setting up systemd..."
 # copy system scripts over
+mkdir -p /home/pi/.config/systemd/user/
 cp -v /mounted-github-repo/ovos.service /home/pi/.config/systemd/user/
 cp -v /mounted-github-repo/ovos-skills.service /home/pi/.config/systemd/user/
 cp -v /mounted-github-repo/ovos-messagebus.service /home/pi/.config/systemd/user/
@@ -60,4 +63,182 @@ systemctl enable ovos-admin-phal
 
 systemctl --user daemon-reload
 systemctl daemon-reload
-#chown -v pi:pi /home/pi/README.md
+#chown -v pi:pi /home/pi/README.md
+
+
+# tuning
+
+# Define the backup file
+FSTAB="/etc/fstab"
+BACKUP="/etc/fstab.bak"
+
+# Make a backup of the original /etc/fstab
+cp "$FSTAB" "$BACKUP"
+echo "Backup of /etc/fstab created at $BACKUP"
+
+# Process /etc/fstab
+while IFS= read -r line; do
+    # Skip comments and empty lines
+    if [[ "$line" =~ ^# ]] || [[ -z "$line" ]]; then
+        echo "$line"
+        continue
+    fi
+
+    # Match lines with ext4, xfs, or btrfs filesystems
+    if [[ "$line" =~ ^(\S+)\s+(\S+)\s+(ext4|xfs|btrfs)\s+([^#]*)\s+(\d+)\s+(\d+)$ ]]; then
+        DEVICE="${BASH_REMATCH[1]}"
+        MOUNTPOINT="${BASH_REMATCH[2]}"
+        FSTYPE="${BASH_REMATCH[3]}"
+        OPTIONS="${BASH_REMATCH[4]}"
+        DUMP="${BASH_REMATCH[5]}"
+        PASS="${BASH_REMATCH[6]}"
+
+        # Check if "noatime" is already present
+        if [[ ! "$OPTIONS" =~ noatime ]]; then
+            OPTIONS="$OPTIONS,noatime"
+        fi
+
+        # Check if "nodiratime" is already present
+        if [[ ! "$OPTIONS" =~ nodiratime ]]; then
+            OPTIONS="$OPTIONS,nodiratime"
+        fi
+
+        # Print the updated line
+        echo -e "$DEVICE\t$MOUNTPOINT\t$FSTYPE\t$OPTIONS\t$DUMP\t$PASS"
+    else
+        # Print lines that do not match the filesystem types
+        echo "$line"
+    fi
+done < "$FSTAB" > "${FSTAB}.tmp"
+
+# Replace the original fstab with the updated one
+mv "${FSTAB}.tmp" "$FSTAB"
+echo "Updated /etc/fstab with noatime and nodiratime options."
+
+
+# Configure the CPU governor to "performance"
+CONFIG_FILE="/etc/default/cpupower"
+if [[ -f "$CONFIG_FILE" ]]; then
+    sed -i 's/^CPU_DEFAULT_GOVERNOR=.*/CPU_DEFAULT_GOVERNOR="performance"/' "$CONFIG_FILE"
+else
+    echo 'CPU_DEFAULT_GOVERNOR="performance"' > "$CONFIG_FILE"
+fi
+
+# Create the cpu governor systemd service file
+cp -v /mounted-github-repo/cpu-governor.service /etc/systemd/system/cpu-governor.service
+# Set permissions, enable, and start the service
+chmod 644 /etc/systemd/system/cpu-governor.service
+systemctl daemon-reload
+systemctl enable cpu-governor.service
+echo "CPU governor set to performance and service enabled"
+
+# Load I2C, SPI, and I2S kernel modules and make persistent
+for module in i2c-dev spidev; do
+    if ! grep -q "$module" /etc/modules; then
+        echo "$module" >> /etc/modules
+    fi
+    modprobe "$module"
+done
+
+# Enable I2C, SPI, and I2S in /boot/config.txt
+CONFIG_FILE="/boot/config.txt"
+
+declare -A dtparams=(
+    ["dtparam=i2c_arm"]="on"
+    ["dtparam=spi"]="on"
+    ["dtparam=i2s"]="on"
+)
+
+for key in "${!dtparams[@]}"; do
+    value="${dtparams[$key]}"
+    if grep -q "^${key}=" "$CONFIG_FILE"; then
+        sed -i "s|^${key}=.*|${key}=${value}|" "$CONFIG_FILE"
+    else
+        echo "${key}=${value}" >> "$CONFIG_FILE"
+    fi
+done
+
+echo "Kernel modules and Device Tree parameters configured."
+
+# Define the sysctl configuration file
+SYSCTL_FILE="/etc/sysctl.d/99-ovos.conf"
+
+# Sysctl options to apply
+declare -A sysctl_options=(
+    ["net.ipv4.tcp_slow_start_after_idle"]=0
+    ["net.ipv4.tcp_tw_reuse"]=1
+    ["net.core.netdev_max_backlog"]=50000
+    ["net.ipv4.tcp_max_syn_backlog"]=30000
+    ["net.ipv4.tcp_max_tw_buckets"]=2000000
+    ["net.core.rmem_max"]=16777216
+    ["net.core.wmem_max"]=16777216
+    ["net.core.rmem_default"]=16777216
+    ["net.core.wmem_default"]=16777216
+    ["net.ipv4.tcp_rmem"]="4096 87380 16777216"
+    ["net.ipv4.tcp_wmem"]="4096 65536 16777216"
+    ["net.core.optmem_max"]=40960
+    ["fs.inotify.max_user_instances"]=8192
+    ["fs.inotify.max_user_watches"]=524288
+)
+
+# Create or update sysctl configuration
+echo "# OVOS kernel tuning parameters" > "$SYSCTL_FILE"
+for option in "${!sysctl_options[@]}"; do
+    echo "$option = ${sysctl_options[$option]}" >> "$SYSCTL_FILE"
+done
+
+echo "Kernel tuning parameters applied. Configuration saved to $SYSCTL_FILE."
+
+
+# Define the udev rules file path
+UDEV_RULES_FILE="/etc/udev/rules.d/60-mmc-usb-scheduler.rules"
+
+# Check if the rules file exists and create if necessary
+if [ ! -f "$UDEV_RULES_FILE" ]; then
+    echo "Creating udev rules file at $UDEV_RULES_FILE"
+    touch "$UDEV_RULES_FILE"
+    chown root:root "$UDEV_RULES_FILE"
+    chmod 644 "$UDEV_RULES_FILE"
+fi
+
+# Add I/O scheduler rules for MMC and USB
+echo 'ACTION=="add|change", KERNEL=="mmc*", ATTR{queue/rotational}=="0", ATTR{queue/scheduler}="none"' >> "$UDEV_RULES_FILE"
+echo 'ACTION=="add|change", KERNEL=="sd[a-z]", ATTR{removable}=="1", ATTR{queue/scheduler}="none"' >> "$UDEV_RULES_FILE"
+
+echo "I/O scheduler rules applied for MMC and USB devices."
+
+
+echo "Copying wlan0-power systemd service to /etc/systemd/system/wlan0-power.service"
+cp -v /mounted-github-repo/wlan0-power.service /etc/systemd/system/wlan0-power.service
+sudo systemctl daemon-reload
+sudo systemctl enable wlan0-power.service
+echo "wlan0-power service is now enabled."
+
+
+
+# ZRAM
+cp -v /mounted-github-repo/zram-generator.conf /etc/systemd/zram-generator.conf
+
+
+SYSCTL_CONF="/etc/sysctl.d/98-zram.conf"
+
+
+# Configure sysctl settings for ZRAM
+echo "Applying sysctl settings for ZRAM..."
+cat <<EOL | sudo tee "$SYSCTL_CONF"
+vm.swappiness=100
+vm.page-cluster=0
+vm.vfs_cache_pressure=500
+vm.dirty_background_ratio=1
+vm.dirty_ratio=50
+EOL
+
+# Apply the sysctl settings
+echo "Reloading sysctl settings..."
+sudo sysctl --system
+
+# Reload systemd to apply the configuration changes
+systemctl daemon-reload
+# Start the systemd ZRAM service
+echo "Starting ZRAM service..."
+systemctl enable /dev/zram0

cpu-governor.service

@@ -0,0 +1,12 @@
+[Unit]
+Documentation=https://wiki.archlinux.org/index.php/CPU_frequency_scaling
+Description=Set CPU governor to performance to avoid contex switcing between ondemand and performance
+
+[Service]
+Type=oneshot
+ExecStart=/usr/bin/cpupower frequency-set -g performance
+ExecStop=/usr/bin/cpupower frequency-set -g ondemand
+RemainAfterExit=yes
+
+[Install]
+WantedBy=default.target

wlan0-power.service

@@ -0,0 +1,13 @@
+[Unit]
+Description=Disable wlan0 powersave
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+Type=oneshot
+ExecStart=/sbin/iw wlan0 set power_save off
+ExecStop=/sbin/iw wlan0 set power_save on
+RemainAfterExit=yes
+
+[Install]
+WantedBy=default.target

zram-generator.conf

@@ -0,0 +1,5 @@
+[zram0]
+zram-size = ram / 2
+compression-algorithm = lzo-rle
+swap-priority = 100
+fs-type = swap