230 lines
5.7 KiB
Bash
Executable File
230 lines
5.7 KiB
Bash
Executable File
#!/bin/bash
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SLEEP_SECS_INIT=30
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SLEEP_SECS=$SLEEP_SECS_INIT
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SLEEP_STEP=180
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SLEEP_MAX_SECS=600
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WAKE_SECS=35
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LOCK_DIR="/tmp/sleepwalk"
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CPU_STATE=1
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THRESHOLD="15.00"
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set_cpu_offline() {
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if [ $CPU_STATE -eq 1 ]; then
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echo "Powering off all CPU cores except cpu0"
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for i in $(seq 2); do
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echo 0 > /sys/devices/system/cpu/cpu$i/online
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done
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CPU_STATE=0
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fi
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}
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set_cpu_online() {
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SLEEP_SECS=$SLEEP_SECS_INIT
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if [ $CPU_STATE -eq 0 ]; then
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echo "Powering on all CPU cores except cpu0"
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for i in $(seq 2); do
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echo 1 > /sys/devices/system/cpu/cpu$i/online
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done
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CPU_STATE=1
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fi
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}
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start_deep_sleep() {
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led_sleep
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if [ $((SLEEP_SECS + $SLEEP_STEP)) -lt $SLEEP_MAX_SECS ]; then
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SLEEP_SECS=$((SLEEP_SECS + SLEEP_STEP))
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else
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SLEEP_SECS=$SLEEP_MAX_SECS
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fi
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sleep 5 # Give some extra time for pending output data
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if [ can_suspend ]; then
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WIFI_WAS_ON=$(nmcli r wifi)
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nmcli r wifi off
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echo mem > /sys/power/state 2>/dev/null
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fi
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return $?
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}
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wait_for_notifications() {
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secs=$WAKE_SECS
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is_led_on=0
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while [ $secs -ge 0 ]; do
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sleep 1
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if [ $is_led_on == 0 ]; then
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led_wake
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is_led_on=1
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else
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led_disable
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is_led_on=0
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fi
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if is_screen_on; then
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if is_charging; then
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cpufreq-set -g conservative
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else
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cpufreq-set -g powersave
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fi
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set_cpu_online
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break
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fi
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set_cpu_offline
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secs=$(($secs-1))
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done
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led_disable
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}
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schedule_wake_time() {
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echo "Sleeping for ${SLEEP_SECS}s"
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rtcwake -m no --date "+${SLEEP_SECS}s" 2>&1 >/dev/null
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}
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reset_wake_time() {
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led_wake
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> /sys/class/rtc/rtc0/wakealarm
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}
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is_charging() {
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[ "$(cat /sys/class/power_supply/axp20x-usb/online)" = "1" ]
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}
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is_inhibitor_active() {
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# INHIBITORS=$(sudo -u "$(cat /proc/$(pidof -s gnome-session-ctl)/environ | grep -z USER | sed 's,\x0,,;s,USER=,,')" DBUS_SESSION_BUS_ADDRESS=$(cat /proc/$(pidof -s gnome-session-ctl)/environ | grep -z DBUS_SESSION_BUS_ADDRESS | sed "s,\x0,,;s,DBUS_SESSION_BUS_ADDRESS=,,") gnome-session-inhibit --list)
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# printf "%s\n" "$INHIBITORS"
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INHIBITORS=$(systemd-inhibit --list --what=sleep --mode=block --no-legend \
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| grep -e 'sleep')
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[ -n "$INHIBITORS" ]
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# if [ "$INHIBITORS" = "No inhibitors" ]; then
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# return 1
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# fi
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# return 0
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}
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is_screen_on() {
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return "$(cat /sys/class/backlight/backlight/bl_power)"
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}
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network_activity() {
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for n in $(seq 3)
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do
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for i in wwan0 wlan0
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do
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A=$(ifstat -i $i 1 1 | tail -n1)
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RX=$(echo $A | awk '{print $1}')
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TX=$(echo $A | awk '{print $2}')
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if [ "$RX" = "n/a" ] || [ "$TX" = "n/a" ]
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then
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return 1
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fi
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for v in $RX $TX
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do
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C=$(echo $v $THRESHOLD |
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awk '{if ($1 > $2) print "y"; else print "n"}')
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if [ "$C" = "y" ]
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then
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return 0
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fi
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done
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done
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done
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return 1
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}
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can_suspend() {
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! ( is_inhibitor_active || is_screen_on || is_charging || network_activity )
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}
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led_sleep() {
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:
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# echo 1 > /sys/class/leds/green\:indicator/brightness
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# echo 0 > /sys/class/leds/red\:indicator/brightness
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# echo 0 > /sys/class/leds/blue\:indicator/brightness
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}
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led_wake() {
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:
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# echo 0 > /sys/class/leds/green\:indicator/brightness
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# echo 1 > /sys/class/leds/red\:indicator/brightness
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# echo 0 > /sys/class/leds/blue\:indicator/brightness
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}
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led_disable() {
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:
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# echo 0 > /sys/class/leds/green\:indicator/brightness
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# echo 0 > /sys/class/leds/red\:indicator/brightness
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# echo 0 > /sys/class/leds/blue\:indicator/brightness
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}
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if [ $EUID -ne 0 ]; then
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echo "Needs root" >&2
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exit 1
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fi
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if [ -z "$1" ] || [ "$1" == "-h" ] || [ "$1" == "--help" ]; then
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cat <<-EOF >&2
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Usage: sleepwalk [start/stop]
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Commands:
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start Start sleep cycle
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stop Stop sleep cycle
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EOF
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exit
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fi
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if [ "$1" == "start" ]; then
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if [ -d "$LOCK_DIR" ] || ! mkdir "$LOCK_DIR"; then
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echo "sleepwalk is already running - run 'sleepwalk stop' to stop it" >&2
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exit 1
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fi
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trap "$0 stop" EXIT
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while [ -d "$LOCK_DIR" ]; do
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while ! can_suspend; do
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set_cpu_online
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if is_charging && is_screen_on; then
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cpufreq-set -g conservative
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else
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cpufreq-set -g powersave
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fi
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sleep 10
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done
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reset_wake_time
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schedule_wake_time
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while ! start_deep_sleep; do
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reset_wake_time
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echo "Failed going to sleep, try again in $WAKE_SECS seconds ..." >&2
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wait_for_notifications
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schedule_wake_time
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if ! can_suspend; then
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break
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fi
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done
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if [ "$WIFI_WAS_ON" = "enabled" ]; then
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nmcli r wifi on
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fi
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wait_for_notifications
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done
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elif [ "$1" == "stop" ]; then
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reset_wake_time
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led_disable
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rmdir "$LOCK_DIR" 2>/dev/null
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else
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echo "Unknown command: $1" >&2
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exit 1
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fi
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