feat: default to schedutil governor instead of fixed clock speed

skeleton/SYSTEM/tg5040/bin/cpufreq.sh

@@ -0,0 +1,197 @@
+#!/bin/sh
+#
+# cpufreq.sh - CPU governor and frequency control for Allwinner A133p (Tina Linux)
+#
+
+CPU_BASE="/sys/devices/system/cpu"
+AVAIL_GOVS="$CPU_BASE/cpu0/cpufreq/scaling_available_governors"
+AVAIL_FREQS="$CPU_BASE/cpu0/cpufreq/scaling_available_frequencies"
+
+# Default fallback governor
+DEFAULT_GOV="schedutil"
+
+# Helpers
+set_for_all_cpus() {
+    local file=$1
+    local value=$2
+    for cpu in $CPU_BASE/cpu[0-9]*; do
+        if [ -w "$cpu/cpufreq/$file" ]; then
+            echo "$value" > "$cpu/cpufreq/$file" 2>/dev/null
+        fi
+    done
+}
+
+get_max_freq() {
+    cat $AVAIL_FREQS 2>/dev/null | awk '{print $NF}'
+}
+get_min_freq() {
+    cat $AVAIL_FREQS 2>/dev/null | awk '{print $1}'
+}
+
+has_governor() {
+    grep -qw "$1" "$AVAIL_GOVS" 2>/dev/null
+}
+
+reset_cpufreq() {
+    echo "Resetting CPU frequency policy to defaults"
+
+    # Ensure all cores are online
+    for cpu in $CPU_BASE/cpu[0-9]*; do
+        if [ -w "$cpu/online" ]; then
+            echo 1 > "$cpu/online" 2>/dev/null
+        fi
+    done
+
+    # Reset frequency limits
+    for cpu in $CPU_BASE/cpu[0-9]*; do
+        min=$(cat $cpu/cpufreq/cpuinfo_min_freq 2>/dev/null)
+        max=$(cat $cpu/cpufreq/cpuinfo_max_freq 2>/dev/null)
+        [ -w "$cpu/cpufreq/scaling_min_freq" ] && echo "$min" > "$cpu/cpufreq/scaling_min_freq"
+        [ -w "$cpu/cpufreq/scaling_max_freq" ] && echo "$max" > "$cpu/cpufreq/scaling_max_freq"
+    done
+
+    # Reset governor
+    if has_governor "$DEFAULT_GOV"; then
+        echo "Governor reset to $DEFAULT_GOV"
+        set_for_all_cpus scaling_governor "$DEFAULT_GOV"
+    else
+        echo "Governor $DEFAULT_GOV not available, falling back to performance"
+        set_for_all_cpus scaling_governor "performance"
+    fi
+}
+
+detect_profile() {
+    gov=$(cat $CPU_BASE/cpu0/cpufreq/scaling_governor 2>/dev/null)
+    cur=$(cat $CPU_BASE/cpu0/cpufreq/scaling_cur_freq 2>/dev/null)
+    min=$(cat $CPU_BASE/cpu0/cpufreq/cpuinfo_min_freq 2>/dev/null)
+    max=$(cat $CPU_BASE/cpu0/cpufreq/cpuinfo_max_freq 2>/dev/null)
+
+    case "$gov" in
+        performance) echo "performance" ;;
+        powersave)   echo "powersave" ;;
+        ondemand)    echo "ondemand" ;;
+        schedutil)   echo "schedutil" ;;
+        interactive) echo "interactive" ;;
+        conservative)echo "conservative" ;;
+        userspace)
+            if [ "$cur" = "$max" ]; then
+                echo "userspace (max freq)"
+            elif [ "$cur" = "$min" ]; then
+                echo "userspace (min freq)"
+            else
+                echo "userspace (custom freq: $cur)"
+            fi
+            ;;
+        *) echo "unknown governor: $gov" ;;
+    esac
+}
+
+show_status() {
+    echo "=== CPU Frequency/Governor Status ==="
+    echo "Available governors: $(cat $AVAIL_GOVS 2>/dev/null)"
+    echo "Available freqs:     $(cat $AVAIL_FREQS 2>/dev/null)"
+    echo "Active profile:      $(detect_profile)"
+    for cpu in $CPU_BASE/cpu[0-9]*; do
+        online="1"
+        [ -r "$cpu/online" ] && online=$(cat "$cpu/online")
+        gov=$(cat $cpu/cpufreq/scaling_governor 2>/dev/null)
+        cur=$(cat $cpu/cpufreq/scaling_cur_freq 2>/dev/null)
+        smin=$(cat $cpu/cpufreq/scaling_min_freq 2>/dev/null)
+        smax=$(cat $cpu/cpufreq/scaling_max_freq 2>/dev/null)
+        min=$(cat $cpu/cpufreq/cpuinfo_min_freq 2>/dev/null)
+        max=$(cat $cpu/cpufreq/cpuinfo_max_freq 2>/dev/null)
+        echo "$(basename $cpu): online=$online governor=$gov cur=${cur}"
+        echo "   scaling_min=${smin} scaling_max=${smax} (hardware min=${min} max=${max})"
+    done
+}
+
+list_profiles() {
+    echo "Supported profiles on this system:"
+    for gov in $(cat $AVAIL_GOVS 2>/dev/null); do
+        echo "  $gov"
+    done
+    echo "Special modes:"
+    echo "  reset   (restore defaults: $DEFAULT_GOV)"
+    echo "  status  (show current info)"
+    echo "  list    (list supported governors)"
+    echo "  freq    (set specific frequency, requires -f <Hz>, userspace governor)"
+}
+
+usage() {
+    echo "Usage: $0 -p <profile> [-f <freq>]"
+    echo "Profiles:"
+    echo "   performance   - max speed"
+    echo "   powersave     - min speed"
+    echo "   ondemand      - ondemand governor"
+    echo "   schedutil     - schedutil governor (if supported)"
+    echo "   interactive   - interactive governor (if supported)"
+    echo "   conservative  - conservative governor (if supported)"
+    echo "   reset         - restore defaults (all cores online, default min/max, default governor)"
+    echo "   status        - show current governor, freq, active profile, and CPU online status"
+    echo "   list          - list supported governors"
+    echo "   freq          - set exact frequency (requires -f <Hz>, userspace governor)"
+    exit 1
+}
+
+PROFILE=""
+FREQ=""
+
+while getopts "p:f:" opt; do
+    case $opt in
+        p) PROFILE="$OPTARG" ;;
+        f) FREQ="$OPTARG" ;;
+        *) usage ;;
+    esac
+done
+
+[ -z "$PROFILE" ] && usage
+
+case "$PROFILE" in
+    performance)
+        if has_governor performance; then
+            set_for_all_cpus scaling_governor performance
+            set_for_all_cpus scaling_setspeed "$(get_max_freq)"
+        fi
+        ;;
+    powersave)
+        if has_governor powersave; then
+            set_for_all_cpus scaling_governor powersave
+            set_for_all_cpus scaling_setspeed "$(get_min_freq)"
+        fi
+        ;;
+    ondemand|schedutil|interactive|conservative)
+        if has_governor "$PROFILE"; then
+            set_for_all_cpus scaling_governor "$PROFILE"
+        else
+            echo "Governor $PROFILE not supported, falling back to $DEFAULT_GOV"
+            reset_cpufreq
+        fi
+        ;;
+    reset)
+        reset_cpufreq
+        ;;
+    status)
+        show_status
+        ;;
+    list)
+        list_profiles
+        ;;
+    freq)
+        if [ -z "$FREQ" ]; then
+            echo "Error: freq profile requires -f <Hz>"
+            exit 1
+        fi
+        if has_governor userspace; then
+            echo "Setting userspace governor at $FREQ Hz"
+            set_for_all_cpus scaling_governor userspace
+            set_for_all_cpus scaling_setspeed "$FREQ"
+        else
+            echo "userspace governor not supported!"
+            exit 1
+        fi
+        ;;
+    *)
+        echo "Unknown profile: $PROFILE"
+        usage
+        ;;
+esac

skeleton/SYSTEM/tg5040/bin/poweroff_next

@@ -1,4 +1,5 @@
 #!/bin/sh
+# https://github.com/Ninoh-FOX/ADB-shell-trimui/blob/master/Apps/poweroff/poweroff
 
 # Function to terminate all non-essential processes
 task_killer() {

skeleton/SYSTEM/tg5040/bin/reboot_next

@@ -1,4 +1,5 @@
 #!/bin/sh
+# Adapted from https://github.com/Ninoh-FOX/ADB-shell-trimui/blob/master/Apps/poweroff/poweroff
 
 # Function to terminate all non-essential processes
 task_killer() {

skeleton/SYSTEM/tg5040/paks/MinUI.pak/launch.sh

@@ -13,15 +13,6 @@
 
 #######################################
 
-if [ -f "/tmp/poweroff" ]; then
-	poweroff_next
-	exit 0
-fi
-if [ -f "/tmp/reboot" ]; then
-	reboot_next
-	exit 0
-fi
-
 export PLATFORM="tg5040"
 export SDCARD_PATH="/mnt/SDCARD"
 export BIOS_PATH="$SDCARD_PATH/Bios"
@@ -99,20 +90,12 @@ if [ "$TRIMUI_MODEL" = "Trimui Brick" ]; then
 	echo 0 > /sys/class/led_anim/max_scale_lr
 	echo 0 > /sys/class/led_anim/max_scale_f1f2
 fi
-
 # start stock gpio input daemon
 trimui_inputd &
 
-echo userspace > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
-CPU_PATH=/sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed
-CPU_SPEED_PERF=2000000
-echo $CPU_SPEED_PERF > $CPU_PATH
-
 keymon.elf & # &> $SDCARD_PATH/keymon.txt &
 batmon.elf & # &> $SDCARD_PATH/batmon.txt &
 
-#killall MtpDaemon # I dont think we need to micro manage this one
-
 # BT handling
 # on by default, disable based on systemval setting
 bluetoothon=$(nextval.elf bluetooth | sed -n 's/.*"bluetooth": \([0-9]*\).*/\1/p')
@@ -124,7 +107,6 @@ if [ "$bluetoothon" -eq 0 ]; then
 	/etc/bluetooth/bt_init.sh stop > /dev/null 2>&1 &
 else
 	/etc/bluetooth/bt_init.sh start > /dev/null 2>&1 &
-	#bt_daemon -s &
 fi
 
 # wifi handling
@@ -135,7 +117,6 @@ if [ "$wifion" -eq 0 ]; then
 	/etc/wifi/wifi_init.sh stop > /dev/null 2>&1 &
 else 
 	/etc/wifi/wifi_init.sh start > /dev/null 2>&1 &
-	#wifi_daemon -s &
 fi
 
 #######################################
@@ -153,21 +134,25 @@ EXEC_PATH="/tmp/nextui_exec"
 NEXT_PATH="/tmp/next"
 touch "$EXEC_PATH"  && sync
 while [ -f $EXEC_PATH ]; do
+	# boost CPU to speed up transition to main UI
+	cpufreq.sh -p reset
 	nextui.elf &> $LOGS_PATH/nextui.txt
-	echo $CPU_SPEED_PERF > $CPU_PATH
 
 	if [ -f $NEXT_PATH ]; then
+		# at this point main UI exited, boost CPU to speed up transition to new app
+		cpufreq.sh -p reset
 		CMD=`cat $NEXT_PATH`
 		eval $CMD
 		rm -f $NEXT_PATH
-		echo $CPU_SPEED_PERF > $CPU_PATH
 	fi
 
 	if [ -f "/tmp/poweroff" ]; then
+		cpufreq.sh -p reset
 		poweroff_next
 		exit 0
 	fi
 	if [ -f "/tmp/reboot" ]; then
+		cpufreq.sh -p reset
 		reboot_next
 		exit 0
 	fi

workspace/all/common/api.c

@@ -3728,10 +3728,10 @@ void PWR_powerOff(int reboot)
 		GFX_blitMessage(font.large, msg, gfx.screen, &(SDL_Rect){0, 0, gfx.screen->w, gfx.screen->h}); //, NULL);
 		GFX_flip(gfx.screen);
 
-		system("killall -STOP keymon.elf");
-		system("killall -STOP batmon.elf");
-		system("killall -STOP wifi_daemon");
-		system("killall -STOP bt_daemon");
+		system("killall -TERM keymon.elf");
+		system("killall -TERM batmon.elf");
+		system("killall -TERM wifi_daemon");
+		system("killall -TERM bt_daemon");
 
 		PWR_updateFrequency(-1, false);
 
@@ -3759,9 +3759,6 @@ static void PWR_enterSleep(void)
 	}
 	system("killall -STOP keymon.elf");
 	system("killall -STOP batmon.elf");
-	// this is currently handled in wifi_init.sh from suspend script, doing this double or at same time causes problems
-	// system("killall -STOP wifi_daemon");
-	system("killall -STOP bt_daemon");
 
 	PWR_updateFrequency(-1, false);
 
@@ -3780,9 +3777,6 @@ static void PWR_exitSleep(void)
 
 	system("killall -CONT keymon.elf");
 	system("killall -CONT batmon.elf");
-	// this is currently handled in wifi_init.sh from suspend script, doing this double or at same time causes problems
-	// system("killall -CONT wifi_daemon");
-	system("killall -CONT bt_daemon");
 
 	if (GetHDMI())
 	{

workspace/all/common/api.h

@@ -487,6 +487,7 @@ enum {
 	CPU_SPEED_POWERSAVE,
 	CPU_SPEED_NORMAL,
 	CPU_SPEED_PERFORMANCE,
+	CPU_SPEED_ADAPTIVE,
 };
 #define CPU_SWITCH_DELAY_MS 500
 #define PWR_setCPUSpeed PLAT_setCPUSpeed

workspace/all/minarch/minarch.c

@@ -4915,8 +4915,8 @@ void Menu_beforeSleep() {
 	RTC_write();
 	State_autosave();
 	putFile(AUTO_RESUME_PATH, game.path + strlen(SDCARD_PATH));
-	
-	PWR_setCPUSpeed(CPU_SPEED_MENU);
+
+	PWR_setCPUSpeed(CPU_SPEED_ADAPTIVE);
 }
 void Menu_afterSleep() {
 	unlink(AUTO_RESUME_PATH);

workspace/all/nextui/nextui.c

@@ -2152,6 +2152,7 @@ int main (int argc, char *argv[]) {
 	int was_online = PLAT_isOnline();
     int had_bt = PLAT_btIsConnected();
 
+	PWR_setCPUSpeed(CPU_SPEED_MENU);
 	pthread_t cpucheckthread;
     pthread_create(&cpucheckthread, NULL, PLAT_cpu_monitor, NULL);
 

workspace/tg5040/install/boot.sh

@@ -7,10 +7,8 @@ UPDATE_PATH="$SDCARD_PATH/MinUI.zip"
 PAKZ_PATH="$SDCARD_PATH/*.pakz"
 SYSTEM_PATH="$SDCARD_PATH/.system"
 
-echo userspace > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
-CPU_PATH=/sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed
-CPU_SPEED_PERF=2000000
-echo $CPU_SPEED_PERF > $CPU_PATH
+# we cant rely on cpufreq.sh being present, so set manually
+echo schedutil > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
 
 ##Remove Old Led Daemon
 if [ -f "/etc/LedControl" ]; then