pentoo-system: migrate away from the local.d stuff Anton hates, fix the scripts to be better and faster, make them proper services

pentoo/pentoo-system/files/pentoo-linux-symlinks.initd

@@ -0,0 +1,27 @@
+#!/sbin/openrc-run
+
+start() {
+  ebegin "Starting pentoo-linux-symlinks fixer"
+  ##adjust /usr/src/linux link if we are pretty sure we won't screw up the system
+  RETVAL=0
+  KV=$(uname -r)
+  if [ -d "/usr/src/linux-${KV}" ] && [ "$(readlink -e /usr/src/linux)" != "/usr/src/linux-${KV}" ]; then
+    if /usr/bin/qfile /usr/src/linux-${KV} 2>&1 > /dev/null; then
+      if [ -L /usr/src/linux ]; then
+        unlink /usr/src/linux
+      fi
+      ln -s /usr/src/linux-${KV} /usr/src/linux
+      if [ -L /lib/modules/${KV}/build ]; then
+        unlink /lib/modules/${KV}/build
+      fi
+      ln -s /usr/src/linux-${KV} /lib/modules/${KV}/build
+      if [ -L /lib/modules/${KV}/source ]; then
+        unlink /lib/modules/${KV}/source
+      fi
+      ln -s /usr/src/linux-${KV} /lib/modules/${KV}/source
+    else
+      RETVAL=1
+    fi
+  fi
+  eend ${RETVAL} "/usr/src/linux symlink broken, safety check failed, unable to repair"
+}

pentoo/pentoo-system/files/pentoo-powersave.initd

@@ -0,0 +1,110 @@
+#!/sbin/openrc-run
+
+##This file is mostly fixes stolen directly from the recommendations of powertop.
+# For the sake of completeness we will include the fixes we don't want and comment them out with reasoning
+# XXX: This should be rewritten into acpid and this file should just be an initial call to acpid default.sh
+#---------------------------------------------------------------------------------------------------------
+
+start() {
+ebegin "Starting pentoo-powersave"
+##PM runtime (PCI Devices)
+##this links to usb and disables usb devices that suck
+#for i in `find /sys/devices/pci* -name "control"`; do echo "auto" > $i; done
+
+##USB Suspend
+#currently this kills usb mice, and stops my cell phone from charging
+#for i in $(\ls -1 /sys/bus/usb/devices)
+#do
+#	usb_path="/sys/bus/usb/devices/${i}"
+#	if [ -L ${usb_path}/driver ]
+#	then
+#		if [ "$(ls -al ${usb_path}/driver | grep usbhid)" == "" ]
+#		then
+#			echo "Enabling power saving for non-input device ${usb_path}"
+#			ls -al ${usb_path}/driver
+#			[ -e ${usb_path}/power/autosuspend ] && echo 1 > ${usb_path}/power/autosuspend
+#			[ -e ${usb_path}/power/level ] && echo auto > ${usb_path}/power/level
+#			[ -e ${usb_path}/power/control ] && echo auto > ${usb_path}/power/control
+#		else
+#			echo "Not enabling power saving for input device ${usb_path}"
+#			ls -al ${usb_path}/driver
+#		fi
+#	fi
+#done
+
+# allowing to not sync the drive for longer on battery means more lost when we run out of battery, not a fan
+#echo 1500 > /proc/sys/vm/dirty_writeback_centisecs
+
+## This TANKS wifi performance way too much
+#iwconfig wlan0 power timeout 500ms
+
+#intel sound
+if [ -e /sys/module/snd_hda_intel/parameters/power_save ]; then
+	echo 1 > /sys/module/snd_hda_intel/parameters/power_save
+fi
+
+
+##Making devices take longer to power save means more draw
+#USB suspend tweaking based on Linux/Documentation/usb/power-management.txt
+#Change the default autosuspend idle value from 2sec to 60sec
+#for i in /sys/bus/usb/devices/*/power/autosuspend_delay_ms; do echo 60000 > $i; done
+#echo 60 > /sys/module/usbcore/parameters/autosuspend
+
+#disable NMI watchdog (unless we are running a redundant kernel we don't need this)
+if [ -e /proc/sys/kernel/nmi_watchdog ]
+then
+	echo 0 > /proc/sys/kernel/nmi_watchdog
+fi
+
+if [ -e /sys/devices/system/cpu/sched_mc_power_savings ]
+then
+	echo 1 > /sys/devices/system/cpu/sched_mc_power_savings
+fi
+
+##then the battery specific power savings
+scsi_path="/sys/class/scsi_host/"
+cpu_path="/sys/devices/system/cpu/"
+
+if [ "$(cat /sys/class/power_supply/AC*/online)" = "0" ]; then
+	#battery
+	for CPU in $(\ls  ${cpu_path}|grep -E "cpu[0-9]+"); do
+		if [ -e ${cpu_path}/${CPU}/cpufreq/scaling_governor ]; then
+			echo conservative > ${cpu_path}/${CPU}/cpufreq/scaling_governor
+		fi
+	done
+	for controller in $(\ls ${scsi_path}|grep -E "host[0-9]+"); do
+		if [ -e ${scsi_path}${controller}/link_power_management_policy ]; then
+			echo min_power > ${scsi_path}${controller}/link_power_management_policy
+		fi
+	done
+else
+	#AC
+	for CPU in $(\ls  ${scsi_path}|grep -E "cpu[0-9]+"); do
+		if [ -e ${scsi_path}${CPU}/cpufreq/scaling_governor ]; then
+			echo ondemand > ${scsi_path}${CPU}/cpufreq/scaling_governor
+		fi
+	done
+	for controller in $(\ls ${scsi_path}|grep -E "host[0-9]+"); do
+		if [ -e ${scsi_path}${controller}/link_power_management_policy ]; then
+			echo max_performance > ${scsi_path}${controller}/link_power_management_policy
+		fi
+	done
+fi
+eend 0
+}
+
+stop() {
+ebegin "Stopping pentoo-powersave"
+for CPU in $(ls  /sys/devices/system/cpu/|grep -E "cpu[0-9]+"); do
+	if [ -e /sys/devices/system/cpu/${CPU}/cpufreq/scaling_governor ]; then
+		echo performance > /sys/devices/system/cpu/${CPU}/cpufreq/scaling_governor
+	fi
+done
+
+for controller in $(ls /sys/class/scsi_host/|grep -E "host[0-9]+"); do
+	if [ -e /sys/class/scsi_host/${controller}/link_power_management_policy ]; then
+		echo max_performance > /sys/class/scsi_host/${controller}/link_power_management_policy
+	fi
+done
+eend 0
+}

pentoo/pentoo-system/files/pentoo-zram.confd

@@ -0,0 +1,11 @@
+# /etc/init.d/pentoo-zram
+
+# ZRAM creates a virtual swap device in RAM
+# the data is compressed approximately 3x
+# defaults to ZRAM_PERCENT=17 if nothing is set
+
+# How large should zram be as a percentage of ram
+#ZRAM_PERCENT="17"
+
+# How large should zram swap be? (overrides ZRAM_PERCENTAGE)
+#ZRAM_ABSOLUTE="128M"

pentoo/pentoo-system/files/pentoo-zram.initd

@@ -0,0 +1,27 @@
+#!/sbin/openrc-run
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+start() {
+	ebegin "Starting pentoo-zram"
+	RETVAL=0
+	if [ -z "${ZRAM_ABSOLUTE}" ]; then
+		#echo $(expr $(awk '/MemTotal/ {print $2}' /proc/meminfo) / 3)k
+		ZRAM_ABSOLUTE=$(echo "$(awk '/MemTotal/ {print $2}' /proc/meminfo) * 0.${ZRAM_PERCENT:-17}" | bc)k
+	fi
+	modprobe zram
+	sleep 1
+	echo $(nproc) >/sys/devices/virtual/block/zram0/max_comp_streams || REVAL=$?
+	echo lz4 >/sys/devices/virtual/block/zram0/comp_algorithm || RETVAL=$?
+	echo "${ZRAM_ABSOLUTE/\.??/}" > /sys/devices/virtual/block/zram0/disksize || RETVAL=$?
+	mkswap /dev/zram0 > /dev/null || RETVAL=$?
+	swapon /dev/zram0 -p 10 > /dev/null || RETVAL=$?
+	eend ${RETVAL}
+}
+
+# Swap gets torn down without help from this init script
+#stop() {
+#	ebegin "Stopping pentoo-zram"
+#	true
+#	eend $?
+#}

pentoo/pentoo-system/pentoo-system-2018.0-r8.ebuild

@@ -189,10 +189,10 @@ src_install() {
 	insinto /etc/fonts
 	doins "${FILESDIR}"/local.conf
 
-	exeinto /etc/local.d
-	doexe "${FILESDIR}"/00-linux_link.start
-	newexe "${FILESDIR}"/00-speed_shutdown.stop-r2 00-speed_shutdown.stop
-	newexe "${FILESDIR}"/99-power_saving.start-r3 99-power_saving.start
+	newinitd "${FILESDIR}"/pentoo-linux-symlinks.initd pentoo-linux-symlinks
+	newinitd "${FILESDIR}"/pentoo-powersave.initd pentoo-powersave
+	newinitd "${FILESDIR}"/pentoo-zram.initd pentoo-zram
+	newconfd "${FILESDIR}"/pentoo-zram.confd pentoo-zram
 
 	dosym /var/lib/layman/pentoo/scripts/pentoo-updater.sh /usr/sbin/pentoo-updater
 }
@@ -219,4 +219,9 @@ pkg_postinst() {
 			[ "$(md5sum /etc/portage/repos.conf | awk '{ print $1 }')" = "1e1e8a6977e6d2c056cb1223f71d6b07" ] && rm -f /etc/portage/repos.conf
 		fi
 	fi
+	if [[ "${REPLACING_VERSIONS}" < "2018.0-r8" ]]; then
+		#finally removing the local.d crap and making real pentoo services
+		einfo 'You likely want to run "rc-update add pentoo-linux-symlinks default" to migrate to the new symlink fixer.'
+		einfo 'Check out the new /etc/init.d/pentoo-* services and enable the ones you want.'
+	fi
 }