Téléverser les fichiers vers "common"
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309
common/functions.sh
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309
common/functions.sh
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##########################################################################################
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#
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# MMT Extended Utility Functions
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#
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##########################################################################################
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require_new_ksu() {
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ui_print "**********************************"
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ui_print " Please install KernelSU v0.6.6+! "
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ui_print "**********************************"
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exit 1
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}
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umount_mirrors() {
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[ -d $ORIGDIR ] || return 0
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for i in $ORIGDIR/*; do
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umount -l $i 2>/dev/null
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done
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rm -rf $ORIGDIR 2>/dev/null
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mount -o ro,remount $MAGISKTMP
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}
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cleanup() {
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$KSU && umount_mirrors
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rm -rf $MODPATH/common $MODPATH/install.zip 2>/dev/null
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}
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abort() {
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ui_print "$1"
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rm -rf $MODPATH 2>/dev/null
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cleanup
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rm -rf $TMPDIR 2>/dev/null
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exit 1
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}
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device_check() {
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local opt=`getopt -o dm -- "$@"` type=device
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eval set -- "$opt"
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while true; do
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case "$1" in
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-d) local type=device; shift;;
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-m) local type=manufacturer; shift;;
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--) shift; break;;
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*) abort "Invalid device_check argument $1! Aborting!";;
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esac
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done
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local prop=$(echo "$1" | tr '[:upper:]' '[:lower:]')
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for i in /system /vendor /odm /product; do
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if [ -f $i/build.prop ]; then
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for j in "ro.product.$type" "ro.build.$type" "ro.product.vendor.$type" "ro.vendor.product.$type"; do
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[ "$(sed -n "s/^$j=//p" $i/build.prop 2>/dev/null | head -n 1 | tr '[:upper:]' '[:lower:]')" == "$prop" ] && return 0
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done
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[ "$type" == "device" ] && [ "$(sed -n "s/^"ro.build.product"=//p" $i/build.prop 2>/dev/null | head -n 1 | tr '[:upper:]' '[:lower:]')" == "$prop" ] && return 0
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fi
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done
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return 1
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}
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cp_ch() {
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local opt=`getopt -o nr -- "$@"` BAK=true UBAK=true FOL=false
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eval set -- "$opt"
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while true; do
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case "$1" in
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-n) UBAK=false; shift;;
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-r) FOL=true; shift;;
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--) shift; break;;
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*) abort "Invalid cp_ch argument $1! Aborting!";;
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esac
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done
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local SRC="$1" DEST="$2" OFILES="$1"
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$FOL && local OFILES=$(find $SRC -type f 2>/dev/null)
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[ -z $3 ] && PERM=0644 || PERM=$3
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case "$DEST" in
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$TMPDIR/*|$MODULEROOT/*|$NVBASE/modules/$MODID/*) BAK=false;;
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esac
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for OFILE in ${OFILES}; do
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if $FOL; then
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if [ "$(basename $SRC)" == "$(basename $DEST)" ]; then
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local FILE=$(echo $OFILE | sed "s|$SRC|$DEST|")
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else
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local FILE=$(echo $OFILE | sed "s|$SRC|$DEST/$(basename $SRC)|")
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fi
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else
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[ -d "$DEST" ] && local FILE="$DEST/$(basename $SRC)" || local FILE="$DEST"
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fi
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if $BAK && $UBAK; then
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[ ! "$(grep "$FILE$" $INFO 2>/dev/null)" ] && echo "$FILE" >> $INFO
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[ -f "$FILE" -a ! -f "$FILE~" ] && { mv -f $FILE $FILE~; echo "$FILE~" >> $INFO; }
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elif $BAK; then
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[ ! "$(grep "$FILE$" $INFO 2>/dev/null)" ] && echo "$FILE" >> $INFO
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fi
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install -D -m $PERM "$OFILE" "$FILE"
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done
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}
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install_script() {
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case "$1" in
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-b) shift;
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if $KSU; then
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local INPATH=$NVBASE/boot-completed.d
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else
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local INPATH=$SERVICED
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sed -i -e '1i (\nwhile [ "$(getprop sys.boot_completed)" != "1" ]; do\n sleep 1\ndone\nsleep 3\n' -e '$a)&' $1
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fi;;
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-l) shift; local INPATH=$SERVICED;;
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-p) shift; local INPATH=$POSTFSDATAD;;
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*) local INPATH=$SERVICED;;
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esac
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[ "$(grep "#!/system/bin/sh" $1)" ] || sed -i "1i #!/system/bin/sh" $1
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local i; for i in "MODPATH" "LIBDIR" "MODID" "INFO" "MODDIR"; do
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case $i in
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"MODPATH") sed -i "1a $i=$NVBASE/modules/$MODID" $1;;
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"MODDIR") sed -i "1a $i=\${0%/*}" $1;;
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*) sed -i "1a $i=$(eval echo \$$i)" $1;;
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esac
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done
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case $1 in
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"$MODPATH/post-fs-data.sh"|"$MODPATH/service.sh"|"$MODPATH/uninstall.sh") sed -i "s|^MODPATH=.*|MODPATH=\$MODDIR|" $1;; # MODPATH=MODDIR for these scripts (located in module directory)
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"$MODPATH/boot-completed.sh") $KSU && sed -i "s|^MODPATH=.*|MODPATH=\$MODDIR|" $1 || { cp_ch -n $1 $INPATH/$MODID-$(basename $1) 0755; rm -f $MODPATH/boot-completed.sh; };;
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*) cp_ch -n $1 $INPATH/$(basename $1) 0755;;
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esac
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}
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prop_process() {
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sed -i -e "/^#/d" -e "/^ *$/d" $1
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[ -f $MODPATH/system.prop ] || mktouch $MODPATH/system.prop
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while read LINE; do
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echo "$LINE" >> $MODPATH/system.prop
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done < $1
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}
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mount_mirrors() {
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mount -o rw,remount $MAGISKTMP
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mkdir -p $ORIGDIR/system
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if $SYSTEM_ROOT; then
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mkdir -p $ORIGDIR/system_root
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mount -o ro / $ORIGDIR/system_root
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mount -o bind $ORIGDIR/system_root/system $ORIGDIR/system
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else
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mount -o ro /system $ORIGDIR/system
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fi
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for i in /vendor $PARTITIONS; do
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[ ! -d $i -o -d $ORIGDIR$i ] && continue
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mkdir -p $ORIGDIR$i
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mount -o ro $i $ORIGDIR$i
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done
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}
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# Credits
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ui_print "**************************************"
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ui_print "* MMT Extended by Zackptg5 @ XDA *"
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ui_print "**************************************"
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ui_print " "
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# Check for min/max api version
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[ -z $MINAPI ] || { [ $API -lt $MINAPI ] && abort "! Your system API of $API is less than the minimum api of $MINAPI! Aborting!"; }
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[ -z $MAXAPI ] || { [ $API -gt $MAXAPI ] && abort "! Your system API of $API is greater than the maximum api of $MAXAPI! Aborting!"; }
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# Min KSU v0.6.6
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[ -z $KSU ] && KSU=false
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$KSU && { [ $KSU_VER_CODE -lt 11184 ] && require_new_ksu; }
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# Start debug
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set -x
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# Set variables
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[ -z $ARCH32 ] && ARCH32="$(echo $ABI32 | cut -c-3)"
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[ $API -lt 26 ] && DYNLIB=false
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[ -z $DYNLIB ] && DYNLIB=false
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[ -z $PARTOVER ] && PARTOVER=false
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[ -z $SYSTEM_ROOT ] && SYSTEM_ROOT=$SYSTEM_AS_ROOT # renamed in magisk v26.3
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[ -z $SERVICED ] && SERVICED=$NVBASE/service.d # removed in magisk v26.2
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[ -z $POSTFSDATAD ] && POSTFSDATAD=$NVBASE/post-fs-data.d # removed in magisk v26.2
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INFO=$NVBASE/modules/.$MODID-files
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if $KSU; then
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MAGISKTMP="/mnt"
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ORIGDIR="$MAGISKTMP/mirror"
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mount_mirrors
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elif [ "$(magisk --path 2>/dev/null)" ]; then
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ORIGDIR="$(magisk --path 2>/dev/null)/.magisk/mirror"
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elif [ "$(echo $MAGISKTMP | awk -F/ '{ print $NF}')" == ".magisk" ]; then
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ORIGDIR="$MAGISKTMP/mirror"
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else
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ORIGDIR="$MAGISKTMP/.magisk/mirror"
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fi
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if $DYNLIB; then
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LIBPATCH="\/vendor"
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LIBDIR=/system/vendor
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else
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LIBPATCH="\/system"
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LIBDIR=/system
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fi
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# Detect extra partition compatibility (KernelSU or Magisk Delta)
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EXTRAPART=false
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if $KSU || [ "$(echo $MAGISK_VER | awk -F- '{ print $NF}')" == "delta" ]; then
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EXTRAPART=true
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elif ! $PARTOVER; then
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unset PARTITIONS
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fi
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if ! $BOOTMODE; then
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ui_print "- Only uninstall is supported in recovery"
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ui_print " Uninstalling!"
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touch $MODPATH/remove
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[ -s $INFO ] && install_script $MODPATH/uninstall.sh || rm -f $INFO $MODPATH/uninstall.sh
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recovery_cleanup
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cleanup
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rm -rf $NVBASE/modules_update/$MODID $TMPDIR 2>/dev/null
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exit 0
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fi
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# Extract files
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ui_print "- Extracting module files"
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unzip -o "$ZIPFILE" -x 'META-INF/*' 'common/functions.sh' -d $MODPATH >&2
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[ -f "$MODPATH/common/addon.tar.xz" ] && tar -xf $MODPATH/common/addon.tar.xz -C $MODPATH/common 2>/dev/null
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# Run addons
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if [ "$(ls -A $MODPATH/common/addon/*/install.sh 2>/dev/null)" ]; then
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ui_print " "; ui_print "- Running Addons -"
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for i in $MODPATH/common/addon/*/install.sh; do
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ui_print " Running $(echo $i | sed -r "s|$MODPATH/common/addon/(.*)/install.sh|\1|")..."
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. $i
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done
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fi
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# Remove files outside of module directory
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ui_print "- Removing old files"
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if [ -f $INFO ]; then
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while read LINE; do
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if [ "$(echo -n $LINE | tail -c 1)" == "~" ]; then
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continue
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elif [ -f "$LINE~" ]; then
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mv -f $LINE~ $LINE
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else
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rm -f $LINE
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while true; do
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LINE=$(dirname $LINE)
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[ "$(ls -A $LINE 2>/dev/null)" ] && break 1 || rm -rf $LINE
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done
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fi
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done < $INFO
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rm -f $INFO
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fi
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### Install
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ui_print "- Installing"
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[ -f "$MODPATH/common/install.sh" ] && . $MODPATH/common/install.sh
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ui_print " Installing for $ARCH SDK $API device..."
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# Remove comments from files and place them, add blank line to end if not already present
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for i in $(find $MODPATH -type f -name "*.sh" -o -name "*.prop" -o -name "*.rule"); do
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[ -f $i ] && { sed -i -e "/^#/d" -e "/^ *$/d" $i; [ "$(tail -1 $i)" ] && echo "" >> $i; } || continue
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case $i in
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"$MODPATH/boot-completed.sh") install_script -b $i;;
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"$MODPATH/service.sh") install_script -l $i;;
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"$MODPATH/post-fs-data.sh") install_script -p $i;;
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"$MODPATH/uninstall.sh") if [ -s $INFO ] || [ "$(head -n1 $MODPATH/uninstall.sh)" != "# Don't modify anything after this" ]; then
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cp -f $MODPATH/uninstall.sh $MODPATH/$MODID-uninstall.sh # Fallback script in case module manually deleted
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sed -i "1i[ -d \"\$MODPATH\" ] && exit 0" $MODPATH/$MODID-uninstall.sh
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echo 'rm -f $0' >> $MODPATH/$MODID-uninstall.sh
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install_script -l $MODPATH/$MODID-uninstall.sh
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rm -f $MODPATH/$MODID-uninstall.sh
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install_script $MODPATH/uninstall.sh
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else
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rm -f $INFO $MODPATH/uninstall.sh
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fi;;
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esac
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done
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$IS64BIT || for i in $(find $MODPATH/system -type d -name "lib64"); do rm -rf $i 2>/dev/null; done
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[ -d "/system/priv-app" ] || mv -f $MODPATH/system/priv-app $MODPATH/system/app 2>/dev/null
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[ -d "/system/xbin" ] || mv -f $MODPATH/system/xbin $MODPATH/system/bin 2>/dev/null
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if $DYNLIB; then
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for FILE in $(find $MODPATH/system/lib* -type f 2>/dev/null | sed "s|$MODPATH/system/||"); do
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[ -s $MODPATH/system/$FILE ] || continue
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case $FILE in
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lib*/modules/*) continue;;
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esac
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mkdir -p $(dirname $MODPATH/system/vendor/$FILE)
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mv -f $MODPATH/system/$FILE $MODPATH/system/vendor/$FILE
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[ "$(ls -A `dirname $MODPATH/system/$FILE`)" ] || rm -rf `dirname $MODPATH/system/$FILE`
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done
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# Delete empty lib folders (busybox find doesn't have this capability)
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toybox find $MODPATH/system/lib* -type d -empty -delete >/dev/null 2>&1
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fi
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# Set permissions
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ui_print " "
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ui_print "- Setting Permissions"
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set_perm_recursive $MODPATH 0 0 0755 0644
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for i in /system/vendor /vendor /system/vendor/app /vendor/app /system/vendor/etc /vendor/etc /system/odm/etc /odm/etc /system/vendor/odm/etc /vendor/odm/etc /system/vendor/overlay /vendor/overlay; do
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if [ -d "$MODPATH$i" ] && [ ! -L "$MODPATH$i" ]; then
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case $i in
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*"/vendor") set_perm_recursive $MODPATH$i 0 0 0755 0644 u:object_r:vendor_file:s0;;
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*"/app") set_perm_recursive $MODPATH$i 0 0 0755 0644 u:object_r:vendor_app_file:s0;;
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*"/overlay") set_perm_recursive $MODPATH$i 0 0 0755 0644 u:object_r:vendor_overlay_file:s0;;
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*"/etc") set_perm_recursive $MODPATH$i 0 2000 0755 0644 u:object_r:vendor_configs_file:s0;;
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esac
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fi
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done
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for i in $(find $MODPATH/system/vendor $MODPATH/vendor -type f -name *".apk" 2>/dev/null); do
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chcon u:object_r:vendor_app_file:s0 $i
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done
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set_permissions
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# Complete install
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cleanup
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28
common/install.sh
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28
common/install.sh
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SOC=`getprop ro.board.platform`
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ui_print ""
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ui_print "*** $MODID"
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ui_print "** SDK $API"
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ui_print "** ARCH $ARCH"
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ui_print "** SOC $SOC"
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ui_print "***"
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ui_print ""
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#
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# JoyPixels installation
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#
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# The following is the default implementation: extract $ZIPFILE/system to $MODPATH
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# Extend/change the logic to whatever you want
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ui_print "- Extracting module files"
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unzip -o "$ZIPFILE" 'system/fonts/JoyPixels.ttf' -d $MODPATH >&2
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ui_print "- Searching in fonts.xml"
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[[ -d /sbin/.core/mirror ]] && MIRRORPATH=/sbin/.core/mirror || unset MIRRORPATH
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FILE=/system/etc/fonts.xml
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FILENAME=$(sed -ne '/<family lang="und-Zsye".*>/,/<\/family>/ {s/.*<font weight="400" style="normal">\(.*\)<\/font>.*/\1/p;}' $MIRRORPATH$FILE)
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for i in $FILENAME
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do
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ui_print "- Copying fonts files to $i"
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cp -f $MODPATH/system/fonts/JoyPixels.ttf $MODPATH/system/fonts/$i
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done
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240
common/service_balance.txt
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240
common/service_balance.txt
Normal file
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#
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_SLEEPBOOT=60
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RETRY_INTERVAL=${_SLEEPBOOT} #in seconds
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MAX_RETRY=3
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retry=${MAX_RETRY}
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while (("$retry" > "0")) && [ "$(getprop sys.boot_completed)" != "1" ]; do
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sleep ${RETRY_INTERVAL}
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(($retry--))
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done
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### --------------------------------------------------
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### Kraoc
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### --------------------------------------------------
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# Random entropy
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setprop kernel.random.read_wakeup_threshold 128
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setprop kernel.random.write_wakeup_threshold 896
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sysctl -e -w kernel.random.read_wakeup_threshold=128
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sysctl -e -w kernel.random.write_wakeup_threshold=896
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# UI scale
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settings put global window_animation_scale 0.25
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settings put global transition_animation_scale 0.25
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settings put global animator_duration_scale 0.25
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### --------------------------------------------------
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### Ktweaks
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### --------------------------------------------------
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#!/usr/bin/env bash
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# Written by Draco (tytydraco @ GitHub)
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# The name of the current branch for logging purposes
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BRANCH="balance"
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# Maximum unsigned integer size in C
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UINT_MAX="4294967295"
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# Duration in nanoseconds of one scheduling period
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SCHED_PERIOD="$((4 * 1000 * 1000))"
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# How many tasks should we have at a maximum in one scheduling period
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SCHED_TASKS="8"
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write() {
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# Bail out if file does not exist
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[[ ! -f "$1" ]] && return 1
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# Make file writable in case it is not already
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chmod +w "$1" 2> /dev/null
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# Write the new value and bail if there's an error
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if ! echo "$2" > "$1" 2> /dev/null
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then
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# echo "Failed: $1 → $2"
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return 1
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fi
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||||
# Log the success
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# echo "$1 → $2"
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}
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## Check for root permissions and bail if not granted
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#if [[ "$(id -u)" -ne 0 ]]
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#then
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## echo "No root permissions. Exiting."
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# exit 1
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||||
#fi
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||||
# Detect if we are running on Android
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#grep -q android /proc/cmdline && ANDROID=true
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ANDROID=true
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||||
## Log the date and time for records sake
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||||
#echo "Time of execution: $(date)"
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#echo "Branch: $BRANCH"
|
||||
|
||||
# Sync to data in the rare case a device crashes
|
||||
#sync
|
||||
|
||||
# Limit max perf event processing time to this much CPU usage
|
||||
write /proc/sys/kernel/perf_cpu_time_max_percent 5
|
||||
|
||||
# Group tasks for less stutter but less throughput
|
||||
write /proc/sys/kernel/sched_autogroup_enabled 1
|
||||
|
||||
# Execute child process before parent after fork
|
||||
write /proc/sys/kernel/sched_child_runs_first 1
|
||||
|
||||
# Preliminary requirement for the following values
|
||||
write /proc/sys/kernel/sched_tunable_scaling 0
|
||||
|
||||
# Reduce the maximum scheduling period for lower latency
|
||||
write /proc/sys/kernel/sched_latency_ns "$SCHED_PERIOD"
|
||||
|
||||
# Schedule this ratio of tasks in the guarenteed sched period
|
||||
write /proc/sys/kernel/sched_min_granularity_ns "$((SCHED_PERIOD / SCHED_TASKS))"
|
||||
|
||||
# Require preeptive tasks to surpass half of a sched period in vmruntime
|
||||
write /proc/sys/kernel/sched_wakeup_granularity_ns "$((SCHED_PERIOD / 2))"
|
||||
|
||||
# Reduce the frequency of task migrations
|
||||
write /proc/sys/kernel/sched_migration_cost_ns 5000000
|
||||
|
||||
# Always allow sched boosting on top-app tasks
|
||||
[[ "$ANDROID" == true ]] && write /proc/sys/kernel/sched_min_task_util_for_colocation 0
|
||||
|
||||
# Improve real time latencies by reducing the scheduler migration time
|
||||
write /proc/sys/kernel/sched_nr_migrate 32
|
||||
|
||||
# Disable scheduler statistics to reduce overhead
|
||||
write /proc/sys/kernel/sched_schedstats 0
|
||||
|
||||
# Disable unnecessary printk logging
|
||||
write /proc/sys/kernel/printk_devkmsg off
|
||||
|
||||
# Start non-blocking writeback later
|
||||
write /proc/sys/vm/dirty_background_ratio 10
|
||||
|
||||
# Start blocking writeback later
|
||||
write /proc/sys/vm/dirty_ratio 30
|
||||
|
||||
# Require dirty memory to stay in memory for longer
|
||||
write /proc/sys/vm/dirty_expire_centisecs 3000
|
||||
|
||||
# Run the dirty memory flusher threads less often
|
||||
write /proc/sys/vm/dirty_writeback_centisecs 3000
|
||||
|
||||
# Disable read-ahead for swap devices
|
||||
write /proc/sys/vm/page-cluster 0
|
||||
|
||||
# Update /proc/stat less often to reduce jitter
|
||||
write /proc/sys/vm/stat_interval 10
|
||||
|
||||
# Swap to the swap device at a fair rate
|
||||
write /proc/sys/vm/swappiness 100
|
||||
|
||||
# Fairly prioritize page cache and file structures
|
||||
write /proc/sys/vm/vfs_cache_pressure 100
|
||||
|
||||
# Enable Explicit Congestion Control
|
||||
write /proc/sys/net/ipv4/tcp_ecn 1
|
||||
|
||||
# Enable fast socket open for receiver and sender
|
||||
write /proc/sys/net/ipv4/tcp_fastopen 3
|
||||
|
||||
# Disable SYN cookies
|
||||
write /proc/sys/net/ipv4/tcp_syncookies 0
|
||||
|
||||
if [[ -f "/sys/kernel/debug/sched_features" ]]
|
||||
then
|
||||
# Consider scheduling tasks that are eager to run
|
||||
write /sys/kernel/debug/sched_features NEXT_BUDDY
|
||||
|
||||
# Schedule tasks on their origin CPU if possible
|
||||
write /sys/kernel/debug/sched_features TTWU_QUEUE
|
||||
fi
|
||||
|
||||
[[ "$ANDROID" == true ]] && if [[ -d "/dev/stune/" ]]
|
||||
then
|
||||
# We are not concerned with prioritizing latency
|
||||
write /dev/stune/top-app/schedtune.prefer_idle 0
|
||||
|
||||
# Mark top-app as boosted, find high-performing CPUs
|
||||
write /dev/stune/top-app/schedtune.boost 1
|
||||
fi
|
||||
|
||||
# Loop over each CPU in the system
|
||||
for cpu in /sys/devices/system/cpu/cpu*/cpufreq
|
||||
do
|
||||
# Fetch the available governors from the CPU
|
||||
avail_govs="$(cat "$cpu/scaling_available_governors")"
|
||||
|
||||
# Attempt to set the governor in this order
|
||||
for governor in schedutil interactive
|
||||
do
|
||||
# Once a matching governor is found, set it and break for this CPU
|
||||
if [[ "$avail_govs" == *"$governor"* ]]
|
||||
then
|
||||
write "$cpu/scaling_governor" "$governor"
|
||||
break
|
||||
fi
|
||||
done
|
||||
done
|
||||
|
||||
# Apply governor specific tunables for schedutil
|
||||
find /sys/devices/system/cpu/ -name schedutil -type d | while IFS= read -r governor
|
||||
do
|
||||
# Consider changing frequencies once per scheduling period
|
||||
write "$governor/up_rate_limit_us" "$((SCHED_PERIOD / 1000))"
|
||||
write "$governor/down_rate_limit_us" "$((4 * SCHED_PERIOD / 1000))"
|
||||
write "$governor/rate_limit_us" "$((SCHED_PERIOD / 1000))"
|
||||
|
||||
# Jump to hispeed frequency at this load percentage
|
||||
write "$governor/hispeed_load" 90
|
||||
write "$governor/hispeed_freq" "$UINT_MAX"
|
||||
done
|
||||
|
||||
# Apply governor specific tunables for interactive
|
||||
find /sys/devices/system/cpu/ -name interactive -type d | while IFS= read -r governor
|
||||
do
|
||||
# Consider changing frequencies once per scheduling period
|
||||
write "$governor/timer_rate" "$((SCHED_PERIOD / 1000))"
|
||||
write "$governor/min_sample_time" "$((SCHED_PERIOD / 1000))"
|
||||
|
||||
# Jump to hispeed frequency at this load percentage
|
||||
write "$governor/go_hispeed_load" 90
|
||||
write "$governor/hispeed_freq" "$UINT_MAX"
|
||||
done
|
||||
|
||||
for queue in /sys/block/*/queue
|
||||
do
|
||||
# Choose the first governor available
|
||||
avail_scheds="$(cat "$queue/scheduler")"
|
||||
for sched in cfq noop kyber bfq mq-deadline none
|
||||
do
|
||||
if [[ "$avail_scheds" == *"$sched"* ]]
|
||||
then
|
||||
write "$queue/scheduler" "$sched"
|
||||
break
|
||||
fi
|
||||
done
|
||||
|
||||
# Do not use I/O as a source of randomness
|
||||
write "$queue/add_random" 0
|
||||
|
||||
# Disable I/O statistics accounting
|
||||
write "$queue/iostats" 0
|
||||
|
||||
# Reduce heuristic read-ahead in exchange for I/O latency
|
||||
write "$queue/read_ahead_kb" 128
|
||||
|
||||
# Reduce the maximum number of I/O requests in exchange for latency
|
||||
write "$queue/nr_requests" 64
|
||||
done
|
||||
|
||||
# Always return success, even if the last write fails
|
||||
#exit 0
|
||||
240
common/service_budget.txt
Normal file
240
common/service_budget.txt
Normal file
@ -0,0 +1,240 @@
|
||||
#
|
||||
_SLEEPBOOT=60
|
||||
RETRY_INTERVAL=${_SLEEPBOOT} #in seconds
|
||||
MAX_RETRY=3
|
||||
retry=${MAX_RETRY}
|
||||
while (("$retry" > "0")) && [ "$(getprop sys.boot_completed)" != "1" ]; do
|
||||
sleep ${RETRY_INTERVAL}
|
||||
(($retry--))
|
||||
done
|
||||
|
||||
|
||||
### --------------------------------------------------
|
||||
### Kraoc
|
||||
### --------------------------------------------------
|
||||
|
||||
# Random entropy
|
||||
setprop kernel.random.read_wakeup_threshold 128
|
||||
setprop kernel.random.write_wakeup_threshold 896
|
||||
sysctl -e -w kernel.random.read_wakeup_threshold=128
|
||||
sysctl -e -w kernel.random.write_wakeup_threshold=896
|
||||
|
||||
# UI scale
|
||||
settings put global window_animation_scale 0.25
|
||||
settings put global transition_animation_scale 0.25
|
||||
settings put global animator_duration_scale 0.25
|
||||
|
||||
|
||||
### --------------------------------------------------
|
||||
### Ktweaks
|
||||
### --------------------------------------------------
|
||||
|
||||
#!/usr/bin/env bash
|
||||
# Written by Draco (tytydraco @ GitHub)
|
||||
|
||||
# The name of the current branch for logging purposes
|
||||
BRANCH="budget"
|
||||
|
||||
# Maximum unsigned integer size in C
|
||||
UINT_MAX="4294967295"
|
||||
|
||||
# Duration in nanoseconds of one scheduling period
|
||||
SCHED_PERIOD="$((5 * 1000 * 1000))"
|
||||
|
||||
# How many tasks should we have at a maximum in one scheduling period
|
||||
SCHED_TASKS="5"
|
||||
|
||||
write() {
|
||||
# Bail out if file does not exist
|
||||
[[ ! -f "$1" ]] && return 1
|
||||
|
||||
# Make file writable in case it is not already
|
||||
chmod +w "$1" 2> /dev/null
|
||||
|
||||
# Write the new value and bail if there's an error
|
||||
if ! echo "$2" > "$1" 2> /dev/null
|
||||
then
|
||||
# echo "Failed: $1 → $2"
|
||||
return 1
|
||||
fi
|
||||
|
||||
# Log the success
|
||||
# echo "$1 → $2"
|
||||
}
|
||||
|
||||
## Check for root permissions and bail if not granted
|
||||
#if [[ "$(id -u)" -ne 0 ]]
|
||||
#then
|
||||
## echo "No root permissions. Exiting."
|
||||
# exit 1
|
||||
#fi
|
||||
|
||||
# Detect if we are running on Android
|
||||
#grep -q android /proc/cmdline && ANDROID=true
|
||||
ANDROID=true
|
||||
|
||||
## Log the date and time for records sake
|
||||
#echo "Time of execution: $(date)"
|
||||
#echo "Branch: $BRANCH"
|
||||
|
||||
# Sync to data in the rare case a device crashes
|
||||
#sync
|
||||
|
||||
# Limit max perf event processing time to this much CPU usage
|
||||
write /proc/sys/kernel/perf_cpu_time_max_percent 2
|
||||
|
||||
# Group tasks for less stutter but less throughput
|
||||
write /proc/sys/kernel/sched_autogroup_enabled 1
|
||||
|
||||
# Execute child process before parent after fork
|
||||
write /proc/sys/kernel/sched_child_runs_first 0
|
||||
|
||||
# Preliminary requirement for the following values
|
||||
write /proc/sys/kernel/sched_tunable_scaling 0
|
||||
|
||||
# Reduce the maximum scheduling period for lower latency
|
||||
write /proc/sys/kernel/sched_latency_ns "$SCHED_PERIOD"
|
||||
|
||||
# Schedule this ratio of tasks in the guarenteed sched period
|
||||
write /proc/sys/kernel/sched_min_granularity_ns "$((SCHED_PERIOD / SCHED_TASKS))"
|
||||
|
||||
# Require preeptive tasks to surpass half of a sched period in vmruntime
|
||||
write /proc/sys/kernel/sched_wakeup_granularity_ns "$((SCHED_PERIOD / 2))"
|
||||
|
||||
# Reduce the frequency of task migrations
|
||||
write /proc/sys/kernel/sched_migration_cost_ns 5000000
|
||||
|
||||
# Always allow sched boosting on top-app tasks
|
||||
[[ "$ANDROID" == true ]] && write /proc/sys/kernel/sched_min_task_util_for_colocation 0
|
||||
|
||||
# Give up some latency to give the CPU a break
|
||||
write /proc/sys/kernel/sched_nr_migrate 256
|
||||
|
||||
# Disable scheduler statistics to reduce overhead
|
||||
write /proc/sys/kernel/sched_schedstats 0
|
||||
|
||||
# Disable unnecessary printk logging
|
||||
write /proc/sys/kernel/printk_devkmsg off
|
||||
|
||||
# Budget devices are low-ram devices, don't let this build up
|
||||
write /proc/sys/vm/dirty_background_ratio 2
|
||||
|
||||
# Flush completely when this much of the device is fulled
|
||||
write /proc/sys/vm/dirty_ratio 5
|
||||
|
||||
# Expire dirty memory very early
|
||||
write /proc/sys/vm/dirty_expire_centisecs 500
|
||||
|
||||
# Run the dirty memory flusher threads more often
|
||||
write /proc/sys/vm/dirty_writeback_centisecs 500
|
||||
|
||||
# Disable read-ahead for swap devices
|
||||
write /proc/sys/vm/page-cluster 0
|
||||
|
||||
# Update /proc/stat less often to reduce jitter
|
||||
write /proc/sys/vm/stat_interval 10
|
||||
|
||||
# Swap to the swap device at a fair rate
|
||||
write /proc/sys/vm/swappiness 100
|
||||
|
||||
# Fairly prioritize page cache and file structures
|
||||
write /proc/sys/vm/vfs_cache_pressure 100
|
||||
|
||||
# Enable Explicit Congestion Control
|
||||
write /proc/sys/net/ipv4/tcp_ecn 1
|
||||
|
||||
# Enable fast socket open for receiver and sender
|
||||
write /proc/sys/net/ipv4/tcp_fastopen 3
|
||||
|
||||
# Disable SYN cookies
|
||||
write /proc/sys/net/ipv4/tcp_syncookies 0
|
||||
|
||||
if [[ -f "/sys/kernel/debug/sched_features" ]]
|
||||
then
|
||||
# Consider scheduling tasks that are eager to run
|
||||
write /sys/kernel/debug/sched_features NEXT_BUDDY
|
||||
|
||||
# Prioritize power over cache hits
|
||||
write /sys/kernel/debug/sched_features NO_TTWU_QUEUE
|
||||
fi
|
||||
|
||||
[[ "$ANDROID" == true ]] && if [[ -d "/dev/stune/" ]]
|
||||
then
|
||||
# We are not concerned with prioritizing latency
|
||||
write /dev/stune/top-app/schedtune.prefer_idle 0
|
||||
|
||||
# Don't boost foreground tasks, let the governor handle it
|
||||
write /dev/stune/top-app/schedtune.boost 0
|
||||
fi
|
||||
|
||||
# Loop over each CPU in the system
|
||||
for cpu in /sys/devices/system/cpu/cpu*/cpufreq
|
||||
do
|
||||
# Fetch the available governors from the CPU
|
||||
avail_govs="$(cat "$cpu/scaling_available_governors")"
|
||||
|
||||
# Attempt to set the governor in this order
|
||||
for governor in schedutil interactive
|
||||
do
|
||||
# Once a matching governor is found, set it and break for this CPU
|
||||
if [[ "$avail_govs" == *"$governor"* ]]
|
||||
then
|
||||
write "$cpu/scaling_governor" "$governor"
|
||||
break
|
||||
fi
|
||||
done
|
||||
done
|
||||
|
||||
# Apply governor specific tunables for schedutil
|
||||
find /sys/devices/system/cpu/ -name schedutil -type d | while IFS= read -r governor
|
||||
do
|
||||
# Consider changing frequencies once per scheduling period
|
||||
write "$governor/up_rate_limit_us" "$((SCHED_PERIOD / 1000))"
|
||||
write "$governor/down_rate_limit_us" "$((SCHED_PERIOD / 1000))"
|
||||
write "$governor/rate_limit_us" "$((SCHED_PERIOD / 1000))"
|
||||
|
||||
# Jump to hispeed frequency at this load percentage
|
||||
write "$governor/hispeed_load" 99
|
||||
write "$governor/hispeed_freq" "$UINT_MAX"
|
||||
done
|
||||
|
||||
# Apply governor specific tunables for interactive
|
||||
find /sys/devices/system/cpu/ -name interactive -type d | while IFS= read -r governor
|
||||
do
|
||||
# Consider changing frequencies once per scheduling period
|
||||
write "$governor/timer_rate" "$((SCHED_PERIOD / 1000))"
|
||||
write "$governor/min_sample_time" "$((SCHED_PERIOD / 1000))"
|
||||
|
||||
# Jump to hispeed frequency at this load percentage
|
||||
write "$governor/go_hispeed_load" 99
|
||||
write "$governor/hispeed_freq" "$UINT_MAX"
|
||||
done
|
||||
|
||||
for queue in /sys/block/*/queue
|
||||
do
|
||||
# Choose the first governor available
|
||||
avail_scheds="$(cat "$queue/scheduler")"
|
||||
for sched in cfq noop kyber bfq mq-deadline none
|
||||
do
|
||||
if [[ "$avail_scheds" == *"$sched"* ]]
|
||||
then
|
||||
write "$queue/scheduler" "$sched"
|
||||
break
|
||||
fi
|
||||
done
|
||||
|
||||
# Do not use I/O as a source of randomness
|
||||
write "$queue/add_random" 0
|
||||
|
||||
# Disable I/O statistics accounting
|
||||
write "$queue/iostats" 0
|
||||
|
||||
# Reduce heuristic read-ahead in exchange for I/O latency
|
||||
write "$queue/read_ahead_kb" 64
|
||||
|
||||
# Increase maximum requests to reduce processing power
|
||||
write "$queue/nr_requests" 512
|
||||
done
|
||||
|
||||
# Always return success, even if the last write fails
|
||||
#exit 0
|
||||
240
common/service_latency.txt
Normal file
240
common/service_latency.txt
Normal file
@ -0,0 +1,240 @@
|
||||
#
|
||||
_SLEEPBOOT=60
|
||||
RETRY_INTERVAL=${_SLEEPBOOT} #in seconds
|
||||
MAX_RETRY=3
|
||||
retry=${MAX_RETRY}
|
||||
while (("$retry" > "0")) && [ "$(getprop sys.boot_completed)" != "1" ]; do
|
||||
sleep ${RETRY_INTERVAL}
|
||||
(($retry--))
|
||||
done
|
||||
|
||||
|
||||
### --------------------------------------------------
|
||||
### Kraoc
|
||||
### --------------------------------------------------
|
||||
|
||||
# Random entropy
|
||||
setprop kernel.random.read_wakeup_threshold 128
|
||||
setprop kernel.random.write_wakeup_threshold 896
|
||||
sysctl -e -w kernel.random.read_wakeup_threshold=128
|
||||
sysctl -e -w kernel.random.write_wakeup_threshold=896
|
||||
|
||||
# UI scale
|
||||
settings put global window_animation_scale 0.25
|
||||
settings put global transition_animation_scale 0.25
|
||||
settings put global animator_duration_scale 0.25
|
||||
|
||||
|
||||
### --------------------------------------------------
|
||||
### Ktweaks
|
||||
### --------------------------------------------------
|
||||
|
||||
#!/usr/bin/env bash
|
||||
# Written by Draco (tytydraco @ GitHub)
|
||||
|
||||
# The name of the current branch for logging purposes
|
||||
BRANCH="latency"
|
||||
|
||||
# Maximum unsigned integer size in C
|
||||
UINT_MAX="4294967295"
|
||||
|
||||
# Duration in nanoseconds of one scheduling period
|
||||
SCHED_PERIOD="$((1 * 1000 * 1000))"
|
||||
|
||||
# How many tasks should we have at a maximum in one scheduling period
|
||||
SCHED_TASKS="10"
|
||||
|
||||
write() {
|
||||
# Bail out if file does not exist
|
||||
[[ ! -f "$1" ]] && return 1
|
||||
|
||||
# Make file writable in case it is not already
|
||||
chmod +w "$1" 2> /dev/null
|
||||
|
||||
# Write the new value and bail if there's an error
|
||||
if ! echo "$2" > "$1" 2> /dev/null
|
||||
then
|
||||
# echo "Failed: $1 → $2"
|
||||
return 1
|
||||
fi
|
||||
|
||||
# Log the success
|
||||
# echo "$1 → $2"
|
||||
}
|
||||
|
||||
## Check for root permissions and bail if not granted
|
||||
#if [[ "$(id -u)" -ne 0 ]]
|
||||
#then
|
||||
## echo "No root permissions. Exiting."
|
||||
# exit 1
|
||||
#fi
|
||||
|
||||
# Detect if we are running on Android
|
||||
#grep -q android /proc/cmdline && ANDROID=true
|
||||
ANDROID=true
|
||||
|
||||
# Log the date and time for records sake
|
||||
#echo "Time of execution: $(date)"
|
||||
#echo "Branch: $BRANCH"
|
||||
|
||||
# Sync to data in the rare case a device crashes
|
||||
#sync
|
||||
|
||||
# Limit max perf event processing time to this much CPU usage
|
||||
write /proc/sys/kernel/perf_cpu_time_max_percent 3
|
||||
|
||||
# Group tasks for less stutter but less throughput
|
||||
write /proc/sys/kernel/sched_autogroup_enabled 1
|
||||
|
||||
# Execute child process before parent after fork
|
||||
write /proc/sys/kernel/sched_child_runs_first 1
|
||||
|
||||
# Preliminary requirement for the following values
|
||||
write /proc/sys/kernel/sched_tunable_scaling 0
|
||||
|
||||
# Reduce the maximum scheduling period for lower latency
|
||||
write /proc/sys/kernel/sched_latency_ns "$SCHED_PERIOD"
|
||||
|
||||
# Schedule this ratio of tasks in the guarenteed sched period
|
||||
write /proc/sys/kernel/sched_min_granularity_ns "$((SCHED_PERIOD / SCHED_TASKS))"
|
||||
|
||||
# Require preeptive tasks to surpass half of a sched period in vmruntime
|
||||
write /proc/sys/kernel/sched_wakeup_granularity_ns "$((SCHED_PERIOD / 2))"
|
||||
|
||||
# Reduce the frequency of task migrations
|
||||
write /proc/sys/kernel/sched_migration_cost_ns 5000000
|
||||
|
||||
# Always allow sched boosting on top-app tasks
|
||||
[[ "$ANDROID" == true ]] && write /proc/sys/kernel/sched_min_task_util_for_colocation 0
|
||||
|
||||
# Improve real time latencies by reducing the scheduler migration time
|
||||
write /proc/sys/kernel/sched_nr_migrate 4
|
||||
|
||||
# Disable scheduler statistics to reduce overhead
|
||||
write /proc/sys/kernel/sched_schedstats 0
|
||||
|
||||
# Disable unnecessary printk logging
|
||||
write /proc/sys/kernel/printk_devkmsg off
|
||||
|
||||
# Start non-blocking writeback later
|
||||
write /proc/sys/vm/dirty_background_ratio 3
|
||||
|
||||
# Start blocking writeback later
|
||||
write /proc/sys/vm/dirty_ratio 30
|
||||
|
||||
# Require dirty memory to stay in memory for longer
|
||||
write /proc/sys/vm/dirty_expire_centisecs 3000
|
||||
|
||||
# Run the dirty memory flusher threads less often
|
||||
write /proc/sys/vm/dirty_writeback_centisecs 3000
|
||||
|
||||
# Disable read-ahead for swap devices
|
||||
write /proc/sys/vm/page-cluster 0
|
||||
|
||||
# Update /proc/stat less often to reduce jitter
|
||||
write /proc/sys/vm/stat_interval 10
|
||||
|
||||
# Swap to the swap device at a fair rate
|
||||
write /proc/sys/vm/swappiness 100
|
||||
|
||||
# Prioritize page cache over simple file structure nodes
|
||||
write /proc/sys/vm/vfs_cache_pressure 200
|
||||
|
||||
# Enable Explicit Congestion Control
|
||||
write /proc/sys/net/ipv4/tcp_ecn 1
|
||||
|
||||
# Enable fast socket open for receiver and sender
|
||||
write /proc/sys/net/ipv4/tcp_fastopen 3
|
||||
|
||||
# Disable SYN cookies
|
||||
write /proc/sys/net/ipv4/tcp_syncookies 0
|
||||
|
||||
if [[ -f "/sys/kernel/debug/sched_features" ]]
|
||||
then
|
||||
# Consider scheduling tasks that are eager to run
|
||||
write /sys/kernel/debug/sched_features NEXT_BUDDY
|
||||
|
||||
# Some sources report large latency spikes during large migrations
|
||||
write /sys/kernel/debug/sched_features NO_TTWU_QUEUE
|
||||
fi
|
||||
|
||||
[[ "$ANDROID" == true ]] && if [[ -d "/dev/stune/" ]]
|
||||
then
|
||||
# Prefer to schedule top-app tasks on idle CPUs
|
||||
write /dev/stune/top-app/schedtune.prefer_idle 1
|
||||
|
||||
# Mark top-app as boosted, find high-performing CPUs
|
||||
write /dev/stune/top-app/schedtune.boost 1
|
||||
fi
|
||||
|
||||
# Loop over each CPU in the system
|
||||
for cpu in /sys/devices/system/cpu/cpu*/cpufreq
|
||||
do
|
||||
# Fetch the available governors from the CPU
|
||||
avail_govs="$(cat "$cpu/scaling_available_governors")"
|
||||
|
||||
# Attempt to set the governor in this order
|
||||
for governor in schedutil interactive
|
||||
do
|
||||
# Once a matching governor is found, set it and break for this CPU
|
||||
if [[ "$avail_govs" == *"$governor"* ]]
|
||||
then
|
||||
write "$cpu/scaling_governor" "$governor"
|
||||
break
|
||||
fi
|
||||
done
|
||||
done
|
||||
|
||||
# Apply governor specific tunables for schedutil
|
||||
find /sys/devices/system/cpu/ -name schedutil -type d | while IFS= read -r governor
|
||||
do
|
||||
# Consider changing frequencies once per scheduling period
|
||||
write "$governor/up_rate_limit_us" 0
|
||||
write "$governor/down_rate_limit_us" 0
|
||||
write "$governor/rate_limit_us" 0
|
||||
|
||||
# Jump to hispeed frequency at this load percentage
|
||||
write "$governor/hispeed_load" 85
|
||||
write "$governor/hispeed_freq" "$UINT_MAX"
|
||||
done
|
||||
|
||||
# Apply governor specific tunables for interactive
|
||||
find /sys/devices/system/cpu/ -name interactive -type d | while IFS= read -r governor
|
||||
do
|
||||
# Consider changing frequencies once per scheduling period
|
||||
write "$governor/timer_rate" 0
|
||||
write "$governor/min_sample_time" 0
|
||||
|
||||
# Jump to hispeed frequency at this load percentage
|
||||
write "$governor/go_hispeed_load" 85
|
||||
write "$governor/hispeed_freq" "$UINT_MAX"
|
||||
done
|
||||
|
||||
for queue in /sys/block/*/queue
|
||||
do
|
||||
# Choose the first governor available
|
||||
avail_scheds="$(cat "$queue/scheduler")"
|
||||
for sched in cfq noop kyber bfq mq-deadline none
|
||||
do
|
||||
if [[ "$avail_scheds" == *"$sched"* ]]
|
||||
then
|
||||
write "$queue/scheduler" "$sched"
|
||||
break
|
||||
fi
|
||||
done
|
||||
|
||||
# Do not use I/O as a source of randomness
|
||||
write "$queue/add_random" 0
|
||||
|
||||
# Disable I/O statistics accounting
|
||||
write "$queue/iostats" 0
|
||||
|
||||
# Reduce heuristic read-ahead in exchange for I/O latency
|
||||
write "$queue/read_ahead_kb" 32
|
||||
|
||||
# Reduce the maximum number of I/O requests in exchange for latency
|
||||
write "$queue/nr_requests" 32
|
||||
done
|
||||
|
||||
# Always return success, even if the last write fails
|
||||
#exit 0
|
||||
240
common/service_throughput.txt
Normal file
240
common/service_throughput.txt
Normal file
@ -0,0 +1,240 @@
|
||||
#
|
||||
_SLEEPBOOT=60
|
||||
RETRY_INTERVAL=${_SLEEPBOOT} #in seconds
|
||||
MAX_RETRY=3
|
||||
retry=${MAX_RETRY}
|
||||
while (("$retry" > "0")) && [ "$(getprop sys.boot_completed)" != "1" ]; do
|
||||
sleep ${RETRY_INTERVAL}
|
||||
(($retry--))
|
||||
done
|
||||
|
||||
|
||||
### --------------------------------------------------
|
||||
### Kraoc
|
||||
### --------------------------------------------------
|
||||
|
||||
# Random entropy
|
||||
setprop kernel.random.read_wakeup_threshold 128
|
||||
setprop kernel.random.write_wakeup_threshold 896
|
||||
sysctl -e -w kernel.random.read_wakeup_threshold=128
|
||||
sysctl -e -w kernel.random.write_wakeup_threshold=896
|
||||
|
||||
# UI scale
|
||||
settings put global window_animation_scale 0.25
|
||||
settings put global transition_animation_scale 0.25
|
||||
settings put global animator_duration_scale 0.25
|
||||
|
||||
|
||||
### --------------------------------------------------
|
||||
### Ktweaks
|
||||
### --------------------------------------------------
|
||||
|
||||
#!/usr/bin/env bash
|
||||
# Written by Draco (tytydraco @ GitHub)
|
||||
|
||||
# The name of the current branch for logging purposes
|
||||
BRANCH="throughput"
|
||||
|
||||
# Maximum unsigned integer size in C
|
||||
UINT_MAX="4294967295"
|
||||
|
||||
# Duration in nanoseconds of one scheduling period
|
||||
SCHED_PERIOD="$((10 * 1000 * 1000))"
|
||||
|
||||
# How many tasks should we have at a maximum in one scheduling period
|
||||
SCHED_TASKS="6"
|
||||
|
||||
write() {
|
||||
# Bail out if file does not exist
|
||||
[[ ! -f "$1" ]] && return 1
|
||||
|
||||
# Make file writable in case it is not already
|
||||
chmod +w "$1" 2> /dev/null
|
||||
|
||||
# Write the new value and bail if there's an error
|
||||
if ! echo "$2" > "$1" 2> /dev/null
|
||||
then
|
||||
# echo "Failed: $1 → $2"
|
||||
return 1
|
||||
fi
|
||||
|
||||
# Log the success
|
||||
# echo "$1 → $2"
|
||||
}
|
||||
|
||||
## Check for root permissions and bail if not granted
|
||||
#if [[ "$(id -u)" -ne 0 ]]
|
||||
#then
|
||||
## echo "No root permissions. Exiting."
|
||||
# exit 1
|
||||
#fi
|
||||
|
||||
# Detect if we are running on Android
|
||||
#grep -q android /proc/cmdline && ANDROID=true
|
||||
ANDROID=true
|
||||
|
||||
## Log the date and time for records sake
|
||||
#echo "Time of execution: $(date)"
|
||||
#echo "Branch: $BRANCH"
|
||||
|
||||
# Sync to data in the rare case a device crashes
|
||||
#sync
|
||||
|
||||
# Limit max perf event processing time to this much CPU usage
|
||||
write /proc/sys/kernel/perf_cpu_time_max_percent 20
|
||||
|
||||
# Sacrifice latency for throughput when grouping tasks
|
||||
write /proc/sys/kernel/sched_autogroup_enabled 0
|
||||
|
||||
# Process child-parent forks naturally
|
||||
write /proc/sys/kernel/sched_child_runs_first 0
|
||||
|
||||
# Preliminary requirement for the following values
|
||||
write /proc/sys/kernel/sched_tunable_scaling 0
|
||||
|
||||
# Reduce the maximum scheduling period for lower latency
|
||||
write /proc/sys/kernel/sched_latency_ns "$SCHED_PERIOD"
|
||||
|
||||
# Schedule this ratio of tasks in the guarenteed sched period
|
||||
write /proc/sys/kernel/sched_min_granularity_ns "$((SCHED_PERIOD / SCHED_TASKS))"
|
||||
|
||||
# Require preeptive tasks to surpass half of a sched period in vmruntime
|
||||
write /proc/sys/kernel/sched_wakeup_granularity_ns "$((SCHED_PERIOD / 2))"
|
||||
|
||||
# Reduce the frequency of task migrations
|
||||
write /proc/sys/kernel/sched_migration_cost_ns 5000000
|
||||
|
||||
# Always allow sched boosting on top-app tasks
|
||||
[[ "$ANDROID" == true ]] && write /proc/sys/kernel/sched_min_task_util_for_colocation 0
|
||||
|
||||
# Improve real time latencies by reducing the scheduler migration time
|
||||
write /proc/sys/kernel/sched_nr_migrate 128
|
||||
|
||||
# Disable scheduler statistics to reduce overhead
|
||||
write /proc/sys/kernel/sched_schedstats 0
|
||||
|
||||
# Disable unnecessary printk logging
|
||||
write /proc/sys/kernel/printk_devkmsg off
|
||||
|
||||
# Start non-blocking writeback later
|
||||
write /proc/sys/vm/dirty_background_ratio 15
|
||||
|
||||
# Start blocking writeback later
|
||||
write /proc/sys/vm/dirty_ratio 30
|
||||
|
||||
# Require dirty memory to stay in memory for longer
|
||||
write /proc/sys/vm/dirty_expire_centisecs 3000
|
||||
|
||||
# Run the dirty memory flusher threads less often
|
||||
write /proc/sys/vm/dirty_writeback_centisecs 3000
|
||||
|
||||
# Disable read-ahead for swap devices
|
||||
write /proc/sys/vm/page-cluster 0
|
||||
|
||||
# Update /proc/stat less often to reduce jitter
|
||||
write /proc/sys/vm/stat_interval 10
|
||||
|
||||
# Swap to the swap device at a fair rate
|
||||
write /proc/sys/vm/swappiness 100
|
||||
|
||||
# Allow inodes and dentries to build up a larger cache
|
||||
write /proc/sys/vm/vfs_cache_pressure 80
|
||||
|
||||
# Enable Explicit Congestion Control
|
||||
write /proc/sys/net/ipv4/tcp_ecn 1
|
||||
|
||||
# Enable fast socket open for receiver and sender
|
||||
write /proc/sys/net/ipv4/tcp_fastopen 3
|
||||
|
||||
# Disable SYN cookies
|
||||
write /proc/sys/net/ipv4/tcp_syncookies 0
|
||||
|
||||
if [[ -f "/sys/kernel/debug/sched_features" ]]
|
||||
then
|
||||
# Consider scheduling tasks that are eager to run
|
||||
write /sys/kernel/debug/sched_features NEXT_BUDDY
|
||||
|
||||
# Schedule tasks on their origin CPU if possible
|
||||
write /sys/kernel/debug/sched_features TTWU_QUEUE
|
||||
fi
|
||||
|
||||
[[ "$ANDROID" == true ]] && if [[ -d "/dev/stune/" ]]
|
||||
then
|
||||
# We are not concerned with prioritizing latency
|
||||
write /dev/stune/top-app/schedtune.prefer_idle 0
|
||||
|
||||
# Mark top-app as boosted, find high-performing CPUs
|
||||
write /dev/stune/top-app/schedtune.boost 1
|
||||
fi
|
||||
|
||||
# Loop over each CPU in the system
|
||||
for cpu in /sys/devices/system/cpu/cpu*/cpufreq
|
||||
do
|
||||
# Fetch the available governors from the CPU
|
||||
avail_govs="$(cat "$cpu/scaling_available_governors")"
|
||||
|
||||
# Attempt to set the governor in this order
|
||||
for governor in schedutil interactive
|
||||
do
|
||||
# Once a matching governor is found, set it and break for this CPU
|
||||
if [[ "$avail_govs" == *"$governor"* ]]
|
||||
then
|
||||
write "$cpu/scaling_governor" "$governor"
|
||||
break
|
||||
fi
|
||||
done
|
||||
done
|
||||
|
||||
# Apply governor specific tunables for schedutil
|
||||
find /sys/devices/system/cpu/ -name schedutil -type d | while IFS= read -r governor
|
||||
do
|
||||
# Consider changing frequencies once per scheduling period
|
||||
write "$governor/up_rate_limit_us" "$((SCHED_PERIOD / 1000))"
|
||||
write "$governor/down_rate_limit_us" "$((4 * SCHED_PERIOD / 1000))"
|
||||
write "$governor/rate_limit_us" "$((SCHED_PERIOD / 1000))"
|
||||
|
||||
# Jump to hispeed frequency at this load percentage
|
||||
write "$governor/hispeed_load" 85
|
||||
write "$governor/hispeed_freq" "$UINT_MAX"
|
||||
done
|
||||
|
||||
# Apply governor specific tunables for interactive
|
||||
find /sys/devices/system/cpu/ -name interactive -type d | while IFS= read -r governor
|
||||
do
|
||||
# Consider changing frequencies once per scheduling period
|
||||
write "$governor/timer_rate" "$((SCHED_PERIOD / 1000))"
|
||||
write "$governor/min_sample_time" "$((SCHED_PERIOD / 1000))"
|
||||
|
||||
# Jump to hispeed frequency at this load percentage
|
||||
write "$governor/go_hispeed_load" 85
|
||||
write "$governor/hispeed_freq" "$UINT_MAX"
|
||||
done
|
||||
|
||||
for queue in /sys/block/*/queue
|
||||
do
|
||||
# Choose the first governor available
|
||||
avail_scheds="$(cat "$queue/scheduler")"
|
||||
for sched in cfq noop kyber bfq mq-deadline none
|
||||
do
|
||||
if [[ "$avail_scheds" == *"$sched"* ]]
|
||||
then
|
||||
write "$queue/scheduler" "$sched"
|
||||
break
|
||||
fi
|
||||
done
|
||||
|
||||
# Do not use I/O as a source of randomness
|
||||
write "$queue/add_random" 0
|
||||
|
||||
# Disable I/O statistics accounting
|
||||
write "$queue/iostats" 0
|
||||
|
||||
# Sacrifice I/O and memory efficiency for a possible throughput gain
|
||||
write "$queue/read_ahead_kb" 256
|
||||
|
||||
# Buffer more requests at once
|
||||
write "$queue/nr_requests" 512
|
||||
done
|
||||
|
||||
# Always return success, even if the last write fails
|
||||
#exit 0
|
||||
Loading…
Reference in New Issue
Block a user