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memory.sh
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#Author by @焕晨HChen
HChen=${0%/*}
swapIni="$HChen/swap.ini"
compFile="/sys/class/block/zram0/comp_algorithm"
# 检查并导入文件
{
[[ -f $swapIni ]] && { . "$swapIni" && echo "- [i]:配置文件读取成功"; } || {
echo "- [!]:配置文件读取异常" && exit 1
}
} || { echo "- [!]: 缺少$swapIni" && exit 3; }
# 输出日志
setValueLog() { {
echo "- [i]:设置$2" && {
now=$(cat "$2" | head -n 1) || true
} && {
[[ $1 == "$now" ]] && echo "- [i]:目标设置为:$1,实际设置为:$now"
}
} || { echo "- [!]:目标设置为:$1,实际设置为:$now"; }; }
# 设置参数
setValue() { {
[[ -f $2 ]] && { {
chmod 666 "$2" &>/dev/null || true
} && { { echo "$1" >"$2" && {
chmod 664 "$2" &>/dev/null || true
} && setValueLog "$1" "$2"; } || { echo "- [!]:无法写入$2文件"; }; }; }
} || { echo "- [!]:不存在$2文件"; }; }
# 自动计算
getResults() {
digit_count=$(echo "$1" | awk '{print length}')
echo $(lengthMod $1 $2 $3 $4)
}
# 计算模组
lengthMod() {
{ [[ $digit_count -gt $2 ]] && {
{ [[ $3 == "\*" ]] && {
echo $(expr $(expr $(echo $1 | cut -c 1-2) + 1) \* $4)
# echo $(($(($(echo $1 | cut -c 1-2) + 1)) * $4))
}; } || {
echo $(expr $(echo $1 | cut -c 1-2) $3 $4)
# echo $(($(echo $1 | cut -c 1-2) $3 $4))
}
}; } || {
{ [[ $3 == "\*" ]] && {
echo $(expr $(expr $(echo $1 | cut -c 1) + 1) \* $4)
}; } || {
echo $(expr $(echo $1 | cut -c 1) $3 $4)
}
}
}
# 设置Zram参数
setZram() {
# 检查是否支持
[[ ! -e /dev/block/zram0 ]] && {
{
[[ -e /sys/class/zram-control ]] && echo "- [i]:内核支持ZRAM"
} || { echo "- [!]:内核不支持ZRAM" && return; }
}
# 设置大小
zramAll=$(grep 'MemTotal' </proc/meminfo | tr -cd "0-9")
zramSize=$(getResults $zramAll 7 + 4)
zramSize=$(awk 'BEGIN{print '$zramSize'*(1024^3)}')
# 关闭zram
echo "- [i]:重置ZRAM"
for z in /dev/block/zram*; do
swapoff "$z" &>/dev/null
done
# 禁用系统回写
setValue none /sys/block/zram0/backing_dev
setValue 1 /sys/block/zram0/writeback_limit_enable
setValue 0 /sys/block/zram0/writeback_limit
#重置zram
setValue 1 /sys/block/zram0/reset
#zram限制
setValue 0 /sys/block/zram0/mem_limit
#设置压缩线程
setValue 8 /sys/block/zram0/max_comp_streams
echo "- [i]:设置压缩模式"
comp_algorithm="$comp_algorithm"
echo $comp_algorithm >$compFile
cp=$(cat $compFile | sed 's/\[//g' | sed 's/]//g' | sed 's/ /\n/g' | grep -w "$comp_algorithm")
{
[[ $comp_algorithm == "$cp" ]] && echo "- [i]:目标设置为:$comp_algorithm,实际设置为:$cp"
} || { echo "- [!]:目标设置为:$comp_algorithm,实际设置为:$cp"; }
echo "- [i]:设置ZRAM"
setValue "$zramSize" /sys/block/zram0/disksize
echo "- [i]:初始化ZRAM"
mkswap /dev/block/zram0 &>/dev/null
echo "- [i]:启动ZRAM"
swapon /dev/block/zram0 &>/dev/null
}
setVm() {
swapN="/proc/sys/vm/swappiness"
echo "160" >$swapN
{
[[ $? -eq 1 ]] && {
swappiness=95
}
} || {
swappiness=160
}
echo "- [i]:设置swappiness"
setValue "$swappiness" $swapN
waterM=$(getResults $zramAll 7 \\* 5)
setValue "$waterM" /proc/sys/vm/watermark_scale_factor
#设置cache参数
{
echo "- [i]:设置cache参数"
setValue 2 /proc/sys/vm/dirty_background_ratio
setValue 80 /proc/sys/vm/dirty_ratio
setValue 2000 /proc/sys/vm/dirty_expire_centisecs
setValue 250 /proc/sys/vm/dirty_writeback_centisecs
setValue 150 /proc/sys/vm/vfs_cache_pressure
#设置其它vm参数
echo "- [i]:设置其它vm参数"
# 杀死触发oom的那个进程
setValue 1 /proc/sys/vm/oom_kill_allocating_task
# 是否打印 oom日志
setValue 0 /proc/sys/vm/oom_dump_tasks
# 是否要允许压缩匿名页
setValue 1 /proc/sys/vm/compact_unevictable_allowed
# io调试开关
setValue 0 /proc/sys/vm/block_dump
# vm 状态更新频率
setValue 5 /proc/sys/vm/stat_interval
# 是否允许过量使用运存
# setValue 200 /proc/sys/vm/overcommit_ratio
setValue 1 /proc/sys/vm/overcommit_memory
# 触发oom后怎么抛异常
setValue 0 /proc/sys/vm/panic_on_oom
# 此参数决定了内核在后台应该压缩内存的力度。参数取 [0, 100] 范围内的值
# 默认20，待测试
setValue 35 /proc/sys/vm/compaction_proactiveness
# 压缩内存节省空间（会导致kswap0异常）
# setValue 1 /proc/sys/vm/compact_memory
# watermark_boost_factor用于优化内存外碎片化
# setValue 100 /proc/sys/vm/watermark_boost_factor
# 参数越小越倾向于进行内存规整，越大越不容易进行内存规整。
# setValue 400 /proc/sys/vm/extfrag_threshold
# 每次换入的内存页
{
[[ $comp_algorithm == "zstd" ]] && {
setValue 0 /proc/sys/vm/page-cluster
}
} || {
setValue 1 /proc/sys/vm/page-cluster
}
}
}
time=$(date "+%Y年%m月%d日_%H时%M分%S秒")
echo "手机品牌:$(getprop ro.product.brand)" >"$HChen"/log.txt
{
echo "手机型号:$(getprop ro.product.vendor.device)"
echo "安卓版本:$(getprop ro.build.version.release)"
echo "内核版本:$(uname -r)"
test "$(getprop ro.miui.ui.version.name)" != "" &&
echo "MIUI版本:MIUI $(getprop ro.miui.ui.version.name) - $(getprop ro.build.version.incremental) "
echo "系统开机时间:$time"
version=$(dumpsys package com.hchen.appretention | grep versionName | cut -f2 -d '=')
{ [[ $version != "" ]] && {
echo "AppRetention已经安装:$version"
}; } || {
echo "AppRetention未安装"
echo "AppRetention下载地址:https://github.com/HChenX/AppRetentionHook"
}
echo "---------------------------------------------------------------------------"
# 更改selinux规则
magiskpolicy --live "allow system_server * * *"
device_config set_sync_disabled_for_tests persistent
settings put global settings_enable_monitor_phantom_procs false
device_config put activity_manager max_cached_processes 2147483647
device_config put activity_manager max_phantom_processes 2147483647
resetprop sys.lmk.minfree_levels 1:1001,2:1001,3:1001,4:1001,5:1001,6:1001
setZram
setVm
echo "---------------------------------------------------------------------------"
} >>"$HChen"/log.txt