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stone: fix ZRAM

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set 4GB for all users and set swappiness to 80
This commit is contained in:
kamikaonashi
2024-05-07 21:49:25 +02:00
parent f1a6c61853
commit 4f65ed16fe
8 changed files with 25 additions and 140 deletions
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8
rootdir/Android.mk
View File

@@ -137,3 +137,11 @@ LOCAL_MODULE_CLASS := ETC
LOCAL_SRC_FILES := etc/ueventd.qcom.rc
LOCAL_MODULE_PATH := $(TARGET_OUT_VENDOR)
include $(BUILD_PREBUILT)
include $(CLEAR_VARS)
LOCAL_MODULE := fstab.zram
LOCAL_MODULE_TAGS := optional
LOCAL_MODULE_CLASS := ETC
LOCAL_SRC_FILES := etc/fstab.zram
LOCAL_MODULE_PATH := $(TARGET_OUT_VENDOR_ETC)
include $(BUILD_PREBUILT)

46
rootdir/bin/init.kernel.post_boot-blair.sh
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@@ -31,46 +31,6 @@
# IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#=============================================================================
function configure_zram_parameters() {
MemTotalStr=`cat /proc/meminfo | grep MemTotal`
MemTotal=${MemTotalStr:16:8}
# Zram disk - 75% for < 2GB devices .
# For >2GB devices, size = 50% of RAM size. Limit the size to 4GB.
let RamSizeGB="( $MemTotal / 1048576 ) + 1"
diskSizeUnit=M
if [ $RamSizeGB -le 2 ]; then
let zRamSizeMB="( $RamSizeGB * 1024 ) * 3 / 4"
else
let zRamSizeMB="( $RamSizeGB * 1024 ) / 2"
fi
# use MB avoid 32 bit overflow
if [ $zRamSizeMB -gt 4096 ]; then
let zRamSizeMB=4096
fi
if [ -f /sys/block/zram0/disksize ]; then
if [ -f /sys/block/zram0/use_dedup ]; then
echo 1 > /sys/block/zram0/use_dedup
fi
echo "$zRamSizeMB""$diskSizeUnit" > /sys/block/zram0/disksize
# ZRAM may use more memory than it saves if SLAB_STORE_USER
# debug option is enabled.
if [ -e /sys/kernel/slab/zs_handle ]; then
echo 0 > /sys/kernel/slab/zs_handle/store_user
fi
if [ -e /sys/kernel/slab/zspage ]; then
echo 0 > /sys/kernel/slab/zspage/store_user
fi
mkswap /dev/block/zram0
swapon /dev/block/zram0 -p 32758
fi
}
function configure_read_ahead_kb_values() {
MemTotalStr=`cat /proc/meminfo | grep MemTotal`
MemTotal=${MemTotalStr:16:8}
@@ -98,13 +58,9 @@ function configure_read_ahead_kb_values() {
function configure_memory_parameters() {
# Set Memory parameters.
# Set swappiness to 100 for all targets
echo 100 > /proc/sys/vm/swappiness
# Disable wsf for all targets beacause we are using efk.
# wsf Range : 1..1000 So set to bare minimum value 1.
echo 1 > /proc/sys/vm/watermark_scale_factor
configure_zram_parameters
configure_read_ahead_kb_values
#M17-T code for HQ-264248 by liuhelong at 2022/12/8 start
@@ -249,4 +205,4 @@ setprop vendor.post_boot.parsed 1
# M17P_T code for HQ-290074 by zhouxinyi at 2023-03-27 start
echo 0 > /proc/sys/vm/panic_on_oom
# M17P_T code for HQ-290074 by zhouxinyi at 2023-03-27 end
# M17P_T code for HQ-290074 by zhouxinyi at 2023-03-27 end

46
rootdir/bin/init.kernel.post_boot-holi.sh
View File

@@ -31,46 +31,6 @@
# IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#=============================================================================
function configure_zram_parameters() {
MemTotalStr=`cat /proc/meminfo | grep MemTotal`
MemTotal=${MemTotalStr:16:8}
# Zram disk - 75% for < 2GB devices .
# For >2GB devices, size = 50% of RAM size. Limit the size to 4GB.
let RamSizeGB="( $MemTotal / 1048576 ) + 1"
diskSizeUnit=M
if [ $RamSizeGB -le 2 ]; then
let zRamSizeMB="( $RamSizeGB * 1024 ) * 3 / 4"
else
let zRamSizeMB="( $RamSizeGB * 1024 ) / 2"
fi
# use MB avoid 32 bit overflow
if [ $zRamSizeMB -gt 4096 ]; then
let zRamSizeMB=4096
fi
if [ -f /sys/block/zram0/disksize ]; then
if [ -f /sys/block/zram0/use_dedup ]; then
echo 1 > /sys/block/zram0/use_dedup
fi
echo "$zRamSizeMB""$diskSizeUnit" > /sys/block/zram0/disksize
# ZRAM may use more memory than it saves if SLAB_STORE_USER
# debug option is enabled.
if [ -e /sys/kernel/slab/zs_handle ]; then
echo 0 > /sys/kernel/slab/zs_handle/store_user
fi
if [ -e /sys/kernel/slab/zspage ]; then
echo 0 > /sys/kernel/slab/zspage/store_user
fi
mkswap /dev/block/zram0
swapon /dev/block/zram0 -p 32758
fi
}
function configure_read_ahead_kb_values() {
MemTotalStr=`cat /proc/meminfo | grep MemTotal`
MemTotal=${MemTotalStr:16:8}
@@ -98,13 +58,9 @@ function configure_read_ahead_kb_values() {
function configure_memory_parameters() {
# Set Memory parameters.
# Set swappiness to 100 for all targets
echo 100 > /proc/sys/vm/swappiness
# Disable wsf for all targets beacause we are using efk.
# wsf Range : 1..1000 So set to bare minimum value 1.
echo 1 > /proc/sys/vm/watermark_scale_factor
configure_zram_parameters
configure_read_ahead_kb_values
#M17-T code for HQ-264248 by liuhelong at 2022/12/8 start
@@ -247,4 +203,4 @@ setprop vendor.post_boot.parsed 1
# M17P_T code for HQ-290074 by zhouxinyi at 2023-03-27 start
echo 0 > /proc/sys/vm/panic_on_oom
# M17P_T code for HQ-290074 by zhouxinyi at 2023-03-27 end
# M17P_T code for HQ-290074 by zhouxinyi at 2023-03-27 end

50
rootdir/bin/init.qcom.post_boot.sh
View File

@@ -811,56 +811,6 @@ KernelVersionS=${KernelVersionStr:2:2}
KernelVersionA=${KernelVersionStr:0:1}
KernelVersionB=${KernelVersionS%.*}
function configure_zram_parameters() {
MemTotalStr=`cat /proc/meminfo | grep MemTotal`
MemTotal=${MemTotalStr:16:8}
low_ram=`getprop ro.config.low_ram`
# Zram disk - 75% for Go devices.
# For 512MB Go device, size = 384MB, set same for Non-Go.
# For 1GB Go device, size = 768MB, set same for Non-Go.
# For 2GB Go device, size = 1536MB, set same for Non-Go.
# For >2GB Non-Go devices, size = 50% of RAM size. Limit the size to 4GB.
# And enable lz4 zram compression for Go targets.
let RamSizeGB="( $MemTotal / 1048576 ) + 1"
diskSizeUnit=M
if [ $RamSizeGB -le 2 ]; then
let zRamSizeMB="( $RamSizeGB * 1024 ) * 3 / 4"
else
let zRamSizeMB="( $RamSizeGB * 1024 ) / 2"
fi
# use MB avoid 32 bit overflow
if [ $zRamSizeMB -gt 4096 ]; then
let zRamSizeMB=4096
fi
if [ "$low_ram" == "true" ]; then
echo lz4 > /sys/block/zram0/comp_algorithm
fi
if [ -f /sys/block/zram0/disksize ]; then
if [ -f /sys/block/zram0/use_dedup ]; then
echo 1 > /sys/block/zram0/use_dedup
fi
echo "$zRamSizeMB""$diskSizeUnit" > /sys/block/zram0/disksize
# ZRAM may use more memory than it saves if SLAB_STORE_USER
# debug option is enabled.
if [ -e /sys/kernel/slab/zs_handle ]; then
echo 0 > /sys/kernel/slab/zs_handle/store_user
fi
if [ -e /sys/kernel/slab/zspage ]; then
echo 0 > /sys/kernel/slab/zspage/store_user
fi
mkswap /dev/block/zram0
swapon /dev/block/zram0 -p 32758
fi
}
function configure_read_ahead_kb_values() {
MemTotalStr=`cat /proc/meminfo | grep MemTotal`
MemTotal=${MemTotalStr:16:8}

2
rootdir/etc/fstab.zram Normal file
View File

@@ -0,0 +1,2 @@
#<src> <mnt_point> <type> <mnt_flags> <fs_mgr_flags>
/dev/block/zram0 none swap defaults zramsize=4294967296

11
rootdir/etc/init.target.rc
View File

@@ -286,3 +286,14 @@ on property:persist.sys.sm6375.dt2w=0
on property:persist.sys.sm6375.dt2w=1
exec /system/bin/sendevent /dev/input/event4 0 1 5
# Read only one page at a time
write /proc/sys/vm/page-cluster 0
# Swap more aggressively
write /proc/sys/vm/swappiness 80
# Set zRAM compression algorithm to LZ4
write /sys/block/zram0/comp_algorithm lz4
# Enable zRAM data deduplication feature
write /sys/block/zram0/use_dedup 1
# Mount swap partitions specified in fstab
swapon_all /vendor/etc/fstab.zram