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@voku
voku committed Apr 11, 2012
1 parent 53f1963 commit 9390ef4
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Showing 2 changed files with 97 additions and 85 deletions.
177 changes: 97 additions & 80 deletions sbin/ext/thunderbolt.sh
View file
@@ -1,18 +1,8 @@
#!/sbin/busybox sh
#ThunderBolt!
#Credits:
# zacharias.maladroit
# voku1987
# collin_ph@xda
# TAKE NOTE THAT LINES PRECEDED BY A "#" IS COMMENTED OUT!

# ==============================================================
# ==============================================================
# ==============================================================
# I/O related tweaks
# ==============================================================
# ==============================================================
# ==============================================================

# =========
# Optimize io scheduler
# =========

STL=`ls -d /sys/block/stl*`;
BML=`ls -d /sys/block/bml*`;
Expand All @@ -23,86 +13,81 @@ MTD=`ls -d /sys/block/mtd*`;
# Optimize non-rotating storage;
for i in $STL $BML $MMC $ZRM $MTD;
do
#IMPORTANT!
if [ -e $i/queue/rotational ];
then
echo 0 > $i/queue/rotational;
echo "0" > $i/queue/rotational;
fi;
if [ -e $i/queue/nr_requests ];

if [ -e $i/queue/iostats ];
then
echo 1024 > $i/queue/nr_requests; # for starters: keep it sane
fi;
#CFQ specific
if [ -e $i/queue/iosched/back_seek_penalty ];
then
echo 1 > $i/queue/iosched/back_seek_penalty;
echo "0" > $i/queue/iostats;
fi;
#CFQ specific

#if [ -e $i/queue/iosched/group_isolation ];
#then
# echo "0" > $i/queue/iosched/group_isolation;
#fi;

#if [ -e $i/queue/iosched/slice_idle ];
#then
# echo "0" > $i/queue/iosched/slice_idle;
#fi;

#if [ -e $i/queue/iosched/back_seek_penalty ];
#then
# echo "1" > $i/queue/iosched/back_seek_penalty;
#fi;

if [ -e $i/queue/iosched/low_latency ];
then
echo 1 > $i/queue/iosched/low_latency;
fi;
#CFQ Specific
if [ -e $i/queue/iosched/slice_idle ];
then
echo 0 > $i/queue/iosched/slice_idle; # previous: 1
echo "1" > $i/queue/iosched/low_latency;
fi;
# deadline/VR/SIO scheduler specific

if [ -e $i/queue/iosched/fifo_batch ];
then
echo 1 > $i/queue/iosched/fifo_batch;
echo "1" > $i/queue/iosched/fifo_batch;
fi;

if [ -e $i/queue/iosched/writes_starved ];
then
echo 1 > $i/queue/iosched/writes_starved;
fi;
#CFQ specific
if [ -e $i/queue/iosched/quantum ];
then
echo 8 > $i/queue/iosched/quantum;
echo "1" > $i/queue/iosched/writes_starved;
fi;
#VR Specific

if [ -e $i/queue/iosched/rev_penalty ];
then
echo 1 > $i/queue/iosched/rev_penalty;
echo "1" > $i/queue/iosched/rev_penalty;
fi;

if [ -e $i/queue/rq_affinity ];
then
echo "1" > $i/queue/rq_affinity;
fi;
#disable iostats to reduce overhead # idea by kodos96 - thanks !
if [ -e $i/queue/iostats ];

if [ -e $i/queue/iosched/slice_async_rq ];
then
echo "0" > $i/queue/iostats;
echo "2" > $i/queue/iosched/slice_async_rq;
fi;
# Optimize for read- & write-throughput;
# Optimize for readahead;
if [ -e $i/queue/read_ahead_kb ];

if [ -e $i/queue/iosched/quantum ];
then
echo "256" > $i/queue/read_ahead_kb;
echo "8" > $i/queue/iosched/quantum;
fi;
# Commented out nomerges (Merges are good). max_sectors_kb to default - don't tweak it
# echo "0" > $i/queue/nomerges
# echo "128" > $i/queue/max_sectors_kb

done;

#if [ -e $i/queue/nr_requests ];
#then
# echo "1024" > $i/queue/nr_requests;
#fi;

#if [ -e $i/queue/iosched/back_seek_max ];
#then
# echo "1000000000" > $i/queue/iosched/back_seek_max;
#fi;

done;

# =========
# TWEAKS: raising read_ahead_kb cache-value for mounts that are sdcard-like to 1024
# =========

#if [ -e /sys/devices/virtual/bdi/179:0/read_ahead_kb ];
#then
# echo "1024" > /sys/devices/virtual/bdi/179:0/read_ahead_kb;
#fi;

#if [ -e /sys/devices/virtual/bdi/179:8/read_ahead_kb ];
# then
# echo "1024" > /sys/devices/virtual/bdi/179:8/read_ahead_kb;
#fi;

if [ -e /sys/devices/virtual/bdi/179:16/read_ahead_kb ];
then
echo "1024" > /sys/devices/virtual/bdi/179:16/read_ahead_kb;
Expand All @@ -113,25 +98,57 @@ if [ -e /sys/devices/virtual/bdi/179:24/read_ahead_kb ];
echo "1024" > /sys/devices/virtual/bdi/179:24/read_ahead_kb;
fi;

if [ -e /sys/devices/virtual/bdi/default/read_ahead_kb ];
then
echo "512" > /sys/devices/virtual/bdi/default/read_ahead_kb;
fi;
# =========
# Remount all partitions
# =========
for k in $(busybox mount | grep relatime | cut -d " " -f3);
do
sync;
busybox mount -o remount,noatime,nodiratime $k;
done;

for l in $(busybox mount | grep ext[3-4] | cut -d " " -f3);
do
sync;
busybox mount -o remount,noatime,nodiratime,delalloc,noauto_da_alloc,commit=15 $l;
done;
mount -o remount,rw,noatime,nodiratime,nodev,nobh,nouser_xattr,inode_readahead_blks=1,discard,barrier=0,commit=60,noauto_da_alloc,delalloc /cache /cache;
mount -o remount,rw,noatime,nodiratime,nodev,nobh,nouser_xattr,inode_readahead_blks=1,discard,barrier=0,commit=60,noauto_da_alloc,delalloc /data /data;

# ==============================================================
# ==============================================================
# ==============================================================
# Mount related tweaks (Applied globally)
# ==============================================================
# ==============================================================
# ==============================================================
# =========
# TWEAKS
# =========
setprop ro.media.dec.jpeg.memcap 20000000;
setprop ro.media.enc.jpeg.quality 90,80,70;

# =========
# MEMORY-TWEAKS
# =========
#echo "50" > /proc/sys/vm/swappiness;
#echo "50" > /proc/sys/vm/vfs_cache_pressure;
#echo "0" > /sys/module/lowmemorykiller/parameters/debug_level;
# Define the memory thresholds at which the above process classes will
# be killed. These numbers are in pages (4k) -> (1 MB * 1024) / 4 = 256
FOREGROUND_APP_MEM=8192;
VISIBLE_APP_MEM=10240;
SECONDARY_SERVER_MEM=12288;
BACKUP_APP_MEM=12288;
HOME_APP_MEM=12288;
HIDDEN_APP_MEM=14336;
CONTENT_PROVIDER_MEM=16384;
EMPTY_APP_MEM=20480;
#echo "$FOREGROUND_APP_MEM,$VISIBLE_APP_MEM,$SECONDARY_SERVER_MEM,$HIDDEN_APP_MEM,$CONTENT_PROVIDER_MEM,$EMPTY_APP_MEM" > /sys/module/lowmemorykiller/parameters/minfree;

# Remount all partitions with noatime and nodiratime
for k in $(busybox mount | grep relatime | cut -d " " -f3);
do
#sync;
busybox mount -o remount,rw,noatime,nodiratime $k;
done;
# =========
# Renice - kernel thread responsible for managing the memory
# =========
renice 19 `pidof kswapd0`;

# =========
# CleanUp
# =========
#drop caches to free some memory
sync;
/system/xbin/echo "3" > /proc/sys/vm/drop_caches;
sleep 1;
/system/xbin/echo "1" > /proc/sys/vm/drop_caches;
5 changes: 0 additions & 5 deletions sbin/ext/tweaks.sh
View file
Expand Up @@ -29,8 +29,3 @@ fi

#thanks to pikachu01@XDA and Dorimanx
/sbin/busybox sh /sbin/siyah/thunderbolt.sh
mount -o remount,rw,noatime,nodiratime,nodev,nobh,nouser_xattr,inode_readahead_blks=10,discard,barrier=0,commit=60,noauto_da_alloc,delalloc /cache /cache;
mount -o remount,rw,noatime,nodiratime,nodev,nobh,nouser_xattr,inode_readahead_blks=10,discard,barrier=0,commit=60,noauto_da_alloc,delalloc /data /data;
mount -o remount,rw,noatime,nodiratime /system /system


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