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[TWEAKS][SCRIPTS] Collection of 'em all - build.prop; init.d; etc.

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knzo
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(Last edited by knzo; 27th January 2012 at 12:35 PM.)
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Default [TWEAKS][SCRIPTS] Collection of 'em all - build.prop; init.d; etc.

On my ROMs adventure I've been collecting some tweaks and scripts and seems to me it's now time to share it. While some values in terms of optimization might fluctuate from device to device, I've found these pretty consistent throughout many.

Build.prop
(edit your /system/build.prop with a file manager with root access)

Careful for already existing settings. In this case, just change the values.

1. Force launcher into memory
Code:
Select Code
ro.HOME_APP_ADJ=1
2. Raise JPG quality to 100%
Code:
Select Code
ro.media.enc.jpeg.quality=100
3. VM Heapsize; higher the RAM, higher the hp can be
Code:
Select Code
dalvik.vm.heapsize=48m
4. Render UI with GPU
Code:
Select Code
debug.sf.hw=1
5. Decrease dialing out delay
Code:
Select Code
ro.telephony.call_ring.delay=0
6. Helps scrolling responsiveness
Code:
Select Code
windowsmgr.max_events_per_sec=150
7. Save battery
Code:
Select Code
wifi.supplicant_scan_interval=180
pm.sleep_mode=1
ro.ril.disable.power.collapse=0
8. Disable debugging notify icon on statusbar
Code:
Select Code
persist.adb.notify=0
9. Increase overall touch responsiveness
Code:
Select Code
debug.performance.tuning=1
video.accelerate.hw=1
10. Raise photo and video recording quality
Code:
Select Code
ro.media.dec.jpeg.memcap=8000000
ro.media.enc.hprof.vid.bps=8000000
11. Signal (3G) tweaks
Code:
Select Code
ro.ril.hsxpa=2
ro.ril.gprsclass=10 
ro.ril.hep=1
ro.ril.enable.dtm=1
ro.ril.hsdpa.category=10
ro.ril.enable.a53=1
ro.ril.enable.3g.prefix=1
ro.ril.htcmaskw1.bitmask=4294967295
ro.ril.htcmaskw1=14449
ro.ril.hsupa.category=5
12. Net speed tweaks
Code:
Select Code
net.tcp.buffersize.default=4096,87380,256960,4096,16384,256960
net.tcp.buffersize.wifi=4096,87380,256960,4096,16384,256960
net.tcp.buffersize.umts=4096,87380,256960,4096,16384,256960
net.tcp.buffersize.gprs=4096,87380,256960,4096,16384,256960
net.tcp.buffersize.edge=4096,87380,256960,4096,16384,256960
13. Disable blackscreen issue after a call
Code:
Select Code
ro.lge.proximity.delay=25
mot.proximity.delay=25
14. Fix some application issues
Code:
Select Code
ro.kernel.android.checkjni=0
15. Phone will not wake up from hitting the volume rocker
Code:
Select Code
ro.config.hwfeature_wakeupkey=0
16. Force button lights on when screen is on
Code:
Select Code
ro.mot.buttonlight.timeout=0
17. Disable boot animation for faster boot
Code:
Select Code
debug.sf.nobootanimation=1
18. Miscellaneous flags
Code:
Select Code
ro.config.hw_menu_unlockscreen=false
persist.sys.use_dithering=0
persist.sys.purgeable_assets=1
dalvik.vm.dexopt-flags=m=y
ro.mot.eri.losalert.delay=1000
19. Specifics to some LG devices
Code:
Select Code
persist.service.pcsync.enable=0
persist.service.lgospd.enable=0
user.feature.flex=true
user.feature.lgdrm=false
user.feature.lgresource=false
user.feature.lgpoweroff=false
user.feature.ls_event=false
user.feature.ls_normal=false
user.feature.sui=false

Init.d
(needs ROM with init.d access and busybox, open empty file, insert header #!/system/bin/sh and put these there, save in /system/etc/init.d and name it something like 77tweaks)

1. strict minfree handler tweak
Code:
Select Code
echo "2048,3072,6144,15360,17920,20480" > /sys/module/lowmemorykiller/parameters/minfree
2. internet speed tweaks
Code:
Select Code
echo "0" > /proc/sys/net/ipv4/tcp_timestamps;
echo "1" > /proc/sys/net/ipv4/tcp_tw_reuse;
echo "1" > /proc/sys/net/ipv4/tcp_sack;
echo "1" > /proc/sys/net/ipv4/tcp_tw_recycle;
echo "1" > /proc/sys/net/ipv4/tcp_window_scaling;
echo "5" > /proc/sys/net/ipv4/tcp_keepalive_probes;
echo "30" > /proc/sys/net/ipv4/tcp_keepalive_intvl;
echo "30" > /proc/sys/net/ipv4/tcp_fin_timeout;
echo "404480" > /proc/sys/net/core/wmem_max;
echo "404480" > /proc/sys/net/core/rmem_max;
echo "256960" > /proc/sys/net/core/rmem_default;
echo "256960" > /proc/sys/net/core/wmem_default;
echo "4096,16384,404480" > /proc/sys/net/ipv4/tcp_wmem;
echo "4096,87380,404480" > /proc/sys/net/ipv4/tcp_rmem;
3. vm management tweaks
Code:
Select Code
echo "4096" > /proc/sys/vm/min_free_kbytes
echo "0" > /proc/sys/vm/oom_kill_allocating_task;
echo "0" > /proc/sys/vm/panic_on_oom;
echo "0" > /proc/sys/vm/laptop_mode;
echo "0" > /proc/sys/vm/swappiness
echo "50" > /proc/sys/vm/vfs_cache_pressure
echo "90" > /proc/sys/vm/dirty_ratio
echo "70" > /proc/sys/vm/dirty_background_ratio
4. misc kernel tweaks
Code:
Select Code
echo "8" > /proc/sys/vm/page-cluster;
echo "64000" > /proc/sys/kernel/msgmni;
echo "64000" > /proc/sys/kernel/msgmax;
echo "10" > /proc/sys/fs/lease-break-time;
echo "500,512000,64,2048" > /proc/sys/kernel/sem;
5. battery tweaks
Code:
Select Code
echo "500" > /proc/sys/vm/dirty_expire_centisecs
echo "1000" > /proc/sys/vm/dirty_writeback_centisecs
6. EXT4 tweaks (greatly increase I/O)
(needs /system, /cache, /data partitions formatted to EXT4)

a) removes journalism
Code:
Select Code
tune2fs -o journal_data_writeback /block/path/to/system
tune2fs -O ^has_journal /block/path/to/system
tune2fs -o journal_data_writeback /block/path/to/cache
tune2fs -O ^has_journal /block/path/to/cache
tune2fs -o journal_data_writeback /block/path/to/data
tune2fs -O ^has_journal /block/path/to/data
b) perfect mount options
Code:
Select Code
busybox mount -o remount,noatime,noauto_da_alloc,nodiratime,barrier=0,nobh /system
busybox mount -o remount,noatime,noauto_da_alloc,nosuid,nodev,nodiratime,barrier=0,nobh /data
busybox mount -o remount,noatime,noauto_da_alloc,nosuid,nodev,nodiratime,barrier=0,nobh /cache
7. Flags blocks as non-rotational and increases cache size
Code:
Select Code
LOOP=`ls -d /sys/block/loop*`;
RAM=`ls -d /sys/block/ram*`;
MMC=`ls -d /sys/block/mmc*`;
for j in $LOOP $RAM
do
echo "0" > $j/queue/rotational;
echo "2048" > $j/queue/read_ahead_kb;
done
8. microSD card speed tweak
Code:
Select Code
echo "2048" > /sys/devices/virtual/bdi/179:0/read_ahead_kb;
9. Defrags database files
Code:
Select Code
for i in \
`find /data -iname "*.db"`
do \
sqlite3 $i 'VACUUM;'; 
done
9. Remove logger
Code:
Select Code
rm /dev/log/main
10. Ondemand governor tweaks
Code:
Select Code
SAMPLING_RATE=$(busybox expr `cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_transition_latency` \* 750 / 1000)
echo 95 > /sys/devices/system/cpu/cpufreq/ondemand/up_threshold
echo $SAMPLING_RATE > /sys/devices/system/cpu/cpu0/cpufreq/ondemand/sampling_rate
11. Auto change governor and I/O Scheduler

a) I/O Scheduler (Best: MTD devices - VR; EMMC devices - SIO) - needs kernel with these
Code:
Select Code
echo "vr" > /sys/block/mmcblk0/queue/scheduler
or
echo "sio" > /sys/block/mmcblk0/queue/scheduler
b) Governor (Best: Minmax > SavagedZen > Smoothass > Smartass > Interactive) - needs kernel with these
Code:
Select Code
echo "governor-name-here" > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
12. Auto-zipalign on boot
(needs zipalign bin)
13. Loopy Smoothness tweak
14. Move dalvik-cache to cache partition (if it's big enough) to free up data partition space
Code:
Select Code
CACHESIZE=$(df -k /cache | tail -n1 | tr -s ' ' | cut -d ' ' -f2)
if [ $CACHESIZE -gt 80000 ]
	then
	echo "Large cache detected, moving dalvik-cache to /cache"
	if [ ! -d /cache/dalvik-cache ]
		then
		busybox rm -rf /cache/dalvik-cache /data/dalvik-cache
		mkdir /cache/dalvik-cache /data/dalvik-cache
		fi

	busybox chown 1000:1000 /cache/dalvik-cache
	busybox chmod 0771 /cache/dalvik-cache

	# bind mount dalvik-cache so we can still boot without the sdcard
	busybox mount -o bind /cache/dalvik-cache /data/dalvik-cache
	busybox chown 1000:1000 /data/dalvik-cache
	busybox chmod 0771 /data/dalvik-cache
	else
	echo "Small cache detected, dalvik-cache will remain on /data"
fi
15. Disable normalize sleeper
Code:
Select Code
mount -t debugfs none /sys/kernel/debug
echo NO_NORMALIZED_SLEEPER > /sys/kernel/debug/sched_features
16. OOM groupings and priorities tweaks - SuperCharger

GPS.conf
(create or edit your /system/etc/gps.conf with a file manager with root access)

For improving GPS lock time and signal.

a) European NTP server (replace for america or asia in your case)
Code:
Select Code
NTP_SERVER=europe.pool.ntp.org
XTRA_SERVER_1=http://xtra1.gpsonextra.net/xtra.bin
XTRA_SERVER_2=http://xtra2.gpsonextra.net/xtra.bin
XTRA_SERVER_3=http://xtra3.gpsonextra.net/xtra.bin
b) SE supl for A-GPS (better than Nokia's or Google's)
Code:
Select Code
SUPL_HOST=supl.sonyericsson.com
SUPL_PORT=7275

Other tweaks or guidelines

1. Patch your hosts file for blocking Ads
(please think before doing this; many developers are supported through this way)
Code:
Select Code
You can use AdFree application for this or changing manually your hosts file.

Here are some databases:
http://www.mvps.org/winhelp2002/hosts.txt
http://pgl.yoyo.org/adservers/serverlist.php?showintro=0;hostformat=hosts
2. Use CyanogenMOD's APN list file - it's one of the most complete.
Code:
Select Code
It's located in /system/etc/apns-conf.xml
3. Use UOT kitchen for basic theming on your device.
Code:
Select Code
http://uot.dakra.lt/
4. Use Google's dns servers
Code:
Select Code
Create an empty file, name it resolv.conf and put there these 2 lines:
nameserver 8.8.8.8
nameserver 8.8.4.4

Save to /system/etc/.
5. Update Superuser and su binary to latest version (3.0 beta)
Code:
Select Code
http://goo-inside.me/superuser/
6. Disable sync feature in sqlite
(author: ownhere - needs a source for your device so you can compile the /system/lib/libsqlite.so)
Code:
Select Code
Patch file here: http://forum.xda-developers.com/showthread.php?t=903507
7. Do not use task killers.


Alright, I think this is it for now.
If you have any other tweaks or better values, you can PM me and I'll include them.
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DaXmax
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Wow... Neojn, will tis work on lg optimus one? I know u used to have a optimus one...

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knzo
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Most of them will, yeah.
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DaXmax
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Quote:
Originally Posted by Noejn View Post
Most of them will, yeah.
Will try, thanks...

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will8578
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my word thats a MASSIVE list lol thanks, some interesting tweaks there

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knzo
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If I have time in the future I can create a script that applies them all.
(with a check of already existing tweaks / compatibility with the device, etc)
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Deaw^^
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If some script fail it may cause bootloop? And can use for all device?
thanks for answer.
 
knzo
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Quote:
Originally Posted by Deaw^^ View Post
If some script fail it may cause bootloop? And can use for all device?
thanks for answer.
None of them should cause bootloop, at least if you follow everything I wrote.
Yes, they work on most devices. Just read what it needs.
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eoghan2t7
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how do i test this one because i cant remember what i rename the bold parts to lol

tune2fs -o journal_data_writeback /block/path/to/system
tune2fs -O ^has_journal /block/path/to/system
tune2fs -o journal_data_writeback /block/path/to/cache
tune2fs -O ^has_journal /block/path/to/cache
tune2fs -o journal_data_writeback /block/path/to/data
tune2fs -O ^has_journal /block/path/to/data


thanks in advanced
Eoghan

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Deaw^^
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I hav another question..What is "Flags"?

- 18. Miscellaneous flags
- 7. Flags blocks as non-rotational and increases cache size

thanks for answer

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