[SCRIPT/GUIDE] How To Improve Multitasking On Stock Jelly Bean 4.3 With Simple Script

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Rizal Lovins

Rizal Lovins

Recognized Developer / Themer / Inactive RC
May 30, 2012
1,618
15,948
Bandung
LG V30
Hello Xperia friends....

Since we are updating our software to Official Jelly Bean 4.3, we all know that Jelly Bean 4.3 is not good on management RAM compared with Official Jelly Bean 4.1

so i want share some tips for you that may improve Multitasking

Requirement :
1. Rooted
2. Busybox installed


build.prop

you can add all this code

Code: 
# Enable Purgeable Assets to free up more RAM when needed
persist.sys.purgeable_assets=1

# Lock Launcher in Memory
ro.HOME_APP_ADJ=1


OOM Groupings (choose ONLY one, Medium or High)

1. Medium OOM Groupings
Code: 
# Mid OOM Groupings
ro.FOREGROUND_APP_MEM=6400
ro.VISIBLE_APP_MEM=8960
ro.SECONDARY_SERVER_MEM=14080
ro.BACKUP_APP_MEM=17920
ro.HOME_APP_MEM=3200
ro.HIDDEN_APP_MEM=17920
ro.EMPTY_APP_MEM=64000
ro.PERCEPTIBLE_APP_MEM=3200
ro.HEAVY_WEIGHT_APP_MEM=14080
ro.CONTENT_PROVIDER_MEM=38400
ro.FOREGROUND_APP_ADJ=25
ro.VISIBLE_APP_ADJ=35
ro.SECONDARY_SERVER_ADJ=55
ro.BACKUP_APP_ADJ=56
ro.HOME_APP_ADJ=26
ro.EMPTY_APP_ADJ=69
ro.HIDDEN_APP_MIN_ADJ=250
ro.PERCEPTIBLE_APP_ADJ=27
ro.HEAVY_WEIGHT_APP_ADJ=36
ro.CONTENT_PROVIDER_ADJ=70
ENFORCE_PROCESS_LIMIT=false
MAX_SERVICE_INACTIVITY=false
MIN_HIDDEN_APPS=false
MAX_HIDDEN_APPS=false
CONTENT_APP_IDLE_OFFSET=false
EMPTY_APP_IDLE_OFFSET=false
MAX_ACTIVITIES=false
ACTIVITY_INACTIVE_RESET_TIME=false
MAX_RECENT_TASKS=false
MIN_RECENT_TASKS=false
APP_SWITCH_DELAY_TIME=false
MAX_PROCESSES=false
PROC_START_TIMEOUT=false
CPU_MIN_CHECK_DURATION=false
GC_TIMEOUT=false
SERVICE_TIMEOUT=false
MIN_CRASH_INTERVAL=false

2. High OOM Groupings
Code: 
# High OOM Groupings
ro.FOREGROUND_APP_MEM=6400
ro.VISIBLE_APP_MEM=8960
ro.SECONDARY_SERVER_MEM=19200
ro.BACKUP_APP_MEM=23040
ro.HOME_APP_MEM=3200
ro.HIDDEN_APP_MEM=23040
ro.EMPTY_APP_MEM=64000
ro.PERCEPTIBLE_APP_MEM=3200
ro.HEAVY_WEIGHT_APP_MEM=19200
ro.CONTENT_PROVIDER_MEM=38400
ro.FOREGROUND_APP_ADJ=25
ro.VISIBLE_APP_ADJ=35
ro.SECONDARY_SERVER_ADJ=75
ro.BACKUP_APP_ADJ=76
ro.HOME_APP_ADJ=26
ro.EMPTY_APP_ADJ=89
ro.HIDDEN_APP_MIN_ADJ=250
ro.PERCEPTIBLE_APP_ADJ=27
ro.HEAVY_WEIGHT_APP_ADJ=36
ro.CONTENT_PROVIDER_ADJ=90
ENFORCE_PROCESS_LIMIT=false
MAX_SERVICE_INACTIVITY=false
MIN_HIDDEN_APPS=false
MAX_HIDDEN_APPS=false
CONTENT_APP_IDLE_OFFSET=false
EMPTY_APP_IDLE_OFFSET=false
MAX_ACTIVITIES=false
ACTIVITY_INACTIVE_RESET_TIME=false
MAX_RECENT_TASKS=false
MIN_RECENT_TASKS=false
APP_SWITCH_DELAY_TIME=false
MAX_PROCESSES=false
PROC_START_TIMEOUT=false
CPU_MIN_CHECK_DURATION=false
GC_TIMEOUT=false
SERVICE_TIMEOUT=false
MIN_CRASH_INTERVAL=false

init.d

LOW MEMORY KILLER (choose ONLY one, Medium or High)

make a new file (Whatever the name but don't give space) then add all this code

1. Medium
Code: 
#!/system/bin/sh
# Mid Minfree Values
echo "6400,8960,14080,17920,38400,64000" > /sys/module/lowmemorykiller/parameters/minfree
echo "16" > /sys/module/lowmemorykiller/parameters/cost
echo "1" > /sys/module/lowmemorykiller/parameters/lmk_fast_run

2. High
Code: 
#!/system/bin/sh
# High Minfree Values
echo "6400,8960,19200,23040,38400,64000" > /sys/module/lowmemorykiller/parameters/minfree
echo "16" > /sys/module/lowmemorykiller/parameters/cost
echo "1" > /sys/module/lowmemorykiller/parameters/lmk_fast_run

zRAM Compression

make a new file (Whatever the name but don't give space) then add all this code

Code: 
#!/system/bin/sh
# 128mb zRam Compression
/system/xbin/busybox mkswap /dev/block/zram0
/system/xbin/busybox swapon /dev/block/zram0
echo 134217728 > /sys/block/zram0/disksize

Now you need to fix permissions!!!

use this script for recovery
Code: 
set_perm_recursive(0, 0, 0777, 0777, "/system/etc/init.d");

it will run automatically...

Flashable.zip at attachcement, just download it and flash ;)

Enjoy :laugh:
 

Attachments

  • High_Multitasking-signed.zip
    125.4 KB · Views: 1,147
  • Mid_Multitasking-signed.zip
    125.3 KB · Views: 1,007
Last edited:
  • Like
Reactions: idid idamrep, fernoct, tiong38 and 17 others
Oohhlala

Oohhlala

Senior Member
Jul 12, 2012
543
34
Rizal Lovins said:
Hello Xperia friends....



Now you need to fix permissions!!!

use this script for recovery
Code: 
set_perm_recursive(0, 0, 0777, 0777, "/system/etc/init.d");

it will run automatically...

Enjoy :laugh:
Click to expand...
Click to collapse

I dont understand exactly about " fix permissions and use script for recovery " could u explain more clearly :silly: what i have to do after add all code to buildprob
 
  • Like
Reactions: muloarell
iHeymanth

iHeymanth

Senior Member
May 30, 2013
1,382
247
Vizag
Very useful guide!
By seeing this im thinking that init.d support which kills the apps in bg and makes the rom laggy and redraws.

Sent from my LT25i using XDA Premium 4 mobile app
 
Rizal Lovins

Rizal Lovins

Recognized Developer / Themer / Inactive RC
May 30, 2012
1,618
15,948
Bandung
LG V30
ghemanth said:
Very useful guide!
By seeing this im thinking that init.d support which kills the apps in bg and makes the rom laggy and redraws.

Sent from my LT25i using XDA Premium 4 mobile app
Click to expand...
Click to collapse

No redraw even you use Movies, you can try it ;)


devilmaycry2020 said:
how about this tweak by @nreuge http://xdaforums.com/showthread.php?t=2652469? which one is better ?
Click to expand...
Click to collapse

It's maybe full tweaks and it's great, this ONLY for multitasking, you can try this :)
 
  • Like
Reactions: nreuge and Hanry77
Oohhlala

Oohhlala

Senior Member
Jul 12, 2012
543
34
Rizal Lovins said:
i mean, it's for script recovery, okay i upload the file in OP, just download it and flash ;)
Click to expand...
Click to collapse

Thanks for easy way to install :p
I have used app setting modul to keep home in memory so i never have red raw. This script will conflict with module?. And how to check this script working or not? and need to use busybox ?
sorry for many question :D im noob
 
Last edited:
moliverac8

moliverac8

Senior Member
Jul 28, 2012
737
80
Madrid
Oohhlala said:
Thanks for easy way to install :p
I have used app setting modul to keep home in memory so i never have red raw. This script will conflict with module?. And how to check this script working or not? and need to use busybox ?
sorry for many question :D im noob
Click to expand...
Click to collapse

What configuration do you use in app setting for keeping home in memory?

Enviado desde mi Xperia T mediante Tapatalk
 
M

muloarell

Senior Member
Mar 16, 2014
158
11
LAGUNA
thank you man! will monitor more feedback later:)
no need to edit build.prop right?just flash the zip
 
Last edited:
Kushan.modi

Kushan.modi

Senior Member
Dec 21, 2012
334
132
Ahmedabad
Will it work on stock kernel? Or I need to enable init.d support?

As you didn't mentioned init.d in requirements!!

Sent from my C1905 using XDA Premium 4 mobile app
 
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  • 20
    Rizal Lovins
    Rizal Lovins
    Hello Xperia friends....

    Since we are updating our software to Official Jelly Bean 4.3, we all know that Jelly Bean 4.3 is not good on management RAM compared with Official Jelly Bean 4.1

    so i want share some tips for you that may improve Multitasking

    Requirement :
    1. Rooted
    2. Busybox installed


    build.prop

    you can add all this code

    Code: 
    # Enable Purgeable Assets to free up more RAM when needed
persist.sys.purgeable_assets=1

# Lock Launcher in Memory
ro.HOME_APP_ADJ=1


    OOM Groupings (choose ONLY one, Medium or High)

    1. Medium OOM Groupings
    Code: 
    # Mid OOM Groupings
ro.FOREGROUND_APP_MEM=6400
ro.VISIBLE_APP_MEM=8960
ro.SECONDARY_SERVER_MEM=14080
ro.BACKUP_APP_MEM=17920
ro.HOME_APP_MEM=3200
ro.HIDDEN_APP_MEM=17920
ro.EMPTY_APP_MEM=64000
ro.PERCEPTIBLE_APP_MEM=3200
ro.HEAVY_WEIGHT_APP_MEM=14080
ro.CONTENT_PROVIDER_MEM=38400
ro.FOREGROUND_APP_ADJ=25
ro.VISIBLE_APP_ADJ=35
ro.SECONDARY_SERVER_ADJ=55
ro.BACKUP_APP_ADJ=56
ro.HOME_APP_ADJ=26
ro.EMPTY_APP_ADJ=69
ro.HIDDEN_APP_MIN_ADJ=250
ro.PERCEPTIBLE_APP_ADJ=27
ro.HEAVY_WEIGHT_APP_ADJ=36
ro.CONTENT_PROVIDER_ADJ=70
ENFORCE_PROCESS_LIMIT=false
MAX_SERVICE_INACTIVITY=false
MIN_HIDDEN_APPS=false
MAX_HIDDEN_APPS=false
CONTENT_APP_IDLE_OFFSET=false
EMPTY_APP_IDLE_OFFSET=false
MAX_ACTIVITIES=false
ACTIVITY_INACTIVE_RESET_TIME=false
MAX_RECENT_TASKS=false
MIN_RECENT_TASKS=false
APP_SWITCH_DELAY_TIME=false
MAX_PROCESSES=false
PROC_START_TIMEOUT=false
CPU_MIN_CHECK_DURATION=false
GC_TIMEOUT=false
SERVICE_TIMEOUT=false
MIN_CRASH_INTERVAL=false

    2. High OOM Groupings
    Code: 
    # High OOM Groupings
ro.FOREGROUND_APP_MEM=6400
ro.VISIBLE_APP_MEM=8960
ro.SECONDARY_SERVER_MEM=19200
ro.BACKUP_APP_MEM=23040
ro.HOME_APP_MEM=3200
ro.HIDDEN_APP_MEM=23040
ro.EMPTY_APP_MEM=64000
ro.PERCEPTIBLE_APP_MEM=3200
ro.HEAVY_WEIGHT_APP_MEM=19200
ro.CONTENT_PROVIDER_MEM=38400
ro.FOREGROUND_APP_ADJ=25
ro.VISIBLE_APP_ADJ=35
ro.SECONDARY_SERVER_ADJ=75
ro.BACKUP_APP_ADJ=76
ro.HOME_APP_ADJ=26
ro.EMPTY_APP_ADJ=89
ro.HIDDEN_APP_MIN_ADJ=250
ro.PERCEPTIBLE_APP_ADJ=27
ro.HEAVY_WEIGHT_APP_ADJ=36
ro.CONTENT_PROVIDER_ADJ=90
ENFORCE_PROCESS_LIMIT=false
MAX_SERVICE_INACTIVITY=false
MIN_HIDDEN_APPS=false
MAX_HIDDEN_APPS=false
CONTENT_APP_IDLE_OFFSET=false
EMPTY_APP_IDLE_OFFSET=false
MAX_ACTIVITIES=false
ACTIVITY_INACTIVE_RESET_TIME=false
MAX_RECENT_TASKS=false
MIN_RECENT_TASKS=false
APP_SWITCH_DELAY_TIME=false
MAX_PROCESSES=false
PROC_START_TIMEOUT=false
CPU_MIN_CHECK_DURATION=false
GC_TIMEOUT=false
SERVICE_TIMEOUT=false
MIN_CRASH_INTERVAL=false

    init.d

    LOW MEMORY KILLER (choose ONLY one, Medium or High)

    make a new file (Whatever the name but don't give space) then add all this code

    1. Medium
    Code: 
    #!/system/bin/sh
# Mid Minfree Values
echo "6400,8960,14080,17920,38400,64000" > /sys/module/lowmemorykiller/parameters/minfree
echo "16" > /sys/module/lowmemorykiller/parameters/cost
echo "1" > /sys/module/lowmemorykiller/parameters/lmk_fast_run

    2. High
    Code: 
    #!/system/bin/sh
# High Minfree Values
echo "6400,8960,19200,23040,38400,64000" > /sys/module/lowmemorykiller/parameters/minfree
echo "16" > /sys/module/lowmemorykiller/parameters/cost
echo "1" > /sys/module/lowmemorykiller/parameters/lmk_fast_run

    zRAM Compression

    make a new file (Whatever the name but don't give space) then add all this code

    Code: 
    #!/system/bin/sh
# 128mb zRam Compression
/system/xbin/busybox mkswap /dev/block/zram0
/system/xbin/busybox swapon /dev/block/zram0
echo 134217728 > /sys/block/zram0/disksize

    Now you need to fix permissions!!!

    use this script for recovery
    Code: 
    set_perm_recursive(0, 0, 0777, 0777, "/system/etc/init.d");

    it will run automatically...

    Flashable.zip at attachcement, just download it and flash ;)

    Enjoy :laugh:
    View
    2
    Rizal Lovins
    Rizal Lovins
    Oohhlala said:
    I dont understand exactly about " fix permissions and use script for recovery " could u explain more clearly :silly: what i have to do after add all code to buildprob
    Click to expand...
    Click to collapse

    i mean, it's for script recovery, okay i upload the file in OP, just download it and flash ;)
    View
    2
    Rizal Lovins
    Rizal Lovins
    ghemanth said:
    Very useful guide!
    By seeing this im thinking that init.d support which kills the apps in bg and makes the rom laggy and redraws.

    Sent from my LT25i using XDA Premium 4 mobile app
    Click to expand...
    Click to collapse

    No redraw even you use Movies, you can try it ;)


    devilmaycry2020 said:
    how about this tweak by @nreuge http://xdaforums.com/showthread.php?t=2652469? which one is better ?
    Click to expand...
    Click to collapse

    It's maybe full tweaks and it's great, this ONLY for multitasking, you can try this :)
    View
    1
    Oohhlala
    Oohhlala
    Rizal Lovins said:
    Hello Xperia friends....



    Now you need to fix permissions!!!

    use this script for recovery
    Code: 
    set_perm_recursive(0, 0, 0777, 0777, "/system/etc/init.d");

    it will run automatically...

    Enjoy :laugh:
    Click to expand...
    Click to collapse

    I dont understand exactly about " fix permissions and use script for recovery " could u explain more clearly :silly: what i have to do after add all code to buildprob
    View
    1
    Oohhlala
    Oohhlala
    moliverac8 said:
    What configuration do you use in app setting for keeping home in memory?

    Enviado desde mi Xperia T mediante Tapatalk
    Click to expand...
    Click to collapse

    just check " resident " in appsetting :)
    View

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