[Galaxy Tab 7.7 Android Development] UpInTheAir:
v3.2.0 UPDATE

HUGE >> v3.2.0 UPDATE <<

** FOR P6800 GSM/3G device running JB 4.1.2 DXMD3 ONLY !! **

**** 3.2.0 NOT TESTED ***

1. Read warnings in Post #3 before flashing. I am not responsible, you are

2. Clear your CPU Control app defaults first. device settings/applications/all/"your control app"/clear data

3. You will need a CPU control app to adjust the CPU freq from the safe startup values (OC / UV / UC)

4. Recommend 200-1600 -or- 200-1400 MHz

5. Recommended governor = lulzactiveq & scheduler = SIO

Change-log v2.7.0 -> v3.2.0

* Increase from 16-step to 18 step CPU

* CPU min/max safe startup freq default = 200 -> 1400 MHz

* CPU min/max safe voltage = 800 -> 1450 mV

* CPU OC to 1700 or 1800 MHz with CPU control app

* UC to 100 MHz with CPU control app

* CPU 100 MHz voltage increased +25 mV to 950 mV for stability

* In-built CIFS network filesystem support (not tested)

* In-built NFS network filesystem support (not tested)

* Strip CIFS, NFS & NTFS of debugging to reduce size

* In-built zRAM support (works well with Trickster Mod app)

Info here : (INFO)What is zram and how does it work???

* Snappy Compression (v4) implemented & enabled for zRAM

* Add USB support for iPad, iPhone_5 (not tested as I don't own "rotten fruit" ;) )

* Increase USB charge rate from 500 to 650 mA

* Add ZZMoove governor 0.6

* Tweaked ZZMoove governor for better battery

* Increase timeout limits to improve when using bad sd cards

* pegasusq (siyah) governor "freq for responsiveness" decreased to 500 MHz for a little battery saving

* Improved touch-screen sensitivity (on battery and charge)

* Adjusted lulzactiveq governor towards battery/balanced (Highly suggest you use a CPU control app and change your current governor to this)

* Removed smartassV2 governor. Not properly optimised and no time to look into it. My favorite is lulzactiveq for a battery/balanced device.

* Updated SuperSU v1.41 and su binary to latest. Thanks Chainfire. Will only be installed if you don't have any superuser.apk

* Memory UV -50 mV

* fbearlysuspend sysfs interface (use option in Trickster Mod app to alter screen off delay)

* fbearlysuspend msleep set to 100 ms (prevent screen-off "flicker" for CRT-off enabled ROMs)

* Dynamic read-ahead implemented and set at 1024 KB

* Dynamic FSync control implemented and enabled (use option in Trickster Mod app "specific" to change)

* Ignore vermagic check for exFat modules (not yet included any in-built or loadable modules to test anything)

* Reduce Android logger RAM usage

* Reduce logging, remove ftrace

* Disable mali tracking debug

* More debug removal

SUGGESTED CPU CONTROL APP : Trickster Mod app

Don't forget to use only one Control app at a time. They will conflict !

* BTW - I couldn't get great benchmark results at 1800 MHz (same @ 1600) due to thermal throttling of the CPU to 800 MHz.

In other words, I used Cool Tool app to show CPU freq on screen whilst benchmark. I could see the 1800 MHz max, then limited to 800 MHz due to EXCESSIVE CPU HEAT ! Solution --- run device in freezer :laugh:

There is a way to increase the thermal limits, but I don't want my silicon melted ! I am sure 1600 MHz is more than enough.

* BUG : The CPU freq

may

exceed the max setting on wakeup. ie max CPU freq set @ 1400 MHz -> turn on screen -> 1800 Mhz very very briefly -> then back down

* Thanks again to edan1979 for testing up to v3.1.0 :good:

FROM POST #3

MY RECOMMENDATIONS

* Governor = lulzactiveq (tweaked by me for battery/balance)

* Scheduler = SIO

* CPU freq = 200-1400/1600 MHz

* CPU vdd levels = SkyHigh "defaults"

* Enable zRAM

* CPU Control app = Trickster Mod app

Don't forget to use only one Control app at a time. They will conflict !

ISSUES?

1 Remove any kernel related init.d tweaks

2 Wipe your CPU control app(s) data (menu > settings > applications > "your control app(s)" > clear data/cache)

3 Use only ONE CPU control app !

4 Open SuperSU app > settings > full unroot

5 Boot into recovery and wipe cache & dalvik cache

6 Flash SkyHigh Kernel

7 Reboot

CHEERS :D

UITA

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