[KERNEL][16 DEC] GLaDOS for ICS

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Ezekeel

Ezekeel

Retired Recognized Developer
Jun 21, 2011
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1,680
I put together a test version of GLaDOS which works with kwiboo's ICS port.

Download: http://www.multiupload.com/BA2GQ1VNMC

Sources: https://github.com/Ezekeel/GLaDOS-nexus-s/tree/glados + https://github.com/CyanogenMod/samsung-kernel-crespo/tree/ics

I tested it a bit and it seems something is keeping the DEEP IDLE state with TOP=OFF from being used; instead TOP=ON is used. So I guess this is a problem with GPS, BT or the vibrator. Will look into it tomorrow.


Update #1:

The problem is that BT is not properly disabled in the kernel when switched off. I have removed the check for BT in DEEP IDLE for now, so one can test the TOP=OFF state. If you need BT disabled DEEP IDLE or use the previous version.

Download: http://www.multiupload.com/FTH2DUN0M8


Update #2:

Since Koush's ICS ROM seems to be faster and more stable, his development is more transparent and he updates his kernel git in a timely fashion, I have decided to drop the official support for kwiboo's ROM and only support Koush's ROM in future updates. The kernel still might work with kwiboo's ROM though.

I have reenabled the check for BT in DEEP IDLE, so the TOP=ON will be used instead of the TOP=OFF state. I have informed Koush about the issue - maybe he can find the change in the ROM that causes this.

Download: http://www.multiupload.com/FUDAQY4AYT


Update #3:

Added OC frequency states 1.4GHz and 1.2GHz.

Download: http://www.multiupload.com/H5ARZNK691


Update #4:

Added latest kernel patches for ICS alpha 9. These seem to break adb.

If you do not need BT and want the DEEP IDLE state with TOP=OFF to be properly used, you can switch BT off manually with 'echo 1 > /sys/devices/platform/bt_rfkill/rfkill/rfkill0/soft'. This will break the BT switch and you will need to reboot if you want to use BT.

Download: http://www.multiupload.com/HDVWPGM43Q


Update #5:

Fixed adb and tethering (one needs to enable CONFIG_USB_G_ANDROID in .config). Mass storage is still not working though.

Also to get adb working, I had to edit my /etc/udev/rules.d/11-android.rules on my Linux machine from
Code: 
SUBSYSTEMS=="usb", ATTRS{idVendor}=="18d1", ATTRS{idProduct}=="4e21", MODE="0666", OWNER="azrael" #Normal nexus s
SUBSYSTEMS=="usb", ATTRS{idVendor}=="18d1", ATTRS{idProduct}=="4e22", MODE="0666", OWNER="azrael" #Debug & Recovery nexus s
SUBSYSTEMS=="usb", ATTRS{idVendor}=="18d1", ATTRS{idProduct}=="4e20", MODE="0666", OWNER="azrael" #Fastboot nexus s
to
Code: 
SUBSYSTEMS=="usb", ATTRS{idVendor}=="18d1", MODE="0666", OWNER="azrael" #Normal nexus s
SUBSYSTEMS=="usb", ATTRS{idVendor}=="18d1", MODE="0666", OWNER="azrael" #Debug & Recovery nexus s
SUBSYSTEMS=="usb", ATTRS{idVendor}=="18d1", MODE="0666", OWNER="azrael" #Fastboot nexus s

My guess is the Nexus S reported with a wrong idProduct (that of the Nexus Prime?).

Download: http://www.multiupload.com/LIILVGO0XH


Update #6:

Updates for Koush's alpha 11.

Mass storage now works (under Windows 7, but not on my Linux machine; probably a problem with Linux).

Download: http://www.multiupload.com/VYK8J1LG20


Update #7:

Turns out I was an idiot and did upload the wrong zip file. Here is the correct one. Sorry.

Also I forgot to mention that the last update adds init.d support. Thanks to Flo for that.

Download: http://www.multiupload.com/5AHEB0DJQ5


Update #8:

Added support for data usage limits (thanks Franco for sending me his .config).

Download: http://www.multiupload.com/DCIP6G25R6


Update #9:

  • Added DRAM scaling to Live OC.
  • Flash memory I/O tweaks.
  • Added Tiny Preemptive RCU.
  • Updated the optimized CRC32 algorithm.
  • Removed CFQ I/O scheduler.

Download: http://www.multiupload.com/9Z86UNGP4L


Update #10:

Added Bigmem option (increases RAM available for the system by 26MB).

Download: http://www.multiupload.com/2Z7D4WPXRP


Update #11:

Improved Bigmem option (increases available RAM by 27.5MB now).

Download: http://www.multiupload.com/5HOQB8LS3X
 
Last edited:
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J

j2eubank

Senior Member
Jan 4, 2010
321
19
Houston
Ezekeel said:
I put together a test version of GLaDOS which works with kwiboo's ICS port.

Download: http://www.multiupload.com/BA2GQ1VNMC

Sources: Tomorrow, need to sleep now.

I tested it a bit and it seems something is keeping the DEEP IDLE state with TOP=OFF from being used; instead TOP=ON is used. So I guess this is a problem with GPS, BT or the vibrator. Will look into it tomorrow.
Click to expand...
Click to collapse

Nice! Downloading now
 
MultiCulti

MultiCulti

Senior Member
Jul 28, 2010
2,017
302
36
Wien
Ezekeel said:
I put together a test version of GLaDOS which works with kwiboo's ICS port.

Download: http://www.multiupload.com/BA2GQ1VNMC

Sources: Tomorrow, need to sleep now.

I tested it a bit and it seems something is keeping the DEEP IDLE state with TOP=OFF from being used; instead TOP=ON is used. So I guess this is a problem with GPS, BT or the vibrator. Will look into it tomorrow.
Click to expand...
Click to collapse

mhhuuu .. downloading :) ... do you need something spezial to test with it?

beamed in from my Nexus S on Oxygen using my brain
 
pitmaster

pitmaster

Senior Member
Jan 15, 2011
289
53
detroit via new orleans
Awesome......DL'ing now. Will report soon....NS4G

Edit---- booted fine. Voodoo works on colors. Haven't tried sound yet. Nstools gives me access to bln, bld, touchwake, live oc and deep idle. bld works. Haven't tried bln, touchwake, live oc. Can't report on deep idle yet. Not overclockable with setcpu. But able to use lazy governor. Also able to adjust voltages. THANK YOU!!

Edit2----never used live oc before or glados......just read up on live oc and figured out how to oc........:)


Long days and pleasant nights............
 
Last edited:
FL0OD

FL0OD

Senior Member
Jul 27, 2010
2,596
963
Thank you sir. Had a feeling this was coming when you were digging at him earlier;)

Sent from my neXus s 4G
 
MultiCulti

MultiCulti

Senior Member
Jul 28, 2010
2,017
302
36
Wien
seems to use just "high speed" ;)

beamed in from my Nexus S on Oxygen using my brain
 

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irishrally

irishrally

Senior Member
Jun 13, 2009
3,375
504
California
Just flashed it and it works great. Live OC works as well as voodoo color. Thanks!

When it boot I got a message "Android is upgrading, optimizing application x of 114". Is that just building caches for everything?
 
FL0OD

FL0OD

Senior Member
Jul 27, 2010
2,596
963
Voodoo color works also although the colors reset on reboot. This actually makes this ICS port enjoyable.

Sent from my neXus s 4G
 
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  • 56
    Ezekeel
    Ezekeel
    I put together a test version of GLaDOS which works with kwiboo's ICS port.

    Download: http://www.multiupload.com/BA2GQ1VNMC

    Sources: https://github.com/Ezekeel/GLaDOS-nexus-s/tree/glados + https://github.com/CyanogenMod/samsung-kernel-crespo/tree/ics

    I tested it a bit and it seems something is keeping the DEEP IDLE state with TOP=OFF from being used; instead TOP=ON is used. So I guess this is a problem with GPS, BT or the vibrator. Will look into it tomorrow.


    Update #1:

    The problem is that BT is not properly disabled in the kernel when switched off. I have removed the check for BT in DEEP IDLE for now, so one can test the TOP=OFF state. If you need BT disabled DEEP IDLE or use the previous version.

    Download: http://www.multiupload.com/FTH2DUN0M8


    Update #2:

    Since Koush's ICS ROM seems to be faster and more stable, his development is more transparent and he updates his kernel git in a timely fashion, I have decided to drop the official support for kwiboo's ROM and only support Koush's ROM in future updates. The kernel still might work with kwiboo's ROM though.

    I have reenabled the check for BT in DEEP IDLE, so the TOP=ON will be used instead of the TOP=OFF state. I have informed Koush about the issue - maybe he can find the change in the ROM that causes this.

    Download: http://www.multiupload.com/FUDAQY4AYT


    Update #3:

    Added OC frequency states 1.4GHz and 1.2GHz.

    Download: http://www.multiupload.com/H5ARZNK691


    Update #4:

    Added latest kernel patches for ICS alpha 9. These seem to break adb.

    If you do not need BT and want the DEEP IDLE state with TOP=OFF to be properly used, you can switch BT off manually with 'echo 1 > /sys/devices/platform/bt_rfkill/rfkill/rfkill0/soft'. This will break the BT switch and you will need to reboot if you want to use BT.

    Download: http://www.multiupload.com/HDVWPGM43Q


    Update #5:

    Fixed adb and tethering (one needs to enable CONFIG_USB_G_ANDROID in .config). Mass storage is still not working though.

    Also to get adb working, I had to edit my /etc/udev/rules.d/11-android.rules on my Linux machine from
    Code: 
    SUBSYSTEMS=="usb", ATTRS{idVendor}=="18d1", ATTRS{idProduct}=="4e21", MODE="0666", OWNER="azrael" #Normal nexus s
SUBSYSTEMS=="usb", ATTRS{idVendor}=="18d1", ATTRS{idProduct}=="4e22", MODE="0666", OWNER="azrael" #Debug & Recovery nexus s
SUBSYSTEMS=="usb", ATTRS{idVendor}=="18d1", ATTRS{idProduct}=="4e20", MODE="0666", OWNER="azrael" #Fastboot nexus s
    to
    Code: 
    SUBSYSTEMS=="usb", ATTRS{idVendor}=="18d1", MODE="0666", OWNER="azrael" #Normal nexus s
SUBSYSTEMS=="usb", ATTRS{idVendor}=="18d1", MODE="0666", OWNER="azrael" #Debug & Recovery nexus s
SUBSYSTEMS=="usb", ATTRS{idVendor}=="18d1", MODE="0666", OWNER="azrael" #Fastboot nexus s

    My guess is the Nexus S reported with a wrong idProduct (that of the Nexus Prime?).

    Download: http://www.multiupload.com/LIILVGO0XH


    Update #6:

    Updates for Koush's alpha 11.

    Mass storage now works (under Windows 7, but not on my Linux machine; probably a problem with Linux).

    Download: http://www.multiupload.com/VYK8J1LG20


    Update #7:

    Turns out I was an idiot and did upload the wrong zip file. Here is the correct one. Sorry.

    Also I forgot to mention that the last update adds init.d support. Thanks to Flo for that.

    Download: http://www.multiupload.com/5AHEB0DJQ5


    Update #8:

    Added support for data usage limits (thanks Franco for sending me his .config).

    Download: http://www.multiupload.com/DCIP6G25R6


    Update #9:

    • Added DRAM scaling to Live OC.
    • Flash memory I/O tweaks.
    • Added Tiny Preemptive RCU.
    • Updated the optimized CRC32 algorithm.
    • Removed CFQ I/O scheduler.

    Download: http://www.multiupload.com/9Z86UNGP4L


    Update #10:

    Added Bigmem option (increases RAM available for the system by 26MB).

    Download: http://www.multiupload.com/2Z7D4WPXRP


    Update #11:

    Improved Bigmem option (increases available RAM by 27.5MB now).

    Download: http://www.multiupload.com/5HOQB8LS3X
    View
    10
    Ezekeel
    Ezekeel
    Today a got a huge update for you.

    First, I have made a significant improvement to Live OC. When the OC value is raised not only the bus/GPU speed is increased, but also the DRAM frequency. Since the GPU does not have its own dedicated RAM, but uses a chunk of the DRAM this should increase the stability for high OC values and also the performance of the framebuffer access by making sure that the DRAM does not become a bottleneck.

    Furthermore I have improved the performance and responsiveness of the flash memory I/O by carefully tweaking several kernel parameters. This should significantly reduce the probability of pending I/O operations causing lags.

    As the third major change I have added the Tiny Preemptive RCU which should further increase the overall responsiveness of the device.

    I also updated the optimized CRC32 algorithm to the latest version and removed the CFQ I/O scheduler since deadline is the default and that should be used.


    I get a lot requests from users if I could add this or that feature to my kernel and I think it is worthwhile that I tell you a little about my kernel design philosophy.

    I come from a Linux background, did my share of kernel hacking before Android and in the Linux world before any patch is even considered to be added to the kernel the author has to prove that this new addition actually does bring an improvement. And believe me the other kernel devs can be quite critical. However it is that kind of peer-review that keeps the Linux kernel of being clogged by nonsense and thus acts as a quality control.

    In the Android world pretty much every device has its own kernel and custom kernels are quite popular and every developer essentially is working on his own personal kernel tree. While this fragmentation offers a lot a freedom, it also means that there is no peer-review at all. And unfortunately from what I have seen so far, the general practise around Android kernel developers is to simply add every feature they can find. They do not test, they do not compare, they do not benchmark. The result is a whole parade of overblown and unstable kernels with more unnecessary feature than I can count.

    With my GLaDOS kernel I follow a strict no-nonsense policy and try to stay as close to the stock kernel as possible without sacrificing too much performance. Or my '99 with 1' design paradigm as I like to call it - 99% of performance of a theoretical optimum kernel with all possible improvements included while only using only 1% of the necessary modifications to the source code. This does not only improve the maintainability, but in the end will result in a both lean and stable kernel with a great performance.


    Since so many people were asking for it, I changed my mind and decided to accept donations. You have my word that the collected funds will only be used for buying additional hardware to continue my development and if possible to extend my work to another device preferably of course the Nexus Prime.
    View
    4
    Ezekeel
    Ezekeel
    Ezekeel said:
    Since many of you have been so nice and voted for me on RW I decided to show my appreciation for your support and release a GLaDOS version with the latest patches for alpha 12/13 later today. I see not benefit in alpha 12/13 and probably will stay on alpha 11, but if you really want that you shall get it.
    Click to expand...
    Click to collapse

    I spend the last two hours trying to put in the latest patches for alpha 12/13. I have no idea what kind of abomination that CM kernel has become, all I can say is that it has diverged that much from stock that it is pretty much hopeless to integrate any patches based on the CM kernel into a kernel forked from stock. I played the funny 'hunt the undefined symbols' game for over two hours now and I am sick of it. For every symbol I resolve by patching a file, two new undefined symbols pop up. That could go on for hours until I reach something that at least will at compile.

    I am sorry to get your hopes up, but that is not worth my time considering that this kernel will be trashed once the official ICS kernel will get released. I rather spend my time fixing that problem with Bigmem on GB.
    View
    3
    Ezekeel
    Ezekeel
    k4str0 said:
    Donate link? Please don't abandon us when you get the Prime. :) You deserve it either way with what you have done so far.

    Sent from my Nexus S
    Click to expand...
    Click to collapse

    No worries. I love my Nexus S.

    And the main reason for the donations fund is to get another device without having to sell the Nexus S which I am not willing to do (at least for the next year or so) since otherwise I would not be able to provide updates and proper support anymore.
    View
    3
    F
    FloHimself
    @Ezekeel: I think Kwiboo committed the usb driver backports needed?!
    View

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