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[KERNEL] [2012-01-12] V2.0 FM Kernel based on 2.6.35.14 [Beta]

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By RiverSource, Senior Member on 12th November 2011, 12:08 AM
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13th November 2011, 01:23 PM |#21  
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gave it a try, keep you posted :)
 
 
13th November 2011, 04:09 PM |#22  
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Yep that is my understanding as well on how the battery stats are displayed.


The issue however is that aos is always showing the highest usage even with the display on. Also with the display off aos is constantly running and draining the bat. What I should see with the screen off and nothing running is aos with a high percentage but low actual cpu time. Instead I am seeing a high percentage and high cpu time.

This kernel seems to have resolved that. With the screen of the aos percentage did increase (15%) however the actual cpu time is really small just 25min in 15hrs. Which is what it should be.

The difference for me has been huge. In 15hrs moderate use I still have 30+ percent battery on a single charge. On the stock kernel I would be on my second charge, with 15% or less left.

- edit -

I have also been able to remove the suspend/ resume tasks from watchdogs white list on this kernel. On stock they had to be whitelisted or they would constantly set off the watchdog alert

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13th November 2011, 04:38 PM |#23  
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Fantastic bit of work.

Just wondering if this kernal can be safely flashed to my device with rooted 2.6.35.7-N7000ZSKK1 .. Android 2.3.6.

Or is that a dangerous idea?
13th November 2011, 04:54 PM |#24  
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Quote:
Originally Posted by cybermessiah

Just wondering if this kernal can be safely flashed to my device with rooted 2.6.35.7-N7000ZSKK1 .. Android 2.3.6.

Give it a try. I don't think, that the differences are that big.

But have a Stock Kernel available for flashing with Odin, if it goes wrong.
14th November 2011, 06:27 AM |#25  
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Its a bit early to tell (I'll have some numbers later today), but this new kernel has seemingly made a WORLD of difference to my battery life! Android OS drain is no longer present in battery stats, and that certainly appears to be translating to real-world performance.

I'll check back in a few hours so that I can report what my per-hour drain has been like.
14th November 2011, 08:31 AM |#26  
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Quote:
Originally Posted by RiverSource

As I said: Reduced Logging.

Copy the following script to /system/etc/init.d/01log:

Code:
#!/system/bin/sh

insmod /lib/modules/logger.ko
Then reboot.

Is 01log the name will put to the script or is a directory?
14th November 2011, 09:32 AM |#27  
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After 3.5 hours, I'm sitting on 87%. For me, that represents a big improvement.

However, Android OS usage has made an appearance again and is sitting at the top of my list with 30%.

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14th November 2011, 12:07 PM |#28  
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awesome, now i have the Values that i hope to get from the bigger Accu per default :)
14th November 2011, 02:57 PM |#29  
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I probably shouldn't have spoken so soon.

Since my last post, the battery drain has increased to about 7% per hour, which is high. Also, Android OS is sitting on 42%, by far the highest.

Installing BetterBatteryStats now in the hope of finding out more.
14th November 2011, 03:07 PM |#30  
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I'll have a look at patching in the kj6 kernel fixes and drop a test kernel out with tun cifs etc
if it works
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14th November 2011, 05:41 PM |#31  
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No change for me regarding battery usage. Still Android OS consuming 30% of battery power, more than display.

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