Develop Bugs

Need a little help

I am new to the setcpu app I am wondering how do I know how much frequency my min and max should be to help my phone out more. Can anyone help me on that plz?
Sent from my PC36100 using XDA App

It will depend on which ROM and kernel you're running, but generally, overclocking doesn't do much good for you. I do however run my Main Max @ 1113 and Min @ 245. I then have a profile set for Screen Off Max @ 245, Min @ 245. This has helped a lot with battery life. This is on CM6.1.1 and the SBC stock kernel.
Also, there are the Scaling options. They will vary based on the kernel you're using. Generally, their names speak for themselves, so pick appropriately. I use Interactive when available, or Ondemand as a second choice. If you choose Performance, you will stay clocked at the highest speed until over ridden by a profile, so don't bother with that one unless it's for testing only.
One thing to think about is that Setcpu doesn't play well with HAVS, so if you're running a kernel with that built in, they will be fighting each other.
Also, if you're running a stock based rom with a stock kernel, you will need to disable Perflock if you want Setcpu to be able to really do it's job. So, while in Setcpu, tap Menu > Perflock Disbaler and attempt to disable perflock. Once it is successful, pick set on boot and close that window. Now Setcpu can work properly and you can start saving battery.
If you're primary goal is to get amazing battery life, I highly reccommend you try some of the new SBC kernels that have trickle charging built in. That's what I've been using since they came out, and it is amazing what a little tweak can do for you. SBC Kernel Thread

[Q] Best kernel for MIUI

I am currently using MIUI 1.7.29 Osimood with the Tiamat 1.04 kernel, and I am wondering what the best kernel is for battery life. I am also using the V6 supercharger ram script. I am running my CPU at 960mHz at the moment, using the smartass governer. I also undervolted using vipermod, 960MHz at 950mV.
My choice consists of the latest Pershoot, UmaroKernel 1.06 or Tiamat 1.04
What differences would I see between those kernels, are they noticeable for a regular user?

Sorry man, but wehre do you find the vipermod for desire z? http://vipermod.tiamat-dev.com/faq.php it's not compatibile with desire z/g2....

Uh...what's wrong with the kernel it comes with? Can OC to 1.5GHz stock ya know. Battery life is great with it too. People always want to flash something weather it be a radio or a kernel.
Sent from my HTC Desire Z using XDA Premium App

Spastic909 said:
Uh...what's wrong with the kernel it comes with? Can OC to 1.5GHz stock ya know. Battery life is great with it too. People always want to flash something weather it be a radio or a kernel.
Sent from my HTC Desire Z using XDA Premium App
Click to expand...
Click to collapse
Isn't flashing stuff and trying new things basicly the point of this whole site?

ostinq said:
Isn't flashing stuff and trying new things basicly the point of this whole site?
Click to expand...
Click to collapse
damn straight,
1) pershoot is a sense kernel? (i am proabably wrong but i have never tried this kernel)
2) umaro kernel i found had issues with wifi, high underclock freq (leading to poorer battery life), but fun if you have the time to tweak voltages and fast!
3) tiamat kernel i found had issues with sleep of death/random reboots on wakeup couldnt test it past that. (setcpu was set to screen off was: conservative 125min -345 max and would still crash)
if you are up for another kernel, i am now using this kernel (streamline5)
no voltage tweaking (pretweaked) but it has good batt, speedy and stable cant ask for much
http://forum.androidspin.com/showthread.php/6555-Streamline5-Nightly-CM7-Test-Kernel-2.6.35.13

lalalandrus said:
damn straight,
1) pershoot is a sense kernel? (i am proabably wrong but i have never tried this kernel)
2) umaro kernel i found had issues with wifi, high underclock freq (leading to poorer battery life), but fun if you have the time to tweak voltages and fast!
3) tiamat kernel i found had issues with sleep of death/random reboots on wakeup couldnt test it past that. (setcpu was set to screen off was: conservative 125min -345 max and would still crash)
if you are up for another kernel, i am now using this kernel (streamline5)
no voltage tweaking (pretweaked) but it has good batt, speedy and stable cant ask for much
http://forum.androidspin.com/showthread.php/6555-Streamline5-Nightly-CM7-Test-Kernel-2.6.35.13
Click to expand...
Click to collapse
Pershoot is actually for non-sense roms. The downfall people have with it is lack of governors. Some don't mind, some want variety. I've had great experiences with Pershoot's kernel and it's the baseline that all others are compared to (not to mention the foundation of almost ALL G2/DZ kernels).
Umaro's just needs to have voltage tweaks done manually but on the plus side - keeping the voltages normal (not UV) allows some people to reach higher OC speeds. It keeps the processor from bottoming out due to insufficient voltage which can easily happen when you UV. The main issue is with the Greased lightening governor - it's new and still a bit buggy.
Tiamat 1.0.4 is outstanding. I can sit all day at 2+ GHz (not literally, see: Chernobyl). I personally have an issue with the interactive governor but other than that it's my favorite kernel (Umaro may take that soon, once greased lightening is perfected).
Basically you just need to try out a few and see which you like. There is no 'best'. Most kernels will work with any ROM (Sense being the only exception).

Bumping a thread that is relevant to my interests.
It's about time for me to jump ship from an outdated CM ROM and try something new like a MIUI ROM.
With that said, I'd like to read more opinions & experiences from people using the various Kernels AND how the latest radio (the one released today) is working for them. I'm just trying to get the optimal experience here
Speaking of MIUI would anyone mind telling me some differences between OsiMood's ROM compared to the official MIUI-US ROM (or even DarkSpadez ROM)?
Thanks a ton guys!

I downloaded the official rom . . .then ignored it downloaded osimood and iv been using it since. Osimood is a lighter rom, which is always a good thing, unwanted languages etc are removed for a smaller faster rom. Also he preinstalls tweaks like an adblocker and extended settings mod.
Kernal wise iv been looking for the same info as you but couldn't find it. So I eneded up trying them all:
- Eugenes streamline5 is a nice kernal, preundervolted. Only probly is its not being updated so will become redundant.
-Tiamats kernal allows over clock to 2ghz and seems to support higher overclocks stably where other kernals can't. Except battery life has decreased with recent kernals
-Umarokernal this is the kernal iv come back to twice and am still on. It allows overclock to 1.9ghz and is kept updated by umaro. Performance per frequency seems as good if not better than most and osimoods miui runs smooth with this kernal on 800ghz with scarey governer (which saves battery) Another plus for me with this kernal is the scarey governer which for me definatly provides the best performance per battery ratio.

I'm currently running MIUI 1.8.5 with Eugene-Streamline 5 Kernel with the latest radio update Vision_Radio_12.57.60.25_26.10.04.12.
SetCPU with Governor ondemand provides me with better usage, power and responsive time then Smartass or Interactive.
OC to 1.2ghz
Battery life, about 30hrs with the regular 1350mah.

Screen cap

fluxgfx said:
I'm currently running MIUI 1.8.5 with Eugene-Streamline 5 Kernel with the latest radio update Vision_Radio_12.57.60.25_26.10.04.12.
SetCPU with Governor ondemand provides me with better usage, power and responsive time then Smartass or Interactive.
OC to 1.2ghz
Battery life, about 30hrs with the regular 1350mah.
Click to expand...
Click to collapse
i just got 40 hours with similar setup but i use virtuous o/c daemon instead of setcpu
big fan of streamline5 and hope that it will get updated eventually

How do you get the virtuos o/c daemon?

maxietheboss said:
How do you get the virtuos o/c daemon?
Click to expand...
Click to collapse
Its basically like an automatic setcpu (which can't be changed on the fly) built into the rom, its in virtuous unity roms

What sleep profiles are you guys usein. I seem to have rebooting issues with any kernel I try unless I go to a sense rom. I've tried the vipermod now to see how it goes
Sent from my T-Mobile G2 using XDA App

But how do you get the virtuos O/C daemon to work on MIUI?

You can download it threw rom manager. Even with that kernel I get reboot issues. I assume its cause system ram isn't being cleard fast enough. I'm gonna try 100mv increase to see if there's a difference.
Sent from my T-Mobile G2 using XDA App

Ktweaker profiles? On d2tmo

I'm on free gs3 r6 rom with ktoonsez latest kernels (9-5 & 9-10), I'm using ktweaker but there are ni profiles to use except for screen off. I was looking for something like set cpu profiles. If i try to use set cpu profiles only with ktweaker, my phone gets hot and drains my battery faster, so i guess both of the apps are not compatible. Or what. Thanks for any help and suggestions
Sent from my SGH-T999 2.1ghz

Craniotomy said:
I'm on free gs3 r6 rom with ktoonsez latest kernels (9-5 & 9-10), I'm using ktweaker but there are ni profiles to use except for screen off. I was looking for something like set cpu profiles. If i try to use set cpu profiles only with ktweaker, my phone gets hot and drains my battery faster, so i guess both of the apps are not compatible. Or what. Thanks for any help and suggestions
Sent from my SGH-T999 2.1ghz
Click to expand...
Click to collapse
im using [ROM] WICKED [v5] Aroma [UPDATE 9/10/12] {ADT} ROM with Zaventh Kernel set to smartass cfq. but i have been wanting to try the ktoonsez kernal where can i find it? i have the s3 us tmobile will it work for me i dont care about battery drain, i like perfomance, and to test think out
thanks
Michael.

CousinMikeyP said:
im using [ROM] WICKED [v5] Aroma [UPDATE 9/10/12] {ADT} ROM with Zaventh Kernel set to smartass cfq. but i have been wanting to try the ktoonsez kernal where can i find it? i have the s3 us tmobile will it work for me i dont care about battery drain, i like perfomance, and to test think out
thanks
Michael.
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=1756776
That is the ktoonez kernel.

If your going to try out ktoonsez kernel and you have set cpu, Don't use set on boot on set cpu, just enable the profiles and Don't set voltages too. In ktweaker enable overclocking steps but Don't lock frequencies. On both ktweaker and set cpu, you should have the same i/o scheduler, and the same governor. If both of then has a different governor or scheduler and clock speeds it will make the phone hot, i reached almost 40c or maybe more then my phone rebooted by itself, i was playing nova on 2.1ghz max clock. Lol.
Now I'm undervolting with ktoonsez suggestion on his post, and my min clock at 96, max at 1350, ktoonservative governor, sio i/o, and my phone is still fast and smooth. Battery life once never tested as i bring an extra one all the time, and i just bring a retractable usb cable for charging.
Sent from my SGH-T999 using xda premium

[Q] KERNELS compatible with Dr Ketan's v6.1 ROM

Dear fellow xda members,
I have a question that I could not find answer for via search, so I would like to ask you to help me.
This is a great ROM, but I wanted to get maximum of battery life so I installed SetCPU. I chose several different profiles and CPU governors, but I ended up with a significant lag and even worse battery life. I am using stock Kernel. My questions are:
1. What SetCPU settings should I chose for my Note 2 in order to have best battery life with minimal impact on performance? (ondemand, pegasus,...?)
2. Which KERNELS beside stock and Devil are compatible with awesome Dr Ketan's v6.1 ROM, and which Kernel do you recommend for best battery life? Also, how do you set parameters for those kernels also?
Thanx in advance, dear colleagues!

This one could be compatible with this rom http://forum.xda-developers.com/showthread.php?t=2311094
For further answers, scripts and settings there are several posts.
Edit: Yes it works:

I am testing these settings now:
gove- yanks zz move
schedulers row,row
cpu freq- 1600 mhz
cpu undervolt -20
gpu default
gpu uv -20
threshold- more batt save
sd read ahead 1024 1024
power saving load bal- max savings
zram 500mb

rade228 said:
Dear fellow xda members,
I have a question that I could not find answer for via search, so I would like to ask you to help me.
This is a great ROM, but I wanted to get maximum of battery life so I installed SetCPU. I chose several different profiles and CPU governors, but I ended up with a significant lag and even worse battery life. I am using stock Kernel. My questions are:
1. What SetCPU settings should I chose for my Note 2 in order to have best battery life with minimal impact on performance? (ondemand, pegasus,...?)
2. Which KERNELS beside stock and Devil are compatible with awesome Dr Ketan's v6.1 ROM, and which Kernel do you recommend for best battery life? Also, how do you set parameters for those kernels also?
Thanx in advance, dear colleagues!
Click to expand...
Click to collapse
Agni kernel..!!
flash it using cwm.. then open agni control app to play with settings..! to see the settings visit my thread and check the third post
use settings from my thread to start off

[Noob Guide] What is and How to Undervolt

Hello, i wanna share my experience undervolting.
For people who dont know what undervolting is, its the power or energy that the battery send to the CPU with determinate clock speed.
For example:
384 Mhz is the lowest frequency of our CPU, it has a 800mv volt in the stock ROM with stock kernel.
So in theory, the battery send 800mv to the CPU when it runs at 384 Mhz.
The effect of undervolt the CPU is bassically get more battery life and at the same time reduce the temperature of the phone.Less energy send less battery used and less hot phone in our hands.
How to Undervolt
Im running Stock ROM with Ruby Kernel stable.
For undervolt you need a kernel that support it, you can do it in all rom if the kernel support that.
If you want to Undervolt, i recommend you to use Trickster MOD.
You can Undervolt maybe -50mv all frequencies and see how it goes. Some people can even in best cases undervolt -200 mv. But you need patience to test slowly.
DONT TICK SET AT BOOT IF NOT TESTED.
That why you cant:
For example if you undervolt -100mv and if not stable, and you have set at boot ticked, it will freeze the screen and after reboot it will happen again.
After you set the mv for undervolt, download from play store CPU stability test and run it.
It will test all CPU frequencies to see if it is stable.
If you dont get any SoD, congratulations its stable.
My undervolt settings are -100 or in some cases -75 mv and very stable. My battery temp is 30 C°.

Thank you very much
Sent from my LG-E975 using XDA Premium 4 mobile app

What is needed to undervolt?

Thanks for the info. What are your battery stats after undervolting? How does it suffer other operations of our mobile like browsing or gaming etc ?
Sent from my LG-E975 using xda app-developers app

You need to first make a backup, install a custom kernel, install trickster mod, and from there apply what this discussion is talking about. Good luck!
Sent from my Nexus 5 using xda app-developers app

lfuentes said:
What is needed to undervolt?
Click to expand...
Click to collapse
Bootloader unlocked with freegee and some kernel for your rom that supports undervolt.

nch26 said:
Bootloader unlocked with freegee and some kernel for your rom that supports undervolt.
Click to expand...
Click to collapse
And after that? Some specific app?

lfuentes said:
Some specific app?
Click to expand...
Click to collapse
Depends on the kernel. I am using Trickster Mod with Viper ZVC kernel. There are other control apps available -- some of them are kernel-specific, some are more universal (Kernel Tuner, Android Tuner, System Tuner, etc.). Look in your kernel's thread -- the developer usually tells which control app(s) to use with it.

nch26 said:
Hello, i wanna share my experience undervolting.
For people who dont know what undervolting is, its the power or energy that the battery send to the CPU with determinate clock speed.
For example:
384 Mhz is the lowest frequency of our CPU, it has a 800mv volt in the stock ROM with stock kernel.
So in theory, the battery send 800mv to the CPU when it runs at 384 Mhz.
The effect of undervolt the CPU is bassically get more battery life and at the same time reduce the temperature of the phone.Less energy send less battery used and less hot phone in our hands.
How to Undervolt
Im running Stock ROM with Ruby Kernel stable.
For undervolt you need a kernel that support it, you can do it in all rom if the kernel support that.
If you want to Undervolt, i recommend you to use Trickster MOD.
You can Undervolt maybe -50mv all frequencies and see how it goes. Some people can even in best cases undervolt -200 mv. But you need patience to test slowly.
DONT TICK SET AT BOOT IF NOT TESTED.
That why you cant:
For example if you undervolt -100mv and if not stable, and you have set at boot ticked, it will freeze the screen and after reboot it will happen again.
After you set the mv for undervolt, download from play store CPU stability test and run it.
It will test all CPU frequencies to see if it is stable.
If you dont get any SoD, congratulations its stable.
My undervolt settings are -100 or in some cases -75 mv and very stable. My battery temp is 30 C°.
Click to expand...
Click to collapse
Thank you, I'm using AK kernel with UKM and Synapse app from google playstore. Using E-975 (intl.). Can you suggest if I should change the global setting or the individual settings for frequencies ? I had recently (soft) bricked my phone by running benchmark at ~1900mhz CPU and 487mhz GPU (like a villain, I know. Re-connected battery to save it... phew..). I'm really cautious now and I just want it to be less hot and save some battery, that's all. Any guidance would be really appreciated... thanks

Claureid said:
Thank you, I'm using AK kernel with UKM and Synapse app from google playstore. Using E-975 (intl.). Can you suggest if I should change the global setting or the individual settings for frequencies ? I had recently (soft) bricked my phone by running benchmark at ~1900mhz CPU and 487mhz GPU (like a villain, I know. Re-connected battery to save it... phew..). I'm really cautious now and I just want it to be less hot and save some battery, that's all. Any guidance would be really appreciated... thanks
Click to expand...
Click to collapse
I dont have anymore this phone because some people stole my phone like 1 year ago. Sorry.

Oh okay, sad loss....