Develop Bugs

[Q] Help with overclocking.

newbie member here needing help with overclocking my evo. i am very familiar with loading custom roms but for some reason i can not find any step by step guides to overclocking. i am running the fresh evo rom with king kernel 9. i downloaded the supersonic zip and tried installing it from recovery, and my phone wouldnt reboot past the first "htc evo4g" screen. just kept rebooting into that screen. any help would be appreciated. and if i posted this in the wrong place there is no need for assholes telling me. im new here.

What was in the supersonic zip? What exactly were you trying to flash?
The easiest way would be to get setcpu, and then adjst the values.

Just get setcpu from the market. Overclock away.
Sent from my PC36100 using XDA Premium App

Miley420 said:
newbie member here needing help with overclocking my evo. i am very familiar with loading custom roms but for some reason i can not find any step by step guides to overclocking. i am running the fresh evo rom with king kernel 9. i downloaded the supersonic zip and tried installing it from recovery, and my phone wouldnt reboot past the first "htc evo4g" screen. just kept rebooting into that screen. any help would be appreciated. and if i posted this in the wrong place there is no need for assholes telling me. im new here.
Click to expand...
Click to collapse
As teh roxx asked, what was the 'supersonic zip' that you flashed? I am not familiar with it. Is it something specific to fresh's rom? From the point you're at now, your best bet will be to restore a nandroid backup (if you have one) to get you back to where you were before you flashed the 'supersonic.zip'. If you don't have a nandroid backup to restore, you're most likely going to have to re flash your rom, if you are indeed completely stuck at the splash screen. Have you tried wiping cache and dalvik cache, then rebooting agaain? If it just hangs at the splash, restore nandroid or reflash the rom. Thats basically the only option to ge t you up again.
And I don't really overclock at all, but I believe you just need a kernel that supports overclocking, and use an app like SetCpu or OS monitor to change the clock speed. Never check the setting 'set on boot' until you're sure that the changes you've made are running stable.

Just flash cm7 it has cpu governor built in
Sent from my PC36100 using XDA App

Miley420 said:
newbie member here needing help with overclocking my evo. i am very familiar with loading custom roms but for some reason i can not find any step by step guides to overclocking. i am running the fresh evo rom with king kernel 9. i downloaded the supersonic zip and tried installing it from recovery, and my phone wouldnt reboot past the first "htc evo4g" screen. just kept rebooting into that screen. any help would be appreciated. and if i posted this in the wrong place there is no need for assholes telling me. im new here.
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Click to collapse
Why do you want to overclock your device?
In all likelihood, you should expect only an improvement in CPU frequency of about 12%.
However, you should consider what the potential consequences of that could be. Although there are certain tolerances included, you should consider that consistently operating at higher frequencies could negatively affect the durability and/or longevity of your device's CPU. If additional cooling were something that you could add, then perhaps thermal thresholds would not be an issue. Because smearing thermal paste everywhere is not an option, you should consider another option.
The advantage of a custom ROM is that in some cases it's designed with profiled-governors and absent bloatware that tends to prematurely drain your battery and decrease overall performance.
I am not convinced an increase from 984 MHz to 1113 MHz is worth being tethered to an AC outlet.

acerbusconfig said:
Why do you want to overclock your device?
In all likelihood, you should expect only an improvement in CPU frequency of about 12%.
However, you should consider what the potential consequences of that could be. Although there are certain tolerances included, you should consider that consistently operating at higher frequencies could negatively affect the durability and/or longevity of your device's CPU. If additional cooling were something that you could add, then perhaps thermal thresholds would not be an issue. Because smearing thermal paste everywhere is not an option, you should consider another option.
The advantage of a custom ROM is that in some cases it's designed with profiled-governors and absent bloatware that tends to prematurely drain your battery and decrease overall performance.
I am not convinced an increase from 984 MHz to 1113 MHz is worth being tethered to an AC outlet.
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Click to collapse
+1 on this. I've played with numerous ways, always seem to go back with just the Rom and the kernel.
Sent from "The EVO" using XDA Premium

Voltage control questions

I finally got srf 1.2 to work really good. I have a few questions about voltage control.
1. Is it safe to overclock and undervolt?
2. What advantages will I see from undervolting, longer battery life?
3. Does overclocking really make that much difference, and is it safe?
4. Is there a how to, or a guide that can show me how to do it?
Thanks

Yes its safe just don't use the set on boot feature. As for battery improvement some people notice a difference and others don't I personally do undervolt. As for the guide just mess around with it for a while everyone Has different Preferences so results will always be different. I don't undervolt below 75 cause when I do I get lock ups. If you lock up just pull the battery and you'll be fine. I also recommend to use journaling ON cause if you lock up and pull the battery with journaling off you might get data corruption.
Hope this helps.
Sent from my SPH-D700 using XDA App

Yeah that helped but I really just don't know how to use it.

Led4lyf said:
I finally got srf 1.2 to work really good. I have a few questions about voltage control.
1. Is it safe to overclock and undervolt?
2. What advantages will I see from undervolting, longer battery life?
3. Does overclocking really make that much difference, and is it safe?
4. Is there a how to, or a guide that can show me how to do it?
Thanks
Click to expand...
Click to collapse
What kernel are you on?
I'm on Twilight and can overclock to 1.3ghz with full stability. I don't undervolt. Combination of my phone doesn't like it and I'm not looking to save that little battery to get wakelocks (phone doesn't come out of sleep mode because the processor speed is too slow or doesn't have enough juice to make that push.)
If you're using a kernel that can go to 1.4 or 1.5 test it for a while before you save your settings. Also consider buying the paid version. It allows over volting which may allow you to supply enough power if 1.4 or 1.5 causes freezes.
The app is pretty basic. The top bar on the first screen is how low you allow the processor to go in speed. The bottom is how fast. Lower than 100 mhz causes wakelock for me. Or used to. Haven't tried since. My settings are 200-1300 mhz. Second page is voltages. They start at default. If you have extreme, moving them to the right will overvolt and give those speeds extra power. Moving the slider to the left undervolts. Some people can only undervolt at the lowest speeds of say 100-400 mhz. It's a lot of trial and error. Have fun though!

So on the main page my settings are 200-1300, then I press apply settings. How can I tell If it is working, it does not seem that much faster? Do I have to set this every time I turn my phone on? Do I want to save thos for boot up?

Led4lyf said:
So on the main page my settings are 200-1300, then I press apply settings. How can I tell If it is working, it does not seem that much faster? Do I have to set this every time I turn my phone on? Do I want to save thos for boot up?
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Click to collapse
It wont make it much faster
Sent from my SPH-D700 using XDA App

Led4lyf said:
So on the main page my settings are 200-1300, then I press apply settings. How can I tell If it is working, it does not seem that much faster? Do I have to set this every time I turn my phone on? Do I want to save thos for boot up?
Click to expand...
Click to collapse
When you turn your phone off then on, does it show those same settings? The speed boost will be slight. It's not like we're resurrecting Jesus here.

[q] under voltage!?!

So i just flashed the new 'code name droid' ROM and its sweet but it also comes with a overclocked kernel up to 1350 mhz and the ability to under-volt. I've heard under-volting can save on battery so i want to try it out!
SO my first question is , what are the pros and cons of playing with voltage?
second, is the amount i can change the voltage determined by each individual kernal? if so what about this one?
AND THIRD what should i under-volt my phone to and why?
also if anyone wants to share what they have volted their phone at please share!
thanks alot!

The worst thing that could happen is that your phone will not boot. Then you have to reflash. Just decrease the voltage carefully. If you notice instability, you undervolted too much.

Let me quote myself from the franco kernel thread.
Nebucatnetzer said:
No I can't.
For all the guys around here which would like to undervolt but don't have a clue how to do it right.
(I don't adress this to you jhericurls).
1. Get and app like Franco's Kernel Updater or setCPU. Both of them are working.
You need as well an app called Stabilty Test
2. Go in to your CPU control app and lock the frequency at the lowest. In our case 350Mhz.
3. Now you go to the undervolting menu. Select 350Mhz.
(Make a backup of your current voltages. In setCPU you can find the option under the voltage tab and then press the menu button.)
The correct way to undervolt would now be to lower the voltage by one step of -25mV. For impatient people like me.
Yes it is possible to take bigger steps. At least in the beginning in the end you have to do it step by step to test it properly.
Important: Do not select the "set on boot" option.
4. Go to the Stability test app and run the Classic Stability Test for a couple of minutes.
I always make at minimum 3 CPU runs.
5. Now go back to your CPU control app. And lower the voltage one step more.
6. Repeat step 4 and 5 until the phone crashes and reboots. Now go back to the voltage tab and raise the voltage by one step.
This is now your lowest "stable" voltage for 350Mhz.
7. Repeat step 2-6 with the other frequencies. When you're finished lock your frequencies how you like them or how the were before.
I recommend you to run now the Scaling Stabilit Test for a couple of minutes. Just to be sure. Now you undervolted your CPU.
IMPORTANT: As long as you're testing you voltages, NEVER, select the "set on boot" option.
If one of your voltages is to low you can end up in endless bootloops.
I don't even select it afterwards until I'm sure they're working fine. Real world usage differs from testing.
So it can happen that your phone suddenly reboots even after the testing.
It this case I recommend you to raise all voltage on step.
If you think you found a bug in the kernel and you're undervolted.
DO NOT REPORT IT. Revert back to the stock voltages, reboot and test if the bug appears again.
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Click to collapse
1. It could cause some instabilities but hey you're flashing custom recoveries so that shouldn't bother you too much.
2. Some kernel are setting a minimal voltage it's like the deepest possible voltage. I don't know if any kernel for the GNEX is having this function.
3. No body can help you with your values since every phone is different. Maybe yours is very good so you can go deeper the most of us.

How to undervolt

I am new to the whole idea of undervolting. I have previously overclocked my phone's but never undervolted. Is there a how to guide anywhere in the forums that i failed to find, if not can someone explain the steps and settings that they found stable on their phones with out a significant performance decrease. I am already rooted and have an overclock/undervolt kernal installed. I apologize if i missed this topic in a search.
Sent from my SGH-I747M using xda app-developers app

First step would be to go to the kernel thread and see how/what app should be used for the under volt/governor/i/o scheduler settings and install that. Different kernel makers may want you to use different methods.
Second, under volt settings will be different for every phone as the hardware is different. The best way is to take down every frequency 25mV at a time and do not use set at boot or any option like that. The reason for this is that you need to make sure your phone will be stable. If you set at boot and go too far and your phone reboots, you may be stuck in a boot loop and have to reinstall your ROM. After trying your phone for awhile and it seems stable reduce the voltage again and try it out continuing these steps until your phone becomes unstable/reboots/lags then raise your voltages the next step up. Try again for a bit and if all is well then you can utilize the set at boot option.
Remember every phone is different, only lower your voltages till what is good for you, doesn't matter if someone else with same ROM kernel can under volt further, they just have different hardware.
sent from my iPhone killer using tapatalk 2

I would check this page out too..
http://forum.xda-developers.com/showthread.php?t=1369817

[Q] Overclock with SetCPU

Hi,
Would anyone be kind enough to list a step-by-step process on how to overclock the Note 8.0 using SetCPU? I'm a new user of this app and I'm afraid I may end up doing some irreparable damage to the device.
I am also just curious to see if I can squeeze some more gaming juice from the Note 8.0.
thanks in advance.

jnolaw said:
Hi,
Would anyone be kind enough to list a step-by-step process on how to overclock the Note 8.0 using SetCPU? I'm a new user of this app and I'm afraid I may end up doing some irreparable damage to the device.
I am also just curious to see if I can squeeze some more gaming juice from the Note 8.0.
thanks in advance.
Click to expand...
Click to collapse
I was going to post a link to a setCPU guide, but its no longer available
Id only push the CPU a little. In order to gain real gaming perfomance increases you need to push the GPU, but in order to do that you will need a kernel that supports it.
I only received my tablet last night and wont be rooting it until the weekend so cant say what settings ill be using yet. my aim is to attempt to overclock slightly and undervolt where I can...

You're not going to break it with SetCPU. If you overclock too much, the system will become unstable, then just back off. Also, the system will shut itself off well before any temperature possible of causing permanent damage was reached.
SetCPU has an option to create a recovery-flashable zip file, which resets the CPU settings to default. I would absolutely take this precaution, as I've had to resort to it on my old HTC Flyer tablet (became unstable, and bootlooped). As long as you select this option, you're pretty safe.
Other than that, just follow the basic rule of overclocking any computer, and push the clock up one or 2 increments at a time, then test for a few hours to see if the tablet is stable under various usage conditions. Repeat until you've either reached a desirable clock speed, or encounter instabilities.
Also, as you may already be aware, higher than "stock" CPU clock steps are normally not available unless you flash a custom kernel.

The trickster app supports GPU overclock on Civato's kernel.
If you're looking to push the GPU that's the way to go.

Thanks for the valuable inputs to all.

roustabout said:
The trickster app supports GPU overclock on Civato's kernel.
If you're looking to push the GPU that's the way to go.
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Click to collapse
Does the Trickster app allow for senario clock settings. Ie. underclock the CPU on screen off or if battery is bellow a certain percentage?
I may have to switch from setCPU to it if it has the same settings and more...