How to underclock the CPU? - One (M9+) General

I used No Frills to underclocked the CPU but the settings reset after I exited the app. Help pls

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[Q] SetCPU

Hi, i have a question about SetCPU.
I have SetCPU configured to 245min and 768max with ondemand governor. I'm also having active profiles too.
My question is: If I uninstall SetCPU the configuration will be still there or it will be automatically configured to 600 MHz in all cases.
Sorry for my English.
Thanks
SetCPU asks for root access all the time the device starts, so IMHO the default 600Mhz will apply if you remove it. You should test by actally removing the app, rebooting, then putting the app back and checking, or - even better - checking with some other diagnostics software like Android System Info.
It will revert to 600MHz and you'll loose all profiles
Like Grammar said it will go back to 600. But there is always scripts or you can keep the SetCPU.

CPU governor or SetCPU or both questions

I currently have UD 1.1b2 with sibere kernel v13 installed.
Now I think, it clocks not to 1200 but to 1000, due to a report of Quadrant System information.
Do I have to edit a file (which one) on my device so CPU governor is clocking to 1200 or is installation of SetCPU required?
Somewhere I read, these two interfere with each other.
Posted the same in the other Thread:
I installed Stab. Test but it tells me with the root testing (name forgotten) that only 1000 MHz max are tested.
I have an overclocking kernel which should go to 1200.
How can I test 1200 with this app?
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?p=16548823#post16548823
€dit:
It seems the 1200 max freq setting is constantly overwritten by something.
The governor is responsible for the adjusting of the clock while Android is running.
SetCPU allows for an easier switching between installed governors and to set other Min-Max Frequencies.
They both do a complete different job.
Please check with either SetCpu or Overclock Widget that the min-max values are 300-1200 and then you should be good.
And keep in mind, with any other governor then performance you will prob. never see 1200 on any widget.
Setcpu has an info page where you can see (time in state ) what freqs are used.
I just let Uruk handle the CPU governor. I also use the following...
CPU Spy is simple app to display the time the CPU spends in each frequency state:
https://market.android.com/details?id=com.bvalosek.cpuspy
Temp+CPU V2 is a widget and will show current CPU speed, CPU load, batt temp, and ram:
https://market.android.com/details?id=com.sanels.tempcpuv2
That is the problem.
I set SetCPU to 300 - 1200.
Shortly after doing that, it switches automatically to 800 or 300 - 1000.
No more 1200 anymore on SetCPU main Screen.
I like to minimize the number of apps not written by me doing stuff behind the scenes, and so I just use a startup script to set the CPU settings. This also fixes a problem with video player apps on the Gen8 archos automatically fixing the CPU rate at 800 MHz (which is sometimes not enough for Netflix and sometimes too much for other things), though it may be that the current version of SetCPU also fixes this (I reported the issue to the SetCPU author).

[Q] Do galaxy y duos need setCPU app?

I think that don't need setCPU (or CPU master Pro)
Because I installed cpu spy, it show cpu working at 312MHz is 80% and 832MHz is 11%
May be it's enough smart to exchange between frequency chip max and min.
First of all.... Please dont create question threads in dev section..
Read this thread Questions should not go here
To answer your question... set cpu and cpu spy are apps made for 2 different purposes.. cpu spy gives statistics or info on whats going on cpu... that too on software side..
Set cpu is an app to "set" governors/io schedulers/ cpu freq etc... also it provides info and info is related to hardware side..
So back to thread title.. yes set cpu or any other app which might do same actions as set cpu is needed for any device including duos only when you have a custom kernel which has many features to apply..
I hope this answers your question.. please do create threads in Q & A section for this.. i will request The-Captain to move this thread..
hit thanks button! If above post helps you..
Sent from my GT-S6102
First, thank to nitubhaskar!
Sorry for this,
I've never install setCPU or CPU master,
I only install CPU spy and it's show me that performance. I think my phone auto exchange it (don't need install other app to overclock CPU)
Or maybe that app is installed in kernel?
windows112009 said:
First, thank to nitubhaskar!
Sorry for this,
I've never install setCPU or CPU master,
I only install CPU spy and it's show me that performance. I think my phone auto exchange it (don't need install other app to overclock CPU)
Or maybe that app is installed in kernel?
Click to expand...
Click to collapse
No apps are installed on kernel...
If you use no frills cpu (free) or set cpu(paid) from play store.. you will get options to use full features of custom kernel.. but without these apps also you can use custom kernel. You wont be use full features.. thats all... so its your choice.. i suggest install no frill cpu then use it and see..
hit thanks button! If above post helps you..
Sent from my GT-S6102

Questions about undercvolting/underclocking

I've decided to underclock and undervolt my Nexus 7, which has latest ParanoidAndroid rom and Metallice's M-kernel and TricksterMod apk to control parameters. I started with 2-core limited 1.2 Ghz and stock voltages, but there are some burning questions to be answered:
1. Is there an app which stress-tests specific values of cpu ( i.e. 1000 Mhz)? I can run SuperPi for max setting, but I don't know any way to test middle values explicitly.
2. In TricksterMod when I set max cpu speed to 1200, there's no adequate value to decrease voltage. The only ones that I see are 1170 and 1230. Should I change both, or maybe change app for sth else?

[Q]Cpu Governors / IO Schedulers question

ive been seeing this kernels with lots of CPU governors and stuff.. but i just wanted to ask do i really need a CPU control app like no-frills or SETCPU to use or switch between these governors? or android does this automatically?
You need no frills cpu to set cpu govenors
android will automatically scale up and down between the min and max frequency you set depending on the govenors settings
ie performance govenor will keep frequency at max higher boosting phone performance but at a cost of draining the battery alot quicker
full list of governors and what they do can be found by searching

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