[Q] S3 i9300 CPU dropping to 800Mhz constantly!!! - Galaxy S III Q&A, Help & Troubleshooting

Hi there to all!!! I've been flashing various Android Roms for a few yrs now & really enjoy trying out new custom roms etc... Now i have a weird problem, Most customs Roms I have tried for my S3 i9300 are great & most 4.3 Roms come with a Custom Kernel such as Beoffla, GoogyMax, devil kernel & so on.... Now the problem is when leaving the CPU at defualt governer & settings everything is fine eg: min 200 & max 1400 but games lag now & again, When setting the CPU min & Max settings to 1400MHz, the results are much better but not for long, The CPU always drops to 800MHz when gaming as i notice the lagg, I've noticed this same thing with just about every kernel & rom ive tried wether its set to 1400 or even overclocked to 1500 or 1600max, I've also tried every trick to make them settings stick , like trickster mod etc, none seem to work for long, its like another system service is interfering with the settings or so.....im pulling my hair out to figure out what this is, I just want the CPU min & max to stay firmly at 1400Mhz or 1500 etc....without changing at all!!!
Any help or suggestions would be really appreciated.... FlashJunkie83
Sent from my NeatRom'ed Galaxy S3

CPU/GPU can under-perform if they get too hot from playing resource-intensive games or apps. Maybe this is the issue.
~ RazorMC

RazorMC said:
CPU/GPU can under-perform if they get too hot from playing resource-intensive games or apps. Maybe this is the issue.
hey yea would make sense but when running rooted stock 4.1.2 with stock kernel, this doesnt happen at all, i can set performance governer in set cpu & it stays at 1400 Mhz throughout, also i would of thought a Cpu thats ment to run at 1400 would be fine to do so all the time as its ment to be able to... even with a little heat behind it... its still only doing what its ment to lol, i remember in the days of my s2, i could push the cpu to 1200mhz & it would happily stay there even tho it got hot lol, im really sure its a system thing that upsets the cpu frequency, other than that there must be a way to stop the cpu/gpu from under-performing with a little heat..... thanks for reply tho dude....
Sent from my NeatRom'ed S3 i-9300
Click to expand...
Click to collapse

@FlashJunkie83
- High temp will always cause freq throttling since this is how devices are designed. This over-rides whatever the max freq the cpu was designed to run on.
- try undervolting from the boefla config app (if you use the boefla kernel). I use -25mV with almost no difference to performance. Some users have gone on to -50mV but that gave me random freezes and massive lags sometimes.
- Test different governors. I mostly use the default pegasusq and it works well enough. Constantly high freq can affect the CPU in the long-term. So I use max freq of 800mhz and increase it to 1400mhz only when I play games.
- I'm not a fan of SetCPU. It's a great app but i find specific apps (like boeffla config) for kernels to be more precise.
- You can also try a different battery and borrow one from a friend to test it out. I had slight heating issues long ago and changing the battery reduced the heat for me somehow. It was not much, but it was enough for me to notice.
~ RazorMC

RazorMC said:
@FlashJunkie83
- High temp will always cause freq throttling since this is how devices are designed. This over-rides whatever the max freq the cpu was designed to run on.
- try undervolting from the boefla config app (if you use the boefla kernel). I use -25mV with almost no difference to performance. Some users have gone on to -50mV but that gave me random freezes and massive lags sometimes.
- Test different governors. I mostly use the default pegasusq and it works well enough. Constantly high freq can affect the CPU in the long-term. So I use max freq of 800mhz and increase it to 1400mhz only when I play games.
- I'm not a fan of SetCPU. It's a great app but i find specific apps (like boeffla config) for kernels to be more precise.
- You can also try a different battery and borrow one from a friend to test it out. I had slight heating issues long ago and changing the battery reduced the heat for me somehow. It was not much, but it was enough for me to notice.
~ RazorMC
Click to expand...
Click to collapse
thanks mate will give it a go
sent from my NeatRom'ed S3 i9300

finally fiqured it out, it seems that cynogenmod has a diffrent approach to thermal throttling as ive flashed CM10.2.0 Android 4.3.1 along with Boeffla 2.1 for CM & the issue seems to have gone completely, have been running a performance test on games for best part of the day at 1600MHz with 4 enabled cores & just going back to normal settings for normal daily use, & not 1 issue with throttling, so now im very happy with the smoothness in games although its gets warm, but most high performance CPU's do anyways,So ive come to the conclusion that thermal throttling must be handled more by sammy roms it seems, but got the result i wanted in the end, thanks for all replies tho guys
Sent from my blazing S3 i9300 now running CM10.2.0

Related

[Q] CPU Governors

Hi everyone,
Like most people I've been trying to find that optimum balance between performance and battery life in my Aria. I'm running CM7.0.3 and the latest version of drowningchild's kernel. With that kernel I switched setCPU from ondemand to smartass, and I can already see the CPU spending most of it's time in either 400 or 480 MHz, but when playing a graphic intensive game it'll go up to 806 MHz and run great.
But, here's the problem. With things like less graphic intensive games, or playing videos, smartass doesn't want to scale up to a useful clock speed, and things get choppy. I switch back to ondemand and everything smoothes out again. I don't want to keep it in ondemand all the time though, because then it's spending half the time in 806 MHz and eating up battery unnecessarily.
So, is there a better governor option for me? Or maybe a way to "whitelist" apps within setCPU, to designate apps that always get the max clock speed?
tl;dr: smartass isn't that smart in certain situations. Is there a better way?
Check out the app "Tasker" in the market. It will allow you to reconfig the governors automatically based on a slew of complex conditions.
If you want smartass roll back to 7-5 of my kernel and it should be fixed as I tweaked it to jump around less in newer versions
I'm still messing around with the new kernel released & will add smartass very soon & hopefully optimized
drowningchild said:
If you want smartass roll back to 7-5 of my kernel and it should be fixed as I tweaked it to jump around less in newer versions
I'm still messing around with the new kernel released & will add smartass very soon & hopefully optimized
Click to expand...
Click to collapse
Hey yea you're right, I didn't notice you had a new kernel out. I'm running 7-5 still but I'll upgrade once smartass is working in the new version.
I've been using "conservative" setting. Although when it initial opens a resource intensive app, its stutters a little, and then compensates by clocking up. I haven't had an issue where a game didnt want to run smooth (also at 806mhz).
I run on demand at 320/768. This to me seems to be a very good combo. The 320 min makes a noticeable difference in responsiveness without much sacrifice to battery. I've found the Max cpu setting doesn't make too much of a difference in most situations.
Sent from my cm7 Aria.

[Q] What are the best settings for SetCPU?

On a Samsung Vibrant (U.S.A.) with stock v2.2 what are the best settings, profiles, ect. for saving battery? Also please label the specifics like max/min, scaling, and your advanced settings. Thank you...
EDIT: I understand you can't overclock without a customized kernal, but if I recall correctly you can underclock without it. Am I correct?
If you underclock your phone, it might get better battery life, but it perfomance will go down too and will start lagging, i don't recommend it at all.
The vibrant doesn't like profiles with less than 800 Max, it tends to freeze on wake-up. The amount of savings from an 800 MHz screen off profile is almost immeasurable as well. Also, the default conservative governor is the only one that is reliable. Therefore unless you're overclocking to start with, setcpu doesn't do anything for battery life on our phones. Best to just use a UV kernel such as BALI.
Sent from my SGH-T959 using Tapatalk
Hey man, what you want is undervolt. Underclock will slow you down, and not make a huge difference. However I undervolt by 75mv through the spectrum and have seen great results.
can't hurt to underclock to 800 though, some kernels are ok at 400 but very laggy.
Vibrant - project v, bali 1.8.6UV
JettyLife said:
Hey man, what you want is undervolt. Underclock will slow you down, and not make a huge difference. However I undervolt by 75mv through the spectrum and have seen great results.
can't hurt to underclock to 800 though, some kernels are ok at 400 but very laggy.
Vibrant - project v, bali 1.8.6UV
Click to expand...
Click to collapse
Yes.
Don't underclock. It will make your phone hell.
UNDERVOLT.
thats good.
Ok, I'm posting here because after doing a search, this is the very latest SetCPU thread. Recently, we finally got a worthwhile Gingerbread JVP and several ROM's (Simply Honey 3.8 & Asgard 3.1 JUST AMAZING ROM's) have finally given us some 2.3's we can keep on our phones, well in my opinion anyway.
So, I'm using cmenard's latest Bullet GB Kernel v6.1 and have decided to finally put to use the profiles section on SetCPU. Below is what I'm thinking and would enjoy a friendly conversation of what/if any benefits can be had on Gingerbread and customs Kernels using SetCPU Profiles. I read somewhere that Android is getting much better in regards to battery/performance efficiency, but I noticed a slight fall in battery life on 2.3.4 over 2.2.1 by a few hours.
My Profiles at this time.
Main SetCPU screen
200 min - 1200 max - Conservative? Smartass? Interactive? Any particular Governor worth using other than stock Conservative? - Set on Boot = YES
I'm not quite sure how the priority works on the main screen, I mean let's say I'm at 21% battery life and its time for my battery profile to kick in, but I'm still using the phone for various reasons, wifi calling or benchmarking etc. Will the phone stay at 200-1200 or will it actually use my battery profiles?
Screen Off (Set at 10 minute timeout)
100 - 800 - Conservative - Priority 100
Battery <11%
100 - 400 - Conservative - Priority 75 (Really thinking I should delete this)
Battery <21%
100 - 800 - Conservative - Priority 50
Charging
100 - 800 - Conservative - Priority 25 (Trying to keep the phone cool)
I have read that the Vibrant does not like profiles of 400 or lower when the screen is off, and this must be true as I tried 100-400, 200-400, but they all gave me wake of death until I set the max to 800 (there was no in between a.k.a 500, 600 or 700), so now 100-800 seems to work great for Screen Off. I hate this since when the screen is off the phone does not need to be doing anything other then checking gmail via wifi and notifying me using BLN blinking. Also, I tried to set a profile for Battery temp, but for what ever reason it will NOT give me the save button, so I assume GB now controls that on its own, or cmenard has removed that option from his kernel (or setcpu is borked, lol).
Any tips or concerns with my settings above? Anyone here a guru with SetCPU profiles and can see I'm a noob with profiles? lol
Thanks
SkOrPn

Icecream Sunday Final + Lag

I installed Icecream Sunday Final (very nice rom btw), but the phone lags often. For example, when I unlock it, it can be frustratingly long to be able to launch any applications right away. There is always at least 100mb of ram free, so I am not sure what causes this.
Does anyone have any advice? Has this happened to any other ICS users?
Are you using an OC Kernel?
If so, I read around here on the forums that you should increase your minimum CPU speed a bit and that should clear up the lag when unlocking the phone. Haven't tried it myself since I am running theMyth - ICS Lite, but am going to go back to Cyanogenmod (once of the things that peeved me on Cyanogen was exactly this; lag after unlock).
Hope this helps
Gooner88 said:
I installed Icecream Sunday Final (very nice rom btw), but the phone lags often. For example, when I unlock it, it can be frustratingly long to be able to launch any applications right away. There is always at least 100mb of ram free, so I am not sure what causes this.
Does anyone have any advice? Has this happened to any other ICS users?
Click to expand...
Click to collapse
hi you have to flash a kernel (you ll find all the information needed in the ic sunday topic)
i did do that and its far better
Either you set your min. frequenzy to 245Mhz or just use smartass gov. @ 122Mhz. I prefer smartass @ 122Mhz and there no lag.
PS: I´m using the same rom but with SlaidFastMod V2
I'm having wake-up lag too! But I already gave up thinking that the SGA's CPU just sucks. Thanks for this info GerasVille, I did not think to tinker with the System settings of CyanoGen because of the "Dragons Ahead" prompt. I will try this smartass setting to see if the wake-up lag will be removed. It sucks when I have to send an emergency SMS and my phone is lagging like hell.
Anyway so let me get this straight. Does having the minimum CPU clocked at 122mhz mean that if the device is inactive, it dynamically clocks down the CPU to 122mhz to save battery? Hence the wake-up lag is caused by the CPU being clocked back up?
I'm also gonna try out slaidfastmod to see if it makes it even better.
You can put up with the lag and save a tiny bit of battery life, or speed up the CPU and lose some battery life. Whichever you feel is more useful. Personally I don't mind the small unlock delay. Happens on most phones low powered anyway.
Sent from a phone with an app.
Eniac77 said:
Are you using an OC Kernel?
If so, I read around here on the forums that you should increase your minimum CPU speed a bit and that should clear up the lag when unlocking the phone. Haven't tried it myself since I am running theMyth - ICS Lite, but am going to go back to Cyanogenmod (once of the things that peeved me on Cyanogen was exactly this; lag after unlock).
Hope this helps
Click to expand...
Click to collapse
The kernel that is currently installed is "2.6.35.7-perf-CL562111" Ketut-lenovo #4. I am not sure if it is an OC kernel.
GerasVille said:
Either you set your min. frequenzy to 245Mhz or just use smartass gov. @ 122Mhz. I prefer smartass @ 122Mhz and there no lag.
PS: I´m using the same rom but with SlaidFastMod V2
Click to expand...
Click to collapse
I installed SlaidFastMod v2, set governor to Smartass and min CPU frequency to 245 MHz and this fixed the issue! It's much smoother when unlocking.
Is it safe to tick the "Set on boot" setting for CPU settings?

Overclocking Problem

hey guys.
i have been wondering about this problem for a long time, and i could not find a solution to it. Thus, i wanted to ask you guys about it. The max i can overclock my phone to is 748. whenever i try to raise it to about 768 or 787, the phone will freeze and restart. is it due to the hardware limitations of my phone? or isit due to some software limitations?
Please help.
Just Hardware.
(I can overclock to 729 )
Hi. I'm still using Gingerbread stock rom 2.3.3 but with latest franco's kernel. My max. clock is 710Mhz. Anything above that, my phone will get freeze very often. Is there any recommendation on what should i set for my min. clock as well as the Governor?
SacredGuy said:
Hi. I'm still using Gingerbread stock rom 2.3.3 but with latest franco's kernel. My max. clock is 710Mhz. Anything above that, my phone will get freeze very often. Is there any recommendation on what should i set for my min. clock as well as the Governor?
Click to expand...
Click to collapse
I use the performance gov. and it's worked well.
SacredGuy said:
Hi. I'm still using Gingerbread stock rom 2.3.3 but with latest franco's kernel. My max. clock is 710Mhz. Anything above that, my phone will get freeze very often. Is there any recommendation on what should i set for my min. clock as well as the Governor?
Click to expand...
Click to collapse
I use stock 2.3.3 v20g + franco kernel and set max clock at 729Mhz, sometimes it freeze, but normally work fine (with any gov).
Each CPU is a little different. My OV is stable at 600 with smartassv2 but once I step it up to 729 the phone will randomly freeze or reboot.
Sometimes you get a good cpu that can be OCed a bit, and sometimes you get one that can go no further then stock. If you can OC then consider yourself lucky.
Whenever you try to increase the max frequency beyond a certain limit the CPU can not handle that and tells the kernel about that and kernel starts to Panic... (reboots or freeze)
For example My phone remains stable upto 768 MHz (usually i keep it at 748Mhz....)
but if i increase it to beyond 806 MHz it starts to panic...
Hardware
Has differences on hardware, already tried with 2 differents P500, one could overclock to 768 Mhz, the other can reach 800Mhz without freeze.
karven said:
Has differences on hardware, already tried with 2 differents P500, one could overclock to 768 Mhz, the other can reach 800Mhz without freeze.
Click to expand...
Click to collapse
Since all the p500 have same hardware, they can be OC to same max frequency if they have same software config...
806! never freezes but she gets warm! can get over 40 celcius
EDIT
Mind you i only get about 16 hours of battery life LOL
shubhamjain001 said:
Since all the p500 have same hardware, they can be OC to same max frequency if they have same software config...
Click to expand...
Click to collapse
where did u get ur facts?
are u smart or just effin noob?
yours preferred governors????
actually the best one is....
Dude keep it around 652 and interactive otherwise UR Battery will drain fast
depends on ur ROM+kernel combo.
on oxygen v1.1 i smoothly ran on 480-768 and battery lasted around 2 days with average use.
Now on Cm7 nightly, equally smooth at 729-480 and battery is awesome too..
Overclock
Ohhh!!! lucky guys.. my phone only accepts 672Mhz at max or anything above that value leads to rebooting or freezing.
Rom: Cyanogenmod 9 (Android 4.0.3)[BETA4]
Kernal: Franco Kernal - 4
OC: 480/672 Max
I get 748MHz completely stable when pushing "performance" governor with franco #4.
But irrespective, this is not about bragging...one would see LITTLE real life difference (save for frying the CPU faster) going above 672MHz. Don't just look at synthetic benchmarks...feel your phone.
Oh...and it was mentioned multiple times that 600->806MHz uses the same voltage hence the same power consumption for Sidestep CPUs.
I am running max CPU @ 729 and it has been running smooth for days with no freeze/reboots, I also noticed having the Governer on Performance has helped my battery life and such, i havent noticed the phone getting any warmer whatsoever so no problems with heat, Also I am using a LG-P504 Optimus One which Ive heard is the final release for this phone, so maybe its more stable than the pervious versions.
My p500 can handle 768 max. With some kernels 787mhz. But i am running 245-710 with miui v4: lol:
Sent from my LG-P500 using XDA App
Yea mine can handle that too but it drains my battery faster I've noticed. So now I run Max @ around 720 which seems quite stable!! Only time I use the nitrous feature also is with playing more top end games which I otherwise wouldn't be able to play without really low fps.
Sent from my LG-P504 using XDA App
Im using cyanogenmod nightly 7.2.0 build 34 on 748 mhz with any governer and it's working very well.OC also depends on ROM's.each ROM has different capabilities to OC...

[Q] SetCPU Settings

What settings are best for optimal performance and battery life? I don't have any experience with this, and I don't want to screw anything up. I just got tired of my games always lagging, but I don't want a battery drainer. I dont believe I have a custom ROM. Thanks for any and all help.
NLangan said:
What settings are best for optimal performance and battery life? I don't have any experience with this, and I don't want to screw anything up. I just got tired of my games always lagging, but I don't want a battery drainer. I dont believe I have a custom ROM. Thanks for any and all help.
Click to expand...
Click to collapse
SetCPU probably won't work very well unless you flash a custom KERNEL. You can mess around with it if you like and you'll probably won't mess things up. One thing I discovered before custom kernels came out is that you can enable the second core by enabling profiles in setcpu. YOu can see that in the menu option of setcpu for "cpu". That may help you in your games. If you set max at 1500 and min 192 initially, you'll see that next time you start setcpu, the max and min are both at 1500. I used another app like cpu monitor widget to see what was happening and low and behold the cpu was scaling 'properly', so I left the setting in setcpu at 1500 and 1500.
In the end...it doesn't work quite the way it was designed for and even with custom kernels we're seeing some issues with it, but mess with it, you may find that enabling the 2nd core will produce less laggy games. You'll have to judge the affect on battery.
topgun1953 said:
SetCPU probably won't work very well unless you flash a custom KERNEL. You can mess around with it if you like and you'll probably won't mess things up. One thing I discovered before custom kernels came out is that you can enable the second core by enabling profiles in setcpu. YOu can see that in the menu option of setcpu for "cpu". That may help you in your games. If you set max at 1500 and min 192 initially, you'll see that next time you start setcpu, the max and min are both at 1500. I used another app like cpu monitor widget to see what was happening and low and behold the cpu was scaling 'properly', so I left the setting in setcpu at 1500 and 1500.
In the end...it doesn't work quite the way it was designed for and even with custom kernels we're seeing some issues with it, but mess with it, you may find that enabling the 2nd core will produce less laggy games. You'll have to judge the affect on battery.
Click to expand...
Click to collapse
I appreciate the help! [Thanked]

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