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Any tweak that balances out active CPU cores?

Is it anyone that can share and care with me some kind of modifying / tweaks that shuts down how many CPU cores that is active at the same moment? My problem is that battery life is suffering thanks to the CPU is working at an high level even when using simple tasks like browsing the web thru the built in web browser.
Help me please..
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Destroyedbeauty said:
Is it anyone that can share and care with me some kind of modifying / tweaks that shuts down how many CPU cores that is active at the same moment? My problem is that battery life is suffering thanks to the CPU is working at an high level even when using simple tasks like browsing the web thru the built in web browser.
Help me please..
Skickat från min C6603 via Tapatalk 2
Click to expand...
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Download system tuner or get this app: https://play.google.com/store/apps/details?id=com.teamkang.fauxclock
And then just look at your cores. 97% of the time there is just 1 core working (on my phone).
Faux's app is about the same as CPU Spy, but Faux123 Kernel Enhancement Pro can also tell/show you the amount of time that all 4 cores were being used. Which is really barely never. If it's different in your case then you could do some tweaks, but I really doubt that it will be different then my phone. In the end it also depends what you use your phone for of course.

Dsteppa said:
Download system tuner or get this app: https://play.google.com/store/apps/details?id=com.teamkang.fauxclock
And then just look at your cores. 97% of the time there is just 1 core working (on my phone).
Faux's app is about the same as CPU Spy, but Faux123 Kernel Enhancement Pro can also tell/show you the amount of time that all 4 cores were being used. Which is really barely never. If it's different in your case then you could do some tweaks, but I really doubt that it will be different then my phone. In the end it also depends what you use your phone for of course.
Click to expand...
Click to collapse
If 1 one core is used - why is my battery draining like crazy? I am greenifying every known battery eating app that is installed on my phone but even then, I got bad battery life on my Xperia Z it is two days old though..
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Destroyedbeauty said:
If 1 one core is used - why is my battery draining like crazy? I am greenifying every known battery eating app that is installed on my phone but even then, I got bad battery life on my Xperia Z it is two days old though..
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Click to collapse
Yeah well... if anything... The least you should worry about are you cores.
Have you installed BBS/CPU Spy to see if your phone is going into sleep mode correctly?

Dsteppa said:
Yeah well... if anything... The least you should worry about are you cores.
Have you installed BBS/CPU Spy to see if your phone is going into sleep mode correctly?
Click to expand...
Click to collapse
My phone enter Deep sleep pretty quickly so it is nothing wrong with Deep sleep and sleep mode.
Maybe undervolting of stock kernel frequencies can help me with the fast battery drainage? I mean, my battery life is good but undervolting can make it better?

Turn off gps,google now,every vibration and unnecesary keyboard,dial sound.
The battery life will be better.
◇C6603

beni8978 said:
Turn off gps,google now,every vibration and unnecesary keyboard,dial sound.
The battery life will be better.
◇C6603
Click to expand...
Click to collapse
Already fixed.

Destroyedbeauty said:
My phone enter Deep sleep pretty quickly so it is nothing wrong with Deep sleep and sleep mode.
Maybe undervolting of stock kernel frequencies can help me with the fast battery drainage? I mean, my battery life is good but undervolting can make it better?
Click to expand...
Click to collapse
I guess UV helps to improve the battery life, but I don't know how much. The great thing of UV is that the phone also doesn't become too hot.

Destroyedbeauty said:
If 1 one core is used - why is my battery draining like crazy? I am greenifying every known battery eating app that is installed on my phone but even then, I got bad battery life on my Xperia Z it is two days old though..
Skickat från min C6603 via Tapatalk 2
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Click to collapse
Hey don't forget to let your phone settle down 2 days isn't enough. It needs around one week
Sent from my C6603 using xda premium

brightness is what taking the battery, I dont know what phone u came from but battery is pretty much a disappointment on this phone. I came from an S3 with a 7000mah battery, so yea it sucks.

Extremely bad battery life

I've been experiencing very bad battery life lately. Currently using PAC, I could lose 10% of battery in under 20 minutes of normal web browsing with the brightness set all the way to low. I'm underclocked and undervolted, battery health is good. I don't really know what's causing my media server thing to use so much battery but it's definitely chewing up more juice than normal. How am I supposed to fix this?

Stop media scanning.
On the Store there is an app called Rescan Media Root.
Media server drain ia usually caused by the sd scanning proccess, sometimes a bad file can cause it to go nuts and keeps the proccess alive, thus killing your battery.
Give it a go.

DrKrFfXx said:
Stop media scanning.
On the Store there is an app called Rescan Media Root.
Media server drain ia usually caused by the sd scanning proccess, sometimes a bad file can cause it to go nuts and keeps the proccess alive, thus killing your battery.
Give it a go.
Click to expand...
Click to collapse
I will also try this, my phone is only two days old and the battery life on this device is absolutely horrible compared to my Samsung Galaxy Note 2, I will check back with you folks and let you know the results

It is horrible compared to a Note 2, even if you didn't have that bug.
Plus, CM, AOSP, and PAC, all of them don't have that great of a battery life compared to stock.
Say you can get a solid 5+ hours out of a stock rom with few tweaks, whereas on those buolds mentioned you could get 4h, with not so great idling times.

DrKrFfXx said:
It is horrible compared to a Note 2, even if you didn't have that bug.
Plus, CM, AOSP, and PAC, all of them don't have that great of a battery life compared to stock.
Say you can get a solid 5+ hours out of a stock rom with few tweaks, whereas on those buolds mentioned you could get 4h, with not so great idling times.
Click to expand...
Click to collapse
mines totally stock too

DrKrFfXx said:
It is horrible compared to a Note 2, even if you didn't have that bug.
Plus, CM, AOSP, and PAC, all of them don't have that great of a battery life compared to stock.
Say you can get a solid 5+ hours out of a stock rom with few tweaks, whereas on those buolds mentioned you could get 4h, with not so great idling times.
Click to expand...
Click to collapse
Obviously horrible compared to a note 2 since note 2 has a bigger battery and lower resolution screen?
Sent from my C6603

DrKrFfXx said:
Stop media scanning.
On the Store there is an app called Rescan Media Root.
Media server drain ia usually caused by the sd scanning proccess, sometimes a bad file can cause it to go nuts and keeps the proccess alive, thus killing your battery.
Give it a go.
Click to expand...
Click to collapse
and if its not rooted?

I'm trying it our now, report back in a day or so. This phone is bound to have worse battery life than the Note 2, it has 2 more cores, 2x more pixels, LCD screen, smaller battery, if you want great battery life go back to the Note or get a battery case. I didn't know that stock gives me more battery, maybe I should go back :/

pimpsuprazx said:
and if its not rooted?
Click to expand...
Click to collapse
how can you have Custom ROM, but not want root?
sebastianlow said:
I'm trying it our now, report back in a day or so. This phone is bound to have worse battery life than the Note 2, it has 2 more cores, 2x more pixels, LCD screen, smaller battery, if you want great battery life go back to the Note or get a battery case. I didn't know that stock gives me more battery, maybe I should go back :/
Click to expand...
Click to collapse
Sony stock is very good rom to me. I will go to custom rom only if sony discontinued the updates, or sony makes the rom while drunk ( too much bugs, unstable... )
And, don't undervolt too much, -100mV is ok,
there's some test out there (not APQ8064), when undervolt too much, the processor will messed up the calculation, and re-calculate the process, wasting more battery and time. [this is applied to my old xperia arc]
If on Intel X86, I never get any issues/drawbacks from undervolting.
Sorry if I'm wrong, and sorry for my bad english.

sebastianlow said:
I've been experiencing very bad battery life lately. Currently using PAC, I could lose 10% of battery in under 20 minutes of normal web browsing with the brightness set all the way to low. I'm underclocked and undervolted, battery health is good. I don't really know what's causing my media server thing to use so much battery but it's definitely chewing up more juice than normal. How am I supposed to fix this?
Click to expand...
Click to collapse
Pretty common on cm based Roms.
Gesendet von meinem C6603 mit Tapatalk 4 Beta

~iPod~nano~ said:
how can you have Custom ROM, but not want root?
Sony stock is very good rom to me. I will go to custom rom only if sony discontinued the updates, or sony makes the rom while drunk ( too much bugs, unstable... )
And, don't undervolt too much, -100mV is ok,
there's some test out there (not APQ8064), when undervolt too much, the processor will messed up the calculation, and re-calculate the process, wasting more battery and time. [this is applied to my old xperia arc]
If on Intel X86, I never get any issues/drawbacks from undervolting.
Sorry if I'm wrong, and sorry for my bad english.
Click to expand...
Click to collapse
i never said i had a custom rom, i went to install it, and it said i had to be rooted, and I'm not rooting my phone yet, thats why I asked if something similar was available for non rooted users.

Of course I'm not saying it's gonna get magically better but you should really give it more of a chance than two days a couple full charge cycles will help some,plus being new your prob setting up alot etc
Sent from my C6603 using xda premium

Jonathan2677 said:
Of course I'm not saying it's gonna get magically better but you should really give it more of a chance than two days a couple full charge cycles will help some,plus being new your prob setting up alot etc
Sent from my C6603 using xda premium
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Click to collapse
thats definitely true, I know these batteries aren't supposed to have "memory" but should I do the full charge and drain with them?
I guess I'm under the assumption of it being newer and better technology then my Galaxy Note 2 I was coming from, I was expecting it to be right off the bat better.
thanks

pimpsuprazx said:
thats definitely true, I know these batteries aren't supposed to have "memory" but should I do the full charge and drain with them?
I guess I'm under the assumption of it being newer and better technology then my Galaxy Note 2 I was coming from, I was expecting it to be right off the bat better.
thanks
Click to expand...
Click to collapse
Diff threads I read say it's no good to let it drain down to low, I usually charge around 20,30 percent I do about once a month let drain completely
Sent from my C6603 using xda premium

Jonathan2677 said:
Diff threads I read say it's no good to let it drain down to low, I usually charge around 20,30 percent I do about once a month let drain completely
Sent from my C6603 using xda premium
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Click to collapse
I'm gonna try that, thanks

Bad battery? So this type not worthed to buy?

Hey, the "rescan media server" app fixes the battery drain temporarily. How do I find out and delete the file that is causing my media scanner to keep running? I switched over to another ROM a few hours ago and media scanner is still taking a big chunk of my battery until I kill it. Do I need to reformat my card? Run anti virus?

Try this app. It is an android issue not an Sony issues. The mediaserver running all the time. This app will help. https://play.google.com/store/apps/details?id=com.addz.mediascannerroot
Sent from my C6603 using Tapatalk 4 Beta

~iPod~nano~ said:
how can you have Custom ROM, but not want root?
Sony stock is very good rom to me. I will go to custom rom only if sony discontinued the updates, or sony makes the rom while drunk ( too much bugs, unstable... )
And, don't undervolt too much, -100mV is ok,
there's some test out there (not APQ8064), when undervolt too much, the processor will messed up the calculation, and re-calculate the process, wasting more battery and time. [this is applied to my old xperia arc]
If on Intel X86, I never get any issues/drawbacks from undervolting.
Sorry if I'm wrong, and sorry for my bad english.
Click to expand...
Click to collapse
I'm undervolted with -300 and my battery is lovely without any problems..
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Destroyedbeauty said:
I'm undervolted with -300 and my battery is lovely without any problems..
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Crazy undervolt. I thought my -200 was about the max you could achieve.

Question regarding total amount of active CPU cores..

I did some checking in the .sh files, inside the /system/etc folder, and found inside the set_governor.sh that the Z1 is pre-configured to keeping all 4 CPU cores online at the same time. For performance reasons it seems..
Should I delete every line that is related to total amount of online / active cores so the kernel can decide and take care about that by itself or should I echo 0 the amount of cores that I want to be in sleep / idle mode?
I am tweaking my brand new Z1 for even more battery life, that's why I am asking this question!

Destroyedbeauty said:
I did some checking in the .sh files, inside the /system/etc folder, and found inside the set_governor.sh that the Z1 is pre-configured to keeping all 4 CPU cores online at the same time. For performance reasons it seems..
Should I delete every line that is related to total amount of online / active cores so the kernel can decide and take care about that by itself or should I echo 0 the amount of cores that I want to be in sleep / idle mode?
I am tweaking my brand new Z1 for even more battery life, that's why I am asking this question!
Click to expand...
Click to collapse
All four cores are not online at the same time all the time. At idle, only 1 core is active at min frequency 300 mhz, the other cores come online when there is demand for them. Disabling cores has never helped improve battery life in my experience, merely causing slow downs and resulting in the CPU taking longer to complete processing, using up precious power before it's able to return to min frequency.
(My limited knowledge)

tomascus said:
All four cores are not online at the same time all the time. At idle, only 1 core is active at min frequency 300 mhz, the other cores come online when there is demand for them. Disabling cores has never helped improve battery life in my experience, merely causing slow downs and resulting in the CPU taking longer to complete processing, using up precious power before it's able to return to min frequency.
(My limited knowledge)
Click to expand...
Click to collapse
If this is the case - why does kernel modules like ECO-Mode exist that shuts down two cores and converts the phone into an DC one?
Sent from my C6903 using XDA Premium 4 mobile app

Destroyedbeauty said:
If this is the case - why does kernel modules like ECO-Mode exist that shuts down two cores and converts the phone into an DC one?
Sent from my C6903 using XDA Premium 4 mobile app
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Click to collapse
Eco mode? Never heard of it. Don't know anything that makes the Xperia Z1 go dualcore mode, might want to show me a link?
Ps. Tried underclocking with fauxclock or trickstermod?
Sent from my C6903 using Tapatalk

Why would anyone want to lower speed or nr of cores active on a beast like this? Go buy an older phone if u want a slower one lol. It uses the power it needs to complete the tasks it is asked to do unless u got some crap laying in the background draining your battery that way.

McT1980 said:
Why would anyone want to lower speed or nr of cores active on a beast like this? Go buy an older phone if u want a slower one lol. It uses the power it needs to complete the tasks it is asked to do unless u got some crap laying in the background draining your battery that way.
Click to expand...
Click to collapse
This have nothing to do with get a slow device. This probably will help avoid battery drain and without a few test no body can said it will not work.

eclyptos said:
This have nothing to do with get a slow device. This probably will help avoid battery drain and without a few test no body can said it will not work.
Click to expand...
Click to collapse
What battery drain are you referring to? When people talk about battery drain they usually mean when screen is of and they usually got some crap running in the background. I can get 2-3 days of moderate usage running dooms kernel and that's not bad.

McT1980 said:
What battery drain are you referring to? When people talk about battery drain they usually mean when screen is of and they usually got some crap running in the background. I can get 2-3 days of moderate usage running dooms kernel and that's not bad.
Click to expand...
Click to collapse
Any core need energy, trying to switch them off when not needed can only improve battery standby. This is not the solution for the battery, this is one of many. We know that the crap running in background it's another reason and the screen too. Here we considering only the CPU.

eclyptos said:
Any core need energy, trying to switch them off when not needed can only improve battery standby. This is not the solution for the battery, this is one of many. We know that the crap running in background it's another reason and the screen too. Here we considering only the CPU.
Click to expand...
Click to collapse
Agreed, but it would surprise me if the phone runs at 4x300mhz when the screen is of. 1 core is enough and i've seen several posts saying that it runs with 1 when the screen is of. If it runs at 4 however,yeah you could save some juice by disabling cores.

[Q] Xperia T CPU temperature

Can anyone let me know the below temperatures for Xperia T CPU running stock rom is ok or not ok?
idle : upto 36C ish
on slight use : above 40C
on longer usage of basic apps such as whatsapp, viber, facebook: between 40 to 50C
browser: around 55C (browsing xda took it over 60C)

repost

CPU temperature is not so important, it will always be that "hot" while being on use. Battery temperature is the thing that should be important to you.
I think these values are ok, as long as your phone does not shutdown unexpectedely (with the aproppriate "Shutting down" mesaage box) - that usualy means that the temperature of both CPU and the battery is way too high and any other operations may result in their permanent damage. If you don't experience such situations then I think you shouldn't be worried about anything
Anyway I have to tell you that IMHO this phone has, in fact, some "problems" with overheating or at least with pretty high temperature than it should be normally. But I don't care, after two years of really heavy usage - it still works and it never disappointed me, I hope you won't be too

Thermal throttling will start at around 65-70C, at 80 the phone will shutdown.
These functions are hard coded in kernel, so dont worry.

romcio47 said:
CPU temperature is not so important, it will always be that "hot" while being on use. Battery temperature is the thing that should be important to you.
I think these values are ok, as long as your phone does not shutdown unexpectedely (with the aproppriate "Shutting down" mesaage box) - that usualy means that the temperature of both CPU and the battery is way too high and any other operations may result in their permanent damage. If you don't experience such situations then I think you shouldn't be worried about anything
Anyway I have to tell you that IMHO this phone has, in fact, some "problems" with overheating or at least with pretty high temperature than it should be normally. But I don't care, after two years of really heavy usage - it still works and it never disappointed me, I hope you won't be too
Click to expand...
Click to collapse
Battery temperature hasn't gone beyond 40C if I remember. Only started to monitor recently. I've been using this just over two years too and never felt any heat when using it for normal usage on 4.0 and 4.1 stock roms.
Only felt it on 4.3 and downgrading after trying 4.3 uk rom 2nd time, even 4.1 now produces noticeable heat which is what's bugging me. Really regret for upgrading to 4.3 for a 2nd time :'(
The initial downgrade was done through SEUS as 4.3 wasn't released for UK then and had the blue triangle icon on some bootups but no other issue or heat.
Which rom do you use now on your device?

40C is really low value for the battery. Trust me, you really shouldn't be worried about the temperature
I was using the newest build of OmniROM until yesterday. I flashed the newest release of CM11 and I'm not disappointed.

ok, thanks. I am trying the Omega v2 rom since yesterday, but it seems to make it much warmer so might head back to 4.1

What helped me on my Xperia V is rooting, downloading No-Frills Cpu Controp and changing governor to ondemand (it was interactive by default).
Sent from my LT25i using XDA Free mobile app

finac94 said:
What helped me on my Xperia V is rooting, downloading No-Frills Cpu Controp and changing governor to ondemand (it was interactive by default).
Sent from my LT25i using XDA Free mobile app
Click to expand...
Click to collapse
thanks, just installed the app. It seems to be 'ondemand' by default. :/
Just finished setting up 4.1 stock rom, and a little bit of usage heats it up very quickly. With the heat, battery level goes down very quickly too

ruwsoft said:
thanks, just installed the app. It seems to be 'ondemand' by default. :/
Just finished setting up 4.1 stock rom, and a little bit of usage heats it up very quickly. With the heat, battery level goes down very quickly too
Click to expand...
Click to collapse
Well it happens on my Xperia V too no matter what I do, but since I've been using a silicone case I don't notice it anymore and it doesn't burn my fingers like it used to. Maybe try changing governor to interactive...I'm using it now and the phone seems pretty cold
Sent from my LT25i using XDA Free mobile app

finac94 said:
Well it happens on my Xperia V too no matter what I do, but since I've been using a silicone case I don't notice it anymore and it doesn't burn my fingers like it used to. Maybe try changing governor to interactive...I'm using it now and the phone seems pretty cold
Sent from my LT25i using XDA Free mobile app
Click to expand...
Click to collapse
I've been using a TPU gel case since I bought the phone... and never felt any heat (apart from when trying out 4.3 but yet less than present level of heat). So seems it took 2 years for the phone to start this 'heating up' mode. I am trying to understand if it is a software issue or something to do with hardware.

ruwsoft said:
I've been using a TPU gel case since I bought the phone... and never felt any heat (apart from when trying out 4.3 but yet less than present level of heat). So seems it took 2 years for the phone to start this 'heating up' mode. I am trying to understand if it is a software issue or something to do with hardware.
Click to expand...
Click to collapse
I've read that almost all Sony phones heat up so it's probably a hardware issue...but since rooting and uninstalling all bloatware and disabling some of the google's services, I noticed my phone doesn't really heat up that much anymore.
Sent from my LT25i using XDA Free mobile app

finac94 said:
I've read that almost all Sony phones heat up so it's probably a hardware issue...but since rooting and uninstalling all bloatware and disabling some of the google's services, I noticed my phone doesn't really heat up that much anymore.
Sent from my LT25i using XDA Free mobile app
Click to expand...
Click to collapse
Even I have rooted and disabled almost all the bloatware including some google apps (actually removed them from the system/app folder itself). This was how it was prior to 4.3 testing and had no issues. Only heated slightly for a YouTube video or so. Removed the same list of items this time around as well, but for even apps like whatsapp it heats..so something is definitely wrong... it remains cool on idle, hence not a background service that causes it.

ruwsoft said:
Even I have rooted and disabled almost all the bloatware including some google apps (actually removed them from the system/app folder itself). This was how it was prior to 4.3 testing and had no issues. Only heated slightly for a YouTube video or so. Removed the same list of items this time around as well, but for even apps like whatsapp it heats..so something is definitely wrong... it remains cool on idle, hence not a background service that causes it.
Click to expand...
Click to collapse
Then it might be a hardware issue :/
My phone used to overheat on 4.3, but on 4.1 it's pretty cool.
Sent from my LT25i using XDA Free mobile app

finac94 said:
Then it might be a hardware issue :/
My phone used to overheat on 4.3, but on 4.1 it's pretty cool.
Sent from my LT25i using XDA Free mobile app
Click to expand...
Click to collapse
that's exactly how mine was
wondering if there is some clash in the internal memory area.. (which happened when using flashtool to downgrade... from 4.3 this time). Before used SUS as 4.3 wasn't released for UK and it repaired to 4.1

When i play CoC with data mobile the temperature become very high...this can damage any hardware components?
Because i changed the battery two times for random reboots and i think that some components are broken

its WINTER
ITS WInter DUDE NO WORRIIES!!

Tinup93 said:
ITS WInter DUDE NO WORRIIES!!
Click to expand...
Click to collapse
yes, but, that does not help

Nexus 6- Display Gets Very Hot After Using Chrome For 10 Minutes

screen heat
Just got a nexus 6. After browsing the web using chrome for 10 min. Display is hotter than the back of the phone. Is this normal. I am not doing anything processor intensive. Phone is updated to latest firmware.

Yeah, mine does too.
Sent from my Nexus 6 using Tapatalk

thecarp1975 said:
Yeah, mine does too.
Sent from my Nexus 6 using Tapatalk
Click to expand...
Click to collapse
Will it damage the screen due to heat. Will custom ROM resolve this issue. I just could not believe that this high end device heats up so much and it is normal!.

avraajan said:
Will it damage the screen due to heat. Will custom ROM resolve this issue. I just could not believe that this high end device heats up so much and it is normal!.
Click to expand...
Click to collapse
I'm not sure, I just know mine and tons of other users here experience the same thing with the screen.
Sent from my Nexus 6 using Tapatalk

the phone can reach up to 100C, 212F, safely. when it reaches 100C, it automatically shuts down to cool off, and it cools of fast. btw, your screen is WAY below 100C(boiling point of water), that mwans its safe.

My phone doesn't heat up at all. I can browse Tapatalk, Google+, Chrome, and Facebook for hours and my phone never goes above 40°C. The only time my phone heats up is while using the camera for extended periods of time or playing Asphalt 8, but even then it stays below 60°C.

Face_Plant said:
My phone doesn't heat up at all. I can browse Tapatalk, Google+, Chrome, and Facebook for hours and my phone never goes above 40°C. The only time my phone heats up is while using the camera for extended periods of time or playing Asphalt 8, but even then it stays below 60°C.
Click to expand...
Click to collapse
Please let me know how you are measuring the temperature.

avraajan said:
Please let me know how you are measuring the temperature.
Click to expand...
Click to collapse
there are many apps that measure cpu temperature. thats cpu temp, not battery temp. i use the TempMonitor , and set cpu temp instead of battery temp.

avraajan said:
Please let me know how you are measuring the temperature.
Click to expand...
Click to collapse
I use Kernel Auditor to measure the CPU temperature.