Questions tagged [cpu]

The tag has no usage guidance, but it has a tag wiki.

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CPU usage by app on Android 8

My Samsung S7 is seriously overheated. Battery is being consumed super quickly. I need to see a simple list of applications with percentage of CPU usage. I am desperate because all attempts and ...
Tomas's user avatar
  • 275
3 votes
0 answers
794 views

Restrict CPU frequency from going too high

I got a OnePlus 6 running on Snapdragon 845. The CPU can clock up to 2.8GHz, which is very battery-consuming. I want to limit the CPU clock frequency to, say for example, 2.2GHz or another value I ...
iBug's user avatar
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2 votes
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418 views

Does turning off cpu cores will actually save power?

My phone is using custom kernel that has cpu hotplug in it. The hotplug name is AutoSMP and it has max cpu (big & little) core that should be online option in it. Currently I'm using 3 + 3 core ...
Jtnqr's user avatar
  • 161
1 vote
0 answers
354 views

Is there a way to read CPU temps on Android 9+ under root?

Given the fact I have rooted device, is there a way to get that data? Raw or w/ tools. P.S. I was looking around for a build of htop with cpu thermals but I dont think there is any compatible for ...
Digika's user avatar
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1 vote
0 answers
117 views

How can one find out whether Android is throttling my CPU, e.g. because the temperature is too high?

I'm suspecting that Android sometimes limits my CPU at around 66% when the temperature is too high. I can see that my Geekbench score is much lower than what it should be: Even though my CPU isn't ...
Franck Dernoncourt's user avatar
1 vote
0 answers
656 views

How to automatically set a CPU governor on boot?

There are apps that can accomplish this task (e.g. "Kernel Adiutor" and others), however they in turn require other apps that can grant them root access to begin with, which is a lot of ...
Prototype700's user avatar
1 vote
0 answers
797 views

Is it safe to turn off kernel panic in Android?

So I'm using a custom kernel that overclocked my CPU and GPU. I turned down the frequency to stock but the big cpu freq can't be set(restore itself to default after some time), causing my phone to ...
Jtnqr's user avatar
  • 161
1 vote
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51 views

The powerprofile and systrace outputs are not consistent

I'm generating the PowerProflie file and the Systrace file to get the energy consumption of an Android Application, but I found that the number of cpu cores is different between the two files. I'm ...
Sarra's user avatar
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1 vote
0 answers
231 views

Phone overheats after powering on

I've seen this with plenty of smartphones,usually after 1-2 years of use.The phone overheats for a minute or 2 before cooling down,but it's performance doesn't differ from a non-overheating phone that ...
Alan Whitteaker's user avatar
1 vote
1 answer
344 views

Why doesn't BOINC use the CPU power fully on my Huawei P9 lite?

I installed BOINC on my Huawei P9 lite. model VNS-L31 build VNS-L31C432B414 Android 7.0 (stock) CPU Kirin 650 RAM 3 GiB I want the phone to run BOINC applications, when fully charged and connected ...
Ariser's user avatar
  • 515
1 vote
0 answers
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How to set CPU frequency as early as possible?

What I mean by this question is the sequence of execution of scripts at boot time. Suppose I have this line of script: echo 307000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq I want ...
wiki's user avatar
  • 465
1 vote
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2k views

How do I check if my phone has hardware video encoder?

I own a Samsung j7 2016 and I did some search about the CPU and looked for information tools but I've found codec info but not hardware video encoder info anywhere. If you know any app or adb command ...
Uğur Gümüşhan's user avatar
1 vote
0 answers
35 views

When activating DATA, all Apps wants to go online at the same time. any fix?

I like to deactivate my 4G Data or Wifi when I'm not using it. But whenever I activate Data (4G or Wifi), all the Cores of the CPU are being used at 100% and the phone becomes unusable for at least ...
DodoSpiegel's user avatar
1 vote
0 answers
581 views

CPU-Z shows all cores stopped

Is there anybody could help me explain this situation? By the way, something malicious I don't know (not cpu-z) cause battery drain whereas anti-virus software tells nothing.
金拍詠's user avatar
1 vote
0 answers
244 views

ARM big.LITTLE effectiveness in custom roms

In stock roms it's obvious that the manufacturer tries to make use of big.LITTLE technology as mush as it can (cluster managing, workload distribution etc.); I'm wandering what will happen to "these ...
wiki's user avatar
  • 465
1 vote
1 answer
606 views

Using phone's computing power to assist in PC's calculation

Is phone cluster or cluster with PC and phones possible? I was thinking if recoding MOSIX or using any other program/software to connect your phone with PC and let the PC use phone's computing power ...
maklike's user avatar
  • 11
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322 views

Which folder contains the temperature sensor output for the CPU in /sys/devices/virtual/thermal?

/sys/devices/virtual/thermal/thermal_zone0/temp shows 37°C (37000 millicelcius) no matter what the actual temperature is. The device is Moto G32, Android 12, not rooted. Using cat on Termux to view ...
Totaly engliz litrate's user avatar
0 votes
0 answers
736 views

How to detect cpu architecture and deliver correct apk?

There are a variety of CPU architectures that android systems use such as arm64-v8a, armeabi-v7a, armeabi, x86_64 and x86. Is there a way for adb or any other tool to detect the architecture of a ...
aritl69's user avatar
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0 answers
188 views

Rooted Pixel 6 CPU DVFS control without userspace governor

So I recently rooted my Pixel 6 (Android 13) using Magisk and tried to control the CPU frequency, but it did not have userspace CPU governor. I tried to set scaling_setspeed in /sys/devices/system/cpu/...
hscys's user avatar
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21 views

Is Android unit testing on a physical device actually a thing?

Firebase has physical devices for testing: https://firebase.google.com/docs/test-lab/android/available-testing-devices however it's a little expensive. I was wondering if testing things on a physical ...
Guerlando OCs's user avatar
0 votes
0 answers
508 views

getprop: abi vs abilist

I was reading this blog post on determining the supported ABIs for a phone. It said that, prior to Lollipop, the command is getprop ro.product.cpu.abi whereas, after Lollipop, it's getprop ro....
Daniel Walker's user avatar
0 votes
0 answers
215 views

Galaxy S8 has no option to show CPU usage

My Samsung Galaxy S8 (SM-G950F) is not showing the developer option to "Show CPU usage". I have turned the "Developer options" on, but scrolling down to "Monitoring" I ...
Edin Fifić's user avatar
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0 answers
44 views

SoC compute-resource usage monitor for single app

I need to understand the compute resource usage of a compute-intensive app; this includes the CPU (ideally including the core ID), GPU, DSP, AI Engine in the processor (for Quallcom chips). I have ...
kesari's user avatar
  • 151
0 votes
0 answers
128 views

How can I tweak my kernel to use all CPUs in my rooted device?

I have Huawei ALE-L21 alice (2015) Magisk-rooted Bootloader-Unlocked Xposed-Installed but it's somehow slower and I decided to tweak my CPU but here is what ES Kernel Manager shows: Also, I can't ...
Mohammed Mehdi TBER's user avatar
0 votes
0 answers
123 views

Help me with correct cpu / rom file

I buy a phone from Ebay, i flashed the phone with wrong rom's in Smart Phone Flash Tool. then i flashed the phone i check the Bootloader off. so i don't flash the preloader. I searched around and i ...
fredy4's user avatar
  • 11
0 votes
0 answers
173 views

How to find if the processor has hardfloat

My mobile got MSM8953, App, Droid info says: Instruction Sets: armeabi-v7a, aremeabi CPU Features: half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva idivt vfpd32 lpae evtstrm aes pmull sha1 ...
Gowtham's user avatar
0 votes
1 answer
1k views

How to turn off CPU cores on Samsung Galaxy A8?

I need to turn off CPU cores in order to make energy measurements of sets of cpu cores in isolation (meaning that I want to run an application on a set of cpu cores and turn off the cpu cores that are ...
Eduardo macedo's user avatar
0 votes
1 answer
158 views

Something eating CPU on Sony XPeria XZ, how to find out what it is?

I have two Sony Xperia XZ devices, bought both very recently in UK as used-with-warranty. One is working great, but the other (which has a 3 logo come up when booting) apparently has something using ...
Mikhail Ramendik's user avatar
0 votes
0 answers
3k views

Strange system app called Helper eating too much battery , data , CPU and freezing device

My phone usually work well until recently it turned out that battery gets really hot and camera Section that the phone starts popping that I should remove battery . when I look at battery usage I ...
Alain Giresse's user avatar
0 votes
2 answers
871 views

Performance troubles with Motorola Moto X Force (Android 7.0)

Since quite some time I am having some peculiar performance problems on my Motorola Moto X Force. Sometimes any interaction (like just opening Chrome for example) takes incredibly long until it ...
fritzmg's user avatar
  • 121
0 votes
0 answers
175 views

Change File Value in CPU Folder

i want to change value in sched_mc_power_savings file, using this code : #!/system/bin/sh mount -o remount,rw / mount -o remount,rw /system busybox echo "4" > /sys/device/system/cpu/...
user243084's user avatar
0 votes
0 answers
707 views

How To Check What Apps Is Eating My CPU

My device is so laggy so I downloaded CPU - Z to check my CPU and I see 50 - 70% CPU load I tried Cache deleting and RAM Cleaning but it's still using a lot of CPU Are there any Add-ons so I can ...
Polaroid's user avatar
  • 117
0 votes
0 answers
32 views

Lowest temperature that sensors can measure

So I've doing some work and phone wasn't in my pocket but in room where temperature was low (let's say about 3°C) I was curios what phones battery and cpu temperature sensors say and you see what they ...
Једноруки Крстивоје's user avatar