Questions tagged [cpu]

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

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29
votes
3answers
27k views

What Percentage of Android Devices Runs on x86 Architecture?

This question might be redundant or a possible duplicate but I am using an NDK library that runs only on ARM devices. Is there a way I could know what percentage of Android devices can my app support ...
4
votes
0answers
6k views

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 ...
4
votes
1answer
373 views

Number of available cores

To find the number of cores available to you in Termux you run: grep Cpus_allowed /proc/self/status This number of cores is limited in a similar way to running taskset on GNU/Linux. I am trying to ...
3
votes
0answers
369 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 ...
2
votes
6answers
8k views

CPU-Z shows 8 cores, but 4 of them are stopped

I am using CPU-Z to test basic things about the J7. It reports an Exynos Octa 7580, 8 cores, 8x ARM Cortex-A53 @ 1.5GHz, r0p3, 28 nm. At all times that I checked, only cores 0-3 are active, and cores ...
2
votes
3answers
4k views

How can I find if I have a rogue background process killing cpu and battery?

On my Android phone (Sony Xperia Z3 Compact), I have a situation where it sometimes goes very sluggish, and the battery drains quickly. This seems to happen after roughly once a day, and lasts until ...
1
vote
2answers
795 views

Overheating device with random apps spiking CPU usage

Few days ago my phone has started overheating and burning through the battery like crazy. I don't use it too much, and it used to last 1.5-2 days, now it's dead in 6 hours. I've installed System ...
1
vote
0answers
26 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 ...
1
vote
1answer
149 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 ...
1
vote
0answers
262 views

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 ...
1
vote
0answers
1k 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 ...
1
vote
0answers
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 ...
1
vote
0answers
453 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.
1
vote
0answers
203 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 ...
1
vote
1answer
264 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 ...
0
votes
1answer
44 views

What's the point of pseudo-big.LITTLE CPU in Nokia 7 plus?

As far as I understand: CPUs can change their frequencies relatively quickly, which can be used for performance-power tradeoff based on load and priorities. big.LITTLE goes further – you can switch ...
0
votes
1answer
913 views

Android CPU usage: What do the red, green and purple bars and the numbers mean?

The Internet as a truckload of myths about this. Today, it is time to bust the myths. When the CPU usage bars that can be enabled in the developer options are being displayed, there is a list of ...
0
votes
1answer
40 views

Uber Driver app using too much resources

So, I'm working a bit as a bicycle courier for Uber Eats. For this, I have to use their app Uber Driver. Problem is, my phone battery (which still holds charge well) is draining very, very fast when ...
0
votes
2answers
200 views

Is it possible to estimate the ideal number of CPU cores for Android phones?

I'm thinking that with the way we typically use Android phones, run a single app at a time, fewer faster CPU cores are better than many smaller (slower) cores. Does Android really benefit that much ...
0
votes
1answer
485 views

Force CPU full with display black

i have a galaxy core duos and minergate instaled for test, however, my H/s in on display stay in 7 and in off stay in 0,5, i instaled overclock app however did not work. how to force CPU full speedy ...
0
votes
1answer
2k views

100% CPU load, battery drain with no app minimized/running in the background

I have a Xiaomi Redmi Note 4 S625 global variant (4/64GB). Like a day or so ago, I noticed a quick battery drain (from 100 to 24% after a whole night idle and 2 - 3 hours of heavy use the next day) ...
0
votes
0answers
26 views

All CPU cores have identical usage

I have Xiaomi Mi A2 lite, which was originally running Android 9 by manufacturer, not MIUI and other utilities. Now it's running Android 10 after an upgrade. I'm tired by that applications are often ...
0
votes
0answers
21 views

Suspicious behaviour of Android Tor Browser

I'm using the Android Tor Browser 68.5.0 on my Samsung A40 running Android 9.0 (no root) and I've been observing some extremely strange behaviour: My data plan only allows 2 GB per month. Since I ...
0
votes
0answers
11 views

How to enable all CPUs in a Huawei phone? [duplicate]

Besides the problem that my internal storage is being reduced to an abnormal value than what is written in my phone specifications. My phone reacts too slow is it because of those stopped CPUs?
0
votes
0answers
85 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 ...
0
votes
0answers
20 views

Recently booted up an old Galaxy S5 and it's tripping balls

as I'm getting more into programming & electronics, I want to mess around with a non-valuable android. I dug out my old Galaxy S5, charged it to 100%, and turned it on only to find that the home ...
0
votes
0answers
124 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 ...
0
votes
1answer
291 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 ...
0
votes
0answers
25 views

is it possible to run an android application on one cpu core?

Is it possible to force android (root phone) to use only one core of CPU for running a application? I searched a lot but I didn't find anything related.
0
votes
0answers
31 views

How do I get a new IP for my smartphone oukitel c13 pro

I'm using Oukitel C13 Pro, Cpu is quad-core and 2gb RAM with 16gb ROM. I'm trying to install plotagon on my device but it's not working, and I've also updated the plotagon still it's not working. what ...
0
votes
0answers
17 views

Why does go_hispeedfrequency gets to 1.4Ghz even when I set to 648 mhz?

Using ElementalX kernel manager,stock android 8.1 and on ElementalX kernel.In interactive governor option,to save power I put the settings but it changes and also boost becomes 1 from 0 every time.
0
votes
1answer
96 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 ...
0
votes
0answers
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 ...
0
votes
1answer
824 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 ...
0
votes
0answers
89 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/...
0
votes
0answers
591 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 ...
0
votes
0answers
20 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 ...