Questions tagged [cpu]

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22
votes
3answers
17k 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
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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
174 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
240 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
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3answers
3k 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
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6answers
6k views

CPU-Z in Samsung J7, 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 ...
1
vote
2answers
516 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
1answer
83 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
177 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
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0answers
860 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
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0answers
34 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
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0answers
424 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
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0answers
195 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
176 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
25 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
492 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
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2answers
76 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
414 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
18 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
1answer
29 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
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0answers
14 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
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0answers
26 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
14 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
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0answers
40 views

How to automatically cool down overheating CPUs on Android device?

The mobile phone hardware has 1 GB & sometimes 2 GB or more of memory RAM cache & it needs to be cleaned every 2 minutes so that the software app &/or mobile game always has unlimited GB ...
0
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0answers
26 views

How to prevent brief audio cut-outs when using sleep aid apps

When attempting to use an app like Relaxio or Sleepo to drown out background noises when sleeping, I am frequently awoken by the sound cutting out for a fraction of a second. This occurs roughly ...
0
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0answers
44 views

200% cpu usage by unknown process “acsd”

I have a redmi note 6 pro, and have been noticing a cpu drain after installing custom roms. This issue persisted from Resurrection Remix to crdroid, and eventually I found the culprit through adb ...
0
votes
1answer
63 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
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0answers
2k 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
766 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
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0answers
71 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
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0answers
510 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
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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 ...