CPU usage indicate how much of a workload is being handled by the CPU.

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Maximize CPU core usage on VPS

I have a server at OVH with 32 cores. All the cores are not fully utilized. Is there any way I can distribute CPU load on all the cores so that my system doesn't send me false alerts? Sometimes it ...
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1answer
44 views

Service host with 4 children eats up to 20% of CPU; what does it doing?

I found, that Service host is eating too many CPU resources: How to know, what does it doing? procexp64.exe shows even less information (no child process list). Shutting down this process causes ...
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0answers
112 views

Cannot write to text file from python

I have a program in python, which takes data's from system and puts them to the text file line by line. Everything works properly when I run it from terminal using: python myprogram.py Every-time I ...
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1answer
3k views

SVCHOST.EXE (LocalSystemNetworkRestricted) is using almost 100% disk usage?

I'm not running any other program, only Task Manager and Resource Monitor. It made my machine heavily non-responsive, even cursor sometimes jumps here and there and it's not accepting any keyboard ...
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0answers
289 views

Task manager inaccurately claims 100% cpu usage, high kernel time

Windows 10 x64 intel system. I've got a strange problem that, best I can tell, seems to be Task Manager balantly lying about CPU usage. Since today it will claim 100% CPU usage (128% in resource ...
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0answers
103 views

Why is my CPU only running at 47% of maximum frequency?

I cannot understand why my CPU is operating slowly. I’m using HWMonitor, CPU-Z, and Windows Resource Monitor. The ambient temperature is cool, I’m not running any particular intensive tasks. The CPU ...
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1answer
420 views

CPU usage over 100% (Resource Monitor says 61325297%) after upgrading to Windows 10

Some time ago I posted this question about a problem I found in my PC since I updated my Windows 7 to Windows 10 Pro x64, namely that my Task Manager was constantly showing 100% usage of my CPU even ...
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1answer
564 views

Google chrome consumes 100% CPU for nearly a minute

I have disabled hardware acceleration in my chrome://settings. I have also visited chrome://flags and disabled every one of the flags listed in this post. I restarted the system (and not just the ...
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1answer
276 views

In Prime95, why do small FFTs generate the most heat, despite CPU at 100% for all options?

I've just built a new Skylake PC, and I'm going to see about a bit of overclocking with Prime95 as a stress tester. It works fine in normal use, but with Prime95 I'm noticing a bit of CPU throttling ...
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2answers
73 views

Unrecognised Executable taking 100% CPU

I'm fairly often getting an executable called NMC.exe taking 100% CPU on my Windows 8 (now 10) Laptop. NMC is the name of my System, I'm not sure if the naming is coincidental or if it is malicious ...
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3answers
3k views

Chrome 100% CPU usage, again - software_reporter_tool.exe

software_reporter_tool.exe belonging to Chrome running at 100% cpu, fan full speed. Deleting it doesn't fix anything, because it gets redownloaded again! Disabling "Protect me from bla bla" doesn't ...
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1answer
150 views

Windows.Storage.Search.dll high CPU usage

I am observing this behavior from several days, when I use my PC after sometime of inactivity, Runtime Broker start using high CPU usage. When I check it using process explorer, there are two threads ...
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4answers
12k views

Windows 10 “busy processing” blue circle mouse pointer constantly spinning

I have Win10 on a Toshiba Satellite laptop. The "busy" blue circle mouse pointer is constantly on. I had been using Win10 without this issue for months. It only appeared after I did a restore from ...
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0answers
61 views

my pc does not use more than 33 percentage of memory and cpu [closed]

I have installed windows 10. and my system has 6 gb RAM ,2 GB nvida vga ,i5 2.4 ghz processor. it is toshiba L755. My pc does not use more than 33 percentage of memory and cpu. Edit I have recently ...
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0answers
59 views

Wordpress + MariaDB installation becoming unstable [closed]

I have a wordpress installation on a CentOS machine using MariaDB as database server. This MariaDB is installed in another linux machine. Wordpress runs alone within httpd. About 7 days ago the ...
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1answer
27 views

Why does lower latency of audio devices translate to higher CPU consumption?

I'm wondering what the relation is between operating an audio device at a lower latency and it using more CPU power. Can you explain it to me?
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3answers
892 views

Windows 10 keeps showing 100% of CPU usage no matter what

I'm having a curious issue in my Windows 10 Pro 64: the task manager keeps telling I'm using 100% of CPU no mather what: it's just there, fixed, doens't matter which are the consumptions of the listed ...
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1answer
655 views

Does a CPU clock frequency vary on-demand?

On my machine (not a personal computer), I have 24 cores (2.4GHz) and I currently don't have any important process running. Right now, are all of my 24 cores running/vibrating at 2.4GHz or are some of ...
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1answer
869 views

kernel_task cpu usage 300% plus long press power button to start Mac Air

I'm having Mac Air 13inch 2014 having 4 gb memory and 120 gb Hard disk , from the few days i have been facing a problem that kernel_task is taking 300% of my cpu and my mac is running very slow and ...
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1answer
70 views

OneDrive Sync and High Resource Usage

Lately the OneDrive sync on my Windows 8.1 machine has been running away with the CPU. It doesn't noticeably affect system performance, but it's running hot enough that the fan is always on high. ...
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2answers
141 views

Disk size varies - MooseFs

I have 4 moosefs chunkservers with 8 2.7 TB storage on each, I mount them using mfsmount and then export with nfs. Recently I noticed high iowait on my chunkservers, then huge mount size drops, see ...
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0answers
41 views

What particular actions/request caused spikes on the CPU?

While running a load test using Visual Studio 2013, I’ve noticed some spikes in the CPU due to SQL Server Windows NT on the DB machine and IIS Worker Process on the web server. Both processes used ...
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2answers
198 views

Windows 7, left alone for 5 mins and system pushes cpu to 20% until i press a key or move mouse

I have scanned with avast a few times for virus's but nothing has been found, however.. every time i leave my computer for about 5 minutes the process labelled 'system' which is the 'ntoskrnl.exe' ...
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1answer
33 views

What's the right choice to run a cooler Cpu (quiter laptop)?

Assuming that on the same laptop with an intel "i-series" processor I could have exactly the same workload, in order to achieve the lowest cpu temperatures it would be better: Higher CPU clock ...
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3answers
5k views

Windows 10 Runtime Broker CPU usage

I have installed Windows 10 and now it is using around 10-15 % of my CPU by a process called Runtime Broker. What I can see is that a process called "From Microsoft Background Task" is being created ...
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0answers
362 views

Windows 10 apps and CPU usage

I upgraded from Windows 8.1 to Windows 10, and the apps executable files are lining up in my CPU and causing a lot of lag. I keep having to close down my computer and restart it to clear things, and ...
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1answer
401 views

svchost causes high cpu usage

Svchost.exe in my Windows 7(x64, Ultimate) PC causes high CPU usage sometimes. The CPU stays at about 65%. The services which are being run by this instance of svchost are FDResPub, SSDPSRV and ...
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2answers
398 views

How do I stop the RuntimeBroker exe from using excessive amounts of CPU?

Just upgraded to Windows 10 and my machine is running a lot of CPU!, and this is on an i7 Checked Task Manager and the first culprit looks to be the RuntimeBroker.exe Is there anyway to get this ...
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1answer
215 views

What is CPU utilization and how is it calculated, how does OS scheduling work?

I studied x86_64 assembly language, somewhere in my studies I learned that the CPU cannot stop doing stuff, it must constantly run/execute something. Question 1) I am wondering then, how come there ...
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0answers
403 views

Windows 10 RTM (10240 or higher) idle high CPU Usage at 20% - 22% with Bootcamp MBP

I Just upgraded to Windows 10 10240 as an insider tester finding that this upgrade keeps my CPU Usage at 20%-22 range. I also made a clean install from latest ISO and the problem persist. Is ...
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1answer
120 views

Disk intermittently goes to 100% actviity - system pauses [duplicate]

Windows 8.1 system. Sometimes the disk suddenly go 100% highest active time for 1 or 2 seconds, and at the same time CPU usage goes down. During these period, screen processing does not work any ...
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0answers
1k views

Some processes high CPU usage in Windows 10

I installed Windows 10 and all the driver (BIOS included) from Dell site; luckily my laptop is Windows 10 compatible. 2 processes use a little too CPU, I'm talking about "System" and "Windows desktop ...
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1answer
300 views

Why does my CPU have random 100% usage peaks?

I need your help. It's been since a couple of weeks by now that my cpu reaches peaks of 100% usage on tasks that, before, never needed this much work. And it is pretty annoying, seeing that when the ...
29
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4answers
82k views

Windows Update doesn't work and consumes 100% of CPU (Win7 SP1) [duplicate]

I've observed a strange behaviour with Windows Update (Win7 SP1). The process svchost is consuming an entire core of my Virtual Machine (VirtualBox) doing nothing (i.e., there is no network traffic ...
0
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0answers
42 views

My Single-Threaded CPU-Overloading apps use a percent of a thread, graphs shows different results

I made very simple C++ app that contains an empty while(true); loop, I tried with both optimized (-O2) and without optimization, both gave the same result in Task Manager, I even tried same Java and ...
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0answers
152 views

New Windows 8.1 laptop is at 100% CPU running multiple installers

My business partner's new Dell laptop is racing at 90-100% CPU and 95-100% disk. This happened after he installed the latest updates. There are multiple command prompts running - but are not visible. ...
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0answers
17 views

Linux, assign CPUs to processes

I have a process which i'd rather want to run it in real-time, but instead of using a real-time OS or running a real-time linux core (which is bad with internet speed as i found - maybe i am wrong), ...
2
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2answers
243 views

Windows 7 running slowly despite having lots of CPU and memory free

This is my computer spec Intel i7 2500k @ 3.4ghz, Win7 64bit 16gb of ram Radeon HD 6800 My computer is starting to run progressively slower for example when switching between programs ie excel to ...
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0answers
36 views

Purpose of Omnidaemon?

I have ubuntu 12.04 running(as prime OS) with installed Windows and RedHat in VM, there is Omnidaemon process(in Ubuntu 'system monitor') with multiple instances and it is using almost 95% of the CPU ...
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1answer
1k views

How to terminate System Idle Process?

Every time i start my windows 7, the CPU gets very high, up to 60% and i haven't opened nothing yet. I opened task manager and saw what process where using the most. In the CPU usage and i found that ...
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1answer
37 views

Safety with CPU amount on Windows 8.1

I am trying to completely max out a Lenovo Edge 15 with an Intel(R) Core i7-4510U CPU with 8 gb of RAM( 16gb coming in the mail, also the max. It also has a Samsung evo 840 256 gb SSD. My concern is ...
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2answers
2k views

Which graphical settings impact CPU usage?

When running a game on a CPU-bottlenecked PC, which graphics settings should be decreased to improve performance? In other words, which settings usually have impact on CPU usage (rather than GPU)?
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69 views

How can I tell if antivirus is causing performance issues for CPU intensive tasks on a machine?

My company publishes simulation software that regularly performs prolonged CPU (and GPU, and occasionally I/O) intensive tasks. Our userbase are engineers, of whom some are embedded in large ...
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0answers
48 views

How to limit the CPU usage of one web hosting in Apache

I know that the application pool of IIS can limit the CPU usage of a website,how to limit the CPU usage of one web hosting in Apache,I tried cpulimit,it only limits the CPU usage of one process which ...
3
votes
1answer
41 views

System time moving slower by high CPU usage

My computer used to have no problems staying at high CPU usage, until a few days ago, which I noticed that this would make the system time move slower. There is around 15 to 30 minute lag for each ...
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2answers
624 views

Stop Synergy using 25% CPU

I just upgraded to Synergy 1.7.3 and now my Windows PC is stuck at 25% CPU usage permanently! It's caused by synergyd.exe. I can end-task on it without any problems (doesn't stop Synergy from ...
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2answers
66 views

Lag on Windows 7 whenever typing [closed]

Whenever I type in windows 7 my cpu usage increases dramatically and my words "cant keep up". I have tried using another keyboard and using ccleaner however none of this works. I don't think this is ...
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1answer
212 views

How to view total CPU and memory usage of per system user in Linux

I know the top command to see the process of CPU and memory usage, but some users of the system can generate a lot of processes, if I wanna know total CPU and memory usage of an user,I must count it ...
3
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1answer
4k views

ntoskrnl.exe!_misaligned_access eats a lot of CPU when idle

Please advise what might be causing the unnecessary cpu use described below. Symptoms: When the computer is left idle, a system process starts to eat about 30% of the CPU. If any key is pressed or ...
0
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1answer
776 views

Force ffmpeg to use 100% of CPU

I'm using ffmpeg to extract frames from video, but the process is so slow. Looking at CPU usage I see that ffmpeg use only 50% of my CPU. I've tried also to add -threads 4, but it seems it doesn't ...