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

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34 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 ...
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0answers
19 views

System getting slow on Windows 8 running Eclipse [on hold]

I'm using Windows 8. If I start Eclipse, system gets slow. The disk, CPU and memory go to 100% usage. I have uninstalled many apps from my system. My C: drive's free space is 26GB out of 50GB. I am ...
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1answer
83 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 ...
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1answer
45 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 ...
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0answers
13 views

Excessive cpu usage of process : Intel(R) Dynamic Platform and Thermal Framework Utility Application

I bought a new pc (a notebook) but now I have a problem, there is installated a program called "Intel(R) Dynamic Platform and Thermal Framework Utility Application". It often uses the 20/30 % of my ...
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1answer
64 views

Windows 7 - High CPU usage during idle time [duplicate]

I just noticed when I'm away from my laptop running Windows 7 Ultimate 32-bit, after a while CPU fan starts high speed working, but anytime I return back to PC with first input by mouse/keyboard the ...
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0answers
21 views

CPU Node allocation

In windows server how can I force all applications used by a User to run on a specific CPU node? I know that I can set the affinity of each task so that it only uses specific cores and nodes, but I ...
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1answer
58 views

Cpu usage Oscillation

I run simulations on a public computation server. Due to the nature of the simulation its CPU usage oscillates in a wide range (0-60%). Does this affect the speed of other people's work. The overall ...
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22 views

What is the proper CPU usage of a process on LInux i.MX6?

I am currently developing an application running on Linux 3.10, for a Freescale i.MX6S (single core). Currently, "top" reports this: top - 03:07:35 up 1:58, 3 users, load average: 0.85, 1.10, ...
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23 views

Can I raise the CPU usage of a application on Ubuntu?

I'm using GNU/Octave a lot, and sometimes I want to leave my computer alone doing some calculations while I'm working with something else (somewhere else). Using the system monitor, I see that Octave ...
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0answers
40 views

Strange CPU Usage History

My CPU history graph on the task manager is acting strangely. The fan also seems to be "revving". Here is an image of what is happening. This is my laptop and the processor is Intel core i5. ...
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1answer
41 views

How to get the CPU graphics usage?

My CPU also provides graphics processing for my system. It's easy to know the CPU's core usage separately by using a utility such as top (etc.), but how to get the CPU's graphics usage?
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264 views

Windows 8.1 and Android Lollipop USB Tethering strange behavior

I have a problem under Windows 8.1 when I try to use internet through an Android USB Tethering... I have a nexus 5 and when I enabled the USB Tethering, it works fine (I can navigate and use ...
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1answer
72 views

nusb3xhc.sys high CPU usage

Lately, I've been observing that my CPU often have higher load than it should. After digging, I found a very weird and specific problem. The facts : I have a Vaio Z21 (VPCZ21C5E - Core i7 - Win7 ...
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1answer
157 views

High CPU core usage from System Interrupts [duplicate]

The CPU usage on my AMD Phenom II X4 820 hasn't gone below 25% in days, and I realized that it’s because my 4th core is constantly at 100% load. I have spent quite a while trying to figure out why, ...
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1answer
43 views

Linux: Get CPU usage over past n minutes

I want a script to tell me the average CPU usage over the past 5 minutes (and repeat every 5 minutes, likely as a cron job). /proc/stat just has counters since system start, and I want to avoid ...
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0answers
9 views

Variable sleep mode depending on cpu and/or network usage [duplicate]

Some applications on my Windows 7 PC support "shutdown on success". This is nice, but many won't have it. And I can't find a tool that controls multiple applications. My plan: Filezilla is Uploading ...
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0answers
58 views

High CPU in Windows 8.1 but can't access Windows backup as per previous answers

Since unfortunately needing to purchase a laptop while WIndows 8.1 is the norm, I've been plagued with problems of high CPU. After a month of use, I inadvertently logged into the Windows Store and ...
6
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1answer
391 views

Chrome uses 100% cpu on youtube after update

Chrome 40 is using 100% cpu when playing youtube videos full screen My CPU is core i5 @ 2ghz with intel 4400 gfx card. it should be able to play them and I dont remember having this issue b4 Chrome ...
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1answer
84 views

What causes System Idle Process to run down my CPU so much [duplicate]

I noticed my laptop was being a bit unresponsive so I checked the processes tab and found that System Idle Process is using nearly all of my CPU power. Why is this happening and how do I stop it?
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1answer
44 views

Why the number of CPU's so Large

I was installing Android studio and just so that I could delete the process I had my Task manager open and Saw that the CPU number was reaching 40 somethimes. How is this done, are multiple CPU ...
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1answer
28 views

Native command to get cpu usage by core

Is there any simple way to get CPU usage of each core in Debian in command line? I need it to be able to output current usage into stdout, not like htop (ain't even native!), that does not have ...
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2answers
153 views

How to stop windows explorer from taking up 70 percent of CPU?

So when I start up my computer, (windows 7), I always run task manager to kill any buggy programs if they occur. About a week ago, when I did so, I noticed that Explorer.exe was taking up 70 percent ...
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2answers
341 views

Running Ubuntu in VirtualBox under Windows 8.1 doesn't use CPU on 100%

I am running Ubuntu 14.10 64 bit under Windows 8.1 64 bit using VirtualBox 4.3.10. I have an Intel Core i5-2410M CPU, with 2 physical cores and enabled HyperThreading and virtualization. I have set ...
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0answers
103 views

“System” process high cpu usage

I've been noticing the cpu usage go up, back down for a couple minutes, and then go up again, and vice-versa... Not constant but it happened several times. (almost always up to 23% cpu constant when ...
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1answer
235 views

Why is the CPU frequency always very high on my system?

I have a Windows 7 Pro x64 system used as a home server. Hardware: Core i5, 4670K (3.4 GHz) on an ASRock Z87E-ITX with the latest UEFI firmware. I've discovered today that the CPU frequency is too ...
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0answers
373 views

Macbook Pro very slow despite normal memory and CPU usage

My MBP (OS X Mavericks) with 4G RAM has been slow ever since I bought it last year, but now it's getting ridiculous with the loading symbol showing up each time I open a new tab in Chrome or even ...
2
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1answer
5k views

Windows Processes Utilizing Too Much of the CPU

I have a 4yr old Dell Vostro 1540 laptop with an i3 M380 and 4GB RAM. I only perform light tasks e.g. web browsing, document reading & editing, light Photoshop...,thus I don't need a newer laptop. ...
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1answer
57 views

mpstat user % is not accurate?

mpstat 1 11:01:57 AM CPU %usr %nice %sys %iowait %irq %soft %steal %guest %idle 11:01:58 AM all 36.03 61.95 2.03 0.00 0.00 0.00 0.00 0.00 0.00 11:01:59 AM ...
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3answers
2k views

Google chrome opening to black screen Windows 8.1

Using google chrome version 41, downloaded it yesterday. Now when I click the icon in the task bar it opens to a black screen. Moving the cursor to the top I get a line that shows a red X and allows ...
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3answers
401 views

Why does reducing CPU frequency improve battery life?

Shouldn't we have roughly the same battery life regardless of the frequency since the higher the frequency is, the faster tasks will complete so in the end the CPU, despite running at a higher ...
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0answers
88 views

Does running CPU intensive tasks wear down my computer?

I do a lot of statistical analysis in R (which uses a lot of CPU and RAM). Whenever I run my analysis, my laptop's fan runs at top speed. Monitoring tool shows that 1 of my cores runs at 100%, the ...
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303 views

Very high CPU usage on Linux server

I have the following server: Ubuntu 14 LTS 64 bit Linode Hosting fail2ban enabled firewall enabled SSH root login diabled and only key access to server. Problem: When I run htop, it shows high ...
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61 views

how do i make pppoe use less cpu ?

The new ISP i switched to uses pppoe. So on my old linux (centos 6) router i decited to install a pppoe client and configure as necessary. I say old because it's a pentium III 850 mhz with 128 MB ram ...
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0answers
84 views

Init process consuming more than 200 percent cpu

The init process is consuming more than 200 percent of the CPU time on my vServer, which is running Debian 7. Also, my SSH connection becomes very unresponsive after a while. USER PID %CPU %MEM ...
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0answers
173 views

High CPU usage when using AMD GPU instead of Intel HD Graphics

I have a strange problem with my CPU (Core i5-4690k), when I'm using my AMD GPU (HD-7870 XFX). Even in games with pretty low system requirements (Counterstrike Global Offensive on the lowest possible ...
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25 views

Virtual Domain Cpu Time limit

I'm running Munin on Ubuntu 14.04 to monitor my virtual machines (running KVM, libvirt). I often get a notification that CPU usage on my base system is 'critical': mydomain :: Virtual Domain Cpu Time ...
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57 views

How to measure CPU cores usage for a single process?

Is there a way to see which and how many cores are used by single process on Windows server 2008 R2? I have tried Windows task manager and Process explorer but without any success.
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1answer
45 views

How much time does top command consider while finding CPU usage percentage? [duplicate]

Top gives me an output like: %Cpu(s): 4.7 us, 1.3 sy, 0.0 ni, 93.9 id, 0.1 wa, 0.0 hi, 0.0 si, 0.0 st if my CPU has spent 4.7% of its time on user processes, how much of time history has it ...
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2answers
464 views

99% CPU on Win8.1, Can't find offending process

For the last several weeks my laptop is running at 99% CPU, and have been unable to find the offending process. Task manager shows 99%, with no one process using all the CPU, it cycles between ...
0
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1answer
99 views

How to make sure windows 8 uses all computing power for only 1 process?

If I render an image in windows 8 commandline for example with blender/cycles my machine sometimes has a low cpu usage. The render task starts with 100% cpu usage, fall down after 2-4 hours to 25%, ...
91
votes
9answers
20k views

Can a 7 days full 100% CPU load “burn-in” / “stress test” damage a modern notebook? [duplicate]

When I buy new computers, I usually do a "burn-in" with 100% CPU load for, say, seven days, in a well ventilated place. This is to find out if the computer has problems before I invest time into ...
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0answers
21 views

How does collectl summarize its numbers?

I'm analyzing the processor usage of a system over the course of 24 hours. I have collectl set to record sysT and usrT every five seconds, but for some long-running processes this results in thousands ...
2
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1answer
31 views

Weird Behaviour of my PC

I have windows 7 installed in my PC. Suddenly, the CPU Performance has reached above 70% with no task running where as when I run any application(such as Explorer.exe) the CPU usage reaches to 100%. ...
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votes
1answer
295 views

At what point will two CPU processes interfere with each other?

I'm running multiple processes on my CPU simultaneously, and now I am trying to find out how much CPU power each of them can use until they start disturbing each other: For simplicity's sake let's ...
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65 views

Dual core CPUs stall with Docker on Ubuntu Linux

I have seen performance degradation after half an hour to one hour with machines running Celery (Django/Python), or Storm under Docker containers with Ubuntu base on Dual-core CPUs on AWS. I see ...
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0answers
22 views

CPU Utilisation Snapshot report

I want to write a script to monitor CPU Utilisation, and upon the utilisation going above a threshold, create a brief text report on the router. I'm trying to get the the bottom of why some of our ...
0
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1answer
43 views

Ram and CPU bar like Ubutuntu 10 for Windows

Anyone knows these little graphs wich shows the load of the Ram and any single core. I love these because they are so smart! Gadgets are cool but not very smart because I have to switch to the Desktop ...
3
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1answer
1k views

Task Manager shows higher total CPU usage than the sum of all running processes. Hidden process?

In Windows Task Manager and AVG Task Manager (included in TuneUp Utilities), I see that the sum of all the running processes is much lower than the total CPU usage shown in "performance" tab. Does ...
2
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1answer
76 views

Loading CPU in Linux for performance testing

I need a exe which I can run in my Linux machine which can load the CPU to a mentioned percentage. For Example if I run the exe with 50 as command line argument then my CPU should be loaded for 50 ...