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

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1answer
36 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 ...
-1
votes
1answer
33 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 ...
3
votes
4answers
9k views

Strange cpuinfo, how many cores does these physical cpu has?

At the end of this post is my /proc/cpuinfo. I know the Physical cpu number is 2 grep 'physical id' /proc/cpuinfo|sort|uniq|wc -l 2 But how many cores does each cpu have? The 'cpu cores' shows ...
3
votes
2answers
76 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)?
1
vote
1answer
325 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 ...
3
votes
2answers
2k views

Why does my System Process use 50% of CPU time?

The System process running on my Windows 7 installation uses almost 50% of CPU arbitrarily. I monitor the process with Process Explorer from Sysinternals. Click the images to enlarge them... ...
0
votes
3answers
2k views

AcroRd32.exe Maxes Out Core

My CPU usage hit 100%. Process Explorer shows two instances of AcroRd32.exe. Each one is maxing out 1 core. But, there is no Adobe/Acrobat Reader window showing. I had closed the windows earlier. ...
0
votes
0answers
28 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 ...
0
votes
0answers
23 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 ...
4
votes
1answer
5k views

High CPU usage by dwm.exe when nothing is happening

Setup: Windows 7 Ultimate, running in a VMware box inside Windows 8, VMware Tools installed; VMware Workstation is the only application launched in win8). Aero is on. Starting a few months ago, on ...
3
votes
1answer
39 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 ...
3
votes
2answers
6k views

linux migration/N high cpu consumption

on my linux appliance based on 3.0.0-14 kernel I got: RPN:/tmp# ps axuf | grep migration root 6 92.9 0.0 0 0 ? S Apr23 2788:33 \_ [migration/0] root 7 99.7 0.0 ...
0
votes
1answer
210 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 ...
-1
votes
2answers
44 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 ...
1
vote
1answer
594 views

MayaBench (rendering) only using 25% CPU; Other software uses 100%

I have a Intel 2600K 3.4Ghz OC @ 4.8Ghz ASRock Z68 Extreme 4 Mobo 16GB 1600mhz DDR3 memory. When I run MayaBench for rendering, I get this wierd bumpy pattern. while other softwares (such as ...
0
votes
1answer
310 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 ...
1
vote
1answer
52 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 ...
0
votes
3answers
3k 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 ...
0
votes
1answer
62 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 ...
0
votes
0answers
23 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 ...
1
vote
1answer
123 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 ...
48
votes
4answers
34k views

What does load average mean in unix/linux?

If I run uptime, I get something like this: 10:50:30 up 366 days, 23:27, 1 user, load average: 1.27, 2.06, 1.54 What do those numbers on the end mean? The man page tells me it's "the load ...
1
vote
2answers
49 views

Load average and processor count

If I have a CPU with 8 cores, is it okay to have a consistent average load of 2.5? Or should it always remain below 1, irrespective of the number of processors / cores?
45
votes
12answers
55k views

How can I produce high CPU load on Windows?

For testing purposes I need to generate high CPU load on a Windows Server 2003. I cannot install any software but have to make do with what Windows provides. What would be the best way to achieve ...
0
votes
1answer
61 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 ...
1
vote
0answers
447 views

100 % CPU usage by HP Probook 4520s

I have a HP Probook 4520s with Windows 7 Ultimate, i5 Processor and 2 GB RAM. For the last couple of days, when I turn on my laptop, the CPU usage rises up to 100% and remains there for 10-15 ...
1
vote
2answers
1k views

MacBook Core 2 Duo CPU goes to 85-90 degrees Celsius

I was encoding some videos today on my MacBook and noticed the temperature goes to around 90 degrees with the fan spinning full speed. Should I be worried? Is this normal? I was going to leave my ...
0
votes
0answers
29 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, ...
0
votes
0answers
102 views

Firefox Consumes A Lot Of RAM After Security Update

All was okay before 3.6.18 but after security update it started eating a lot of RAM and spiking frequent high CPU usage. Here are screenshots: Currently have running Internet Explorer 8.0, Chrome ...
2
votes
1answer
7k 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. ...
0
votes
0answers
27 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 ...
5
votes
2answers
627 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 ...
2
votes
1answer
97 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 ...
3
votes
1answer
2k 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 ...
0
votes
1answer
360 views

CPU frequency is very low and system is very slow too in core i5 vaio laptop

Sometimes I notice that system is very slow and when I see task manager, these are information in performance tab: Utilization: 8% Speed: 0.2 Ghz Maxsimum speed: 2.5 GHz Hardware details are: ...
3
votes
2answers
3k views

IPHLPSVC High CPU in Windows 8 x64

I was experiencing consistent high CPU usage in Windows 8 Pro x64. The cause was svchost running at a constant 25% CPU, even at idle. I checked the services that the svchost was running, and toggled ...
0
votes
0answers
42 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. ...
0
votes
1answer
49 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?
55
votes
6answers
28k views

Determine which tab in Firefox is using CPU resources?

Is there anything in the current Firefox 3.x similar to shift-esc in Google Chrome? There is something that occasionally takes up enough CPU to make Firefox unresponsive - but with multiple windows, ...
3
votes
3answers
8k views

QuickLookSatellite MAC OS, High CPU Use

I have consistently been having a problem with my computer overheating due to the process QuickLookSatellite-general using 100+ CPU use. (Please see images attached.) On googling I found this ...
1
vote
1answer
195 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, ...
6
votes
1answer
443 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 ...
1
vote
1answer
53 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 ...
1
vote
5answers
7k views

How I can force Firefox to use all of CPU capacity?

Some programs like Firefox only use up to maximum 25% of all CPU (only 1 thread). However some programs like WinRAR, use up to 100% of all CPU. How can I force Firefox to use all capacity of CPU ...
0
votes
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 ...
0
votes
0answers
69 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
votes
3answers
20k views

Windows 7 CPU usage high for Explorer.exe and DWM.exe

I'm using Windows 7 Ultimate. I get a problem with two processes: explorer.exe and sometimes dwm.exe. The two processes tend to have a CPU usage between 20-30%. It only occurs when I play games on my ...
-2
votes
1answer
116 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?
1
vote
1answer
130 views

How is CPU time measured on Windows?

I am currently creating a program which identifies processes which are hung/out-of-control, and using an entire CPU core. The program then terminates them, so the CPU usage can be kept under control. ...
0
votes
1answer
45 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 ...