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

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1answer
9 views

Does a multicore cpu running Windows 10 64 bit speed up 32 bit programs?

If Windows 10 uses multiple core cpu efficiently, will a 32 bit program work better because of the multiple core, or does the program have to be specially coded to utilize them?
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3answers
3k views

CPU usage 99% constantly

My computer is running windows 8, and suddenly started running slowly. When I open the task manager, it tells me that the CPU is using 99% - sometimes the disk usages jumps up as well. The strange ...
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2answers
339 views

Windows 10 Unistack Service Group hogging CPU to 40% or more

CPU is in high load, consuming battery and with the fan always on. Examining Task Manager, I can see the Unistack Service Group taking 40%-45% of load. Specs of machine: Windows 10 Pro 64 bits on ...
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2answers
216 views

Cannot get rid of Win 10 'system and compressed memory' high CPU, any suggestion?

first post here, I have read all what I was able to find (and not only here) on the topic but nothing solved my case up to now, I have something like 30 years experience with PC building/servicing ...
53
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13answers
72k 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 ...
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2answers
114 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
150 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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2answers
6k 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 ...
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2answers
7k 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 ...
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1answer
32 views

Why is my computer is very slow and CPU hovers around 95%?

A bunch of different programs are taking up CPU. However, those are programs that's not even active. They're not supposed to take that much CPU. It's as if the CPU got downgraded or something. What ...
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4answers
6k 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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12answers
118k views

How do I troubleshoot high 'svchost.exe' usage in Windows 7?

I'm having a problem with Windows 7 64-bit. I thought it was slow and all, but then I saw that the CPU usage was always around 80% and started searching for a solution. There are two svchost.exe's ...
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3answers
3k 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... ...
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1answer
79 views

ESXi 6.0 U1 + Solaris 11.0 VM = host CPU high (slowly climbing) but VM idle

I have ESXi 6.0 Update 1 (Build 3029758) installed on brand new hardware (Atom C2750, 16GB RAM). VM is Solaris 11.0 with 1 vCPU and 4GB RAM. Solaris was installed from sol-11-1111-text-x86.iso ...
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votes
2answers
7k views

What is the cause of a high CPU usage of 'system and compressed memory' in Windows 10?

There is an observation to be made for Windows 10 on my laptop running with 24G memory available, and 2.5G used. There is no 'memory pressure'. Other questions have looked at memory consumption ...
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0answers
8 views

Connecting to ProFTPd causes high load in polkitd and accounts-daemon

I installed ProFTPd and it is working fine, but when I connect to it from another machine, both polkitd and accounts-daemon jump to 100% CPU usage. How can I prevent that, or even find out what it ...
6
votes
2answers
9k views

System (ACPI.sys) is always using about 15-20% of my CPU

I have a 13" Sony Vaio laptop (model SVS13A1C5E) and I upgraded it to Windows 8 with a fresh install, after upgrading I installed Win8 drivers listed here. Now I have a problem with the CPU usage (it ...
6
votes
3answers
18k views

Why won't Windows use the other CPU cores?

In Windows Task Manager the Performance tab shows the first CPU maxed out, the other 7 just idling along with the occasional spike. What gives? More info: I've got 8GB and only 4.5GB are being used. ...
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6answers
44k views

Is a CPU fan speed of 3590 RPMs normal?

Ant pointed me to SpeedFan in this stackoverflow question. I downloaded SpeedFan and it reports that my CPU temperature peaks at about 73C which seems to be normal according to this chart (although ...
1
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1answer
121 views

Windows 7 PID consumes 50% CPU almost everyday for hours

I'm trying to determine why these services consume 50% of my CPU for hours at a time each day. I cannot restart the services without error and killing the PID just restarts it in a few minutes and ...
2
votes
4answers
7k views

svchost.exe taking 25% cpu

For some time now I have been noticing that one of my svchost.exe was constantly taking 25% cpu time on my 4 core, Win7 Ultimate PC. This particular service host is hosting: Cryptographic Services ...
0
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3answers
12k 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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votes
1answer
83 views

Linux mint 17.2 : How can i reduce cpu usage?

I've been using linux mint for month with no problems. Today, when I opened my laptop I noticed a huge CPU usage, although no program was running. My laptop is a Lenovo z500 core i5, 4gb ram. The 4 ...
0
votes
1answer
22 views

Limit CPU/RAM in all process for debian

Whenever i run CPU/RAM intensive tasks, i cant use my computer it freezes until the task is complete. I was looking for a way to limit resources per process for all processes. i.e so none of the ...
6
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2answers
6k 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 ...
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2answers
45 views

Why can't I find a tool that lowers the priority of background processes in Windows? [closed]

Since I have started using Windows 10, I contantly have lots of applications open on different desktops. I for example, often have a dozen WinSCP instances open. Each of these take up a few percent of ...
0
votes
1answer
143 views

Explorer.exe memory leak while exhausting one CPU core since 10586.17

Explorer.exe (GUI) is still working and responsive but one thread hangs at ntdll.dll!RtlAcquireSRWLockShared with ntdll.dll!ZwQueryFullAttributesFile being on the top of the stack. Memory is leaking ...
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0answers
254 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 ...
3
votes
1answer
112 views

Why / How is Adobe Premier Pro CC using over 100% of my CPU

So I've started a render. My MacBook Pro starts smelling like burnt feet. I open activity monitor and see the following: So currently with those two processes alone I'm running over 300% of my CPUs ...
0
votes
1answer
64 views

Laptop CPU and RAM usage

For the past two days my laptop has been using way too much RAM and CPU even when I am not using my computer and/or have 1 window open. Here is a picture of my performance tab: Any idea why I am ...
0
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0answers
32 views

Running peer block lowers the CPU usage - Am I being hacked?

Why is it when I start peer block my CPU usage goes down 20%? I've been using peer block not because IO'm file sharing but because I just want to better secure my computer. I use its default p2p ...
2
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0answers
151 views

noms.exe high CPU usage (what is this process?)

I recently discovered process called noms.exe running and maxing out one CPU core on the machine. I have done all the usual steps trying to collect the information about the process and was surprised ...
3
votes
1answer
88 views

xdg-open hogging the CPU by forking itself endlessly

Whenever xdg-open encounters a file it does not have a default application associated with it forks itself. This process repeats recursively until killed. While doing this, it of course takes up all ...
3
votes
2answers
3k 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
votes
1answer
105 views

Command Line utility to see list of tasks CPU Usage, Memory, and execute

I want to log, every 10 minutes, list of all the apps in windows that now running, the CPU usage, and memory usage. I have many node.exe tasks, so I want to see the arguments of the task (for ...
1
vote
1answer
2k views

Why does youtube.com use 100% CPU?

I am running Firefox 3.6.6 on Windows XP SP2 on a Dual Core. Why does my CPU usage increase up to 100% for one core when I watch movies on youtube.com?
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vote
2answers
756 views

Laptop suddenly lags making computer unusable

Yesterday, after playing Team Fortress 2 for around 20 minutes, my computer (an HP Compaq 8510p laptop) started lagging so bad I couldn't even shut down the game, I couldn't move the cursor nor could ...
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0answers
41 views

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 ...
70
votes
6answers
36k views

Determine which tab in Firefox is using CPU resources?

Is there anything in the current Firefox similar to shift-esc in Google Chrome? There is something that occasionally takes up enough CPU to make Firefox unresponsive - but with multiple windows, each ...
1
vote
0answers
382 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 ...
0
votes
0answers
167 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
1answer
41 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 ...
0
votes
0answers
68 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 ...
2
votes
1answer
3k 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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0answers
312 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 ...
0
votes
1answer
885 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 ...
0
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3answers
812 views

wmpnetwork.exe service clogs CPU usage

We have remote locations each with 2 ASUS media extenders that stream from a computer with a shared Media Player library. Lately, several of these locations experience the "wmpnetwork.exe" service ...
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0answers
230 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
76 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
415 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 ...