CPU usage indicate how much of a workload is being handled by the CPU.
CPU-usage or CPU time is the amount of time for which a central processing unit (CPU) was used for processing instructions of a computer program.
Questions tagged [cpu-usage]
854 questions
339
votes
11 answers
Determine which tab in Firefox is using CPU resources?
Is there anything in the current Firefox similar to the Task Manager in Google Chrome? (Shift + Esc)
There is something that occasionally takes up enough CPU to make Firefox unresponsive - but with multiple windows, each with a dozen or so tabs…
chris
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240
votes
6 answers
Troubleshoot High CPU usage by the "System" process
I have noticed that from some time my system is freezing and it's probably caused by the high CPU usage which is caused by the system process.
All applications I'm running is Skype, TeamSpeak and Chrome, so it definitely shouldn't eat that amount of…
Scott
- 2,513
113
votes
3 answers
Why does MDS run wild in Mac OS X 10.6?
I've been having trouble with the MDS process running wild on my MacBook Pro 13". I've read on other support forums indicating that improperly formatted external drives can be an issue, but I have no drives connected. How can this problem be…
kubi
- 1,298
94
votes
9 answers
Can a 7 days full 100% CPU load "burn-in" / "stress test" damage a modern notebook?
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 setting it up for me
let it "steam out" some of the…
Tom Stevens
- 965
92
votes
13 answers
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 that?
Morgon
- 921
92
votes
4 answers
Why is the CPU usage reported by top in Linux over 100%?
I've seen the CPU usage go over 100%. How is this possible? Is it because I have four CPU cores, so 100% isn't really the max?
Also, when a program does this, what else can I do in top besides using the k command?
tony_sid
- 14,957
80
votes
4 answers
Windows Update doesn't work and consumes 100% of CPU (Win7 SP1)
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 and the folder C:\Windows\SoftwareDistribution…
cantoni
- 991
78
votes
4 answers
What does load average mean on 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 average of the system over the last 1, 5, and 15…
John Fouhy
- 3,225
63
votes
5 answers
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 make it stop running.
Please anyone have any…
waaaaaat
- 667
61
votes
12 answers
Can I run my CPU at 100% usage for a long time?
I have a Dell XPS 15 9570, 32 GB ram, 2.2 ghz and 6 cores. When i use an application (The parsim command on MATLAB) (for more details) then my fan starts running fast , during this my PC doesn't seem to be heating but it never got this noisy in the…
aadil095
- 737
49
votes
3 answers
What is a CPU tick?
Question:
How is a CPU tick calculated and what does it represent?
Does a single tick equate to 10 miliseconds thus if some thread reported not called for (5 * 10 ticks = 500 ticks) does this mean the CPU was perhaps too busy to schedule the…
Aaron
- 1,488
40
votes
4 answers
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 (which isn't the problem here). In all the related…
36
votes
2 answers
Understanding load average and % CPU in Linux?
When I execute top command on my Ubuntu system I see below results
top - 07:58:58 up 1:21, 1 user, load average: 0.82, 0.73, 0.55
Tasks: 293 total, 1 running, 292 sleeping, 0 stopped, 0 zombie
%Cpu(s): 0.8 us, 0.8 sy, ....
I need to…
user3198603
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- 17
32
votes
3 answers
Is there a command in Linux to know the processor number in which a process is loaded?
Is there any command in Linux to figure out, given a process, which processor the process is running? I am interested in figuring out the CPU busy and CPU idle time of that processor.
kumar
- 517
31
votes
2 answers
CompatTelRunner.exe is causing 100% CPU usage
Since my last Windows 10 Update, CompatTelRunner.exe is causing 100% CPU usage after Windows start. This results in not being able to use my computer for a long time. How can I fix this?
Windows OS Build is 19042.1052
user1580348
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