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Questions tagged [cpu-usage]

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.

CPU time accounting :http://public.dhe.ibm.com/software/dw/linux390/perf/CPU_time_accounting.pdf

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Some fundamental but important questions about web development?

I've developed some web-based applications till now using PHP, Python and Java. But some fundamental but very important questions are still beyond my knowledge, so I made this post to get help and clarification from you guys. Say I use some…
Zhu Tao
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Memory usage of Docker containers

I am using Docker to run some containerized apps. I am interested in measuring how much resources they consume (as far as regarding CPU and Memory usage). Is there any way to measure the resources consumed by Docker containers like RAM & CPU…
Paris
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Command line command to auto-kill a command after a certain amount of time

I'd like to automatically kill a command after a certain amount of time. I have in mind an interface like this: % constrain 300 ./foo args Which would run "./foo" with "args" but automatically kill it if it's still running after 5 minutes. It…
dreeves
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High CPU Utilization in java application - why?

I have a Java Application (web-based) that at times shows very high CPU Utilization (almost 90%) for several hours. Linux TOP command shows this. On application restart, the problem goes away. So to investigate: I take Thread Dump to find what…
Jasper
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How can I programmatically limit my program's CPU usage to below 70%?

Of late, I'm becoming more health oriented when constructing my program, I have observed that most of programs take 2 or 3 minutes to execute and when I check on the task scheduler, I see that they consume 100% of CPU usage, can I limit this usage…
Nidhi
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How to get total cpu usage in Linux using C++

I am trying to get total cpu usage in %. First I should start by saying that "top" will simply not do, as there is a delay between cpu dumps, it requires 2 dumps and several seconds, which hangs my program (I do not want to give it its own…
David Polák
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Get CPU usage from application on iOS

How do I obtain CPU usage for an application? It's definitely possible, because there are application in App store (Activity Monitor Touch) which can show it.
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Prometheus - Convert cpu_user_seconds to CPU Usage %?

I'm monitoring docker containers via Prometheus.io. My problem is that I'm just getting cpu_user_seconds_total or cpu_system_seconds_total. How to convert this ever-increasing value to a CPU percentage? Currently I'm…
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Simulate steady CPU load and spikes

How could I generate steady CPU load in C#, lower than 100% for a certain time? I would also like to be able to change the load amount after a certain period of time. How do you recommend to generate usage spikes for a very short time?
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Visual Studio 2013 Update 2 maxes out core

I recently installed Visual Studio 2013 Professional Update 2 on a Windows 7 virtual machine. I had been running VS 2012 with no problems, but I wanted to upgrade. Everything was working well for a week, but now for a certain project the IDE is…
Clint Powell
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I need a slow C# function

For some testing I'm doing I need a C# function that takes around 10 seconds to execute. It will be called from an ASPX page, but I need the function to eat up CPU time on the server, not rendering time. A slow query into the Northwinds database…
Sisiutl
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Why the cpu performance counter kept reporting 0% cpu usage?

PerformanceCounter cpuload = new PerformanceCounter(); cpuload.CategoryName = "Processor"; cpuload.CounterName = "% Processor Time"; cpuload.InstanceName = "_Total"; Console.WriteLine(cpuload.NextValue() + "%"); The output is always 0%, while the…
smwikipedia
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what are the meaning of values at proc/[pid]/stat?

I was trying to develop an app to get CPU usage per app and kill apps when consuming much CPU. But I couldn't figure out how to do this. I have read this post and have seen this answer. So I looked at proc/[pid]/stat. There are a lot of numeric…
Shafin Abrar
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CPU Intensive Calculation Examples?

I need a few easily implementable single cpu and memory intensive calculations that I can write in java for a test thread scheduler. They should be slightly time consuming, but more importantly resource consuming. Any ideas?
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c# calculate CPU usage for a specific application

I'm trying to figure out how to get the CPU usage for a particular process but can only find information relating to overall CPU usage. Does anyone know how to extract the current CPU usage in percentage terms for a specific application?
Grant
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