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Questions tagged [cpu-usage]

The amount of processing units of the CPU used to execute a task and how long it takes.

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How to find out CPU usage of DLLs within an instance of svchost.exe

My Windows Server 2008 R2 should be almost idle, yet it's taking about 12-15% CPU almost all the time. The busy process is an instance of svchost.exe Using SvcHost Process Analyser, I've established that the services running in this process are as…
ChrisA
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High Processor Usage

I have a Linode VPS and am getting alerts regarding high CPU usage every few days - a reboot solves the problem - but would rather find the issue. I'm running Ubuntu 12.10 and other than PHP, MySQL and Apache there I have't installed much else. Are…
gbuckingham89
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When upgrading hardware to increase program performance, which should I consider first CPU, RAM or both?

I have a simple script that I wrote in PHP (which, after reading lots of QAs seems to have less than desirable memory management). It's an extremely small script that loops through configuration files in a folder; compares that to the record in the…
user658182
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CPU load steadily increasing and MySQL 1.5 GB open deleted file in temp directory

I have a CentOS server that is running cPanel (shared hosting server), I have had troubles with MySQL before and I spent some time configuring and tuning it, until finally the load dropped (from 170%!! to 10% or so), until 2 days ago when MySQL…
AL-Kateb
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Windows Server 2008 task manager shows not more than 25% cpu usage for a process, how to increase this value?

Is this a feature or limitation compared to ordinary single user Windows 7/8? Is there a way to give one user access to say 50, 75% of overall cpu resources for running a software/process?
James Last
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Finding the file/script that invoked a process

I do have a high CPU utilization PhP Process. This process in turn seem to invoke mysql and both processes together are using all the CPU cores and RAM using ps aux | grep php , i could get the filename and location. i.e; /usr/bin/php …
Anil Bhat
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Where is the high load coming from?

Last night I recieved a lot of messages from DirectAdmin saying: load average on your system is 46.86, or some similar number. It comes with a 'top' printout, but all I can tell from that printout is that the CPU is 99.7% idle, and that used memory…
Flion
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Which Apache parameters responsible for high CPU usage and slower response?

Two dedicated separate servers running with identical configuration of hardware (Dual E5-2620 32GB) in similar environment (CentOS 6.3, Apache+PHP+MySQL) serving similar tasks, but behaving in different way of processing Apache web server - CPU…
Arturas
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High mysql throughput / cpu utilization

Once in a while, our server starts lagging. It always start around 6:00 ( GMT + 1) in the morning and ends around 3 till 4 hours later. We have munin installed and we see a peak in CPU utilization and in the MySQL throughput. Below are some…
P.T.
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How can I log the most CPU-Intensive processes in regular intervals?

I have a server which is idling below 5% cpu load most of the time, except from a few times a day where I can see some minor cpu spikes. I found out about this by using PRTG. How can I find out what process is causing the cpu spikes? It's easy to…
Adrian Grigore
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Amazon EC2 - how to determine how busy each CPU is

I have an Amazon EC2 micro instance. I believe that this is 1 core (or 2 for periodic bursts) with 4 CPU's. I'm getting confused with the terminology (ECU vs CPU vs Core) but really I would like to see how busy each CPU is. When I look at top it…
sally
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ntvdm.exe is using a lot of CPU

One of my servers is a Windows 2003 Enterprise Edition SP2. Usually there are up to 14 people logged in during all day. They use regular programs like Office 2010 or any internet browsers and a couple of specific software as well (For banking and…
Gastón Fernández
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find the cpu usage of a process on Ubuntu?

Is there a way to find the CPU usage of a process on ubuntu combined with the cpu usage of all the child process. And also would it be possible to get this number as a % of the total CPU usage?
Ankur Agrawal
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Windows Server 2008 R2: CPU spikes randomly...how can I find the culprit?

On my dual-socket server, I occasionally see that CPU usage absolutely spikes to 100% on all cores for about 5 seconds at random periods during the day. It happens about once or twice a day. The only reason I found out about this was due to the…
eek
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Single-threaded application being balanced across CPU cores?

Is there an easy way to check whether a certain single-threaded application is being balanced across CPU cores by Windows? I have already tried Process Explorer but I could not find a way to read it out, if possible in the first place. The reason I…
Xen
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