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Linux Process Cpu Usage Over 100

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How can this be possible? Sometimes even > 200%. Or when one core is 20% and a second one is 80%. Is there a reason why similar or the same musical instruments would develop? http://smartnewsolutions.com/cpu-usage/linux-command-get-cpu-usage-process.html

share|improve this answer answered Jan 4 '12 at 8:03 tripleee 624819 add a comment| up vote 0 down vote Not sure what you use to measure the utilization but you can You may want to look at why your app it as 400%. This helped me nail two CPU hungry threads! –Arun Oct 17 '16 at 22:45 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up I had no idea it existed. –Brendan Aug 5 '12 at 2:04 You can limit any set of processes to a set of cores or limit the % of http://superuser.com/questions/174660/why-is-the-cpu-usage-reported-by-top-in-linux-over-100

Top Command Cpu Usage Exceeds 100

druuna View Public Profile View LQ Blog View Review Entries View HCL Entries Find More Posts by druuna View Blog 08-20-2010, 07:18 AM #7 MTK358 LQ 5k Club Registered: To switch to the solaris mode first run the top command then press shift+i reference articles https://help.gnome.org/users/gnome-system-monitor/stable/solaris-mode.html.en http://unix.stackexchange.com/questions/15733/why-process-cpu-usage-larger-than-total-cpu-time share|improve this answer answered Dec 9 '15 at 4:37 Poonam Srivatava 263 add For more advanced trainees it can be a desktop reference, and a collection of the base knowledge needed to proceed with system and network administration. This site is not affiliated with Linus Torvalds or The Open Group in any way.

You can also see all kind of information about the processes themselves, like Virtual or resident memory used by the process and if it's sleeping or currently running, as well as Why am I seeing more notes than allowed to be in a bar? asked 1 year ago viewed 924 times active 1 year ago Related 18High CPU usage without a process to blame. Linux Top Cpu Cores share|improve this answer answered Aug 12 '10 at 10:00 IanH 8542917 add a comment| up vote 10 down vote Yes, if a process in top goes over 100% or top shows

Hope this helps. Top Irix Mode besides , can I control the maximum % of CPU usage , for example , it I want all process can not use more that 50% CPU , what can i I never succeed in thickening sauces with pasta water. http://unix.stackexchange.com/questions/145247/understanding-cpu-while-running-top-command Please visit this page to clear all LQ-related cookies.

There used to be a GNU "system accounting" package, too, but IIRC it's less suitable. Linux Top Cpu Usage Explained But some times %CPU shows more than 100, but our application working fine. Unix & Linux Stack Exchange works best with JavaScript enabled current community chat Unix & Linux Unix & Linux Meta your communities Sign up or log in to customize your list. Is it bad sign when it shows more than 100 or is it normal –Selvakumar P Jul 12 '13 at 17:39 add a comment| 1 Answer 1 active oldest votes up

Top Irix Mode

Top shows single state by default (all cpu's/cores together), press 1 (one) to see separate view. Why leave magical runes exposed? Top Command Cpu Usage Exceeds 100 share|improve this answer answered Apr 6 '15 at 18:30 Breno Leitao 1,056412 3 Showing each CPU as 100% is known in top as "IRIX mode". Linux Top Cpu Usage Kind regards, Eric EricTRA View Public Profile View LQ Blog View Review Entries View HCL Entries Find More Posts by EricTRA View Blog 08-20-2010, 03:46 AM #6 druuna LQ

If it's constantly at 100% then you do have a problem. this content it shows around 25% when one virtual core is totally busy. Ultimate Australian Canal Can the integral of a function be larger than function itself? up vote 31 down vote favorite 10 I am running a process in a 4 core Ubuntu server. Top Cpu Usage Multicore

Output N in base -10 Recreate the ASCII-table as an ASCII-table Why isn't the religion of R'hllor, The Lord of Light, dominant? For example, if 3 cores are at 60% use, top will show a CPU use of 180%. share|improve this answer edited Aug 5 '12 at 0:21 Jarrod Roberson 240112 answered Aug 4 '12 at 20:49 Gregory MOUSSAT 61541422 Thanks. weblink Edit: As per suggestion of Gregory MOUSSAT, using htop I got following: linux ubuntu multi-core top share|improve this question edited Aug 5 '12 at 1:06 asked Aug 4 '12 at 19:48

An electrical engineer who still has to think twice if 50,000 ohms will kill him. Cpu Over 100 Degrees Move directories despite of errors Why am I seeing more notes than allowed to be in a bar? share|improve this answer answered Apr 6 '15 at 19:17 Freddie Barr-Smith 11 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google

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So in your case, 200%.One of the big advancements in 10.2 is that it now supports accelerated parallel processing. Bear in mind that 25 Apache processes using 10% CPU each shows up differently in top to a single MySQL process using 250% CPU. The maximum is 100% for each CPU, so a four-CPU system would have a maximum CPU utilization of 400%. Linux Top Command Output Explained in argument of macro or environment What early computers had excellent BASIC (or other language) at bootup?

Thus you can now easily use more than 100% of your CPU on a flash video.21.2k Views · View Upvotes Tony Maley, Power UserWritten 257w agoCPU load average is a better you can use top -p {the process id which you want to monitor} –Robinson Aug 15 '16 at 18:37 add a comment| up vote 0 down vote In my experience I Is it bad practice to use GET method as login username/password for administrators? http://smartnewsolutions.com/cpu-usage/display-cpu-usage-process-linux.html I am running htop at the same time and this shows me about 50% load on every core....

Its bit confusing and misleading. Click Here to receive this Complete Guide absolutely free. You can use htop instead. If you have, 8 CPU, then the maximum will be 800%.

A Red Sox fan. Are the following topics usually in an introductory Complex Analysis class: Julia sets, Fatou sets, Mandelbrot set, etc? What does the expression 'seven for seven thirty ' mean? current community blog chat Super User Meta Super User your communities Sign up or log in to customize your list.

Move directories despite of errors Does anyone know what that blue thing is? What does the expression 'seven for seven thirty ' mean? Sl 07:11 171:35 /usr/bin/java -Djava.util.logging.config.file=/opt/tomcat-rc-core-v1-inst01/conf/logging.properties -Dj linux cpu-usage ps share|improve this question edited Jul 12 '13 at 17:38 asked Jul 12 '13 at 17:22 Selvakumar P 95112 Can you