Tagged Questions
3
votes
2answers
69 views
CPU usage of KVM
I have a linux host with 4 KVM linux guests. All the guest are pretty much idle, having a load of <0.1 inside the guest.
Now, if I do a top on the host, each KVM process is using something about ...
7
votes
3answers
3k views
Why is kworker consuming so many resources on Linux 3.0.0-12-server?
Last Friday I upgraded my Ubuntu server to 11.10, which now runs with a 3.0.0-12-server kernel. Since then the overall performance has dropped dramatically. Before the upgrade the system load was ...
2
votes
2answers
313 views
Finding MFLOPS using Linux
How can I find out the Mflops on my linux computer? I can see the bogomips on my /proc/cpuinfo but I don't see any Mflops on that file:
$ cat /proc/cpuinfo | grep -ie mips -ie flops
bogomips : ...
3
votes
1answer
734 views
Why Process CPU % Usage larger than Total CPU Time
When I run the TOP command, a process shows 1208% cpu usage and the total CPU usr time is 81.7% with IRIX mode on. When I change to IRIX mode off, the process shows 99% cpu usage and the total user ...
19
votes
3answers
976 views
How to limit resource usage to save CPU+RAM for a certain process?
I have a dev server on which sshd sometimes stops working because the machine runs out of RAM. Yes we are running low on memory and upgrading is not a feasible choice right now. What I want to do is ...
4
votes
4answers
293 views
performance monitoring
Is there some performace monitoring tool which would run in background gathering info about all system activity? Somethimes my system (Arch linux, 32 bit) slows down terribly and the top utility ...
1
vote
1answer
345 views
xorg performance in openoffice
I've just been monitoring my cpu usage in openoffice calc when cells have been copied vs when they haven't and seen a dramatic increase in cpu usage for the Xorg process. The additional rendering ...
