Sponsored Content
Full Discussion: Kernel usage is high
Top Forums UNIX for Advanced & Expert Users Kernel usage is high Post 302544921 by SunSolars_admin on Friday 5th of August 2011 11:17:19 AM
Old 08-05-2011
Tools Kernel usage is high

Hi all,

I have a solaris box, and I would like to know if anyone has commands to check kernel usage's.

Scenario:
solaris box is having cpu 100 % issue. .

I have used sar -u 10 5 it shows 35 % kernel usage.


If you can guide with some docs that would be good..

waiting for your reply
 

10 More Discussions You Might Find Interesting

1. UNIX for Advanced & Expert Users

High kernel usage using sleep

Hi I have a lot of scripts running on a Sun Solaris server, which are constantly running in a loop looking for work to do. When they have no work they sleep for a certain amount of time (60secs normally). I have 13 of these scripts running the number of sleep command issued can be in the order... (4 Replies)
Discussion started by: handak9
4 Replies

2. UNIX for Advanced & Expert Users

Sun: High kernel usage & very high load averages

Hi, I am seeing very high kernel usage and very high load averages on my system (Although we are not loading much data to our database). Here is the output of top...does anyone know what i should be looking at? Thanks, Lorraine last pid: 13144; load averages: 22.32, 19.81, 16.78 ... (4 Replies)
Discussion started by: lorrainenineill
4 Replies

3. AIX

High memory usage in AIX 5.1

Hi, We have AIX 5.1 machine of RAM 8 GB and paging space is 8GB. we are getting high memory usage of almost 99%.Can anybody please help in this ? Partial vmstat o/p kthr memory ----- ----------- r b avm fre 2 1 278727 1143 There is no paging issue.Becoz in... (5 Replies)
Discussion started by: jayakumarrt
5 Replies

4. Red Hat

What would cause high kernel/system utilisation

We have a VM running RedHat that seems to have very high system (kernel) utilisation compared to our physical servers running the same OS and workload that show normal system time utilisation. Any ideas? Thanks in advance. (2 Replies)
Discussion started by: azurty
2 Replies

5. UNIX for Advanced & Expert Users

Extremely high kernel CPU Usage (Solaris 10 SPARC)

I've got a domain running on a few boards of a 25k. I'm seeing very high kernel cpu usage in top and cant' quite explain it. System runs a large number of smallish Oracle 10g2 databases (30), used mainly for development. load average: 36.63, 36.68, 37.42 2489 processes: 2452 sleeping, 21... (0 Replies)
Discussion started by: utopiajoe
0 Replies

6. Ubuntu

High System CPU Usage

I am running a Dell PE R815 with 4 x AMD 12 core CPUs with 128GB of RAM and a RAID 5 array of 6 SAS disks. This is an HPC application and is definitely CPU bound, however once I run 16 of these processes (thus pinning 16 cores) the work performed slows down dramatically, to maybe 5 or 10% of what... (2 Replies)
Discussion started by: mowmentous
2 Replies

7. UNIX for Advanced & Expert Users

Memory usage shown is high

Hello all, I am facing a memory related issue on my linux that is CentOS 4.0. What I see as an output of top command, free command is that memory usage is almost 90% which is quite high without much load on the system. This is continuously showing 90% or so of memory usage with top or free... (2 Replies)
Discussion started by: radiatejava
2 Replies

8. AIX

AIX memory usage always high

hi, I want to ask , my AIX 6.1 is always used about 97% memory. Is this normal ? or any command can free up memory like Linux ? thanks. (1 Reply)
Discussion started by: virusxx
1 Replies

9. Shell Programming and Scripting

High cpu usage

I have created one script and i have added it into cron to run after 10 mins. However I have noted that whenever that script runs, It causes CPU utilization of server to increase about 10-20 % I have rechecked script and there is no way i can make changes, Script contain only 2-3 commands. So... (4 Replies)
Discussion started by: Nakul_sh
4 Replies

10. UNIX for Advanced & Expert Users

Identify cause of high resource usage

hello all, on linux servers sometimes any of these resources (cpu,memory,disk) get a spike when you are not in front of the server. the duration of these spikes might be 5 mins or even whole weekend. my question is there a good way of capturing the events that caused these issues ( cpu or... (5 Replies)
Discussion started by: coolatt
5 Replies
install-solaris(1M)													       install-solaris(1M)

NAME
install-solaris - install the Solaris operating system SYNOPSIS
install-solaris install-solaris invokes the Solaris Install program. Depending on graphical capability and available memory at the time of invocation, install-solaris invokes either a text-based installer or a graphical installer. The following minimum requirements for physical memory dictate which features are available during installation: For SPARC machines: 128 MB Minimum physical memory for all installation types 128 MB Minimum physical memory required for windowing system 384 MB Minimum physical memory required for graphical-based installation For x86 machines: 256 MB Minimum physical memory for all installation types 256 MB Minimum physical memory required for windowing system 512 MB Minimum physical memory required for graphical-based installation In some cases, even if the minimum physical memory is present, available virtual memory after system startup can limit the number of fea- tures available. install-solaris exists only on the Solaris installation media (CD or DVD) and should be invoked only from there. Refer to the for more details. install-solaris allows installation of the operating system onto any standalone system. install-solaris loads the software available on the installation media. Refer to the for disk space requirements. Refer to the for more information on the various menus and selections. See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcdrom (Solaris instal- | | |lation media) | +-----------------------------+-----------------------------+ |Interface Stability |Evolving | +-----------------------------+-----------------------------+ pkginfo(1), install(1M), pkgadd(1M), attributes(5) It is advisable to exit install-solaris by means of the exit options in the install-solaris menus. 23 Sep 2005 install-solaris(1M)
All times are GMT -4. The time now is 12:33 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy