how can i monitor usages of CPU, Memory, Hard disk etc. under SUN Solaries
through a c program or java program
i want to store that data into database so i can show it graphically
thanks in advance (2 Replies)
Please tell me solaris functions/api for getting following information
1- Function that tells how much memory used by current process
2- Function that tells how much memory used by all running processes
3- Function that tells how much CPU is used by current process
4- Function that tells how... (1 Reply)
System FreeBSD.
Issue: I see that system idle = 0% in the same time top and other commands show that all process eat 0% of cpu.
System calls 98%
CPU states: 7.9% user, 0.0% nice, 91.8% system,<==!!!
But top does not show any process which eats more than 0%
Question: how can I see... (0 Replies)
how can I find cpu usage memory usage swap usage and
I want to know CPU usage above X% and contiue Y times and memory usage above X % and contiue Y times
my final destination is monitor process
logical volume usage above X % and number of Logical voluage above
can I not to... (3 Replies)
Hi,
I want to monitor the current cpu usage, monitor usage , disk I/o and network utlization for solaris using SNMP.
I want the oids for above tasks.
can you please tell me that
Thank you (2 Replies)
Hello Friends,
On one of my Solaris 10 box, CPU usage shows 100% using "sar", "vmstat". However, it has 4 CPUs and prstat and glance are not showing enough processes to justify high CPU utilization.
=========================================================================
$ prstat -a
... (4 Replies)
well i want to get the cpu usage of the current processes.the thing is that i want to list the processes with cpu usage=0 and the others(one list for cpu usage=0 and another for cpu usage>0)..i can list them,but i cant find a way to find the ps with cpu usage=0 and cpu usage>0..pls help me with... (6 Replies)
Hi Guys,
I am a newbie on the forum. This is my first post, so first of all I would like to introduce myself.
I am a SAS Analyst programmer working for an Health Insurance client. SAS is installed on a 16 CPU AIX Server with partitions running with shared processor. I have couple of... (2 Replies)
Hi,
could someone give me an example for a debian server script? I need to check a process if the process has a high cpu load (top).
If yes the whole server needs to reboot.
Thats it, nothing more. ;)
Hope someone could help me.
Regards
woisch (2 Replies)
Discussion started by: woisch
2 Replies
LEARN ABOUT SUSE
swapon
SWAPON(8) Linux Programmer's Manual SWAPON(8)NAME
swapon, swapoff - enable/disable devices and files for paging and swapping
SYNOPSIS
Get info:
swapon -s [-h] [-V]
Enable/disable:
swapon [-f] [-p priority] [-v] specialfile...
swapoff [-v] specialfile...
Enable/disable all:
swapon -a [-e] [-f] [-v]
swapoff -a [-v]
DESCRIPTION
swapon is used to specify devices on which paging and swapping are to take place.
The device or file used is given by the specialfile parameter. It may be of the form -L label or -U uuid to indicate a device by label or
uuid.
Calls to swapon normally occur in the system boot scripts making all swap devices available, so that the paging and swapping activity is
interleaved across several devices and files.
swapoff disables swapping on the specified devices and files. When the -a flag is given, swapping is disabled on all known swap devices
and files (as found in /proc/swaps or /etc/fstab).
-a, --all
All devices marked as ``swap'' in /etc/fstab are made available, except for those with the ``noauto'' option. Devices that are
already being used as swap are silently skipped.
-e, --ifexists
Silently skip devices that do not exist.
-f, --fixpgsz
Reinitialize (exec /sbin/mkswap) the swap space if its page size does not match that of the the current running kernel. mkswap(2)
initializes the whole device and does not check for bad blocks.
-h, --help
Provide help.
-L label
Use the partition that has the specified label. (For this, access to /proc/partitions is needed.)
-p, --priority priority
Specify the priority of the swap device. priority is a value between 0 and 32767. Higher numbers indicate higher priority. See
swapon(2) for a full description of swap priorities. Add pri=value to the option field of /etc/fstab for use with swapon -a.
-s, --summary
Display swap usage summary by device. Equivalent to "cat /proc/swaps". Not available before Linux 2.1.25.
-U uuid
Use the partition that has the specified uuid.
-v, --verbose
Be verbose.
-V, --version
Display version.
NOTES
You should not use swapon on a file with holes. Swap over NFS may not work.
swapon automatically detects and rewrites swap space signature with old software suspend data (e.g S1SUSPEND, S2SUSPEND, ...). The problem
is that if we don't do it, then we get data corruption the next time an attempt at unsuspending is made.
swapon may not work correctly when using a swap file with some versions of btrfs. This is due to the swap file implementation in the ker-
nel expecting to be able to write to the file directly, without the assistance of the file system. Since btrfs is a copy-on-write file
system, the file location may not be static and corruption can result. Btrfs actively disallows the use of files on its file systems by
refusing to map the file. This can be seen in the system log as "swapon: swapfile has holes." One possible workaround is to map the file to
a loopback device. This will allow the file system to determine the mapping properly but may come with a performance impact.
SEE ALSO swapon(2), swapoff(2), fstab(5), init(8), mkswap(8), rc(8), mount(8)FILES
/dev/sd?? standard paging devices
/etc/fstab ascii filesystem description table
HISTORY
The swapon command appeared in 4.0BSD.
AVAILABILITY
The swapon command is part of the util-linux-ng package and is available from ftp://ftp.kernel.org/pub/linux/utils/util-linux-ng/.
Linux 1.x 25 September 1995 SWAPON(8)