ok, so I have a script im running on a linux box that uses "egrep" a lot. now, when i run this script, i check the TOP to see how much system resource it is using.
the "top" command gives the following output:
In the above output, it shows that the egrep command is using 99% of the CPU. does this mean it is actually taking up 99% of the entire CPU resource of the system, which would mean there's only 1% left for the other numerous processes on the system to use? this can't be right.
What do I need to look at in the above output to determine or isolate the system impact of this script i'm running.
Hi all, I'd like to capture the output from the 'top' command to monitor my CPU and Mem utilisation.Currently my command isecho date
`top -b -n1 | grep -e Cpu -e Mem` I get the output in 3 separate lines.Tue Feb 24 15:00:03
Cpu(s): 3.4% us, 8.5% sy .. ..
Mem: 1011480k total, 226928k used, ....... (4 Replies)
Hi,
I have a system under test, and I use a script that does a ps.
The output, is in the following format, it's basically the timestamp, followed by the rss and vsize.
09:03:57 68404 183656 68312 181944 69860 217360 67536 182564 69072 183172 69032 199276
09:04:27 68752 183292 70000 189020... (5 Replies)
Could you please explain me whats happening in the below code, appreciate your help, Thank you.
/product/apps/informatica/v7/pc/ExtProc/NewDAC/dacRecBuilder.sh
/product/apps/informatica/v7/pc/TgtFiles/NEW_DAC/DAC_Pos_TradeInv_Records.out ... (5 Replies)
Solaris experts,
Am struggling, and wondering for the past more than one week that, how to calculate the total available and used memory/swap space.
Finally installed and used top & got some understanding, but while cross-checking, there are mismatches.
Main Memory
top o/p - 2GB... (7 Replies)
After running nm command on any object file from out put can we get to know that wheather a symbol is a call to a function or definition of function ?
I am searching a class and function definitions inside many .so files.
I have 3 files which contain the symbol but I don't know wheather they... (2 Replies)
Understanding top and swapinfo command HP-UX
Hi!I am new to HP-UX having used Linux for several years.When I want to check server performance,I use the top and swapinfo command.In Linux,the results of top were quite easy to understand as it would clearly state the amount of free and used... (0 Replies)
Hi all,
First time post, so please be gentle. :)
I'm writing a Solaris 10 ksh script to retrieve details of logins and logouts using specific user names. The details I want are quite basic - the username, the computer logged in from, and the date and time the user logged in and logged off.... (6 Replies)
Hi all,
I need a clarification about the top command in HP-UX.
If I run:
top -s300
I see the screen refresh every 5 minutes.
From the "man top" I understand that the values displayed every 5 minutes are instantaneous, not average on the previous 5 minutes.
Is this interpretation correct?
... (3 Replies)
I ran the following command.
cat abc.c > abc.c
I got message the following message from command cat:
cat: abc.c : input file is same as the output file
How the command came to know of the destination file name as the command is sending output to standard file. (3 Replies)
Hi
please see attached picture of the TOP command.
the "java" process seem to consume 700% of cpu
is that mean that he uses 100% of every 7 cpu cores?
thanks (2 Replies)
Discussion started by: guy3145
2 Replies
LEARN ABOUT LINUX
service
service(8) System Manager's Manual service(8)NAME
service - run a System V init script
SYNOPSIS
service SCRIPT COMMAND [OPTIONS]
service --status-all
service --help | -h | --version
DESCRIPTION
service runs a System V init script in as predictable environment as possible, removing most environment variables and with current working
directory set to /.
The SCRIPT parameter specifies a System V init script, located in /etc/init.d/SCRIPT. The supported values of COMMAND depend on the
invoked script, service passes COMMAND and OPTIONS it to the init script unmodified. All scripts should support at least the start and
stop commands. As a special case, if COMMAND is --full-restart, the script is run twice, first with the stop command, then with the start
command.
service --status-all runs all init scripts, in alphabetical order, with the status command.
EXIT CODES
service calls the init script and returns the status returned by it.
FILES
/etc/init.d
The directory containing System V init scripts.
ENVIRONMENT
LANG, TERM
The only environment variables passed to the init scripts.
SEE ALSO
/etc/init.d/skeleton,
update-rc.d(8),
init(8),
invoke-rc.d(8).
Jan 2006 service(8)