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Full Discussion: Shell script to calculate the max cpu usage from the main script
Top Forums Shell Programming and Scripting Shell script to calculate the max cpu usage from the main script Post 302842405 by Optimus81 on Friday 9th of August 2013 06:12:45 AM
Old 08-09-2013
Linux Shell script to calculate the max cpu usage from the main script
Hi All,
I have a script which does report the cpu usuage, there are few output parameter/fields displayed from the script. My problem is I have monitor the output and decide
which cpu number (column 2) has maximum value (column 6).
Since the output is displayed/updated every seconds, it's very difficult to capture the result.
Is there a way, we can write a seperate script, which read the output and display the cpu number and it's cpu usuage value(max) and output that data ?
script need to calculate/report the cpu and cpu value for every 1 sec set data
Main script :
Code:
PATH=/usr/bin:/usr/sbin:$PATH
export PATH
if [ "$1" != "" ] ;then
[ $1 -gt 0 ] && TIME=$1
else
TIME=1
fi
LOG_BASE=${LOG_BASE:-/usr/logs/}
HOST=`hostname`
[ -d $LOG_BASE/cap ] || mkdir -p $LOG_BASE/cap
if [ ! -f $LOG_BASE/cap/mpstat_${HOST}_`date '+%Y%m%d'`.csv ];then
echo "Date Time,CPU ID,User,System,Wait,CPU_Use" \
> $LOG_BASE/cap/mpstat_${HOST}_`date '+%Y%m%d'`.csv
fi
mpstat $TIME | while read r
do
echo "`date '+%Y/%m/%d %H:%M:%S'` $r" |nawk '$3 !~ /CPU/ \
{printf \
"%s %s,%d,%d,%d,%d,%d\n", \
$1,$2,$3,$15,$16,$17,100-$18 \
}' >> $LOG_BASE/cap/mpstat_${HOST}_`date '+%Y%m%d'`.csv
done

Main script output :
Code:
2013/08/09 09:44:09,0,1,2,0,3
2013/08/09 09:44:09,1,0,0,0,0
2013/08/09 09:44:09,2,0,2,0,2
2013/08/09 09:44:09,3,0,1,0,1
2013/08/09 09:44:09,4,0,1,0,1
2013/08/09 09:44:09,5,1,1,0,2
2013/08/09 09:44:09,6,0,1,0,1
2013/08/09 09:44:09,7,0,1,0,1
2013/08/09 09:44:10,0,1,1,0,2
2013/08/09 09:44:10,1,0,0,0,0
2013/08/09 09:44:10,2,1,1,0,2
2013/08/09 09:44:10,3,1,2,0,3
2013/08/09 09:44:10,4,0,0,0,0
2013/08/09 09:44:10,5,0,1,0,1
2013/08/09 09:44:10,6,0,0,0,0
2013/08/09 09:44:10,7,0,0,0,0
2013/08/09 09:44:11,0,1,1,0,2
2013/08/09 09:44:11,1,0,0,0,0
2013/08/09 09:44:11,2,0,2,0,2
2013/08/09 09:44:11,3,1,1,0,2
2013/08/09 09:44:11,4,0,0,0,0
2013/08/09 09:44:11,5,0,1,0,1
2013/08/09 09:44:11,6,0,0,0,0
2013/08/09 09:44:11,7,1,1,0,2

In the above output, there are 6 columns ie,
Date Time,CPU ID,User,System,Wait,CPU_Use
2013/08/09 09:44:09,0,1,2,0,3

from the above output, need to monitor which cpu(column 2 : 0-7 cpu) has utilized more say,
for 2013/08/09 09:44:09
cpu 0 has max cpu usuage value = 3
cpu 2 has max cpu usuage value = 2
for 2013/08/09 09:44:10
cpu 3 has max cpu usuage value = 3
cpu 2 has max cpu usuage value = 2
for 2013/08/09 09:44:11
cpu 2 has max cpu usuage value = 2
cpu 2 has max cpu usuage value = 2
Can any help me to sort this out please ?

Many Thanks
 

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LEARN ABOUT CENTOS

cpu

CPU(8)                                                        System Manager's Manual                                                       CPU(8)

NAME

       cpu - A tool for user and group administration

SYNOPSIS

       cpu [OPTIONS]

DESCRIPTION

       CPU is a tool for user administration, that was initially based on FreeBSD's pw(8). This tool will allow you to administer users and groups
       on several different backends currently including LDAP and flat files. Please see the website http://cpu.sourceforge.net for more  informa-
       tion, or help improve the man page.

OPTIONS

       There are two kinds of options; options for CPU and options for CPU modules.  There are only four options for CPU, they are as follows:

       -C configfile, --config configfile
              The configuration file to be used by CPU. The options in this file are used for CPU modules.

       -h, --help
              Display help for CPU. If specified in conjunction with the -m option the help for that particular module is displayed.

       -M method, --method=method
              This  is  the method of administration. Current options are ldap or passwd (passwd is not yet working). This can be specified in the
              configuration file.

       -V, --version
              Display the version of the software.

SEE ALSO

       cpu.conf(5) cpu-ldap(8)

AUTHORS

       Blake Matheny <bmatheny@purdue.edu>

       The current version of this software is always availabe at http://cpu.sourceforge.net

BUGS

       To report a bug or problem, please e-mail:

       cpu-users@lists.sourceforge.net

TODO

       See TODO file that accompanied software. Please e-mail us with any additional suggestions.

                                                                 17 February 2003                                                           CPU(8)
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