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Full Discussion: Calculate the average per block.
Top Forums Shell Programming and Scripting Calculate the average per block. Post 303038004 by Chubler_XL on Tuesday 20th of August 2019 04:32:00 PM
Old 08-20-2019
Funny that you call that script a one liner, but I suppose you did fit it all on one line, lol.

I hate all the escaping involved in sending scripts over ssh so I used a quoted heredoc in this solution. The ip and sar commands are passed as input to a single awk using process substitution.

You were a little unclear on the time range required, here for simplicity I avoided using gawk's time functions and simply matched anything for the current hour:

Code:
while read i
do
   echo -n $i","
   echo -n $i,|cut -c1-7 -n
   ssh $i <<'EOF'
       awk -v T=$(date +%H) '
          FNR==1 { file++ }
          !f && file==1 && $0 ~ "(127.127|128.128)" { f=$NF }
          file==2 && $3==f {
             H=(($2=="PM")?12:0) + substr($1,0,2)
             if (H==T) {
                 tot+=$4
                 cnt++
             }
          }
          END {
             if(cnt) print tot / cnt * 8 / 1000 " Mbps"
             else print "0 Mbps"
          }
       ' <(/sbin/ip a) <(sar -n DEV)
EOF
done < /home/ave2.list | sed 'N;s/\n/, /' > /home/rawdata2.log

Last edited by Chubler_XL; 08-20-2019 at 05:41 PM.. Reason: Formatting
 

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LEARN ABOUT DEBIAN

smokeping_matchers_avgratio

..::lib::Smokeping::matchers::Avgratio(3)			     SmokePing				 ..::lib::Smokeping::matchers::Avgratio(3)

NAME

       Smokeping::matchers::Avgratio - detect changes in average median latency

OVERVIEW

       The Avgratio matcher establishes a historic average median latency over several measurement rounds. It compares this average, against a
       second average latency value again build over several rounds of measurement.

DESCRIPTION

       Call the matcher with the following sequence:

	type = matcher
	pattern =  Avgratio(historic=>a,current=>b,comparator=>o,percentage=>p)

       historic
	   The number of median values to use for building the 'historic' average.

       current
	   The number of median values to use for building the 'current' average.

       comparator
	   Which comparison operator should be used to compare current/historic with percentage.

       percentage
	   Right hand side of the comparison.

	 old <--- historic ---><--- current ---> now

EXAMPLE

       Take build the average median latency over 10 samples, use this to divide the current average latency built over 2 samples and check if it
       is bigger than 150%.

	Avgratio(historic=>10,current=>2,comparator=>'>',percentage=>150);

	avg(current)/avg(historic) > 150/100

       This means the matcher will activate when the current latency average is more than 1.5 times the historic latency average established over
       the last 10 rounds of measurement.

COPYRIGHT

       Copyright (c) 2004 by OETIKER+PARTNER AG. All rights reserved.

SPONSORSHIP

       The development of this matcher has been sponsored by Virtela Communications, <http://www.virtela.net/>.

LICENSE

       This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by
       the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

       This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

       You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation,
       Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

AUTHOR

       Tobias Oetiker <tobi@oetiker.ch>

2.6.8								    2012-02-26				 ..::lib::Smokeping::matchers::Avgratio(3)
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