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#!/bin/sh
#
# This is an example script for using netperf. Feel free to modify it
# as necessary, but I would suggest that you copy this one first.
#
#
# uncomment the next line if you think the script is broken
#set -x
if [ $# -gt 2 ]; then
echo "try again, correctly -> udp_rr_script hostname [CPU]"
exit 1
fi
if [ $# -eq 0 ]; then
echo "try again, correctly -> udp_rr_script hostname [CPU]"
exit 1
fi
# where the programs are
#NETHOME=/usr/local/netperf
#NETHOME="/opt/netperf"
NETHOME="."
# at what port will netserver be waiting? If you decide to run
# netserver at a differnet port than the default of 12865, then set
# the value of PORT apropriately
#PORT="-p some_other_portnum"
PORT=""
# The test length in seconds
TEST_TIME=60
# How accurate we want the estimate of performance:
# maximum and minimum test iterations (-i)
# confidence level (99 or 95) and interval (percent)
STATS_STUFF="-i 10,2 -I 99,10"
# The socket sizes that we will be testing - -1 means use default
# not much point in changing the socket buffer for a UDP request/
# response test - unless you want to have requests/responses which
# are larger than the default
SOCKET_SIZES="-1"
# The send sizes that we will be using
RR_SIZES="1,1 64,64 100,200 1024,1024"
# if there are two parms, parm one it the hostname and parm two will
# be a CPU indicator. actually, anything as a second parm will cause
# the CPU to be measured, but we will "advertise" it should be "CPU"
if [ $# -eq 2 ]; then
REM_HOST=$1
LOC_CPU="-c"
REM_CPU="-C"
fi
if [ $# -eq 1 ]; then
LOC_CPU=""
REM_CPU=""
REM_HOST=$1
fi
# If we are measuring CPU utilization, then we can save beaucoup
# time by saving the results of the CPU calibration and passing
# them in during the real tests. So, we execute the new CPU "tests"
# of netperf and put the values into shell vars.
case $LOC_CPU in
\-c) LOC_RATE=`$NETHOME/netperf $PORT -t LOC_CPU`;;
*) LOC_RATE=""
esac
case $REM_CPU in
\-C) REM_RATE=`$NETHOME/netperf $PORT -t REM_CPU -H $REM_HOST`;;
*) REM_RATE=""
esac
# This turns-off the display headers
NO_HDR="-P 0"
for SOCKET_SIZE in $SOCKET_SIZES
do
for RR_SIZE in $RR_SIZES
do
echo
echo ------------------------------------------------------
echo Testing with the following command line:
echo $NETHOME/netperf $PORT -l $TEST_TIME -H $REM_HOST $STATS_STUFF \
$LOC_CPU $LOC_RATE $REM_CPU $REM_RATE -t UDP_RR --\
-r $RR_SIZE -s $SOCKET_SIZE -S $SOCKET_SIZE
$NETHOME/netperf $PORT -l $TEST_TIME -H $REM_HOST $STATS_STUFF \
$LOC_CPU $LOC_RATE $REM_CPU $REM_RATE -t UDP_RR $NO_HDR --\
-r $RR_SIZE -s $SOCKET_SIZE -S $SOCKET_SIZE
done
done
echo
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