1#!/bin/sh
2#
3# This is an example script for using netperf. Feel free to modify it
4# as necessary, but I would suggest that you copy this one first.
5#
6#
7# uncomment the next line if you think the script is broken
8#set -x
9
10
11if [ $# -gt 2 ]; then
12  echo "try again, correctly -> udp_rr_script hostname [CPU]"
13  exit 1
14fi
15
16if [ $# -eq 0 ]; then
17  echo "try again, correctly -> udp_rr_script hostname [CPU]"
18  exit 1
19fi
20
21# where the programs are
22
23#NETHOME=/usr/local/netperf
24#NETHOME="/opt/netperf"
25NETHOME="."
26
27# at what port will netserver be waiting? If you decide to run
28# netserver at a differnet port than the default of 12865, then set
29# the value of PORT apropriately
30#PORT="-p some_other_portnum"
31PORT=""
32
33
34# The test length in seconds
35
36TEST_TIME=60
37
38# How accurate we want the estimate of performance:
39#      maximum and minimum test iterations (-i)
40#      confidence level (99 or 95) and interval (percent)
41
42STATS_STUFF="-i 10,2 -I 99,10"
43
44# The socket sizes that we will be testing - -1 means use default
45# not much point in changing the socket buffer for a UDP request/
46# response test - unless you want to have requests/responses which
47# are larger than the default
48
49SOCKET_SIZES="-1"
50
51# The send sizes that we will be using
52
53RR_SIZES="1,1 64,64 100,200 1024,1024"
54
55# if there are two parms, parm one it the hostname and parm two will
56# be a CPU indicator. actually, anything as a second parm will cause
57# the CPU to be measured, but we will "advertise" it should be "CPU"
58
59if [ $# -eq 2 ]; then
60  REM_HOST=$1
61  LOC_CPU="-c"
62  REM_CPU="-C"
63fi
64
65if [ $# -eq 1 ]; then
66  LOC_CPU=""
67  REM_CPU=""
68  REM_HOST=$1
69fi
70
71# If we are measuring CPU utilization, then we can save beaucoup
72# time by saving the results of the CPU calibration and passing
73# them in during the real tests. So, we execute the new CPU "tests"
74# of netperf and put the values into shell vars.
75case $LOC_CPU in
76\-c) LOC_RATE=`$NETHOME/netperf $PORT -t LOC_CPU`;;
77*) LOC_RATE=""
78esac
79
80case $REM_CPU in
81\-C) REM_RATE=`$NETHOME/netperf $PORT -t REM_CPU -H $REM_HOST`;;
82*) REM_RATE=""
83esac
84
85# This turns-off the display headers
86NO_HDR="-P 0"
87
88for SOCKET_SIZE in $SOCKET_SIZES
89do
90  for RR_SIZE in $RR_SIZES
91  do
92  echo
93  echo ------------------------------------------------------
94  echo Testing with the following command line:
95  echo $NETHOME/netperf $PORT -l $TEST_TIME -H $REM_HOST $STATS_STUFF \
96                  $LOC_CPU $LOC_RATE $REM_CPU $REM_RATE -t UDP_RR --\
97                  -r $RR_SIZE -s $SOCKET_SIZE -S $SOCKET_SIZE
98  $NETHOME/netperf $PORT -l $TEST_TIME -H $REM_HOST $STATS_STUFF \
99    $LOC_CPU $LOC_RATE $REM_CPU $REM_RATE -t UDP_RR $NO_HDR --\
100                  -r $RR_SIZE -s $SOCKET_SIZE -S $SOCKET_SIZE
101  done
102done
103echo
104