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 # This script performs various UDP unidirectional stream tests. 6 # 7 8 if [ $# -gt 2 ]; then 9 echo "try again, correctly -> udp_stream_script hostname [CPU]" 10 exit 1 11 fi 12 13 if [ $# -eq 0 ]; then 14 echo "try again, correctly -> udp_stream_script hostname [CPU]" 15 exit 1 16 fi 17 18 # where the programs are 19 20 #NETHOME=/usr/local/netperf 21 #NETHOME="/opt/netperf" 22 NETHOME="." 23 24 # at what port will netserver be waiting? If you decide to run 25 # netserver at a differnet port than the default of 12865, then set 26 # the value of PORT apropriately 27 #PORT="-p some_other_portnum" 28 PORT="" 29 30 # The test length in seconds 31 TEST_TIME=60 32 33 # How accurate we want the estimate of performance: 34 # maximum and minimum test iterations (-i) 35 # confidence level (99 or 95) and interval (percent) 36 37 STATS_STUFF="-i 10,2 -I 99,10" 38 39 # The socket sizes that we will be testing. This should be a list of 40 # integers separated by spaces 41 42 SOCKET_SIZES="32768" 43 44 # The send sizes that we will be using. Using send sizes that result 45 # in UDP packets which are larger than link size can be a bad thing to do. 46 # for FDDI, you can tack-on a 4096 data point 47 48 SEND_SIZES="64 1024 1472" 49 50 # if there are two parms, parm one it the hostname and parm two will 51 # be a CPU indicator. actually, anything as a second parm will cause 52 # the CPU to be measured, but we will "advertise" it should be "CPU" 53 54 if [ $# -eq 2 ]; then 55 REM_HOST=$1 56 LOC_CPU="-c" 57 REM_CPU="-C" 58 fi 59 60 if [ $# -eq 1 ]; then 61 LOC_CPU="" 62 REM_CPU="" 63 REM_HOST=$1 64 fi 65 66 # If we are measuring CPU utilization, then we can save beaucoup 67 # time by saving the results of the CPU calibration and passing 68 # them in during the real tests. So, we execute the new CPU "tests" 69 # of netperf and put the values into shell vars. 70 case $LOC_CPU in 71 \-c) LOC_RATE=`$NETHOME/netperf $PORT -t LOC_CPU`;; 72 *) LOC_RATE="" 73 esac 74 75 case $REM_CPU in 76 \-C) REM_RATE=`$NETHOME/netperf $PORT -t REM_CPU -H $REM_HOST`;; 77 *) REM_RATE="" 78 esac 79 80 # This will tell netperf that headers are not to be displayed 81 NO_HDR="-P 0" 82 83 for SOCKET_SIZE in $SOCKET_SIZES 84 do 85 for SEND_SIZE in $SEND_SIZES 86 do 87 echo 88 echo ------------------------------------------------------ 89 echo Testing with the following command line: 90 echo $NETHOME/netperf $PORT -l $TEST_TIME -H $REM_HOST $STATS_STUFF \ 91 $LOC_CPU $LOC_RATE $REM_CPU $REM_RATE -t UDP_STREAM -- \ 92 -m $SEND_SIZE -s $SOCKET_SIZE -S $SOCKET_SIZE 93 94 $NETHOME/netperf $PORT -l $TEST_TIME -H $REM_HOST $STATS_STUFF \ 95 $LOC_CPU $LOC_RATE $REM_CPU $REM_RATE -t UDP_STREAM -- \ 96 -m $SEND_SIZE -s $SOCKET_SIZE -S $SOCKET_SIZE 97 98 done 99 done 100 echo 101
