IPERF CSV Data Summary Script

Recently I was required to do a network performance test between a Head Office and a WAN site. I knocked up this quick python script to parse the data collect to see the results. Thought it could be handy for others so here it is to download / share.

Download Script

Sample Output:

[plain]
cooper@dfbit:~/scripts/iperf-parse$ ./iperf-summary.py
------------------------------------
-- IPERF CSV Summariser --
-- Cooper Lees <me@cooperlees.com --
------------------------------------
-- SUMMARY --
- 20111212103043 to 20120103090052
- 1004 runs of IPERF
- Averages:
- Average Sent = 2.64M
- Average Received = 2.28M
- Average Send Bandwidth = 985.75K
- Average Receive Bandwidth = 805.12K
- Max Send Bandwidth = 1.08M (at 20111230183021)
- Max Receive Bandwidth = 837.16K (at 20120102113052)
------------------------------------
[/plain]

Code:

[python]
#!/usr/bin/python

# date,sender-ip,sender-port,receiver-ip,receiver-port,id,interval,transfer,bandwidth
# 20111212103043,10.120.15.8,45020,10.120.13.120,5001,5,0.0-21.4,2490368,931080
# 20111212103109,10.120.15.8,5001,10.120.13.120,57022,4,0.0-24.2,2228224,736145

FILENAME = 'client-iperf.log'

RUNS = 1

MAX_BANDWIDTH_SENT = 0
MAX_BANDWIDTH_SENT_DATE = 0
MAX_BANDWIDTH_RECEIVED = 0
MAX_BANDWIDTH_RECEIVED_DATE = 0

TOTAL_BANDWIDTH_SENT = 0
TOTAL_BANDWIDTH_RECEIVED = 0

TOTAL_SENT = 0
TOTAL_RECEIVED = 0

def convert_bytes(bytes):
bytes = float(bytes)
if bytes >= 1099511627776:
terabytes = bytes / 1099511627776
size = '%.2fT' % terabytes
elif bytes >= 1073741824:
gigabytes = bytes / 1073741824
size = '%.2fG' % gigabytes
elif bytes >= 1048576:
megabytes = bytes / 1048576
size = '%.2fM' % megabytes
elif bytes >= 1024:
kilobytes = bytes / 1024
size = '%.2fK' % kilobytes
else:
size = '%.2fb' % bytes
return size

f = open(FILENAME)
l1 = f.readline().strip().split(',')
l2 = f.readline().strip().split(',')
while l2 and l2[0] != '':
if RUNS == 1:
START = l1[0]

BW_SENT = int(l1[8])
BW_RECEIVED = int(l2[8])

TOTAL_SENT = TOTAL_SENT + int(l1[7])
TOTAL_RECEIVED = TOTAL_RECEIVED + int(l2[7])

TOTAL_BANDWIDTH_SENT = TOTAL_BANDWIDTH_SENT + int(l1[8])
TOTAL_BANDWIDTH_RECEIVED = TOTAL_BANDWIDTH_RECEIVED + int(l2[8])

if BW_SENT > MAX_BANDWIDTH_SENT:
MAX_BANDWIDTH_SENT = BW_SENT
MAX_BANDWIDTH_SENT_DATE = l1[0]

if BW_RECEIVED > MAX_BANDWIDTH_RECEIVED:
MAX_BANDWIDTH_RECEIVED = BW_RECEIVED
MAX_BANDWIDTH_RECEIVED_DATE = l2[0]

END = l2[0]
RUNS = RUNS + 1
l1 = f.readline().strip().split(',')
l2 = f.readline().strip().split(',')

f.close()

print "------------------------------------"
print " -- IPERF CSV Summariser -- "
print "-- Cooper Lees <me@cooperlees.com --"
print "------------------------------------"
print "-- SUMMARY --"
print "- %s to %s" % ( START, END )
print "- %d runs of IPERF" % RUNS
print "- Averages:"
print "-tAverage Sentttt= %s" % convert_bytes((TOTAL_SENT / RUNS))
print "-tAverage Receivedtt= %s" % convert_bytes((TOTAL_RECEIVED / RUNS))
print "-tAverage Send Bandwidthtt= %s" % convert_bytes((TOTAL_BANDWIDTH_SENT / RUNS))
print "-tAverage Receive Bandwidtht= %s" % convert_bytes((TOTAL_BANDWIDTH_RECEIVED / RUNS))
print "-tMax Send Bandwidthtt= %s (at %s)" % (convert_bytes((MAX_BANDWIDTH_SENT)), MAX_BANDWIDTH_SENT_DATE)
print "-tMax Receive Bandwidthtt= %s (at %s)" % (convert_bytes((MAX_BANDWIDTH_RECEIVED)), MAX_BANDWIDTH_RECEIVED_DATE)
print "------------------------------------"
[/python]

Cron Job Script to Collect Data:

[bash]
#!/bin/bash

SERVER="x.x.x.x"
LOG="client-iperf.log"
TIME="5"

echo "--> Starting iperf client @ $(date) ..." | tee -a $LOG

if [ "$1" == "-v" ]; then
iperf -t $TIME -c $SERVER -r -y C | tee -a $LOG
else
iperf -t $TIME -c $SERVER -r -y C >> $LOG
fi

echo "--> Finished iperf client @ $(date)" | tee -a $LOG
[/bash]

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