52 lines
1.1 KiB
Python
52 lines
1.1 KiB
Python
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#!/usr/bin/python
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import sys
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import os
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quantize = 200
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max_rtt = 10000
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f = open(sys.argv[1])
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distribution = {}
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num_messages = 0
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for i in range(0, max_rtt, quantize):
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distribution[i] = 0
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for line in f:
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time = int(line.split('\t')[1])
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if (time < 0 or time > max_rtt): continue
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num_messages += 1
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time /= quantize
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time *= quantize
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distribution[time] += 1
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f = open('round_trip_distribution.log', 'w+')
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for k, v in distribution.items():
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print >>f, '%f %d' % ((k + (quantize / 2)) / 1000.0, v)
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f.close();
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f = open('round_trip_distribution.gnuplot', 'w+')
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f.write('''
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set term png size 1200,700
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set title "Message round trip times"
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set terminal postscript
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set ylabel "# of requests"
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set xlabel "Round trip time (seconds)"
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set grid
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set style fill solid border -1 pattern 2
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set output "round_trip_distribution.ps"
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set boxwidth %f
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plot "round_trip_distribution.log" using 1:2 title "requests" with boxes
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set terminal png small
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set output "round_trip_distribution.png"
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replot
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''' % (float(quantize) / 1000.0))
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f.close()
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os.system('gnuplot round_trip_distribution.gnuplot');
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