forked from premiere/premiere-libtorrent
96 lines
2.6 KiB
Python
Executable File
96 lines
2.6 KiB
Python
Executable File
#!/bin/python
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# Copyright Arvid Norberg 2008. Use, modification and distribution is
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# subject to the Boost Software License, Version 1.0. (See accompanying
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# file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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import os, sys, time
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lines = open(sys.argv[1], 'rb').readlines()
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if len(sys.argv) < 2:
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print "usage: parse_disk_log.py logfile [seconds]"
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sys.exit(1)
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keys = ['write', 'read', 'hash', 'move', 'release', 'idle', 'delete', 'check_fastresume', 'check_files', 'clear-cache', 'abort_thread', 'abort_torrent', 'save_resume_data', 'rename_file', 'flushing']
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throughput_keys = ['write', 'read']
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# logfile format:
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# <time(ms)> <state>
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# example:
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# 34523 idle
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# 34722 write
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if len(sys.argv) > 2:
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quantization = long(sys.argv[2]) * 1000
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else:
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quantization = 5000
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out = open('disk_io.dat', 'wb')
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out2 = open('disk_throughput.dat', 'wb')
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state = 'idle'
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time = 0
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i = 0
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state_timer = {}
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throughput = {}
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for k in keys: state_timer[k] = 0
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for k in throughput_keys: throughput[k] = 0
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for l in lines:
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l = l.strip().split()
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if len(l) < 2:
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print l
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continue
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# try:
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new_time = long(l[0])
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while new_time > i + quantization:
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i += quantization
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state_timer[state] += i - time
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time = i
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for k in keys: print >>out, (state_timer[k] / float(quantization) * 100.),
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print >>out
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for k in throughput_keys: print >>out2, throughput[k] / float(quantization),
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print >>out2
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for k in keys: state_timer[k] = 0
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for k in throughput_keys: throughput[k] = 0
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state_timer[state] += new_time - time
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time = new_time
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state = l[1]
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if state in throughput_keys:
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throughput[state] += long(l[2])
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# except:
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# print l
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out.close()
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out2.close()
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out = open('disk_io.gnuplot', 'wb')
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print >>out, "set term png size 1200,700"
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print >>out, 'set output "disk_throughput.png"'
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print >>out, 'set title "disk throughput per %s second(s)"' % (quantization / 1000)
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print >>out, 'set ylabel "throughput (kB/s)"'
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print >>out, 'plot',
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i = 0
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for k in throughput_keys:
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print >>out, ' "disk_throughput.dat" using %d title "%s" with lines,' % (i + 1, throughput_keys[i]),
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i = i + 1
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print >>out, 'x=0'
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print >>out, 'set output "disk_io.png"'
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print >>out, 'set ylabel "utilization (%)"'
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print >>out, 'set xrange [0:*]'
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print >>out, 'set title "disk io utilization per %s second(s)"' % (quantization / 1000)
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print >>out, "set key box"
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print >>out, "set style data histogram"
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print >>out, "set style histogram rowstacked"
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print >>out, "set style fill solid"
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print >>out, 'plot',
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i = 0
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for k in keys:
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if k != 'idle':
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print >>out, ' "disk_io.dat" using %d title "%s",' % (i + 1, keys[i]),
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i = i + 1
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print >>out, 'x=0'
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out.close()
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os.system('gnuplot disk_io.gnuplot');
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