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parse_log.py
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parse_log.py
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import os, sys, time
# usage: parse_log.py log-file [socket-index to focus on]
socket_filter = None
if len(sys.argv) >= 3:
socket_filter = sys.argv[2].strip()
if socket_filter == None:
print "scanning for socket with the most packets"
file = open(sys.argv[1], 'rb')
sockets = {}
for l in file:
if not 'our_delay' in l: continue
try:
a = l.strip().split(" ")
socket_index = a[1][:-1]
except:
continue
# msvc's runtime library doesn't prefix pointers
# with '0x'
# if socket_index[:2] != '0x':
# continue
if socket_index in sockets:
sockets[socket_index] += 1
else:
sockets[socket_index] = 1
items = sockets.items()
items.sort(lambda x, y: y[1] - x[1])
count = 0
for i in items:
print '%s: %d' % (i[0], i[1])
count += 1
if count > 5: break
file.close()
socket_filter = items[0][0]
print '\nfocusing on socket %s' % socket_filter
file = open(sys.argv[1], 'rb')
out_file = 'utp.out%s' % socket_filter;
out = open(out_file, 'wb')
delay_samples = 'dots lc rgb "blue"'
delay_base = 'steps lw 2 lc rgb "purple"'
target_delay = 'steps lw 2 lc rgb "red"'
off_target = 'dots lc rgb "blue"'
cwnd = 'steps lc rgb "green"'
window_size = 'steps lc rgb "sea-green"'
rtt = 'lines lc rgb "light-blue"'
metrics = {
'our_delay':['our delay (ms)', 'x1y2', delay_samples],
'upload_rate':['send rate (B/s)', 'x1y1', 'lines'],
'max_window':['cwnd (B)', 'x1y1', cwnd],
'target_delay':['target delay (ms)', 'x1y2', target_delay],
'cur_window':['bytes in-flight (B)', 'x1y1', window_size],
'cur_window_packets':['number of packets in-flight', 'x1y2', 'steps'],
'packet_size':['current packet size (B)', 'x1y2', 'steps'],
'rtt':['rtt (ms)', 'x1y2', rtt],
'off_target':['off-target (ms)', 'x1y2', off_target],
'delay_sum':['delay sum (ms)', 'x1y2', 'steps'],
'their_delay':['their delay (ms)', 'x1y2', delay_samples],
'get_microseconds':['clock (us)', 'x1y1', 'steps'],
'wnduser':['advertised window size (B)', 'x1y1', 'steps'],
'delay_base':['delay base (us)', 'x1y1', delay_base],
'their_delay_base':['their delay base (us)', 'x1y1', delay_base],
'their_actual_delay':['their actual delay (us)', 'x1y1', delay_samples],
'actual_delay':['actual_delay (us)', 'x1y1', delay_samples]
}
histogram_quantization = 1
socket_index = None
columns = []
begin = None
title = "-"
packet_loss = 0
packet_timeout = 0
delay_histogram = {}
window_size = {'0': 0, '1': 0}
# [35301484] 0x00ec1190: actual_delay:1021583 our_delay:102 their_delay:-1021345 off_target:297 max_window:2687 upload_rate:18942 delay_base:1021481154 delay_sum:-1021242 target_delay:400 acked_bytes:1441 cur_window:2882 scaled_gain:2.432
counter = 0
print "reading log file"
for l in file:
if "UTP_Connect" in l:
title = l[:-2]
if socket_filter != None:
title += ' socket: %s' % socket_filter
else:
title += ' sum of all sockets'
continue
try:
a = l.strip().split(" ")
t = a[0][1:-1]
socket_index = a[1][:-1]
except:
continue
# if socket_index[:2] != '0x':
# continue
if socket_filter != None and socket_index != socket_filter:
continue
counter += 1
if (counter % 300 == 0):
print "\r%d " % counter,
if "lost." in l:
packet_loss = packet_loss + 1
continue
if "Packet timeout" in l:
packet_timeout = packet_timeout + 1
continue
if "our_delay:" not in l:
continue
# used for Logf timestamps
# t, m = t.split(".")
# t = time.strptime(t, "%H:%M:%S")
# t = list(t)
# t[0] += 107
# t = tuple(t)
# m = float(m)
# m /= 1000.0
# t = time.mktime(t) + m
# used for tick count timestamps
t = int(t)
if begin is None:
begin = t
t = t - begin
# print time. Convert from milliseconds to seconds
print >>out, '%f\t' % (float(t)/1000.),
#if t > 200000:
# break
fill_columns = not columns
for i in a[2:]:
try:
n, v = i.split(':')
except:
continue
v = float(v)
if n == "our_delay":
bucket = v / histogram_quantization
delay_histogram[bucket] = 1 + delay_histogram.get(bucket, 0)
if not n in metrics: continue
if fill_columns:
columns.append(n)
if n == "max_window":
window_size[socket_index] = v
print >>out, '%f\t' % int(reduce(lambda a,b: a+b, window_size.values())),
else:
print >>out, '%f\t' % v,
print >>out, float(packet_loss * 8000), float(packet_timeout * 8000)
packet_loss = 0
packet_timeout = 0
out.close()
out = open('%s.histogram' % out_file, 'wb')
for d,f in delay_histogram.iteritems():
print >>out, float(d*histogram_quantization) + histogram_quantization / 2, f
out.close()
plot = [
{
'data': ['upload_rate', 'max_window', 'cur_window', 'wnduser', 'cur_window_packets', 'packet_size', 'rtt'],
'title': 'send-packet-size',
'y1': 'Bytes',
'y2': 'Time (ms)'
},
{
'data': ['our_delay', 'max_window', 'target_delay', 'cur_window', 'wnduser', 'cur_window_packets'],
'title': 'uploading',
'y1': 'Bytes',
'y2': 'Time (ms)'
},
{
'data': ['our_delay', 'max_window', 'target_delay', 'cur_window', 'cur_window_packets'],
'title': 'uploading_packets',
'y1': 'Bytes',
'y2': 'Time (ms)'
},
{
'data': ['get_microseconds'],
'title': 'timer',
'y1': 'Time microseconds',
'y2': 'Time (ms)'
},
{
'data': ['their_delay', 'target_delay', 'rtt'],
'title': 'their_delay',
'y1': '',
'y2': 'Time (ms)'
},
{
'data': ['their_actual_delay','their_delay_base'],
'title': 'their_delay_base',
'y1': 'Time (us)',
'y2': ''
},
{
'data': ['our_delay', 'target_delay', 'rtt'],
'title': 'our-delay',
'y1': '',
'y2': 'Time (ms)'
},
{
'data': ['actual_delay', 'delay_base'],
'title': 'our_delay_base',
'y1': 'Time (us)',
'y2': ''
}
]
out = open('utp.gnuplot', 'w+')
files = ''
#print >>out, 'set xtics 0, 20'
print >>out, "set term png size 1280,800"
print >>out, 'set output "%s.delays.png"' % out_file
print >>out, 'set xrange [0:250]'
print >>out, 'set xlabel "delay (ms)"'
print >>out, 'set boxwidth 1'
print >>out, 'set style fill solid'
print >>out, 'set ylabel "number of packets"'
print >>out, 'plot "%s.histogram" using 1:2 with boxes' % out_file
print >>out, "set style data steps"
#print >>out, "set yrange [0:*]"
print >>out, "set y2range [*:*]"
files += out_file + '.delays.png '
#set hidden3d
#set title "Peer bandwidth distribution"
#set xlabel "Ratio"
for p in plot:
print >>out, 'set title "%s %s"' % (p['title'], title)
print >>out, 'set xlabel "time (s)"'
print >>out, 'set ylabel "%s"' % p['y1']
print >>out, "set tics nomirror"
print >>out, 'set y2tics'
print >>out, 'set y2label "%s"' % p['y2']
print >>out, 'set xrange [0:*]'
print >>out, "set key box"
print >>out, "set term png size 1280,800"
print >>out, 'set output "%s-%s.png"' % (out_file, p['title'])
files += '%s-%s.png ' % (out_file, p['title'])
comma = ''
print >>out, "plot",
for c in p['data']:
if not c in metrics: continue
i = columns.index(c)
print >>out, '%s"%s" using 1:%d title "%s-%s" axes %s with %s' % (comma, out_file, i + 2, metrics[c][0], metrics[c][1], metrics[c][1], metrics[c][2]),
comma = ', '
print >>out, ''
out.close()
os.system("gnuplot utp.gnuplot")
os.system("open %s" % files)