premiere-libtorrent/tools/parse_buffer_log.py

99 lines
3.3 KiB
Python
Executable File

#!/usr/bin/env python
# Copyright Arvid Norberg 2008. Use, modification and distribution is
# subject to the Boost Software License, Version 1.0. (See accompanying
# file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
from __future__ import print_function
import os
import sys
lines = open(sys.argv[1], 'rb').readlines()
# keys = ['send_buffer_utilization']
keys = ['send_buffer_size', 'used_send_buffer', 'protocol_buffer']
# keys = ['send_buffer_alloc', 'send_buffer', 'allocate_buffer_alloc', 'allocate_buffer', 'protocol_buffer']
# keys = ['send_buffer_alloc', 'send_buffer', 'allocate_buffer_alloc', 'allocate_buffer', 'protocol_buffer',
# 'append_send_buffer']
average = ['send_buffer_utilization', 'send_buffer_size', 'used_send_buffer']
average_interval = 120000
render = 'lines'
time_limit = -1
if len(sys.argv) > 2:
time_limit = int(sys.argv[2])
# logfile format:
# <time(ms)> <key> <value>
# example:
# 16434 allocate_buffer: 17
for k in keys:
last_sample = 0
average_accumulator = 0
average_samples = 0
peak = 0
out = open(k + '.dat', 'wb')
eval_average = False
if k in average:
eval_average = True
peak_out = open(k + '_peak.dat', 'wb')
for line in lines:
line = line.split(' ')
if len(line) != 3:
print(line)
continue
try:
if line[1] == k + ':':
if time_limit != -1 and int(line[0]) > time_limit:
break
time = line[0]
value = line[2]
if eval_average:
while int(time) > last_sample + average_interval:
last_sample = last_sample + average_interval
if average_samples < 1:
average_samples = 1
print('%d %f' % (last_sample, average_accumulator / average_samples), file=out)
print('%d %f' % (last_sample, peak), file=peak_out)
average_accumulator = 0
average_samples = 0
peak = 0
average_accumulator = average_accumulator + float(value)
average_samples = average_samples + 1
if float(value) > peak:
peak = float(value)
else:
print(time + ' ' + value, end=' ', file=out)
except BaseException:
print(line)
out.close()
peak_out.close()
out = open('send_buffer.gnuplot', 'wb')
print("set term png size 1200,700", file=out)
print('set output "send_buffer.png"', file=out)
print('set xrange [0:*]', file=out)
print('set xlabel "time (ms)"', file=out)
print('set ylabel "bytes (B)"', file=out)
print("set style data lines", file=out)
print("set key box", file=out)
print('plot', end=' ', file=out)
for k in keys:
if k in average:
print(' "%s.dat" using 1:2 title "%s %d seconds average" with %s,' %
(k, k, average_interval / 1000., render), end=' ', file=out)
print(' "%s_peak.dat" using 1:2 title "%s %d seconds peak" with %s,' %
(k, k, average_interval / 1000., render), end=' ', file=out)
else:
print(' "%s.dat" using 1:2 title "%s" with %s,' % (k, k, render), end=' ', file=out)
print('x=0', file=out)
out.close()
os.system('gnuplot send_buffer.gnuplot')