forked from premiere/premiere-libtorrent
90 lines
2.1 KiB
Python
Executable File
90 lines
2.1 KiB
Python
Executable File
#!/bin/python
|
|
|
|
import os, sys, time
|
|
|
|
lines = open(sys.argv[1], 'rb').readlines()
|
|
|
|
# logfile format:
|
|
# <time(ms)> <key>: <value>
|
|
# example:
|
|
# 16434 read cache: 17
|
|
|
|
keys = ['read', 'write', 'head movement', 'seek per read byte', 'seek per written byte']
|
|
colors = ['70e070', 'e07070', '3030f0', '10a010', 'a01010']
|
|
style = ['linespoints', 'points pointtype 2', 'lines', 'lines', 'lines']
|
|
axis = ['x1y1', 'x1y1', 'x1y2', 'x1y2', 'x1y2']
|
|
plot = [True, False, False, False, False]
|
|
|
|
out = open('disk_access_log.dat', 'w+')
|
|
|
|
time = 1000
|
|
|
|
last_pos = 0
|
|
last_t = 0
|
|
cur_movement = 0
|
|
cur_read = 0
|
|
cur_write = 0
|
|
|
|
for l in lines:
|
|
try:
|
|
# strip newline
|
|
l = l[0:-1].split(' ')
|
|
t = int(l[0])
|
|
k = l[1]
|
|
n = int(l[2])
|
|
except:
|
|
print l
|
|
continue
|
|
|
|
read = '-'
|
|
write = '-'
|
|
movement = '-'
|
|
amount_read = '-'
|
|
amount_write = '-'
|
|
if k == 'read': read = '%d' % n
|
|
if k == 'write': write = '%d' % n
|
|
if k == 'read_end': cur_read += n - last_pos
|
|
if k == 'write_end': cur_write += n - last_pos
|
|
|
|
cur_movement += abs(last_pos - n)
|
|
last_pos = n
|
|
|
|
if last_t + time <= t:
|
|
movement = '%d' % cur_movement
|
|
if cur_read > 0:
|
|
amount_read = '%d' % (cur_movement / cur_read)
|
|
if cur_write > 0:
|
|
amount_write = '%d' % (cur_movement / cur_write)
|
|
cur_movement = 0
|
|
cur_read = 0
|
|
cur_write = 0
|
|
last_t = t
|
|
|
|
print >>out, '%d\t%s\t%s\t%s\t%s\t%s' % (t, read, write, movement, amount_read, amount_write)
|
|
|
|
out.close()
|
|
|
|
out = open('disk_access.gnuplot', 'wb')
|
|
print >>out, "set term png size 600,300"
|
|
print >>out, 'set output "disk_access.png"'
|
|
print >>out, 'set xrange [*:*]'
|
|
#print >>out, 'set y2range [0:*]'
|
|
print >>out, 'set xlabel "time (ms)"'
|
|
print >>out, 'set ylabel "file position"'
|
|
#print >>out, 'set y2label "bytes / %d second(s)"' % (time / 1000)
|
|
print >>out, "set key box"
|
|
print >>out, "set tics nomirror"
|
|
#print >>out, "set y2tics 100"
|
|
print >>out, 'plot',
|
|
count = 1
|
|
for k in keys:
|
|
count += 1
|
|
if not plot[count-2]: continue
|
|
print >>out, ' "disk_access_log.dat" using 1:%d title "%s" with %s lt rgb "#%s" axis %s,' \
|
|
% (count, k, style[count-2], colors[count-2], axis[count-2]),
|
|
print >>out, 'x=0'
|
|
out.close()
|
|
|
|
os.system('gnuplot disk_access.gnuplot')
|
|
|