forked from premiere/premiere-libtorrent
126 lines
3.4 KiB
Python
126 lines
3.4 KiB
Python
import os, sys, time
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# usage: memory.log memory_index.log
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lines = open(sys.argv[1], 'rb').readlines()
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index = open(sys.argv[2], 'rb').readlines()
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# logfile format:
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# #<allocation-point> <time(ms)> <key ('A' | 'F')> <address> <size> <total-size> <total-space-time> <peak-total-size>
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# example:
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# #12 38 A 0xd902a0 16 16 0 16
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allocation_points_to_print = 30
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def print_allocation_point(ap):
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print 'space_time: %d kBms' % (ap['spacetime'] / 1024)
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print 'allocations: %d' % ap['allocations']
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print 'peak: %d kB' % (ap['peak'] / 1024)
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print 'stack: '
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counter = 0
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for e in ap['stack']:
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print '#%d %s' % (counter, e)
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counter += 1
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allocation_points = []
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for l in index:
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l = l.split('#')
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l.pop(0)
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ap = { 'allocations': 0, 'peak': 0, 'spacetime': 0, 'allocation_point': len(allocation_points), 'stack': l}
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allocation_points.append(ap);
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for l in lines:
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l = l.lstrip('#').rstrip('\n').split(' ')
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if len(l) != 8:
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print l
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continue
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try:
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ap = int(l[0])
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allocation_points[ap]['allocations'] += 1
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allocation_points[ap]['peak'] = int(l[7])
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allocation_points[ap]['spacetime'] = int(l[6])
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except Exception, e:
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print type(e), e, l
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print '=== space time ==='
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hot_ap = []
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allocation_points.sort(key = lambda x:x['spacetime'], reverse=True);
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counter = 0
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for ap in allocation_points[0:allocation_points_to_print]:
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print '== %d ==' % counter
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counter += 1
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print_allocation_point(ap)
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hot_ap.append(ap['allocation_point']);
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print '=== allocations ==='
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allocation_points.sort(key = lambda x:x['allocations'], reverse=True);
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for ap in allocation_points[0:allocation_points_to_print]:
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print_allocation_point(ap)
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print '=== peak ==='
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allocation_points.sort(key = lambda x:x['peak'], reverse=True);
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for ap in allocation_points[0:allocation_points_to_print]:
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print_allocation_point(ap)
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# generate graph
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lines = open(sys.argv[1], 'rb').readlines()
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out = open('memory.dat', 'wb')
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cur_line = [0] * allocation_points_to_print
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prev_line = [0] * allocation_points_to_print
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last_time = 0
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for l in lines:
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l = l.lstrip('#').rstrip('\n').split(' ')
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if len(l) != 8:
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print l
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continue
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try:
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time = int(l[1])
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if time != last_time:
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print >>out, last_time, '\t',
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for i in range(allocation_points_to_print):
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if cur_line[i] == -1:
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print >>out, prev_line[i], '\t',
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else:
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print >>out, cur_line[i], '\t',
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prev_line[i] = cur_line[i]
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print >>out
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cur_line = [-1] * allocation_points_to_print
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last_time = time
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size = int(l[5])
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ap = int(l[0])
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if ap in hot_ap:
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index = hot_ap.index(ap)
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cur_line[index] = max(cur_line[index], size)
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except Exception, e:
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print type(e), e, l
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out.close()
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out = open('memory.gnuplot', 'wb')
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print >>out, "set term png size 1200,700"
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print >>out, 'set output "memory.png"'
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print >>out, 'set xrange [0:*]'
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print >>out, 'set xlabel "time (ms)"'
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print >>out, 'set ylabel "bytes (B)"'
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print >>out, "set style data lines"
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print >>out, "set key box"
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print >>out, 'plot',
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for k in range(allocation_points_to_print):
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print >>out, ' "memory.dat" using 1:(',
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for i in range(k, allocation_points_to_print):
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if i == k: print >>out, '$%d' % (i + 2),
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else: print >>out, '+$%d' % (i + 2),
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print >>out, ') title "%d" with filledcurves x1, \\' % k
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print >>out, 'x=0'
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out.close()
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os.system('gnuplot memory.gnuplot');
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