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improved disk read performance and fixed bug in storage_interface's backwards compatibility functions

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Arvid Norberg
2009-09-05 07:21:10 +00:00
parent c7b1d7e7d6
commit bec481acdf
14 changed files with 484 additions and 24 deletions
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14
parse_disk_access.py
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@@ -11,9 +11,9 @@ lines = open(sys.argv[1], 'rb').readlines()
keys = ['read', 'write', 'head movement', 'seek per read byte', 'seek per written byte']
colors = ['70e070', 'e07070', '3030f0', '10a010', 'a01010']
style = ['points pointtype 1', 'points pointtype 2', 'lines', 'lines', 'lines']
style = ['linespoints', 'points pointtype 2', 'lines', 'lines', 'lines']
axis = ['x1y1', 'x1y1', 'x1y2', 'x1y2', 'x1y2']
plot = [True, True, False, True, True]
plot = [True, False, False, False, False]
out = open('disk_access_log.dat', 'w+')
@@ -65,16 +65,16 @@ for l in lines:
out.close()
out = open('disk_access.gnuplot', 'wb')
print >>out, "set term png size 1200,700"
print >>out, "set term png size 600,300"
print >>out, 'set output "disk_access.png"'
print >>out, 'set xrange [0:*]'
print >>out, 'set y2range [0:*]'
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 y2label "bytes / %d second(s)"' % (time / 1000)
print >>out, "set key box"
print >>out, "set tics nomirror"
print >>out, "set y2tics 100"
#print >>out, "set y2tics 100"
print >>out, 'plot',
count = 1
for k in keys: