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#!/usr/bin/python
# numpy is love
import numpy
import subprocess
import string
import sys
# get the filename
if len(sys.argv) > 1:
fname = sys.argv[1]
else:
fname = "startup-times.dat"
# read the data
revno_to_times = {}
for line in map(string.strip, open(fname)):
if line.startswith("#") or line == "":
continue
try:
(revno, time) = line.split()
time = float(time)
except:
#print "invalid line: '%s'" % line
continue
if not revno in revno_to_times:
revno_to_times[revno] = []
revno_to_times[revno].append(float(time))
# generate data suitable for gnuplot
outfile = open("startup-times-gnuplot.dat", "w")
outfile.write("#revno average-time ymin, ymax\n")
for revno, times in sorted(revno_to_times.iteritems()):
#print revno, numpy.mean(times), numpy.std(times), numpy.var(times)
outfile.write("%s %s %s %s\n" % (
revno, numpy.mean(times), numpy.min(times), numpy.max(times)))
outfile.close()
# call gnuplot
subprocess.call(["gnuplot","gnuplot.plot"])
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