grapher.py

#!/usr/bin/env python

import matplotlib.pyplot as plt
import pylab as pl
import numpy as np
import os

import sys

data = {}

for i in sys.stdin.readlines():
  (k, v) = i.split(" ")
  data[os.path.basename(k)] = int(v)

figure = plt.figure()
ind = np.arange(len(data.values()))
plt.bar(ind, data.values())
plt.xticks(ind + 0.5, data.keys(), rotation=90)

figure.set_size_inches(40,30)
figure.subplots_adjust(bottom=0.2)
figure.savefig("out.pdf",format="pdf")

parse.sh

#/bin/sh

[ $# -ne 1 ] && echo "Usage:\n\t$0 mochitest-output" && exit 1

grep "finished in" $1 | sed 's/^ //' | cut -d ' ' -f 6,10 | sed 's/ms$//' | python grapher.py

echo "graph written to out.pdf"