profile_maven.py

#!/usr/bin/python

import fileinput
import re
import time
import subprocess, os, sys

def ctime():
	return int(time.time() * 1000)


p = subprocess.Popen(sys.argv[1:], stdout=subprocess.PIPE)

goals = []
cur = None
for line in iter(p.stdout.readline, b''):
	m = re.match('^\[INFO\] --- ([a-z0-9\:\.\-]+) \([a-z0-9\-]+\) \@ ([a-z0-9\:\.\-]+) ---', line)
	if m:
		cur = {'module': m.group(2), 'goal': m.group(1), 't': ctime()}
		goals.append(cur)
goals.append({'module': 'finished', 'goal': '', 't': ctime()})

first_ts = goals[0]['t']

print("\n\n--- build results ---")
print("start\tduration\tmodule\tgoal")
for current, next in zip(goals, goals[1:]):
	absolute = current['t'] - first_ts
	diff = next['t'] - current['t']
	print("%d\t%d\t%s\t%s" % (absolute, diff, current['module'], current['goal']))

Run with python profile_maven.py mvn clean install