1 #!/usr/bin/python 2 import sys, os, re 3 4 def avg_deviation(values): 5 sum = 0 6 count = 0 7 8 if not values: 9 return (0, 0) 10 for x in values: 11 sum += x 12 count += 1 13 average = sum / count 14 sum_sq_dev = 0 15 for x in values: 16 sum_sq_dev += (x - average) ** 2 17 std_dev = (sum_sq_dev / count)**0.5 18 return (average, 100 * std_dev / average) 19 20 21 list = [] 22 for line in sys.stdin.readlines(): 23 (user, system, elapsed, cpu) = line.split()[0:4] 24 user = float(re.match(r'([\d\.]+)', user).group(0)) 25 system = float(re.match(r'([\d\.]+)', system).group(0)) 26 m = re.match(r'(\d+):([\d\.]+)', elapsed) 27 elapsed = 60*int(m.group(1)) + float(m.group(2)) 28 cpu = int(re.match(r'(\d+)', cpu).group(0)) 29 30 list.append((user, system, elapsed, cpu)) 31 32 print " user: %0.2fs (%0.2f%%)" % avg_deviation([x[0] for x in list]) 33 print " system: %0.2fs (%0.2f%%)" % avg_deviation([x[1] for x in list]) 34 print "elapsed: %0.2fs (%0.2f%%)" % avg_deviation([x[2] for x in list]) 35 print " cpu: %d%% (%0.2f%%)" % avg_deviation([x[3] for x in list]) 36
