client/tools/avgtime

   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])