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| 1 | # -*- coding: utf8 -*- | |
| 2 | ||
| 3 | from time import time | |
| 4 | from sys import argv | |
| 5 | ||
| 6 | open_us = read_us = close_us = 0 | |
| 7 | ||
| 8 | for file in argv[1:]: | |
| 9 | start = time() | |
| 10 | with open(file) as f: | |
| 11 | opened = time() | |
| 12 | _ = f.read(4096) | |
| 13 | read = time() | |
| 14 | end = time() | |
| 15 | ||
| 16 | this_open_us = (opened - start) * 1000000 | |
| 17 | this_read_us = (read - opened) * 1000000 | |
| 18 | this_close_us = (read - opened) * 1000000 | |
| 19 | print "%s: %dµs + %dus + %dµs" % (file, this_open_us, this_read_us, this_close_us) | |
| 20 | ||
| 21 | open_us += this_open_us | |
| 22 | read_us += this_read_us | |
| 23 | close_us += this_close_us | |
| 24 | ||
| 25 | count = len(argv) - 1 | |
| 26 | open_us /= count | |
| 27 | read_us /= count | |
| 28 | close_us /= count | |
| 29 | - | print "Avg Latency: %dµs + %dµs + %dµs = %dµs" % (open_us, this_read_us, close_us, open_us + read_us + close_us) |
| 29 | + | |
| 30 | print "Avg Latency: %dµs + %dµs + %dµs = %dµs" % (open_us, read_us, close_us, open_us + read_us + close_us) |
