microbench/microbench.py

   1 #!/usr/bin/python
   2
   3 import os, subprocess, sys, time
   4
   5 MNTDIR = '/mnt/bluesky'
   6 SERVER = 'c09-45.sysnet.ucsd.edu'
   7
   8 class TestClient:
   9     def setup_client(self, export):
  10         subprocess.check_call(['mount', '-t', 'nfs',
  11                                '-o', 'vers=3,tcp,rw,soft,intr',
  12                                export, MNTDIR])
  13
  14     def cleanup_client(self):
  15         subprocess.check_call(['umount', '-f', MNTDIR])
  16
  17     def run(self, export):
  18         self.setup_client(export)
  19         try:
  20             results = self.run_test()
  21         finally:
  22             self.cleanup_client()
  23         return results
  24
  25 class BlueSkyServer:
  26     def setup_server(self):
  27         subprocess.call(['ssh', SERVER, ''])
  28
  29 class SerialStat(TestClient):
  30     """Call stat() on a set of files sequentially and measure the response time
  31     for each call."""
  32
  33     def run_test(self):
  34         files = [MNTDIR + "/file-%d" % (i,) for i in range(8)]
  35
  36         times = []
  37         for f in files:
  38             start = time.time()
  39             os.stat(f)
  40             times.append(time.time() - start)
  41
  42         return times
  43
  44 if __name__ == '__main__':
  45     test = SerialStat()
  46     print test.run('niniel.sysnet.ucsd.edu:/export')