Script to test XFS open()/creat() delays

timecreatefile.py

#!/usr/bin/env python2
#
# Usage: 
# $ cd <xfs_brick>; strace -c python2 /tmp/timecreatefile.py 

import os
import timeit

filename = 'foo'

if os.path.exists(filename):
        print filename, 'exists. Aborting.'
        exit(1)

test = """\
with open("%s", "w"):
        pass
""" % filename

timer = timeit.Timer(test)

for i in range(10):
        print timer.timeit(1)
        os.remove(filename)