tests: make a stab at approximating wall-clock times
Vaguely empirical observations:
* ".py" tests are about an order of magnitude faster than ".t" tests
* dividing size by 1000 gives an approximation to wall-clock
run time (in seconds) that is not completely ridiculous.
#!/usr/bin/env python
import errno, os, sys
for f in sys.argv[1:]:
try:
print f, '->', os.readlink(f)
except OSError as err:
if err.errno != errno.EINVAL:
raise
print f, 'not a symlink'
sys.exit(0)