excessive duplicate lines in osprofiler output

[Walt Boring]

I'm currently working on upgrading my unit tests for the multi-attach db migration script. I'm getting errors in my migraton script and the output has an excessive amount of duplicate lines being dumped because of the osprofiler being enabled by default in cinder.

For example, one of the unit test failures

Traceback (most recent call last):
  File "/home/waboring/cinder/cinder/tests/test_volume.py", line 1644, in test_run_attach_detach_shareable_volume_for_hosts
    'rw')
  File "/home/waboring/cinder/.venv/local/lib/python2.7/site-packages/osprofiler/profiler.py", line 105, in wrapper
    return f(*args, **kwargs)
  File "/home/waboring/cinder/.venv/local/lib/python2.7/site-packages/osprofiler/profiler.py", line 105, in wrapper
    return f(*args, **kwargs)
  File "/home/waboring/cinder/.venv/local/lib/python2.7/site-packages/osprofiler/profiler.py", line 105, in wrapper
    return f(*args, **kwargs)
  File "/home/waboring/cinder/.venv/local/lib/python2.7/site-packages/osprofiler/profiler.py", line 105, in wrapper
    return f(*args, **kwargs)
  File "/home/waboring/cinder/.venv/local/lib/python2.7/site-packages/osprofiler/profiler.py", line 105, in wrapper
    return f(*args, **kwargs)
  File "/home/waboring/cinder/.venv/local/lib/python2.7/site-packages/osprofiler/profiler.py", line 105, in wrapper
    return f(*args, **kwargs)
  File "/home/waboring/cinder/.venv/local/lib/python2.7/site-packages/osprofiler/profiler.py", line 105, in wrapper
    return f(*args, **kwargs)
  File "/home/waboring/cinder/.venv/local/lib/python2.7/site-packages/osprofiler/profiler.py", line 105, in wrapper
    return f(*args, **kwargs)
  File "/home/waboring/cinder/.venv/local/lib/python2.7/site-packages/osprofiler/profiler.py", line 105, in wrapper
    return f(*args, **kwargs)
  File "/home/waboring/cinder/.venv/local/lib/python2.7/site-packages/osprofiler/profiler.py", line 105, in wrapper
    return f(*args, **kwargs)
  File "/home/waboring/cinder/.venv/local/lib/python2.7/site-packages/osprofiler/profiler.py", line 105, in wrapper
    return f(*args, **kwargs)
  File "/home/waboring/cinder/.venv/local/lib/python2.7/site-packages/osprofiler/profiler.py", line 105, in wrapper
    return f(*args, **kwargs)
  File "/home/waboring/cinder/.venv/local/lib/python2.7/site-packages/osprofiler/profiler.py", line 105, in wrapper
    return f(*args, **kwargs)
  File "/home/waboring/cinder/.venv/local/lib/python2.7/site-packages/osprofiler/profiler.py", line 105, in wrapper
    return f(*args, **kwargs)
  File "/home/waboring/cinder/.venv/local/lib/python2.7/site-packages/osprofiler/profiler.py", line 105, in wrapper
    return f(*args, **kwargs)
  File "/home/waboring/cinder/.venv/local/lib/python2.7/site-packages/osprofiler/profiler.py", line 105, in wrapper
    return f(*args, **kwargs)
  File "/home/waboring/cinder/.venv/local/lib/python2.7/site-packages/osprofiler/profiler.py", line 105, in wrapper
    return f(*args, **kwargs)
  File "/home/waboring/cinder/.venv/local/lib/python2.7/site-packages/osprofiler/profiler.py", line 105, in wrapper
    return f(*args, **kwargs)
  File "/home/waboring/cinder/cinder/volume/manager.py", line 766, in attach_volume
    return do_attach()
  File "/home/waboring/cinder/cinder/openstack/common/lockutils.py", line 233, in inner
    retval = f(*args, **kwargs)
  File "/home/waboring/cinder/cinder/volume/manager.py", line 690, in do_attach
    raise exception.InvalidVolume(reason=msg)
InvalidVolume: Invalid volume: status must be available or attaching

Traceback (most recent call last):
_StringException: Empty attachments:
  stderr
  stdout

[Boris Pavlovic (boris-42)]

Seems like this line:

https://github.com/openstack/cinder/blob/master/cinder/service.py#L123

We need to find the better way to handle this