40 lines
1.3 KiB
Python
40 lines
1.3 KiB
Python
# Copyright 2013 Hewlett-Packard Development Company, L.P. All Rights Reserved.
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#
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# Author: Kiall Mac Innes <kiall@hp.com>
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import cProfile
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import functools
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import tempfile
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import pstats
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def profile(lines=20, sort='cumtime'):
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def outer(func):
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@functools.wraps(func)
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def inner(*args, **kwargs):
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f = tempfile.NamedTemporaryFile()
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# Profile the function
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prof = cProfile.Profile()
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result = prof.runcall(func, *args, **kwargs)
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prof.dump_stats(f.name)
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# Read the results, and print the stats
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stats = pstats.Stats(f.name)
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stats.sort_stats(sort).print_stats(lines)
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return result
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return inner
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return outer
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